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/*! FullCalendar v5.1.0 Docs & License: https://fullcalendar.io/ (c) 2020 Adam Shaw */..

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<?  /*! 
FullCalendar v5.1.0 
Docs & License: https://fullcalendar.io/ 
(c) 2020 Adam Shaw 
*/ 
var FullCalendar = (function (exports) { 
    'use strict'; 
 
    /*! ***************************************************************************** 
    Copyright (c) Microsoft Corporation. 
 
    Permission to use, copy, modify, and/or distribute this software for any 
    purpose with or without fee is hereby granted. 
 
    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH 
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, 
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR 
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 
    PERFORMANCE OF THIS SOFTWARE. 
    ***************************************************************************** */ 
    /* global Reflect, Promise */ 
 
    var extendStatics = function(d, b) { 
        extendStatics = Object.setPrototypeOf || 
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || 
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; 
        return extendStatics(d, b); 
    }; 
 
    function __extends(d, b) { 
        extendStatics(d, b); 
        function __() { this.constructor = d; } 
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); 
    } 
 
    var __assign = function() { 
        __assign = Object.assign || function __assign(t) { 
            for (var s, i = 1, n = arguments.length; i < n; i++) { 
                s = arguments[i]; 
                for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; 
            } 
            return t; 
        }; 
        return __assign.apply(this, arguments); 
    }; 
 
    function __spreadArrays() { 
        for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length; 
        for (var r = Array(s), k = 0, i = 0; i < il; i++) 
            for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) 
                r[k] = a[j]; 
        return r; 
    } 
 
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s,a,v,h,p,y=u.props,d=l.props;if(t="svg"===l.type||t,null!=r)for(s=0;s<r.length;s++)if(null!=(a=r[s])&&((null===l.type?3===a.nodeType:a.localName===l.type)||n==a)){n=a,r[s]=null;break}if(null==n){if(null===l.type)return document.createTextNode(d);n=t?document.createElementNS("http://www.w3.org/2000/svg",l.type):document.createElement(l.type,d.is&&{is:d.is}),r=null,f=!1;}if(null===l.type)y!==d&&n.data!=d&&(n.data=d);else {if(null!=r&&(r=c.slice.call(n.childNodes)),v=(y=u.props||e).dangerouslySetInnerHTML,h=d.dangerouslySetInnerHTML,!f){if(y===e)for(y={},p=0;p<n.attributes.length;p++)y[n.attributes[p].name]=n.attributes[p].value;(h||v)&&(h&&v&&h.__html==v.__html||(n.innerHTML=h&&h.__html||""));}P(n,d,y,t,f),h?l.__k=[]:(l.__k=l.props.children,b(n,l,u,i,"foreignObject"!==l.type&&t,r,o,e,f)),f||("value"in d&&void 0!==(s=d.value)&&s!==n.value&&N(n,"value",s,y.value,!1),"checked"in d&&void 0!==(s=d.checked)&&s!==n.checked&&N(n,"checked",s,y.checked,!1));}return n}function 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Promise?Promise.prototype.then.bind(Promise.resolve()):setTimeout,o=e,f=0; 
 
    window.FullCalendarVDom = { 
        Component: m, 
        createElement: h, 
        render: H, 
        createRef: y, 
        Fragment: d, 
        createContext: createContext, 
        flushToDom: flushToDom 
    }; 
    // HACKS... 
    // TODO: lock version 
    // TODO: link gh issues 
    function flushToDom() { 
        var oldDebounceRendering = n.debounceRendering; // orig 
        var callbackQ = []; 
        function execCallbackSync(callback) { 
            callbackQ.push(callback); 
        } 
        n.debounceRendering = execCallbackSync; 
        H(h(FakeComponent, {}), document.createElement('div')); 
        while (callbackQ.length) { 
            callbackQ.shift()(); 
        } 
        n.debounceRendering = oldDebounceRendering; 
    } 
    var FakeComponent = /** @class */ (function (_super) { 
        __extends(FakeComponent, _super); 
        function FakeComponent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        FakeComponent.prototype.render = function () { return h('div', {}); }; 
        FakeComponent.prototype.componentDidMount = function () { this.setState({}); }; 
        return FakeComponent; 
    }(m)); 
    function createContext(defaultValue) { 
        var ContextType = M(defaultValue); 
        var origProvider = ContextType.Provider; 
        ContextType.Provider = function () { 
            var _this = this; 
            var isNew = !this.getChildContext; 
            var children = origProvider.apply(this, arguments); 
            if (isNew) { 
                var subs_1 = []; 
                this.shouldComponentUpdate = function (_props) { 
                    if (_this.props.value !== _props.value) { 
                        subs_1.some(function (c) { 
                            c.context = _props.value; 
                            c.forceUpdate(); 
                        }); 
                    } 
                }; 
                this.sub = function (c) { 
                    subs_1.push(c); 
                    var old = c.componentWillUnmount; 
                    c.componentWillUnmount = function () { 
                        subs_1.splice(subs_1.indexOf(c), 1); 
                        old && old.call(c); 
                    }; 
                }; 
            } 
            return children; 
        }; 
        return ContextType; 
    } 
 
    // no public types yet. when there are, export from: 
    // import {} from './api-type-deps' 
    var EventSourceApi = /** @class */ (function () { 
        function EventSourceApi(context, internalEventSource // rename? 
        ) { 
            this.context = context; 
            this.internalEventSource = internalEventSource; 
        } 
        EventSourceApi.prototype.remove = function () { 
            this.context.dispatch({ 
                type: 'REMOVE_EVENT_SOURCE', 
                sourceId: this.internalEventSource.sourceId 
            }); 
        }; 
        EventSourceApi.prototype.refetch = function () { 
            this.context.dispatch({ 
                type: 'FETCH_EVENT_SOURCES', 
                sourceIds: [this.internalEventSource.sourceId] 
            }); 
        }; 
        Object.defineProperty(EventSourceApi.prototype, "id", { 
            get: function () { 
                return this.internalEventSource.publicId; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventSourceApi.prototype, "url", { 
            // only relevant to json-feed event sources 
            get: function () { 
                return this.internalEventSource.meta.url; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        return EventSourceApi; 
    }()); 
 
    // TODO: new util arrayify? 
    function removeExact(array, exactVal) { 
        var removeCnt = 0; 
        var i = 0; 
        while (i < array.length) { 
            if (array[i] === exactVal) { 
                array.splice(i, 1); 
                removeCnt++; 
            } 
            else { 
                i++; 
            } 
        } 
        return removeCnt; 
    } 
    function isArraysEqual(a0, a1, equalityFunc) { 
        if (a0 === a1) { 
            return true; 
        } 
        var len = a0.length; 
        var i; 
        if (len !== a1.length) { // not array? or not same length? 
            return false; 
        } 
        for (i = 0; i < len; i++) { 
            if (!(equalityFunc ? equalityFunc(a0[i], a1[i]) : a0[i] === a1[i])) { 
                return false; 
            } 
        } 
        return true; 
    } 
 
    function htmlToElement(html) { 
        html = html.trim(); 
        var container = document.createElement('div'); 
        container.innerHTML = html; 
        return container.firstChild; 
    } 
    function removeElement(el) { 
        if (el.parentNode) { 
            el.parentNode.removeChild(el); 
        } 
    } 
    function injectHtml(el, html) { 
        el.innerHTML = html; 
    } 
    function injectDomNodes(el, domNodes) { 
        var oldNodes = Array.prototype.slice.call(el.childNodes); // TODO: use array util 
        var newNodes = Array.prototype.slice.call(domNodes); // TODO: use array util 
        if (!isArraysEqual(oldNodes, newNodes)) { 
            for (var _i = 0, newNodes_1 = newNodes; _i < newNodes_1.length; _i++) { 
                var newNode = newNodes_1[_i]; 
                el.appendChild(newNode); 
            } 
            oldNodes.forEach(removeElement); 
        } 
    } 
    // Querying 
    // ---------------------------------------------------------------------------------------------------------------- 
    // from https://developer.mozilla.org/en-US/docs/Web/API/Element/closest 
    var matchesMethod = Element.prototype.matches || 
        Element.prototype.matchesSelector || 
        Element.prototype.msMatchesSelector; 
    var closestMethod = Element.prototype.closest || function (selector) { 
        // polyfill 
        var el = this; 
        if (!document.documentElement.contains(el)) { 
            return null; 
        } 
        do { 
            if (elementMatches(el, selector)) { 
                return el; 
            } 
            el = el.parentElement || el.parentNode; 
        } while (el !== null && el.nodeType === 1); 
        return null; 
    }; 
    function elementClosest(el, selector) { 
        return closestMethod.call(el, selector); 
    } 
    function elementMatches(el, selector) { 
        return matchesMethod.call(el, selector); 
    } 
    // accepts multiple subject els 
    // returns a real array. good for methods like forEach 
    // TODO: accept the document 
    function findElements(container, selector) { 
        var containers = container instanceof HTMLElement ? [container] : container; 
        var allMatches = []; 
        for (var i = 0; i < containers.length; i++) { 
            var matches = containers[i].querySelectorAll(selector); 
            for (var j = 0; j < matches.length; j++) { 
                allMatches.push(matches[j]); 
            } 
        } 
        return allMatches; 
    } 
    // accepts multiple subject els 
    // only queries direct child elements // TODO: rename to findDirectChildren! 
    function findDirectChildren(parent, selector) { 
        var parents = parent instanceof HTMLElement ? [parent] : parent; 
        var allMatches = []; 
        for (var i = 0; i < parents.length; i++) { 
            var childNodes = parents[i].children; // only ever elements 
            for (var j = 0; j < childNodes.length; j++) { 
                var childNode = childNodes[j]; 
                if (!selector || elementMatches(childNode, selector)) { 
                    allMatches.push(childNode); 
                } 
            } 
        } 
        return allMatches; 
    } 
    // Style 
    // ---------------------------------------------------------------------------------------------------------------- 
    var PIXEL_PROP_RE = /(top|left|right|bottom|width|height)$/i; 
    function applyStyle(el, props) { 
        for (var propName in props) { 
            applyStyleProp(el, propName, props[propName]); 
        } 
    } 
    function applyStyleProp(el, name, val) { 
        if (val == null) { 
            el.style[name] = ''; 
        } 
        else if (typeof val === 'number' && PIXEL_PROP_RE.test(name)) { 
            el.style[name] = val + 'px'; 
        } 
        else { 
            el.style[name] = val; 
        } 
    } 
 
    // Stops a mouse/touch event from doing it's native browser action 
    function preventDefault(ev) { 
        ev.preventDefault(); 
    } 
    // Event Delegation 
    // ---------------------------------------------------------------------------------------------------------------- 
    function buildDelegationHandler(selector, handler) { 
        return function (ev) { 
            var matchedChild = elementClosest(ev.target, selector); 
            if (matchedChild) { 
                handler.call(matchedChild, ev, matchedChild); 
            } 
        }; 
    } 
    function listenBySelector(container, eventType, selector, handler) { 
        var attachedHandler = buildDelegationHandler(selector, handler); 
        container.addEventListener(eventType, attachedHandler); 
        return function () { 
            container.removeEventListener(eventType, attachedHandler); 
        }; 
    } 
    function listenToHoverBySelector(container, selector, onMouseEnter, onMouseLeave) { 
        var currentMatchedChild; 
        return listenBySelector(container, 'mouseover', selector, function (ev, matchedChild) { 
            if (matchedChild !== currentMatchedChild) { 
                currentMatchedChild = matchedChild; 
                onMouseEnter(ev, matchedChild); 
                var realOnMouseLeave_1 = function (ev) { 
                    currentMatchedChild = null; 
                    onMouseLeave(ev, matchedChild); 
                    matchedChild.removeEventListener('mouseleave', realOnMouseLeave_1); 
                }; 
                // listen to the next mouseleave, and then unattach 
                matchedChild.addEventListener('mouseleave', realOnMouseLeave_1); 
            } 
        }); 
    } 
    // Animation 
    // ---------------------------------------------------------------------------------------------------------------- 
    var transitionEventNames = [ 
        'webkitTransitionEnd', 
        'otransitionend', 
        'oTransitionEnd', 
        'msTransitionEnd', 
        'transitionend' 
    ]; 
    // triggered only when the next single subsequent transition finishes 
    function whenTransitionDone(el, callback) { 
        var realCallback = function (ev) { 
            callback(ev); 
            transitionEventNames.forEach(function (eventName) { 
                el.removeEventListener(eventName, realCallback); 
            }); 
        }; 
        transitionEventNames.forEach(function (eventName) { 
            el.addEventListener(eventName, realCallback); // cross-browser way to determine when the transition finishes 
        }); 
    } 
 
    var guidNumber = 0; 
    function guid() { 
        return String(guidNumber++); 
    } 
    /* FullCalendar-specific DOM Utilities 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    // Make the mouse cursor express that an event is not allowed in the current area 
    function disableCursor() { 
        document.body.classList.add('fc-not-allowed'); 
    } 
    // Returns the mouse cursor to its original look 
    function enableCursor() { 
        document.body.classList.remove('fc-not-allowed'); 
    } 
    /* Selection 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function preventSelection(el) { 
        el.classList.add('fc-unselectable'); 
        el.addEventListener('selectstart', preventDefault); 
    } 
    function allowSelection(el) { 
        el.classList.remove('fc-unselectable'); 
        el.removeEventListener('selectstart', preventDefault); 
    } 
    /* Context Menu 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function preventContextMenu(el) { 
        el.addEventListener('contextmenu', preventDefault); 
    } 
    function allowContextMenu(el) { 
        el.removeEventListener('contextmenu', preventDefault); 
    } 
    function parseFieldSpecs(input) { 
        var specs = []; 
        var tokens = []; 
        var i; 
        var token; 
        if (typeof input === 'string') { 
            tokens = input.split(/\s*,\s*/); 
        } 
        else if (typeof input === 'function') { 
            tokens = [input]; 
        } 
        else if (Array.isArray(input)) { 
            tokens = input; 
        } 
        for (i = 0; i < tokens.length; i++) { 
            token = tokens[i]; 
            if (typeof token === 'string') { 
                specs.push(token.charAt(0) === '-' ? 
                    { field: token.substring(1), order: -1 } : 
                    { field: token, order: 1 }); 
            } 
            else if (typeof token === 'function') { 
                specs.push({ func: token }); 
            } 
        } 
        return specs; 
    } 
    function compareByFieldSpecs(obj0, obj1, fieldSpecs) { 
        var i; 
        var cmp; 
        for (i = 0; i < fieldSpecs.length; i++) { 
            cmp = compareByFieldSpec(obj0, obj1, fieldSpecs[i]); 
            if (cmp) { 
                return cmp; 
            } 
        } 
        return 0; 
    } 
    function compareByFieldSpec(obj0, obj1, fieldSpec) { 
        if (fieldSpec.func) { 
            return fieldSpec.func(obj0, obj1); 
        } 
        return flexibleCompare(obj0[fieldSpec.field], obj1[fieldSpec.field]) 
            * (fieldSpec.order || 1); 
    } 
    function flexibleCompare(a, b) { 
        if (!a && !b) { 
            return 0; 
        } 
        if (b == null) { 
            return -1; 
        } 
        if (a == null) { 
            return 1; 
        } 
        if (typeof a === 'string' || typeof b === 'string') { 
            return String(a).localeCompare(String(b)); 
        } 
        return a - b; 
    } 
    /* String Utilities 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function padStart(val, len) { 
        var s = String(val); 
        return '000'.substr(0, len - s.length) + s; 
    } 
    /* Number Utilities 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function compareNumbers(a, b) { 
        return a - b; 
    } 
    function isInt(n) { 
        return n % 1 === 0; 
    } 
    /* FC-specific DOM dimension stuff 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function computeSmallestCellWidth(cellEl) { 
        var allWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-frame'); 
        var contentWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-cushion'); 
        if (!allWidthEl) { 
            throw new Error('needs fc-scrollgrid-shrink-frame className'); // TODO: use const 
        } 
        if (!contentWidthEl) { 
            throw new Error('needs fc-scrollgrid-shrink-cushion className'); 
        } 
        return cellEl.getBoundingClientRect().width - allWidthEl.getBoundingClientRect().width + // the cell padding+border 
            contentWidthEl.getBoundingClientRect().width; 
    } 
 
    var DAY_IDS = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat']; 
    // Adding 
    function addWeeks(m, n) { 
        var a = dateToUtcArray(m); 
        a[2] += n * 7; 
        return arrayToUtcDate(a); 
    } 
    function addDays(m, n) { 
        var a = dateToUtcArray(m); 
        a[2] += n; 
        return arrayToUtcDate(a); 
    } 
    function addMs(m, n) { 
        var a = dateToUtcArray(m); 
        a[6] += n; 
        return arrayToUtcDate(a); 
    } 
    // Diffing (all return floats) 
    // TODO: why not use ranges? 
    function diffWeeks(m0, m1) { 
        return diffDays(m0, m1) / 7; 
    } 
    function diffDays(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60 * 24); 
    } 
    function diffHours(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60); 
    } 
    function diffMinutes(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / (1000 * 60); 
    } 
    function diffSeconds(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / 1000; 
    } 
    function diffDayAndTime(m0, m1) { 
        var m0day = startOfDay(m0); 
        var m1day = startOfDay(m1); 
        return { 
            years: 0, 
            months: 0, 
            days: Math.round(diffDays(m0day, m1day)), 
            milliseconds: (m1.valueOf() - m1day.valueOf()) - (m0.valueOf() - m0day.valueOf()) 
        }; 
    } 
    // Diffing Whole Units 
    function diffWholeWeeks(m0, m1) { 
        var d = diffWholeDays(m0, m1); 
        if (d !== null && d % 7 === 0) { 
            return d / 7; 
        } 
        return null; 
    } 
    function diffWholeDays(m0, m1) { 
        if (timeAsMs(m0) === timeAsMs(m1)) { 
            return Math.round(diffDays(m0, m1)); 
        } 
        return null; 
    } 
    // Start-Of 
    function startOfDay(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate() 
        ]); 
    } 
    function startOfHour(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate(), 
            m.getUTCHours() 
        ]); 
    } 
    function startOfMinute(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate(), 
            m.getUTCHours(), 
            m.getUTCMinutes() 
        ]); 
    } 
    function startOfSecond(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate(), 
            m.getUTCHours(), 
            m.getUTCMinutes(), 
            m.getUTCSeconds() 
        ]); 
    } 
    // Week Computation 
    function weekOfYear(marker, dow, doy) { 
        var y = marker.getUTCFullYear(); 
        var w = weekOfGivenYear(marker, y, dow, doy); 
        if (w < 1) { 
            return weekOfGivenYear(marker, y - 1, dow, doy); 
        } 
        var nextW = weekOfGivenYear(marker, y + 1, dow, doy); 
        if (nextW >= 1) { 
            return Math.min(w, nextW); 
        } 
        return w; 
    } 
    function weekOfGivenYear(marker, year, dow, doy) { 
        var firstWeekStart = arrayToUtcDate([year, 0, 1 + firstWeekOffset(year, dow, doy)]); 
        var dayStart = startOfDay(marker); 
        var days = Math.round(diffDays(firstWeekStart, dayStart)); 
        return Math.floor(days / 7) + 1; // zero-indexed 
    } 
    // start-of-first-week - start-of-year 
    function firstWeekOffset(year, dow, doy) { 
        // first-week day -- which january is always in the first week (4 for iso, 1 for other) 
        var fwd = 7 + dow - doy; 
        // first-week day local weekday -- which local weekday is fwd 
        var fwdlw = (7 + arrayToUtcDate([year, 0, fwd]).getUTCDay() - dow) % 7; 
        return -fwdlw + fwd - 1; 
    } 
    // Array Conversion 
    function dateToLocalArray(date) { 
        return [ 
            date.getFullYear(), 
            date.getMonth(), 
            date.getDate(), 
            date.getHours(), 
            date.getMinutes(), 
            date.getSeconds(), 
            date.getMilliseconds() 
        ]; 
    } 
    function arrayToLocalDate(a) { 
        return new Date(a[0], a[1] || 0, a[2] == null ? 1 : a[2], // day of month 
        a[3] || 0, a[4] || 0, a[5] || 0); 
    } 
    function dateToUtcArray(date) { 
        return [ 
            date.getUTCFullYear(), 
            date.getUTCMonth(), 
            date.getUTCDate(), 
            date.getUTCHours(), 
            date.getUTCMinutes(), 
            date.getUTCSeconds(), 
            date.getUTCMilliseconds() 
        ]; 
    } 
    function arrayToUtcDate(a) { 
        // according to web standards (and Safari), a month index is required. 
        // massage if only given a year. 
        if (a.length === 1) { 
            a = a.concat([0]); 
        } 
        return new Date(Date.UTC.apply(Date, a)); 
    } 
    // Other Utils 
    function isValidDate(m) { 
        return !isNaN(m.valueOf()); 
    } 
    function timeAsMs(m) { 
        return m.getUTCHours() * 1000 * 60 * 60 + 
            m.getUTCMinutes() * 1000 * 60 + 
            m.getUTCSeconds() * 1000 + 
            m.getUTCMilliseconds(); 
    } 
 
    function createEventInstance(defId, range, forcedStartTzo, forcedEndTzo) { 
        return { 
            instanceId: guid(), 
            defId: defId, 
            range: range, 
            forcedStartTzo: forcedStartTzo == null ? null : forcedStartTzo, 
            forcedEndTzo: forcedEndTzo == null ? null : forcedEndTzo 
        }; 
    } 
 
    var hasOwnProperty = Object.prototype.hasOwnProperty; 
    // Merges an array of objects into a single object. 
    // The second argument allows for an array of property names who's object values will be merged together. 
    function mergeProps(propObjs, complexPropsMap) { 
        var dest = {}; 
        if (complexPropsMap) { 
            for (var name_1 in complexPropsMap) { 
                var complexObjs = []; 
                // collect the trailing object values, stopping when a non-object is discovered 
                for (var i = propObjs.length - 1; i >= 0; i--) { 
                    var val = propObjs[i][name_1]; 
                    if (typeof val === 'object' && val) { // non-null object 
                        complexObjs.unshift(val); 
                    } 
                    else if (val !== undefined) { 
                        dest[name_1] = val; // if there were no objects, this value will be used 
                        break; 
                    } 
                } 
                // if the trailing values were objects, use the merged value 
                if (complexObjs.length) { 
                    dest[name_1] = mergeProps(complexObjs); 
                } 
            } 
        } 
        // copy values into the destination, going from last to first 
        for (var i = propObjs.length - 1; i >= 0; i--) { 
            var props = propObjs[i]; 
            for (var name_2 in props) { 
                if (!(name_2 in dest)) { // if already assigned by previous props or complex props, don't reassign 
                    dest[name_2] = props[name_2]; 
                } 
            } 
        } 
        return dest; 
    } 
    function filterHash(hash, func) { 
        var filtered = {}; 
        for (var key in hash) { 
            if (func(hash[key], key)) { 
                filtered[key] = hash[key]; 
            } 
        } 
        return filtered; 
    } 
    function mapHash(hash, func) { 
        var newHash = {}; 
        for (var key in hash) { 
            newHash[key] = func(hash[key], key); 
        } 
        return newHash; 
    } 
    function arrayToHash(a) { 
        var hash = {}; 
        for (var _i = 0, a_1 = a; _i < a_1.length; _i++) { 
            var item = a_1[_i]; 
            hash[item] = true; 
        } 
        return hash; 
    } 
    function buildHashFromArray(a, func) { 
        var hash = {}; 
        for (var i = 0; i < a.length; i++) { 
            var tuple = func(a[i], i); 
            hash[tuple[0]] = tuple[1]; 
        } 
        return hash; 
    } 
    function hashValuesToArray(obj) { 
        var a = []; 
        for (var key in obj) { 
            a.push(obj[key]); 
        } 
        return a; 
    } 
    function isPropsEqual(obj0, obj1) { 
        if (obj0 === obj1) { 
            return true; 
        } 
        for (var key in obj0) { 
            if (hasOwnProperty.call(obj0, key)) { 
                if (!(key in obj1)) { 
                    return false; 
                } 
            } 
        } 
        for (var key in obj1) { 
            if (hasOwnProperty.call(obj1, key)) { 
                if (obj0[key] !== obj1[key]) { 
                    return false; 
                } 
            } 
        } 
        return true; 
    } 
    function getUnequalProps(obj0, obj1) { 
        var keys = []; 
        for (var key in obj0) { 
            if (hasOwnProperty.call(obj0, key)) { 
                if (!(key in obj1)) { 
                    keys.push(key); 
                } 
            } 
        } 
        for (var key in obj1) { 
            if (hasOwnProperty.call(obj1, key)) { 
                if (obj0[key] !== obj1[key]) { 
                    keys.push(key); 
                } 
            } 
        } 
        return keys; 
    } 
    function compareObjs(oldProps, newProps, equalityFuncs) { 
        if (equalityFuncs === void 0) { equalityFuncs = {}; } 
        if (oldProps === newProps) { 
            return true; 
        } 
        for (var key in newProps) { 
            if (key in oldProps && isObjValsEqual(oldProps[key], newProps[key], equalityFuncs[key])) ; 
            else { 
                return false; 
            } 
        } 
        // check for props that were omitted in the new 
        for (var key in oldProps) { 
            if (!(key in newProps)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    /* 
    assumed "true" equality for handler names like "onReceiveSomething" 
    */ 
    function isObjValsEqual(val0, val1, comparator) { 
        if (val0 === val1 || comparator === true) { 
            return true; 
        } 
        if (comparator) { 
            return comparator(val0, val1); 
        } 
        return false; 
    } 
    function collectFromHash(hash, startIndex, endIndex, step) { 
        if (startIndex === void 0) { startIndex = 0; } 
        if (step === void 0) { step = 1; } 
        var res = []; 
        if (endIndex == null) { 
            endIndex = Object.keys(hash).length; 
        } 
        for (var i = startIndex; i < endIndex; i += step) { 
            var val = hash[i]; 
            if (val !== undefined) { // will disregard undefined for sparse arrays 
                res.push(val); 
            } 
        } 
        return res; 
    } 
 
    function parseRecurring(refined, defaultAllDay, dateEnv, recurringTypes) { 
        for (var i = 0; i < recurringTypes.length; i++) { 
            var parsed = recurringTypes[i].parse(refined, dateEnv); 
            if (parsed) { 
                var allDay = refined.allDay; 
                if (allDay == null) { 
                    allDay = defaultAllDay; 
                    if (allDay == null) { 
                        allDay = parsed.allDayGuess; 
                        if (allDay == null) { 
                            allDay = false; 
                        } 
                    } 
                } 
                return { 
                    allDay: allDay, 
                    duration: parsed.duration, 
                    typeData: parsed.typeData, 
                    typeId: i 
                }; 
            } 
        } 
        return null; 
    } 
    function expandRecurring(eventStore, framingRange, context) { 
        var dateEnv = context.dateEnv, pluginHooks = context.pluginHooks, options = context.options; 
        var defs = eventStore.defs, instances = eventStore.instances; 
        // remove existing recurring instances 
        // TODO: bad. always expand events as a second step 
        instances = filterHash(instances, function (instance) { 
            return !defs[instance.defId].recurringDef; 
        }); 
        for (var defId in defs) { 
            var def = defs[defId]; 
            if (def.recurringDef) { 
                var duration = def.recurringDef.duration; 
                if (!duration) { 
                    duration = def.allDay ? 
                        options.defaultAllDayEventDuration : 
                        options.defaultTimedEventDuration; 
                } 
                var starts = expandRecurringRanges(def, duration, framingRange, dateEnv, pluginHooks.recurringTypes); 
                for (var _i = 0, starts_1 = starts; _i < starts_1.length; _i++) { 
                    var start = starts_1[_i]; 
                    var instance = createEventInstance(defId, { 
                        start: start, 
                        end: dateEnv.add(start, duration) 
                    }); 
                    instances[instance.instanceId] = instance; 
                } 
            } 
        } 
        return { defs: defs, instances: instances }; 
    } 
    /* 
    Event MUST have a recurringDef 
    */ 
    function expandRecurringRanges(eventDef, duration, framingRange, dateEnv, recurringTypes) { 
        var typeDef = recurringTypes[eventDef.recurringDef.typeId]; 
        var markers = typeDef.expand(eventDef.recurringDef.typeData, { 
            start: dateEnv.subtract(framingRange.start, duration), 
            end: framingRange.end 
        }, dateEnv); 
        // the recurrence plugins don't guarantee that all-day events are start-of-day, so we have to 
        if (eventDef.allDay) { 
            markers = markers.map(startOfDay); 
        } 
        return markers; 
    } 
 
    var INTERNAL_UNITS = ['years', 'months', 'days', 'milliseconds']; 
    var PARSE_RE = /^(-?)(?:(\d+)\.)?(\d+):(\d\d)(?::(\d\d)(?:\.(\d\d\d))?)?/; 
    // Parsing and Creation 
    function createDuration(input, unit) { 
        var _a; 
        if (typeof input === 'string') { 
            return parseString(input); 
        } 
        else if (typeof input === 'object' && input) { // non-null object 
            return parseObject(input); 
        } 
        else if (typeof input === 'number') { 
            return parseObject((_a = {}, _a[unit || 'milliseconds'] = input, _a)); 
        } 
        else { 
            return null; 
        } 
    } 
    function parseString(s) { 
        var m = PARSE_RE.exec(s); 
        if (m) { 
            var sign = m[1] ? -1 : 1; 
            return { 
                years: 0, 
                months: 0, 
                days: sign * (m[2] ? parseInt(m[2], 10) : 0), 
                milliseconds: sign * ((m[3] ? parseInt(m[3], 10) : 0) * 60 * 60 * 1000 + // hours 
                    (m[4] ? parseInt(m[4], 10) : 0) * 60 * 1000 + // minutes 
                    (m[5] ? parseInt(m[5], 10) : 0) * 1000 + // seconds 
                    (m[6] ? parseInt(m[6], 10) : 0) // ms 
                ) 
            }; 
        } 
        return null; 
    } 
    function parseObject(obj) { 
        var duration = { 
            years: obj.years || obj.year || 0, 
            months: obj.months || obj.month || 0, 
            days: obj.days || obj.day || 0, 
            milliseconds: (obj.hours || obj.hour || 0) * 60 * 60 * 1000 + // hours 
                (obj.minutes || obj.minute || 0) * 60 * 1000 + // minutes 
                (obj.seconds || obj.second || 0) * 1000 + // seconds 
                (obj.milliseconds || obj.millisecond || obj.ms || 0) // ms 
        }; 
        var weeks = obj.weeks || obj.week; 
        if (weeks) { 
            duration.days += weeks * 7; 
            duration.specifiedWeeks = true; 
        } 
        return duration; 
    } 
    // Equality 
    function durationsEqual(d0, d1) { 
        return d0.years === d1.years && 
            d0.months === d1.months && 
            d0.days === d1.days && 
            d0.milliseconds === d1.milliseconds; 
    } 
    function isSingleDay(dur) { 
        return dur.years === 0 && dur.months === 0 && dur.days === 1 && dur.milliseconds === 0; 
    } 
    // Simple Math 
    function addDurations(d0, d1) { 
        return { 
            years: d0.years + d1.years, 
            months: d0.months + d1.months, 
            days: d0.days + d1.days, 
            milliseconds: d0.milliseconds + d1.milliseconds 
        }; 
    } 
    function subtractDurations(d1, d0) { 
        return { 
            years: d1.years - d0.years, 
            months: d1.months - d0.months, 
            days: d1.days - d0.days, 
            milliseconds: d1.milliseconds - d0.milliseconds 
        }; 
    } 
    function multiplyDuration(d, n) { 
        return { 
            years: d.years * n, 
            months: d.months * n, 
            days: d.days * n, 
            milliseconds: d.milliseconds * n 
        }; 
    } 
    // Conversions 
    // "Rough" because they are based on average-case Gregorian months/years 
    function asRoughYears(dur) { 
        return asRoughDays(dur) / 365; 
    } 
    function asRoughMonths(dur) { 
        return asRoughDays(dur) / 30; 
    } 
    function asRoughDays(dur) { 
        return asRoughMs(dur) / 864e5; 
    } 
    function asRoughMinutes(dur) { 
        return asRoughMs(dur) / (1000 * 60); 
    } 
    function asRoughSeconds(dur) { 
        return asRoughMs(dur) / 1000; 
    } 
    function asRoughMs(dur) { 
        return dur.years * (365 * 864e5) + 
            dur.months * (30 * 864e5) + 
            dur.days * 864e5 + 
            dur.milliseconds; 
    } 
    // Advanced Math 
    function wholeDivideDurations(numerator, denominator) { 
        var res = null; 
        for (var i = 0; i < INTERNAL_UNITS.length; i++) { 
            var unit = INTERNAL_UNITS[i]; 
            if (denominator[unit]) { 
                var localRes = numerator[unit] / denominator[unit]; 
                if (!isInt(localRes) || (res !== null && res !== localRes)) { 
                    return null; 
                } 
                res = localRes; 
            } 
            else if (numerator[unit]) { 
                // needs to divide by something but can't! 
                return null; 
            } 
        } 
        return res; 
    } 
    function greatestDurationDenominator(dur) { 
        var ms = dur.milliseconds; 
        if (ms) { 
            if (ms % 1000 !== 0) { 
                return { unit: 'millisecond', value: ms }; 
            } 
            if (ms % (1000 * 60) !== 0) { 
                return { unit: 'second', value: ms / 1000 }; 
            } 
            if (ms % (1000 * 60 * 60) !== 0) { 
                return { unit: 'minute', value: ms / (1000 * 60) }; 
            } 
            if (ms) { 
                return { unit: 'hour', value: ms / (1000 * 60 * 60) }; 
            } 
        } 
        if (dur.days) { 
            if (dur.specifiedWeeks && dur.days % 7 === 0) { 
                return { unit: 'week', value: dur.days / 7 }; 
            } 
            return { unit: 'day', value: dur.days }; 
        } 
        if (dur.months) { 
            return { unit: 'month', value: dur.months }; 
        } 
        if (dur.years) { 
            return { unit: 'year', value: dur.years }; 
        } 
        return { unit: 'millisecond', value: 0 }; 
    } 
 
    // timeZoneOffset is in minutes 
    function buildIsoString(marker, timeZoneOffset, stripZeroTime) { 
        if (stripZeroTime === void 0) { stripZeroTime = false; } 
        var s = marker.toISOString(); 
        s = s.replace('.000', ''); 
        if (stripZeroTime) { 
            s = s.replace('T00:00:00Z', ''); 
        } 
        if (s.length > 10) { // time part wasn't stripped, can add timezone info 
            if (timeZoneOffset == null) { 
                s = s.replace('Z', ''); 
            } 
            else if (timeZoneOffset !== 0) { 
                s = s.replace('Z', formatTimeZoneOffset(timeZoneOffset, true)); 
            } 
            // otherwise, its UTC-0 and we want to keep the Z 
        } 
        return s; 
    } 
    // formats the date, but with no time part 
    // TODO: somehow merge with buildIsoString and stripZeroTime 
    // TODO: rename. omit "string" 
    function formatDayString(marker) { 
        return marker.toISOString().replace(/T.*$/, ''); 
    } 
    // TODO: use Date::toISOString and use everything after the T? 
    function formatIsoTimeString(marker) { 
        return padStart(marker.getUTCHours(), 2) + ':' + 
            padStart(marker.getUTCMinutes(), 2) + ':' + 
            padStart(marker.getUTCSeconds(), 2); 
    } 
    function formatTimeZoneOffset(minutes, doIso) { 
        if (doIso === void 0) { doIso = false; } 
        var sign = minutes < 0 ? '-' : '+'; 
        var abs = Math.abs(minutes); 
        var hours = Math.floor(abs / 60); 
        var mins = Math.round(abs % 60); 
        if (doIso) { 
            return sign + padStart(hours, 2) + ':' + padStart(mins, 2); 
        } 
        else { 
            return 'GMT' + sign + hours + (mins ? ':' + padStart(mins, 2) : ''); 
        } 
    } 
 
    function memoize(workerFunc, resEquality, teardownFunc) { 
        var currentArgs; 
        var currentRes; 
        return function () { 
            var newArgs = []; 
            for (var _i = 0; _i < arguments.length; _i++) { 
                newArgs[_i] = arguments[_i]; 
            } 
            if (!currentArgs) { 
                currentRes = workerFunc.apply(this, newArgs); 
            } 
            else if (!isArraysEqual(currentArgs, newArgs)) { 
                if (teardownFunc) { 
                    teardownFunc(currentRes); 
                } 
                var res = workerFunc.apply(this, newArgs); 
                if (!resEquality || !resEquality(res, currentRes)) { 
                    currentRes = res; 
                } 
            } 
            currentArgs = newArgs; 
            return currentRes; 
        }; 
    } 
    function memoizeObjArg(workerFunc, resEquality, teardownFunc) { 
        var currentArg; 
        var currentRes; 
        return function (newArg) { 
            if (!currentArg) { 
                currentRes = workerFunc.call(this, newArg); 
            } 
            else if (!isPropsEqual(currentArg, newArg)) { 
                if (teardownFunc) { 
                    teardownFunc(currentRes); 
                } 
                var res = workerFunc.call(this, newArg); 
                if (!resEquality || !resEquality(res, currentRes)) { 
                    currentRes = res; 
                } 
            } 
            currentArg = newArg; 
            return currentRes; 
        }; 
    } 
    function memoizeArraylike(// used at all? 
    workerFunc, resEquality, teardownFunc) { 
        var currentArgSets = []; 
        var currentResults = []; 
        return function (newArgSets) { 
            var currentLen = currentArgSets.length; 
            var newLen = newArgSets.length; 
            var i = 0; 
            for (; i < currentLen; i++) { 
                if (!newArgSets[i]) { // one of the old sets no longer exists 
                    if (teardownFunc) { 
                        teardownFunc(currentResults[i]); 
                    } 
                } 
                else if (!isArraysEqual(currentArgSets[i], newArgSets[i])) { 
                    if (teardownFunc) { 
                        teardownFunc(currentResults[i]); 
                    } 
                    var res = workerFunc.apply(this, newArgSets[i]); 
                    if (!resEquality || !resEquality(res, currentResults[i])) { 
                        currentResults[i] = res; 
                    } 
                } 
            } 
            for (; i < newLen; i++) { 
                currentResults[i] = workerFunc.apply(this, newArgSets[i]); 
            } 
            currentArgSets = newArgSets; 
            currentResults.splice(newLen); // remove excess 
            return currentResults; 
        }; 
    } 
    function memoizeHashlike(// used? 
    workerFunc, resEquality, teardownFunc // TODO: change arg order 
    ) { 
        var currentArgHash = {}; 
        var currentResHash = {}; 
        return function (newArgHash) { 
            var newResHash = {}; 
            for (var key in newArgHash) { 
                if (!currentResHash[key]) { 
                    newResHash[key] = workerFunc.apply(this, newArgHash[key]); 
                } 
                else if (!isArraysEqual(currentArgHash[key], newArgHash[key])) { 
                    if (teardownFunc) { 
                        teardownFunc(currentResHash[key]); 
                    } 
                    var res = workerFunc.apply(this, newArgHash[key]); 
                    newResHash[key] = (resEquality && resEquality(res, currentResHash[key])) 
                        ? currentResHash[key] 
                        : res; 
                } 
                else { 
                    newResHash[key] = currentResHash[key]; 
                } 
            } 
            currentArgHash = newArgHash; 
            currentResHash = newResHash; 
            return newResHash; 
        }; 
    } 
 
    var EXTENDED_SETTINGS_AND_SEVERITIES = { 
        week: 3, 
        separator: 0, 
        omitZeroMinute: 0, 
        meridiem: 0, 
        omitCommas: 0 
    }; 
    var STANDARD_DATE_PROP_SEVERITIES = { 
        timeZoneName: 7, 
        era: 6, 
        year: 5, 
        month: 4, 
        day: 2, 
        weekday: 2, 
        hour: 1, 
        minute: 1, 
        second: 1 
    }; 
    var MERIDIEM_RE = /\s*([ap])\.?m\.?/i; // eats up leading spaces too 
    var COMMA_RE = /,/g; // we need re for globalness 
    var MULTI_SPACE_RE = /\s+/g; 
    var LTR_RE = //g; // control character 
    var UTC_RE = /UTC|GMT/; 
    var NativeFormatter = /** @class */ (function () { 
        function NativeFormatter(formatSettings) { 
            var standardDateProps = {}; 
            var extendedSettings = {}; 
            var severity = 0; 
            for (var name_1 in formatSettings) { 
                if (name_1 in EXTENDED_SETTINGS_AND_SEVERITIES) { 
                    extendedSettings[name_1] = formatSettings[name_1]; 
                    severity = Math.max(EXTENDED_SETTINGS_AND_SEVERITIES[name_1], severity); 
                } 
                else { 
                    standardDateProps[name_1] = formatSettings[name_1]; 
                    if (name_1 in STANDARD_DATE_PROP_SEVERITIES) { // TODO: what about hour12? no severity 
                        severity = Math.max(STANDARD_DATE_PROP_SEVERITIES[name_1], severity); 
                    } 
                } 
            } 
            this.standardDateProps = standardDateProps; 
            this.extendedSettings = extendedSettings; 
            this.severity = severity; 
            this.buildFormattingFunc = memoize(buildFormattingFunc); 
        } 
        NativeFormatter.prototype.format = function (date, context) { 
            return this.buildFormattingFunc(this.standardDateProps, this.extendedSettings, context)(date); 
        }; 
        NativeFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) { 
            var _a = this, standardDateProps = _a.standardDateProps, extendedSettings = _a.extendedSettings; 
            var diffSeverity = computeMarkerDiffSeverity(start.marker, end.marker, context.calendarSystem); 
            if (!diffSeverity) { 
                return this.format(start, context); 
            } 
            var biggestUnitForPartial = diffSeverity; 
            if (biggestUnitForPartial > 1 && // the two dates are different in a way that's larger scale than time 
                (standardDateProps.year === 'numeric' || standardDateProps.year === '2-digit') && 
                (standardDateProps.month === 'numeric' || standardDateProps.month === '2-digit') && 
                (standardDateProps.day === 'numeric' || standardDateProps.day === '2-digit')) { 
                biggestUnitForPartial = 1; // make it look like the dates are only different in terms of time 
            } 
            var full0 = this.format(start, context); 
            var full1 = this.format(end, context); 
            if (full0 === full1) { 
                return full0; 
            } 
            var partialDateProps = computePartialFormattingOptions(standardDateProps, biggestUnitForPartial); 
            var partialFormattingFunc = buildFormattingFunc(partialDateProps, extendedSettings, context); 
            var partial0 = partialFormattingFunc(start); 
            var partial1 = partialFormattingFunc(end); 
            var insertion = findCommonInsertion(full0, partial0, full1, partial1); 
            var separator = extendedSettings.separator || betterDefaultSeparator || context.defaultSeparator || ''; 
            if (insertion) { 
                return insertion.before + partial0 + separator + partial1 + insertion.after; 
            } 
            return full0 + separator + full1; 
        }; 
        NativeFormatter.prototype.getLargestUnit = function () { 
            switch (this.severity) { 
                case 7: 
                case 6: 
                case 5: 
                    return 'year'; 
                case 4: 
                    return 'month'; 
                case 3: 
                    return 'week'; 
                case 2: 
                    return 'day'; 
                default: 
                    return 'time'; // really? 
            } 
        }; 
        return NativeFormatter; 
    }()); 
    function buildFormattingFunc(standardDateProps, extendedSettings, context) { 
        var standardDatePropCnt = Object.keys(standardDateProps).length; 
        if (standardDatePropCnt === 1 && standardDateProps.timeZoneName === 'short') { 
            return function (date) { 
                return formatTimeZoneOffset(date.timeZoneOffset); 
            }; 
        } 
        if (standardDatePropCnt === 0 && extendedSettings.week) { 
            return function (date) { 
                return formatWeekNumber(context.computeWeekNumber(date.marker), context.weekText, context.locale, extendedSettings.week); 
            }; 
        } 
        return buildNativeFormattingFunc(standardDateProps, extendedSettings, context); 
    } 
    function buildNativeFormattingFunc(standardDateProps, extendedSettings, context) { 
        standardDateProps = __assign({}, standardDateProps); // copy 
        extendedSettings = __assign({}, extendedSettings); // copy 
        sanitizeSettings(standardDateProps, extendedSettings); 
        standardDateProps.timeZone = 'UTC'; // we leverage the only guaranteed timeZone for our UTC markers 
        var normalFormat = new Intl.DateTimeFormat(context.locale.codes, standardDateProps); 
        var zeroFormat; // needed? 
        if (extendedSettings.omitZeroMinute) { 
            var zeroProps = __assign({}, standardDateProps); 
            delete zeroProps.minute; // seconds and ms were already considered in sanitizeSettings 
            zeroFormat = new Intl.DateTimeFormat(context.locale.codes, zeroProps); 
        } 
        return function (date) { 
            var marker = date.marker; 
            var format; 
            if (zeroFormat && !marker.getUTCMinutes()) { 
                format = zeroFormat; 
            } 
            else { 
                format = normalFormat; 
            } 
            var s = format.format(marker); 
            return postProcess(s, date, standardDateProps, extendedSettings, context); 
        }; 
    } 
    function sanitizeSettings(standardDateProps, extendedSettings) { 
        // deal with a browser inconsistency where formatting the timezone 
        // requires that the hour/minute be present. 
        if (standardDateProps.timeZoneName) { 
            if (!standardDateProps.hour) { 
                standardDateProps.hour = '2-digit'; 
            } 
            if (!standardDateProps.minute) { 
                standardDateProps.minute = '2-digit'; 
            } 
        } 
        // only support short timezone names 
        if (standardDateProps.timeZoneName === 'long') { 
            standardDateProps.timeZoneName = 'short'; 
        } 
        // if requesting to display seconds, MUST display minutes 
        if (extendedSettings.omitZeroMinute && (standardDateProps.second || standardDateProps.millisecond)) { 
            delete extendedSettings.omitZeroMinute; 
        } 
    } 
    function postProcess(s, date, standardDateProps, extendedSettings, context) { 
        s = s.replace(LTR_RE, ''); // remove left-to-right control chars. do first. good for other regexes 
        if (standardDateProps.timeZoneName === 'short') { 
            s = injectTzoStr(s, (context.timeZone === 'UTC' || date.timeZoneOffset == null) ? 
                'UTC' : // important to normalize for IE, which does "GMT" 
                formatTimeZoneOffset(date.timeZoneOffset)); 
        } 
        if (extendedSettings.omitCommas) { 
            s = s.replace(COMMA_RE, '').trim(); 
        } 
        if (extendedSettings.omitZeroMinute) { 
            s = s.replace(':00', ''); // zeroFormat doesn't always achieve this 
        } 
        // ^ do anything that might create adjacent spaces before this point, 
        // because MERIDIEM_RE likes to eat up loading spaces 
        if (extendedSettings.meridiem === false) { 
            s = s.replace(MERIDIEM_RE, '').trim(); 
        } 
        else if (extendedSettings.meridiem === 'narrow') { // a/p 
            s = s.replace(MERIDIEM_RE, function (m0, m1) { 
                return m1.toLocaleLowerCase(); 
            }); 
        } 
        else if (extendedSettings.meridiem === 'short') { // am/pm 
            s = s.replace(MERIDIEM_RE, function (m0, m1) { 
                return m1.toLocaleLowerCase() + 'm'; 
            }); 
        } 
        else if (extendedSettings.meridiem === 'lowercase') { // other meridiem transformers already converted to lowercase 
            s = s.replace(MERIDIEM_RE, function (m0) { 
                return m0.toLocaleLowerCase(); 
            }); 
        } 
        s = s.replace(MULTI_SPACE_RE, ' '); 
        s = s.trim(); 
        return s; 
    } 
    function injectTzoStr(s, tzoStr) { 
        var replaced = false; 
        s = s.replace(UTC_RE, function () { 
            replaced = true; 
            return tzoStr; 
        }); 
        // IE11 doesn't include UTC/GMT in the original string, so append to end 
        if (!replaced) { 
            s += ' ' + tzoStr; 
        } 
        return s; 
    } 
    function formatWeekNumber(num, weekText, locale, display) { 
        var parts = []; 
        if (display === 'narrow') { 
            parts.push(weekText); 
        } 
        else if (display === 'short') { 
            parts.push(weekText, ' '); 
        } 
        // otherwise, considered 'numeric' 
        parts.push(locale.simpleNumberFormat.format(num)); 
        if (locale.options.direction === 'rtl') { // TODO: use control characters instead? 
            parts.reverse(); 
        } 
        return parts.join(''); 
    } 
    // Range Formatting Utils 
    // 0 = exactly the same 
    // 1 = different by time 
    // and bigger 
    function computeMarkerDiffSeverity(d0, d1, ca) { 
        if (ca.getMarkerYear(d0) !== ca.getMarkerYear(d1)) { 
            return 5; 
        } 
        if (ca.getMarkerMonth(d0) !== ca.getMarkerMonth(d1)) { 
            return 4; 
        } 
        if (ca.getMarkerDay(d0) !== ca.getMarkerDay(d1)) { 
            return 2; 
        } 
        if (timeAsMs(d0) !== timeAsMs(d1)) { 
            return 1; 
        } 
        return 0; 
    } 
    function computePartialFormattingOptions(options, biggestUnit) { 
        var partialOptions = {}; 
        for (var name_2 in options) { 
            if (!(name_2 in STANDARD_DATE_PROP_SEVERITIES) || // not a date part prop (like timeZone) 
                STANDARD_DATE_PROP_SEVERITIES[name_2] <= biggestUnit) { 
                partialOptions[name_2] = options[name_2]; 
            } 
        } 
        return partialOptions; 
    } 
    function findCommonInsertion(full0, partial0, full1, partial1) { 
        var i0 = 0; 
        while (i0 < full0.length) { 
            var found0 = full0.indexOf(partial0, i0); 
            if (found0 === -1) { 
                break; 
            } 
            var before0 = full0.substr(0, found0); 
            i0 = found0 + partial0.length; 
            var after0 = full0.substr(i0); 
            var i1 = 0; 
            while (i1 < full1.length) { 
                var found1 = full1.indexOf(partial1, i1); 
                if (found1 === -1) { 
                    break; 
                } 
                var before1 = full1.substr(0, found1); 
                i1 = found1 + partial1.length; 
                var after1 = full1.substr(i1); 
                if (before0 === before1 && after0 === after1) { 
                    return { 
                        before: before0, 
                        after: after0 
                    }; 
                } 
            } 
        } 
        return null; 
    } 
 
    function expandZonedMarker(dateInfo, calendarSystem) { 
        var a = calendarSystem.markerToArray(dateInfo.marker); 
        return { 
            marker: dateInfo.marker, 
            timeZoneOffset: dateInfo.timeZoneOffset, 
            array: a, 
            year: a[0], 
            month: a[1], 
            day: a[2], 
            hour: a[3], 
            minute: a[4], 
            second: a[5], 
            millisecond: a[6] 
        }; 
    } 
 
    function createVerboseFormattingArg(start, end, context, betterDefaultSeparator) { 
        var startInfo = expandZonedMarker(start, context.calendarSystem); 
        var endInfo = end ? expandZonedMarker(end, context.calendarSystem) : null; 
        return { 
            date: startInfo, 
            start: startInfo, 
            end: endInfo, 
            timeZone: context.timeZone, 
            localeCodes: context.locale.codes, 
            defaultSeparator: betterDefaultSeparator || context.defaultSeparator 
        }; 
    } 
 
    /* 
    TODO: fix the terminology of "formatter" vs "formatting func" 
    */ 
    /* 
    At the time of instantiation, this object does not know which cmd-formatting system it will use. 
    It receives this at the time of formatting, as a setting. 
    */ 
    var CmdFormatter = /** @class */ (function () { 
        function CmdFormatter(cmdStr) { 
            this.cmdStr = cmdStr; 
        } 
        CmdFormatter.prototype.format = function (date, context, betterDefaultSeparator) { 
            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(date, null, context, betterDefaultSeparator)); 
        }; 
        CmdFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) { 
            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(start, end, context, betterDefaultSeparator)); 
        }; 
        return CmdFormatter; 
    }()); 
 
    var FuncFormatter = /** @class */ (function () { 
        function FuncFormatter(func) { 
            this.func = func; 
        } 
        FuncFormatter.prototype.format = function (date, context, betterDefaultSeparator) { 
            return this.func(createVerboseFormattingArg(date, null, context, betterDefaultSeparator)); 
        }; 
        FuncFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) { 
            return this.func(createVerboseFormattingArg(start, end, context, betterDefaultSeparator)); 
        }; 
        return FuncFormatter; 
    }()); 
 
    function createFormatter(input) { 
        if (typeof input === 'object' && input) { // non-null object 
            return new NativeFormatter(input); 
        } 
        else if (typeof input === 'string') { 
            return new CmdFormatter(input); 
        } 
        else if (typeof input === 'function') { 
            return new FuncFormatter(input); 
        } 
    } 
 
    // base options 
    // ------------ 
    var BASE_OPTION_REFINERS = { 
        navLinkDayClick: identity, 
        navLinkWeekClick: identity, 
        duration: createDuration, 
        bootstrapFontAwesome: identity, 
        buttonIcons: identity, 
        customButtons: identity, 
        defaultAllDayEventDuration: createDuration, 
        defaultTimedEventDuration: createDuration, 
        nextDayThreshold: createDuration, 
        scrollTime: createDuration, 
        slotMinTime: createDuration, 
        slotMaxTime: createDuration, 
        dayPopoverFormat: createFormatter, 
        slotDuration: createDuration, 
        snapDuration: createDuration, 
        headerToolbar: identity, 
        footerToolbar: identity, 
        defaultRangeSeparator: String, 
        titleRangeSeparator: String, 
        forceEventDuration: Boolean, 
        dayHeaders: Boolean, 
        dayHeaderFormat: createFormatter, 
        dayHeaderClassNames: identity, 
        dayHeaderContent: identity, 
        dayHeaderDidMount: identity, 
        dayHeaderWillUnmount: identity, 
        dayCellClassNames: identity, 
        dayCellContent: identity, 
        dayCellDidMount: identity, 
        dayCellWillUnmount: identity, 
        initialView: String, 
        aspectRatio: Number, 
        weekends: Boolean, 
        weekNumberCalculation: identity, 
        weekNumbers: Boolean, 
        weekNumberClassNames: identity, 
        weekNumberContent: identity, 
        weekNumberDidMount: identity, 
        weekNumberWillUnmount: identity, 
        editable: Boolean, 
        viewClassNames: identity, 
        viewDidMount: identity, 
        viewWillUnmount: identity, 
        nowIndicator: Boolean, 
        nowIndicatorClassNames: identity, 
        nowIndicatorContent: identity, 
        nowIndicatorDidMount: identity, 
        nowIndicatorWillUnmount: identity, 
        showNonCurrentDates: Boolean, 
        lazyFetching: Boolean, 
        startParam: String, 
        endParam: String, 
        timeZoneParam: String, 
        timeZone: String, 
        locales: identity, 
        locale: identity, 
        themeSystem: String, 
        dragRevertDuration: Number, 
        dragScroll: Boolean, 
        allDayMaintainDuration: Boolean, 
        unselectAuto: Boolean, 
        dropAccept: identity, 
        eventOrder: parseFieldSpecs, 
        handleWindowResize: Boolean, 
        windowResizeDelay: Number, 
        longPressDelay: Number, 
        eventDragMinDistance: Number, 
        expandRows: Boolean, 
        height: identity, 
        contentHeight: identity, 
        direction: String, 
        weekNumberFormat: createFormatter, 
        eventResizableFromStart: Boolean, 
        displayEventTime: Boolean, 
        displayEventEnd: Boolean, 
        weekText: String, 
        progressiveEventRendering: Boolean, 
        businessHours: identity, 
        initialDate: identity, 
        now: identity, 
        eventDataTransform: identity, 
        stickyHeaderDates: identity, 
        stickyFooterScrollbar: identity, 
        viewHeight: identity, 
        defaultAllDay: Boolean, 
        eventSourceFailure: identity, 
        eventSourceSuccess: identity, 
        eventDisplay: String, 
        eventStartEditable: Boolean, 
        eventDurationEditable: Boolean, 
        eventOverlap: identity, 
        eventConstraint: identity, 
        eventAllow: identity, 
        eventBackgroundColor: String, 
        eventBorderColor: String, 
        eventTextColor: String, 
        eventColor: String, 
        eventClassNames: identity, 
        eventContent: identity, 
        eventDidMount: identity, 
        eventWillUnmount: identity, 
        selectConstraint: identity, 
        selectOverlap: identity, 
        selectAllow: identity, 
        droppable: Boolean, 
        unselectCancel: String, 
        slotLabelFormat: identity, 
        slotLaneClassNames: identity, 
        slotLaneContent: identity, 
        slotLaneDidMount: identity, 
        slotLaneWillUnmount: identity, 
        slotLabelClassNames: identity, 
        slotLabelContent: identity, 
        slotLabelDidMount: identity, 
        slotLabelWillUnmount: identity, 
        dayMaxEvents: identity, 
        dayMaxEventRows: identity, 
        dayMinWidth: Number, 
        slotLabelInterval: createDuration, 
        allDayText: String, 
        allDayClassNames: identity, 
        allDayContent: identity, 
        allDayDidMount: identity, 
        allDayWillUnmount: identity, 
        slotMinWidth: Number, 
        navLinks: Boolean, 
        eventTimeFormat: createFormatter, 
        rerenderDelay: Number, 
        moreLinkText: identity, 
        selectMinDistance: Number, 
        selectable: Boolean, 
        selectLongPressDelay: Number, 
        eventLongPressDelay: Number, 
        selectMirror: Boolean, 
        eventMinHeight: Number, 
        slotEventOverlap: Boolean, 
        plugins: identity, 
        firstDay: Number, 
        dayCount: Number, 
        dateAlignment: String, 
        dateIncrement: createDuration, 
        hiddenDays: identity, 
        monthMode: Boolean, 
        fixedWeekCount: Boolean, 
        validRange: identity, 
        visibleRange: identity, 
        titleFormat: identity, 
        // only used by list-view, but languages define the value, so we need it in base options 
        noEventsText: String 
    }; 
    // do NOT give a type here. need `typeof BASE_OPTION_DEFAULTS` to give real results. 
    // raw values. 
    var BASE_OPTION_DEFAULTS = { 
        eventDisplay: 'auto', 
        defaultRangeSeparator: ' - ', 
        titleRangeSeparator: '  ', 
        defaultTimedEventDuration: '01:00:00', 
        defaultAllDayEventDuration: { day: 1 }, 
        forceEventDuration: false, 
        nextDayThreshold: '00:00:00', 
        dayHeaders: true, 
        initialView: '', 
        aspectRatio: 1.35, 
        headerToolbar: { 
            start: 'title', 
            center: '', 
            end: 'today prev,next' 
        }, 
        weekends: true, 
        weekNumbers: false, 
        weekNumberCalculation: 'local', 
        editable: false, 
        nowIndicator: false, 
        scrollTime: '06:00:00', 
        slotMinTime: '00:00:00', 
        slotMaxTime: '24:00:00', 
        showNonCurrentDates: true, 
        lazyFetching: true, 
        startParam: 'start', 
        endParam: 'end', 
        timeZoneParam: 'timeZone', 
        timeZone: 'local', 
        locales: [], 
        locale: '', 
        themeSystem: 'standard', 
        dragRevertDuration: 500, 
        dragScroll: true, 
        allDayMaintainDuration: false, 
        unselectAuto: true, 
        dropAccept: '*', 
        eventOrder: 'start,-duration,allDay,title', 
        dayPopoverFormat: { month: 'long', day: 'numeric', year: 'numeric' }, 
        handleWindowResize: true, 
        windowResizeDelay: 100, 
        longPressDelay: 1000, 
        eventDragMinDistance: 5, 
        expandRows: false, 
        navLinks: false, 
        selectable: false 
    }; 
    // calendar listeners 
    // ------------------ 
    var CALENDAR_LISTENER_REFINERS = { 
        datesSet: identity, 
        eventsSet: identity, 
        eventAdd: identity, 
        eventChange: identity, 
        eventRemove: identity, 
        windowResize: identity, 
        eventClick: identity, 
        eventMouseEnter: identity, 
        eventMouseLeave: identity, 
        select: identity, 
        unselect: identity, 
        loading: identity, 
        // internal 
        _unmount: identity, 
        _beforeprint: identity, 
        _afterprint: identity, 
        _noEventDrop: identity, 
        _noEventResize: identity, 
        _resize: identity, 
        _scrollRequest: identity 
    }; 
    // calendar-specific options 
    // ------------------------- 
    var CALENDAR_OPTION_REFINERS = { 
        buttonText: identity, 
        views: identity, 
        plugins: identity, 
        initialEvents: identity, 
        events: identity, 
        eventSources: identity 
    }; 
    var COMPLEX_OPTION_COMPARATORS = { 
        headerToolbar: isBoolComplexEqual, 
        footerToolbar: isBoolComplexEqual, 
        buttonText: isBoolComplexEqual, 
        buttonIcons: isBoolComplexEqual 
    }; 
    function isBoolComplexEqual(a, b) { 
        if (typeof a === 'object' && typeof b === 'object' && a && b) { // both non-null objects 
            return isPropsEqual(a, b); 
        } 
        else { 
            return a === b; 
        } 
    } 
    // view-specific options 
    // --------------------- 
    var VIEW_OPTION_REFINERS = { 
        type: String, 
        component: identity, 
        buttonText: String, 
        buttonTextKey: String, 
        dateProfileGeneratorClass: identity, 
        usesMinMaxTime: Boolean, 
        classNames: identity, 
        content: identity, 
        didMount: identity, 
        willUnmount: identity 
    }; 
    // util funcs 
    // ---------------------------------------------------------------------------------------------------- 
    function mergeRawOptions(optionSets) { 
        return mergeProps(optionSets, COMPLEX_OPTION_COMPARATORS); 
    } 
    function refineProps(input, refiners) { 
        var refined = {}; 
        var extra = {}; 
        for (var propName in refiners) { 
            if (propName in input) { 
                refined[propName] = refiners[propName](input[propName]); 
            } 
        } 
        for (var propName in input) { 
            if (!(propName in refiners)) { 
                extra[propName] = input[propName]; 
            } 
        } 
        return { refined: refined, extra: extra }; 
    } 
    function identity(raw) { 
        return raw; 
    } 
 
    function parseEvents(rawEvents, eventSource, context, allowOpenRange) { 
        var eventStore = createEmptyEventStore(); 
        var eventRefiners = buildEventRefiners(context); 
        for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) { 
            var rawEvent = rawEvents_1[_i]; 
            var tuple = parseEvent(rawEvent, eventSource, context, allowOpenRange, eventRefiners); 
            if (tuple) { 
                eventTupleToStore(tuple, eventStore); 
            } 
        } 
        return eventStore; 
    } 
    function eventTupleToStore(tuple, eventStore) { 
        if (eventStore === void 0) { eventStore = createEmptyEventStore(); } 
        eventStore.defs[tuple.def.defId] = tuple.def; 
        if (tuple.instance) { 
            eventStore.instances[tuple.instance.instanceId] = tuple.instance; 
        } 
        return eventStore; 
    } 
    // retrieves events that have the same groupId as the instance specified by `instanceId` 
    // or they are the same as the instance. 
    // why might instanceId not be in the store? an event from another calendar? 
    function getRelevantEvents(eventStore, instanceId) { 
        var instance = eventStore.instances[instanceId]; 
        if (instance) { 
            var def_1 = eventStore.defs[instance.defId]; 
            // get events/instances with same group 
            var newStore = filterEventStoreDefs(eventStore, function (lookDef) { 
                return isEventDefsGrouped(def_1, lookDef); 
            }); 
            // add the original 
            // TODO: wish we could use eventTupleToStore or something like it 
            newStore.defs[def_1.defId] = def_1; 
            newStore.instances[instance.instanceId] = instance; 
            return newStore; 
        } 
        return createEmptyEventStore(); 
    } 
    function isEventDefsGrouped(def0, def1) { 
        return Boolean(def0.groupId && def0.groupId === def1.groupId); 
    } 
    function createEmptyEventStore() { 
        return { defs: {}, instances: {} }; 
    } 
    function mergeEventStores(store0, store1) { 
        return { 
            defs: __assign(__assign({}, store0.defs), store1.defs), 
            instances: __assign(__assign({}, store0.instances), store1.instances) 
        }; 
    } 
    function filterEventStoreDefs(eventStore, filterFunc) { 
        var defs = filterHash(eventStore.defs, filterFunc); 
        var instances = filterHash(eventStore.instances, function (instance) { 
            return defs[instance.defId]; // still exists? 
        }); 
        return { defs: defs, instances: instances }; 
    } 
    function excludeSubEventStore(master, sub) { 
        var defs = master.defs, instances = master.instances; 
        var filteredDefs = {}; 
        var filteredInstances = {}; 
        for (var defId in defs) { 
            if (!sub.defs[defId]) { // not explicitly excluded 
                filteredDefs[defId] = defs[defId]; 
            } 
        } 
        for (var instanceId in instances) { 
            if (!sub.instances[instanceId] && // not explicitly excluded 
                filteredDefs[instances[instanceId].defId] // def wasn't filtered away 
            ) { 
                filteredInstances[instanceId] = instances[instanceId]; 
            } 
        } 
        return { 
            defs: filteredDefs, 
            instances: filteredInstances 
        }; 
    } 
 
    function normalizeConstraint(input, context) { 
        if (Array.isArray(input)) { 
            return parseEvents(input, null, context, true); // allowOpenRange=true 
        } 
        else if (typeof input === 'object' && input) { // non-null object 
            return parseEvents([input], null, context, true); // allowOpenRange=true 
        } 
        else if (input != null) { 
            return String(input); 
        } 
        else { 
            return null; 
        } 
    } 
 
    function parseClassNames(raw) { 
        if (Array.isArray(raw)) { 
            return raw; 
        } 
        else if (typeof raw === 'string') { 
            return raw.split(/\s+/); 
        } 
        else { 
            return []; 
        } 
    } 
 
    // TODO: better called "EventSettings" or "EventConfig" 
    // TODO: move this file into structs 
    // TODO: separate constraint/overlap/allow, because selection uses only that, not other props 
    var EVENT_UI_REFINERS = { 
        display: String, 
        editable: Boolean, 
        startEditable: Boolean, 
        durationEditable: Boolean, 
        constraint: identity, 
        overlap: identity, 
        allow: identity, 
        className: parseClassNames, 
        classNames: parseClassNames, 
        color: String, 
        backgroundColor: String, 
        borderColor: String, 
        textColor: String 
    }; 
    function createEventUi(refined, context) { 
        var constraint = normalizeConstraint(refined.constraint, context); 
        return { 
            display: refined.display || null, 
            startEditable: refined.startEditable != null ? refined.startEditable : refined.editable, 
            durationEditable: refined.durationEditable != null ? refined.durationEditable : refined.editable, 
            constraints: constraint != null ? [constraint] : [], 
            overlap: refined.overlap != null ? refined.overlap : null, 
            allows: refined.allow != null ? [refined.allow] : [], 
            backgroundColor: refined.backgroundColor || refined.color || '', 
            borderColor: refined.borderColor || refined.color || '', 
            textColor: refined.textColor || '', 
            classNames: (refined.className || []).concat(refined.classNames || []) // join singular and plural 
        }; 
    } 
    // TODO: prevent against problems with <2 args! 
    function combineEventUis(uis) { 
        return uis.reduce(combineTwoEventUis, EMPTY_EVENT_UI); 
    } 
    function combineTwoEventUis(item0, item1) { 
        return { 
            display: item1.display != null ? item1.display : item0.display, 
            startEditable: item1.startEditable != null ? item1.startEditable : item0.startEditable, 
            durationEditable: item1.durationEditable != null ? item1.durationEditable : item0.durationEditable, 
            constraints: item0.constraints.concat(item1.constraints), 
            overlap: typeof item1.overlap === 'boolean' ? item1.overlap : item0.overlap, 
            allows: item0.allows.concat(item1.allows), 
            backgroundColor: item1.backgroundColor || item0.backgroundColor, 
            borderColor: item1.borderColor || item0.borderColor, 
            textColor: item1.textColor || item0.textColor, 
            classNames: item0.classNames.concat(item1.classNames) 
        }; 
    } 
    var EMPTY_EVENT_UI = { 
        display: null, 
        startEditable: null, 
        durationEditable: null, 
        constraints: [], 
        overlap: null, 
        allows: [], 
        backgroundColor: '', 
        borderColor: '', 
        textColor: '', 
        classNames: [] 
    }; 
 
    var EVENT_NON_DATE_REFINERS = { 
        id: String, 
        groupId: String, 
        title: String, 
        url: String 
    }; 
    var EVENT_DATE_REFINERS = { 
        start: identity, 
        end: identity, 
        date: identity, 
        allDay: Boolean 
    }; 
    var EVENT_REFINERS = __assign(__assign(__assign({}, EVENT_NON_DATE_REFINERS), EVENT_DATE_REFINERS), { extendedProps: identity }); 
    function parseEvent(raw, eventSource, context, allowOpenRange, refiners) { 
        if (refiners === void 0) { refiners = buildEventRefiners(context); } 
        var _a = refineEventDef(raw, context, refiners), refined = _a.refined, extra = _a.extra; 
        var defaultAllDay = computeIsDefaultAllDay(eventSource, context); 
        var recurringRes = parseRecurring(refined, defaultAllDay, context.dateEnv, context.pluginHooks.recurringTypes); 
        if (recurringRes) { 
            var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', recurringRes.allDay, Boolean(recurringRes.duration), context); 
            def.recurringDef = { 
                typeId: recurringRes.typeId, 
                typeData: recurringRes.typeData, 
                duration: recurringRes.duration 
            }; 
            return { def: def, instance: null }; 
        } 
        else { 
            var singleRes = parseSingle(refined, defaultAllDay, context, allowOpenRange); 
            if (singleRes) { 
                var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', singleRes.allDay, singleRes.hasEnd, context); 
                var instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo); 
                return { def: def, instance: instance }; 
            } 
        } 
        return null; 
    } 
    function refineEventDef(raw, context, refiners) { 
        if (refiners === void 0) { refiners = buildEventRefiners(context); } 
        return refineProps(raw, refiners); 
    } 
    function buildEventRefiners(context) { 
        return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_REFINERS), context.pluginHooks.eventRefiners); 
    } 
    /* 
    Will NOT populate extendedProps with the leftover properties. 
    Will NOT populate date-related props. 
    */ 
    function parseEventDef(refined, extra, sourceId, allDay, hasEnd, context) { 
        var def = { 
            title: refined.title || '', 
            groupId: refined.groupId || '', 
            publicId: refined.id || '', 
            url: refined.url || '', 
            recurringDef: null, 
            defId: guid(), 
            sourceId: sourceId, 
            allDay: allDay, 
            hasEnd: hasEnd, 
            ui: createEventUi(refined, context), 
            extendedProps: __assign(__assign({}, (refined.extendedProps || {})), extra) 
        }; 
        for (var _i = 0, _a = context.pluginHooks.eventDefMemberAdders; _i < _a.length; _i++) { 
            var memberAdder = _a[_i]; 
            __assign(def, memberAdder(refined)); 
        } 
        // help out EventApi from having user modify props 
        Object.freeze(def.ui.classNames); 
        Object.freeze(def.extendedProps); 
        return def; 
    } 
    function parseSingle(refined, defaultAllDay, context, allowOpenRange) { 
        var allDay = refined.allDay; 
        var startMeta; 
        var startMarker = null; 
        var hasEnd = false; 
        var endMeta; 
        var endMarker = null; 
        var startInput = refined.start != null ? refined.start : refined.date; 
        startMeta = context.dateEnv.createMarkerMeta(startInput); 
        if (startMeta) { 
            startMarker = startMeta.marker; 
        } 
        else if (!allowOpenRange) { 
            return null; 
        } 
        if (refined.end != null) { 
            endMeta = context.dateEnv.createMarkerMeta(refined.end); 
        } 
        if (allDay == null) { 
            if (defaultAllDay != null) { 
                allDay = defaultAllDay; 
            } 
            else { 
                // fall back to the date props LAST 
                allDay = (!startMeta || startMeta.isTimeUnspecified) && 
                    (!endMeta || endMeta.isTimeUnspecified); 
            } 
        } 
        if (allDay && startMarker) { 
            startMarker = startOfDay(startMarker); 
        } 
        if (endMeta) { 
            endMarker = endMeta.marker; 
            if (allDay) { 
                endMarker = startOfDay(endMarker); 
            } 
            if (startMarker && endMarker <= startMarker) { 
                endMarker = null; 
            } 
        } 
        if (endMarker) { 
            hasEnd = true; 
        } 
        else if (!allowOpenRange) { 
            hasEnd = context.options.forceEventDuration || false; 
            endMarker = context.dateEnv.add(startMarker, allDay ? 
                context.options.defaultAllDayEventDuration : 
                context.options.defaultTimedEventDuration); 
        } 
        return { 
            allDay: allDay, 
            hasEnd: hasEnd, 
            range: { start: startMarker, end: endMarker }, 
            forcedStartTzo: startMeta ? startMeta.forcedTzo : null, 
            forcedEndTzo: endMeta ? endMeta.forcedTzo : null 
        }; 
    } 
    function computeIsDefaultAllDay(eventSource, context) { 
        var res = null; 
        if (eventSource) { 
            res = eventSource.defaultAllDay; 
        } 
        if (res == null) { 
            res = context.options.defaultAllDay; 
        } 
        return res; 
    } 
 
    /* Date stuff that doesn't belong in datelib core 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    // given a timed range, computes an all-day range that has the same exact duration, 
    // but whose start time is aligned with the start of the day. 
    function computeAlignedDayRange(timedRange) { 
        var dayCnt = Math.floor(diffDays(timedRange.start, timedRange.end)) || 1; 
        var start = startOfDay(timedRange.start); 
        var end = addDays(start, dayCnt); 
        return { start: start, end: end }; 
    } 
    // given a timed range, computes an all-day range based on how for the end date bleeds into the next day 
    // TODO: give nextDayThreshold a default arg 
    function computeVisibleDayRange(timedRange, nextDayThreshold) { 
        if (nextDayThreshold === void 0) { nextDayThreshold = createDuration(0); } 
        var startDay = null; 
        var endDay = null; 
        if (timedRange.end) { 
            endDay = startOfDay(timedRange.end); 
            var endTimeMS = timedRange.end.valueOf() - endDay.valueOf(); // # of milliseconds into `endDay` 
            // If the end time is actually inclusively part of the next day and is equal to or 
            // beyond the next day threshold, adjust the end to be the exclusive end of `endDay`. 
            // Otherwise, leaving it as inclusive will cause it to exclude `endDay`. 
            if (endTimeMS && endTimeMS >= asRoughMs(nextDayThreshold)) { 
                endDay = addDays(endDay, 1); 
            } 
        } 
        if (timedRange.start) { 
            startDay = startOfDay(timedRange.start); // the beginning of the day the range starts 
            // If end is within `startDay` but not past nextDayThreshold, assign the default duration of one day. 
            if (endDay && endDay <= startDay) { 
                endDay = addDays(startDay, 1); 
            } 
        } 
        return { start: startDay, end: endDay }; 
    } 
    // spans from one day into another? 
    function isMultiDayRange(range) { 
        var visibleRange = computeVisibleDayRange(range); 
        return diffDays(visibleRange.start, visibleRange.end) > 1; 
    } 
    function diffDates(date0, date1, dateEnv, largeUnit) { 
        if (largeUnit === 'year') { 
            return createDuration(dateEnv.diffWholeYears(date0, date1), 'year'); 
        } 
        else if (largeUnit === 'month') { 
            return createDuration(dateEnv.diffWholeMonths(date0, date1), 'month'); 
        } 
        else { 
            return diffDayAndTime(date0, date1); // returns a duration 
        } 
    } 
 
    function parseRange(input, dateEnv) { 
        var start = null; 
        var end = null; 
        if (input.start) { 
            start = dateEnv.createMarker(input.start); 
        } 
        if (input.end) { 
            end = dateEnv.createMarker(input.end); 
        } 
        if (!start && !end) { 
            return null; 
        } 
        if (start && end && end < start) { 
            return null; 
        } 
        return { start: start, end: end }; 
    } 
    // SIDE-EFFECT: will mutate ranges. 
    // Will return a new array result. 
    function invertRanges(ranges, constraintRange) { 
        var invertedRanges = []; 
        var start = constraintRange.start; // the end of the previous range. the start of the new range 
        var i; 
        var dateRange; 
        // ranges need to be in order. required for our date-walking algorithm 
        ranges.sort(compareRanges); 
        for (i = 0; i < ranges.length; i++) { 
            dateRange = ranges[i]; 
            // add the span of time before the event (if there is any) 
            if (dateRange.start > start) { // compare millisecond time (skip any ambig logic) 
                invertedRanges.push({ start: start, end: dateRange.start }); 
            } 
            if (dateRange.end > start) { 
                start = dateRange.end; 
            } 
        } 
        // add the span of time after the last event (if there is any) 
        if (start < constraintRange.end) { // compare millisecond time (skip any ambig logic) 
            invertedRanges.push({ start: start, end: constraintRange.end }); 
        } 
        return invertedRanges; 
    } 
    function compareRanges(range0, range1) { 
        return range0.start.valueOf() - range1.start.valueOf(); // earlier ranges go first 
    } 
    function intersectRanges(range0, range1) { 
        var start = range0.start; 
        var end = range0.end; 
        var newRange = null; 
        if (range1.start !== null) { 
            if (start === null) { 
                start = range1.start; 
            } 
            else { 
                start = new Date(Math.max(start.valueOf(), range1.start.valueOf())); 
            } 
        } 
        if (range1.end != null) { 
            if (end === null) { 
                end = range1.end; 
            } 
            else { 
                end = new Date(Math.min(end.valueOf(), range1.end.valueOf())); 
            } 
        } 
        if (start === null || end === null || start < end) { 
            newRange = { start: start, end: end }; 
        } 
        return newRange; 
    } 
    function rangesEqual(range0, range1) { 
        return (range0.start === null ? null : range0.start.valueOf()) === (range1.start === null ? null : range1.start.valueOf()) && 
            (range0.end === null ? null : range0.end.valueOf()) === (range1.end === null ? null : range1.end.valueOf()); 
    } 
    function rangesIntersect(range0, range1) { 
        return (range0.end === null || range1.start === null || range0.end > range1.start) && 
            (range0.start === null || range1.end === null || range0.start < range1.end); 
    } 
    function rangeContainsRange(outerRange, innerRange) { 
        return (outerRange.start === null || (innerRange.start !== null && innerRange.start >= outerRange.start)) && 
            (outerRange.end === null || (innerRange.end !== null && innerRange.end <= outerRange.end)); 
    } 
    function rangeContainsMarker(range, date) { 
        return (range.start === null || date >= range.start) && 
            (range.end === null || date < range.end); 
    } 
    // If the given date is not within the given range, move it inside. 
    // (If it's past the end, make it one millisecond before the end). 
    function constrainMarkerToRange(date, range) { 
        if (range.start != null && date < range.start) { 
            return range.start; 
        } 
        if (range.end != null && date >= range.end) { 
            return new Date(range.end.valueOf() - 1); 
        } 
        return date; 
    } 
 
    /* 
    Specifying nextDayThreshold signals that all-day ranges should be sliced. 
    */ 
    function sliceEventStore(eventStore, eventUiBases, framingRange, nextDayThreshold) { 
        var inverseBgByGroupId = {}; 
        var inverseBgByDefId = {}; 
        var defByGroupId = {}; 
        var bgRanges = []; 
        var fgRanges = []; 
        var eventUis = compileEventUis(eventStore.defs, eventUiBases); 
        for (var defId in eventStore.defs) { 
            var def = eventStore.defs[defId]; 
            var ui = eventUis[def.defId]; 
            if (ui.display === 'inverse-background') { 
                if (def.groupId) { 
                    inverseBgByGroupId[def.groupId] = []; 
                    if (!defByGroupId[def.groupId]) { 
                        defByGroupId[def.groupId] = def; 
                    } 
                } 
                else { 
                    inverseBgByDefId[defId] = []; 
                } 
            } 
        } 
        for (var instanceId in eventStore.instances) { 
            var instance = eventStore.instances[instanceId]; 
            var def = eventStore.defs[instance.defId]; 
            var ui = eventUis[def.defId]; 
            var origRange = instance.range; 
            var normalRange = (!def.allDay && nextDayThreshold) ? 
                computeVisibleDayRange(origRange, nextDayThreshold) : 
                origRange; 
            var slicedRange = intersectRanges(normalRange, framingRange); 
            if (slicedRange) { 
                if (ui.display === 'inverse-background') { 
                    if (def.groupId) { 
                        inverseBgByGroupId[def.groupId].push(slicedRange); 
                    } 
                    else { 
                        inverseBgByDefId[instance.defId].push(slicedRange); 
                    } 
                } 
                else if (ui.display !== 'none') { 
                    (ui.display === 'background' ? bgRanges : fgRanges).push({ 
                        def: def, 
                        ui: ui, 
                        instance: instance, 
                        range: slicedRange, 
                        isStart: normalRange.start && normalRange.start.valueOf() === slicedRange.start.valueOf(), 
                        isEnd: normalRange.end && normalRange.end.valueOf() === slicedRange.end.valueOf() 
                    }); 
                } 
            } 
        } 
        for (var groupId in inverseBgByGroupId) { // BY GROUP 
            var ranges = inverseBgByGroupId[groupId]; 
            var invertedRanges = invertRanges(ranges, framingRange); 
            for (var _i = 0, invertedRanges_1 = invertedRanges; _i < invertedRanges_1.length; _i++) { 
                var invertedRange = invertedRanges_1[_i]; 
                var def = defByGroupId[groupId]; 
                var ui = eventUis[def.defId]; 
                bgRanges.push({ 
                    def: def, 
                    ui: ui, 
                    instance: null, 
                    range: invertedRange, 
                    isStart: false, 
                    isEnd: false 
                }); 
            } 
        } 
        for (var defId in inverseBgByDefId) { 
            var ranges = inverseBgByDefId[defId]; 
            var invertedRanges = invertRanges(ranges, framingRange); 
            for (var _a = 0, invertedRanges_2 = invertedRanges; _a < invertedRanges_2.length; _a++) { 
                var invertedRange = invertedRanges_2[_a]; 
                bgRanges.push({ 
                    def: eventStore.defs[defId], 
                    ui: eventUis[defId], 
                    instance: null, 
                    range: invertedRange, 
                    isStart: false, 
                    isEnd: false 
                }); 
            } 
        } 
        return { bg: bgRanges, fg: fgRanges }; 
    } 
    function hasBgRendering(def) { 
        return def.ui.display === 'background' || def.ui.display === 'inverse-background'; 
    } 
    function setElSeg(el, seg) { 
        el.fcSeg = seg; 
    } 
    function getElSeg(el) { 
        return el.fcSeg || 
            el.parentNode.fcSeg || // for the harness 
            null; 
    } 
    // event ui computation 
    function compileEventUis(eventDefs, eventUiBases) { 
        return mapHash(eventDefs, function (eventDef) { 
            return compileEventUi(eventDef, eventUiBases); 
        }); 
    } 
    function compileEventUi(eventDef, eventUiBases) { 
        var uis = []; 
        if (eventUiBases['']) { 
            uis.push(eventUiBases['']); 
        } 
        if (eventUiBases[eventDef.defId]) { 
            uis.push(eventUiBases[eventDef.defId]); 
        } 
        uis.push(eventDef.ui); 
        return combineEventUis(uis); 
    } 
    function sortEventSegs(segs, eventOrderSpecs) { 
        var objs = segs.map(buildSegCompareObj); 
        objs.sort(function (obj0, obj1) { 
            return compareByFieldSpecs(obj0, obj1, eventOrderSpecs); 
        }); 
        return objs.map(function (c) { 
            return c._seg; 
        }); 
    } 
    // returns a object with all primitive props that can be compared 
    function buildSegCompareObj(seg) { 
        var eventRange = seg.eventRange; 
        var eventDef = eventRange.def; 
        var range = eventRange.instance ? eventRange.instance.range : eventRange.range; 
        var start = range.start ? range.start.valueOf() : 0; // TODO: better support for open-range events 
        var end = range.end ? range.end.valueOf() : 0; // " 
        return __assign(__assign(__assign({}, eventDef.extendedProps), eventDef), { id: eventDef.publicId, start: start, 
            end: end, duration: end - start, allDay: Number(eventDef.allDay), _seg: seg // for later retrieval 
         }); 
    } 
    function computeSegDraggable(seg, context) { 
        var pluginHooks = context.pluginHooks; 
        var transformers = pluginHooks.isDraggableTransformers; 
        var _a = seg.eventRange, def = _a.def, ui = _a.ui; 
        var val = ui.startEditable; 
        for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) { 
            var transformer = transformers_1[_i]; 
            val = transformer(val, def, ui, context); 
        } 
        return val; 
    } 
    function computeSegStartResizable(seg, context) { 
        return seg.isStart && seg.eventRange.ui.durationEditable && context.options.eventResizableFromStart; 
    } 
    function computeSegEndResizable(seg, context) { 
        return seg.isEnd && seg.eventRange.ui.durationEditable; 
    } 
    function buildSegTimeText(seg, timeFormat, context, defaultDisplayEventTime, // defaults to true 
    defaultDisplayEventEnd, // defaults to true 
    startOverride, endOverride) { 
        var dateEnv = context.dateEnv, options = context.options; 
        var displayEventTime = options.displayEventTime, displayEventEnd = options.displayEventEnd; 
        var eventDef = seg.eventRange.def; 
        var eventInstance = seg.eventRange.instance; 
        if (displayEventTime == null) { 
            displayEventTime = defaultDisplayEventTime !== false; 
        } 
        if (displayEventEnd == null) { 
            displayEventEnd = defaultDisplayEventEnd !== false; 
        } 
        if (displayEventTime && !eventDef.allDay && (seg.isStart || seg.isEnd)) { 
            var segStart = startOverride || (seg.isStart ? eventInstance.range.start : (seg.start || seg.eventRange.range.start)); 
            var segEnd = endOverride || (seg.isEnd ? eventInstance.range.end : (seg.end || seg.eventRange.range.end)); 
            if (displayEventEnd && eventDef.hasEnd) { 
                return dateEnv.formatRange(segStart, segEnd, timeFormat, { 
                    forcedStartTzo: startOverride ? null : eventInstance.forcedStartTzo, 
                    forcedEndTzo: endOverride ? null : eventInstance.forcedEndTzo 
                }); 
            } 
            else { 
                return dateEnv.format(segStart, timeFormat, { 
                    forcedTzo: startOverride ? null : eventInstance.forcedStartTzo // nooooo, same 
                }); 
            } 
        } 
        return ''; 
    } 
    function getSegMeta(seg, todayRange, nowDate) { 
        var segRange = seg.eventRange.range; 
        return { 
            isPast: segRange.end < (nowDate || todayRange.start), 
            isFuture: segRange.start >= (nowDate || todayRange.end), 
            isToday: todayRange && rangeContainsMarker(todayRange, segRange.start) 
        }; 
    } 
    function getEventClassNames(props) { 
        var classNames = ['fc-event']; 
        if (props.isMirror) { 
            classNames.push('fc-event-mirror'); 
        } 
        if (props.isDraggable) { 
            classNames.push('fc-event-draggable'); 
        } 
        if (props.isStartResizable || props.isEndResizable) { 
            classNames.push('fc-event-resizable'); 
        } 
        if (props.isDragging) { 
            classNames.push('fc-event-dragging'); 
        } 
        if (props.isResizing) { 
            classNames.push('fc-event-resizing'); 
        } 
        if (props.isSelected) { 
            classNames.push('fc-event-selected'); 
        } 
        if (props.isStart) { 
            classNames.push('fc-event-start'); 
        } 
        if (props.isEnd) { 
            classNames.push('fc-event-end'); 
        } 
        if (props.isPast) { 
            classNames.push('fc-event-past'); 
        } 
        if (props.isToday) { 
            classNames.push('fc-event-today'); 
        } 
        if (props.isFuture) { 
            classNames.push('fc-event-future'); 
        } 
        return classNames; 
    } 
    function buildEventRangeKey(eventRange) { 
        return eventRange.instance 
            ? eventRange.instance.instanceId 
            : eventRange.def.defId + ':' + eventRange.range.start.toISOString(); 
        // inverse-background events don't have specific instances. TODO: better solution 
    } 
 
    var STANDARD_PROPS = { 
        start: identity, 
        end: identity, 
        allDay: Boolean 
    }; 
    function parseDateSpan(raw, dateEnv, defaultDuration) { 
        var span = parseOpenDateSpan(raw, dateEnv); 
        var range = span.range; 
        if (!range.start) { 
            return null; 
        } 
        if (!range.end) { 
            if (defaultDuration == null) { 
                return null; 
            } 
            else { 
                range.end = dateEnv.add(range.start, defaultDuration); 
            } 
        } 
        return span; 
    } 
    /* 
    TODO: somehow combine with parseRange? 
    Will return null if the start/end props were present but parsed invalidly. 
    */ 
    function parseOpenDateSpan(raw, dateEnv) { 
        var _a = refineProps(raw, STANDARD_PROPS), standardProps = _a.refined, extra = _a.extra; 
        var startMeta = standardProps.start ? dateEnv.createMarkerMeta(standardProps.start) : null; 
        var endMeta = standardProps.end ? dateEnv.createMarkerMeta(standardProps.end) : null; 
        var allDay = standardProps.allDay; 
        if (allDay == null) { 
            allDay = (startMeta && startMeta.isTimeUnspecified) && 
                (!endMeta || endMeta.isTimeUnspecified); 
        } 
        return __assign({ range: { 
                start: startMeta ? startMeta.marker : null, 
                end: endMeta ? endMeta.marker : null, 
            }, allDay: allDay }, extra); 
    } 
    function isDateSpansEqual(span0, span1) { 
        return rangesEqual(span0.range, span1.range) && 
            span0.allDay === span1.allDay && 
            isSpanPropsEqual(span0, span1); 
    } 
    // the NON-DATE-RELATED props 
    function isSpanPropsEqual(span0, span1) { 
        for (var propName in span1) { 
            if (propName !== 'range' && propName !== 'allDay') { 
                if (span0[propName] !== span1[propName]) { 
                    return false; 
                } 
            } 
        } 
        // are there any props that span0 has that span1 DOESN'T have? 
        // both have range/allDay, so no need to special-case. 
        for (var propName in span0) { 
            if (!(propName in span1)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    function buildDateSpanApi(span, dateEnv) { 
        return __assign(__assign({}, buildRangeApi(span.range, dateEnv, span.allDay)), { allDay: span.allDay }); 
    } 
    function buildRangeApiWithTimeZone(range, dateEnv, omitTime) { 
        return __assign(__assign({}, buildRangeApi(range, dateEnv, omitTime)), { timeZone: dateEnv.timeZone }); 
    } 
    function buildRangeApi(range, dateEnv, omitTime) { 
        return { 
            start: dateEnv.toDate(range.start), 
            end: dateEnv.toDate(range.end), 
            startStr: dateEnv.formatIso(range.start, { omitTime: omitTime }), 
            endStr: dateEnv.formatIso(range.end, { omitTime: omitTime }) 
        }; 
    } 
    function fabricateEventRange(dateSpan, eventUiBases, context) { 
        var res = refineEventDef({ editable: false }, context); 
        var def = parseEventDef(res.refined, res.extra, '', // sourceId 
        dateSpan.allDay, true, // hasEnd 
        context); 
        return { 
            def: def, 
            ui: compileEventUi(def, eventUiBases), 
            instance: createEventInstance(def.defId, dateSpan.range), 
            range: dateSpan.range, 
            isStart: true, 
            isEnd: true 
        }; 
    } 
 
    function triggerDateSelect(selection, pev, context) { 
        context.emitter.trigger('select', __assign(__assign({}, buildDateSpanApiWithContext(selection, context)), { jsEvent: pev ? pev.origEvent : null, view: context.viewApi || context.calendarApi.view })); 
    } 
    function triggerDateUnselect(pev, context) { 
        context.emitter.trigger('unselect', { 
            jsEvent: pev ? pev.origEvent : null, 
            view: context.viewApi || context.calendarApi.view 
        }); 
    } 
    function buildDateSpanApiWithContext(dateSpan, context) { 
        var props = {}; 
        for (var _i = 0, _a = context.pluginHooks.dateSpanTransforms; _i < _a.length; _i++) { 
            var transform = _a[_i]; 
            __assign(props, transform(dateSpan, context)); 
        } 
        __assign(props, buildDateSpanApi(dateSpan, context.dateEnv)); 
        return props; 
    } 
    // Given an event's allDay status and start date, return what its fallback end date should be. 
    // TODO: rename to computeDefaultEventEnd 
    function getDefaultEventEnd(allDay, marker, context) { 
        var dateEnv = context.dateEnv, options = context.options; 
        var end = marker; 
        if (allDay) { 
            end = startOfDay(end); 
            end = dateEnv.add(end, options.defaultAllDayEventDuration); 
        } 
        else { 
            end = dateEnv.add(end, options.defaultTimedEventDuration); 
        } 
        return end; 
    } 
 
    // applies the mutation to ALL defs/instances within the event store 
    function applyMutationToEventStore(eventStore, eventConfigBase, mutation, context) { 
        var eventConfigs = compileEventUis(eventStore.defs, eventConfigBase); 
        var dest = createEmptyEventStore(); 
        for (var defId in eventStore.defs) { 
            var def = eventStore.defs[defId]; 
            dest.defs[defId] = applyMutationToEventDef(def, eventConfigs[defId], mutation, context); 
        } 
        for (var instanceId in eventStore.instances) { 
            var instance = eventStore.instances[instanceId]; 
            var def = dest.defs[instance.defId]; // important to grab the newly modified def 
            dest.instances[instanceId] = applyMutationToEventInstance(instance, def, eventConfigs[instance.defId], mutation, context); 
        } 
        return dest; 
    } 
    function applyMutationToEventDef(eventDef, eventConfig, mutation, context) { 
        var standardProps = mutation.standardProps || {}; 
        // if hasEnd has not been specified, guess a good value based on deltas. 
        // if duration will change, there's no way the default duration will persist, 
        // and thus, we need to mark the event as having a real end 
        if (standardProps.hasEnd == null && 
            eventConfig.durationEditable && 
            (mutation.startDelta || mutation.endDelta)) { 
            standardProps.hasEnd = true; // TODO: is this mutation okay? 
        } 
        var copy = __assign(__assign(__assign({}, eventDef), standardProps), { ui: __assign(__assign({}, eventDef.ui), standardProps.ui) }); 
        if (mutation.extendedProps) { 
            copy.extendedProps = __assign(__assign({}, copy.extendedProps), mutation.extendedProps); 
        } 
        for (var _i = 0, _a = context.pluginHooks.eventDefMutationAppliers; _i < _a.length; _i++) { 
            var applier = _a[_i]; 
            applier(copy, mutation, context); 
        } 
        if (!copy.hasEnd && context.options.forceEventDuration) { 
            copy.hasEnd = true; 
        } 
        return copy; 
    } 
    function applyMutationToEventInstance(eventInstance, eventDef, // must first be modified by applyMutationToEventDef 
    eventConfig, mutation, context) { 
        var dateEnv = context.dateEnv; 
        var forceAllDay = mutation.standardProps && mutation.standardProps.allDay === true; 
        var clearEnd = mutation.standardProps && mutation.standardProps.hasEnd === false; 
        var copy = __assign({}, eventInstance); 
        if (forceAllDay) { 
            copy.range = computeAlignedDayRange(copy.range); 
        } 
        if (mutation.datesDelta && eventConfig.startEditable) { 
            copy.range = { 
                start: dateEnv.add(copy.range.start, mutation.datesDelta), 
                end: dateEnv.add(copy.range.end, mutation.datesDelta) 
            }; 
        } 
        if (mutation.startDelta && eventConfig.durationEditable) { 
            copy.range = { 
                start: dateEnv.add(copy.range.start, mutation.startDelta), 
                end: copy.range.end 
            }; 
        } 
        if (mutation.endDelta && eventConfig.durationEditable) { 
            copy.range = { 
                start: copy.range.start, 
                end: dateEnv.add(copy.range.end, mutation.endDelta) 
            }; 
        } 
        if (clearEnd) { 
            copy.range = { 
                start: copy.range.start, 
                end: getDefaultEventEnd(eventDef.allDay, copy.range.start, context) 
            }; 
        } 
        // in case event was all-day but the supplied deltas were not 
        // better util for this? 
        if (eventDef.allDay) { 
            copy.range = { 
                start: startOfDay(copy.range.start), 
                end: startOfDay(copy.range.end) 
            }; 
        } 
        // handle invalid durations 
        if (copy.range.end < copy.range.start) { 
            copy.range.end = getDefaultEventEnd(eventDef.allDay, copy.range.start, context); 
        } 
        return copy; 
    } 
 
    // no public types yet. when there are, export from: 
    // import {} from './api-type-deps' 
    var ViewApi = /** @class */ (function () { 
        function ViewApi(type, getCurrentData, dateEnv) { 
            this.type = type; 
            this.getCurrentData = getCurrentData; 
            this.dateEnv = dateEnv; 
        } 
        Object.defineProperty(ViewApi.prototype, "calendar", { 
            get: function () { 
                return this.getCurrentData().calendarApi; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "title", { 
            get: function () { 
                return this.getCurrentData().viewTitle; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "activeStart", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.start); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "activeEnd", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.end); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "currentStart", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.start); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "currentEnd", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.end); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        ViewApi.prototype.getOption = function (name) { 
            return this.getCurrentData().options[name]; // are the view-specific options 
        }; 
        return ViewApi; 
    }()); 
 
    var EVENT_SOURCE_REFINERS = { 
        id: String, 
        defaultAllDay: Boolean, 
        url: String, 
        events: identity, 
        eventDataTransform: identity, 
        // for any network-related sources 
        success: identity, 
        failure: identity, 
    }; 
    function parseEventSource(raw, context, refiners) { 
        if (refiners === void 0) { refiners = buildEventSourceRefiners(context); } 
        var rawObj; 
        if (typeof raw === 'string') { 
            rawObj = { url: raw }; 
        } 
        else if (typeof raw === 'function' || Array.isArray(raw)) { 
            rawObj = { events: raw }; 
        } 
        else if (typeof raw === 'object' && raw) { // not null 
            rawObj = raw; 
        } 
        if (rawObj) { 
            var _a = refineProps(rawObj, refiners), refined = _a.refined, extra = _a.extra; 
            var metaRes = buildEventSourceMeta(refined, context); 
            if (metaRes) { 
                return { 
                    _raw: raw, 
                    isFetching: false, 
                    latestFetchId: '', 
                    fetchRange: null, 
                    defaultAllDay: refined.defaultAllDay, 
                    eventDataTransform: refined.eventDataTransform, 
                    success: refined.success, 
                    failure: refined.failure, 
                    publicId: refined.id || '', 
                    sourceId: guid(), 
                    sourceDefId: metaRes.sourceDefId, 
                    meta: metaRes.meta, 
                    ui: createEventUi(refined, context), 
                    extendedProps: extra 
                }; 
            } 
        } 
        return null; 
    } 
    function buildEventSourceRefiners(context) { 
        return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_SOURCE_REFINERS), context.pluginHooks.eventSourceRefiners); 
    } 
    function buildEventSourceMeta(raw, context) { 
        var defs = context.pluginHooks.eventSourceDefs; 
        for (var i = defs.length - 1; i >= 0; i--) { // later-added plugins take precedence 
            var def = defs[i]; 
            var meta = def.parseMeta(raw); 
            if (meta) { 
                return { sourceDefId: i, meta: meta }; 
            } 
        } 
        return null; 
    } 
 
    function reduceCurrentDate(currentDate, action) { 
        switch (action.type) { 
            case 'CHANGE_DATE': 
                return action.dateMarker; 
            default: 
                return currentDate; 
        } 
    } 
    function getInitialDate(options, dateEnv) { 
        var initialDateInput = options.initialDate; 
        // compute the initial ambig-timezone date 
        if (initialDateInput != null) { 
            return dateEnv.createMarker(initialDateInput); 
        } 
        else { 
            return getNow(options.now, dateEnv); // getNow already returns unzoned 
        } 
    } 
    function getNow(nowInput, dateEnv) { 
        if (typeof nowInput === 'function') { 
            nowInput = nowInput(); 
        } 
        if (nowInput == null) { 
            return dateEnv.createNowMarker(); 
        } 
        return dateEnv.createMarker(nowInput); 
    } 
 
    var CalendarApi = /** @class */ (function () { 
        function CalendarApi() { 
        } 
        CalendarApi.prototype.getCurrentData = function () { 
            return this.currentDataManager.getCurrentData(); 
        }; 
        CalendarApi.prototype.dispatch = function (action) { 
            return this.currentDataManager.dispatch(action); 
        }; 
        Object.defineProperty(CalendarApi.prototype, "view", { 
            get: function () { return this.getCurrentData().viewApi; } // for public API 
            , 
            enumerable: false, 
            configurable: true 
        }); 
        CalendarApi.prototype.batchRendering = function (callback) { 
            callback(); 
        }; 
        CalendarApi.prototype.updateSize = function () { 
            this.trigger('_resize', true); 
        }; 
        // Options 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.setOption = function (name, val) { 
            this.dispatch({ 
                type: 'SET_OPTION', 
                optionName: name, 
                rawOptionValue: val 
            }); 
        }; 
        CalendarApi.prototype.getOption = function (name) { 
            return this.currentDataManager.currentCalendarOptionsInput[name]; 
        }; 
        CalendarApi.prototype.getAvailableLocaleCodes = function () { 
            return Object.keys(this.getCurrentData().availableRawLocales); 
        }; 
        // Trigger 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.on = function (handlerName, handler) { 
            var currentDataManager = this.currentDataManager; 
            if (currentDataManager.currentCalendarOptionsRefiners[handlerName]) { 
                currentDataManager.emitter.on(handlerName, handler); 
            } 
            else { 
                console.warn("Unknown listener name '" + handlerName + "'"); 
            } 
        }; 
        CalendarApi.prototype.off = function (handlerName, handler) { 
            this.currentDataManager.emitter.off(handlerName, handler); 
        }; 
        CalendarApi.prototype.trigger = function (handlerName) { 
            var _a; 
            var args = []; 
            for (var _i = 1; _i < arguments.length; _i++) { 
                args[_i - 1] = arguments[_i]; 
            } 
            (_a = this.currentDataManager.emitter).trigger.apply(_a, __spreadArrays([handlerName], args)); 
        }; 
        // View 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.changeView = function (viewType, dateOrRange) { 
            var _this = this; 
            this.batchRendering(function () { 
                _this.unselect(); 
                if (dateOrRange) { 
                    if (dateOrRange.start && dateOrRange.end) { // a range 
                        _this.dispatch({ 
                            type: 'CHANGE_VIEW_TYPE', 
                            viewType: viewType, 
                        }); 
                        _this.dispatch({ 
                            type: 'SET_OPTION', 
                            optionName: 'visibleRange', 
                            rawOptionValue: dateOrRange 
                        }); 
                    } 
                    else { 
                        var dateEnv = _this.getCurrentData().dateEnv; 
                        _this.dispatch({ 
                            type: 'CHANGE_VIEW_TYPE', 
                            viewType: viewType, 
                            dateMarker: dateEnv.createMarker(dateOrRange) 
                        }); 
                    } 
                } 
                else { 
                    _this.dispatch({ 
                        type: 'CHANGE_VIEW_TYPE', 
                        viewType: viewType 
                    }); 
                } 
            }); 
        }; 
        // Forces navigation to a view for the given date. 
        // `viewType` can be a specific view name or a generic one like "week" or "day". 
        // needs to change 
        CalendarApi.prototype.zoomTo = function (dateMarker, viewType) { 
            var state = this.getCurrentData(); 
            var spec; 
            viewType = viewType || 'day'; // day is default zoom 
            spec = state.viewSpecs[viewType] || this.getUnitViewSpec(viewType); 
            this.unselect(); 
            if (spec) { 
                this.dispatch({ 
                    type: 'CHANGE_VIEW_TYPE', 
                    viewType: spec.type, 
                    dateMarker: dateMarker 
                }); 
            } 
            else { 
                this.dispatch({ 
                    type: 'CHANGE_DATE', 
                    dateMarker: dateMarker 
                }); 
            } 
        }; 
        // Given a duration singular unit, like "week" or "day", finds a matching view spec. 
        // Preference is given to views that have corresponding buttons. 
        CalendarApi.prototype.getUnitViewSpec = function (unit) { 
            var _a = this.getCurrentData(), viewSpecs = _a.viewSpecs, toolbarConfig = _a.toolbarConfig; 
            var viewTypes = [].concat(toolbarConfig.viewsWithButtons); 
            var i; 
            var spec; 
            for (var viewType in viewSpecs) { 
                viewTypes.push(viewType); 
            } 
            for (i = 0; i < viewTypes.length; i++) { 
                spec = viewSpecs[viewTypes[i]]; 
                if (spec) { 
                    if (spec.singleUnit === unit) { 
                        return spec; 
                    } 
                } 
            } 
        }; 
        // Current Date 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.prev = function () { 
            this.unselect(); 
            this.dispatch({ type: 'PREV' }); 
        }; 
        CalendarApi.prototype.next = function () { 
            this.unselect(); 
            this.dispatch({ type: 'NEXT' }); 
        }; 
        CalendarApi.prototype.prevYear = function () { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: state.dateEnv.addYears(state.currentDate, -1) 
            }); 
        }; 
        CalendarApi.prototype.nextYear = function () { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: state.dateEnv.addYears(state.currentDate, 1) 
            }); 
        }; 
        CalendarApi.prototype.today = function () { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: getNow(state.calendarOptions.now, state.dateEnv) 
            }); 
        }; 
        CalendarApi.prototype.gotoDate = function (zonedDateInput) { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: state.dateEnv.createMarker(zonedDateInput) 
            }); 
        }; 
        CalendarApi.prototype.incrementDate = function (deltaInput) { 
            var state = this.getCurrentData(); 
            var delta = createDuration(deltaInput); 
            if (delta) { // else, warn about invalid input? 
                this.unselect(); 
                this.dispatch({ 
                    type: 'CHANGE_DATE', 
                    dateMarker: state.dateEnv.add(state.currentDate, delta) 
                }); 
            } 
        }; 
        // for external API 
        CalendarApi.prototype.getDate = function () { 
            var state = this.getCurrentData(); 
            return state.dateEnv.toDate(state.currentDate); 
        }; 
        // Date Formatting Utils 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.formatDate = function (d, formatter) { 
            var dateEnv = this.getCurrentData().dateEnv; 
            return dateEnv.format(dateEnv.createMarker(d), createFormatter(formatter)); 
        }; 
        // `settings` is for formatter AND isEndExclusive 
        CalendarApi.prototype.formatRange = function (d0, d1, settings) { 
            var dateEnv = this.getCurrentData().dateEnv; 
            return dateEnv.formatRange(dateEnv.createMarker(d0), dateEnv.createMarker(d1), createFormatter(settings), settings); 
        }; 
        CalendarApi.prototype.formatIso = function (d, omitTime) { 
            var dateEnv = this.getCurrentData().dateEnv; 
            return dateEnv.formatIso(dateEnv.createMarker(d), { omitTime: omitTime }); 
        }; 
        // Date Selection / Event Selection / DayClick 
        // ----------------------------------------------------------------------------------------------------------------- 
        // this public method receives start/end dates in any format, with any timezone 
        // NOTE: args were changed from v3 
        CalendarApi.prototype.select = function (dateOrObj, endDate) { 
            var selectionInput; 
            if (endDate == null) { 
                if (dateOrObj.start != null) { 
                    selectionInput = dateOrObj; 
                } 
                else { 
                    selectionInput = { 
                        start: dateOrObj, 
                        end: null 
                    }; 
                } 
            } 
            else { 
                selectionInput = { 
                    start: dateOrObj, 
                    end: endDate 
                }; 
            } 
            var state = this.getCurrentData(); 
            var selection = parseDateSpan(selectionInput, state.dateEnv, createDuration({ days: 1 }) // TODO: cache this? 
            ); 
            if (selection) { // throw parse error otherwise? 
                this.dispatch({ type: 'SELECT_DATES', selection: selection }); 
                triggerDateSelect(selection, null, state); 
            } 
        }; 
        // public method 
        CalendarApi.prototype.unselect = function (pev) { 
            var state = this.getCurrentData(); 
            if (state.dateSelection) { 
                this.dispatch({ type: 'UNSELECT_DATES' }); 
                triggerDateUnselect(pev, state); 
            } 
        }; 
        // Public Events API 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.addEvent = function (eventInput, sourceInput) { 
            if (eventInput instanceof EventApi) { 
                var def = eventInput._def; 
                var instance = eventInput._instance; 
                var currentData = this.getCurrentData(); 
                // not already present? don't want to add an old snapshot 
                if (!currentData.eventStore.defs[def.defId]) { 
                    this.dispatch({ 
                        type: 'ADD_EVENTS', 
                        eventStore: eventTupleToStore({ def: def, instance: instance }) // TODO: better util for two args? 
                    }); 
                    this.triggerEventAdd(eventInput); 
                } 
                return eventInput; 
            } 
            var state = this.getCurrentData(); 
            var eventSource; 
            if (sourceInput instanceof EventSourceApi) { 
                eventSource = sourceInput.internalEventSource; 
            } 
            else if (typeof sourceInput === 'boolean') { 
                if (sourceInput) { // true. part of the first event source 
                    eventSource = hashValuesToArray(state.eventSources)[0]; 
                } 
            } 
            else if (sourceInput != null) { // an ID. accepts a number too 
                var sourceApi = this.getEventSourceById(sourceInput); // TODO: use an internal function 
                if (!sourceApi) { 
                    console.warn('Could not find an event source with ID "' + sourceInput + '"'); // TODO: test 
                    return null; 
                } 
                else { 
                    eventSource = sourceApi.internalEventSource; 
                } 
            } 
            var tuple = parseEvent(eventInput, eventSource, state, false); 
            if (tuple) { 
                var newEventApi = new EventApi(state, tuple.def, tuple.def.recurringDef ? null : tuple.instance); 
                this.dispatch({ 
                    type: 'ADD_EVENTS', 
                    eventStore: eventTupleToStore(tuple) 
                }); 
                this.triggerEventAdd(newEventApi); 
                return newEventApi; 
            } 
            return null; 
        }; 
        CalendarApi.prototype.triggerEventAdd = function (eventApi) { 
            var _this = this; 
            var emitter = this.getCurrentData().emitter; 
            emitter.trigger('eventAdd', { 
                event: eventApi, 
                relatedEvents: [], 
                revert: function () { 
                    _this.dispatch({ 
                        type: 'REMOVE_EVENTS', 
                        eventStore: eventApiToStore(eventApi) 
                    }); 
                } 
            }); 
        }; 
        // TODO: optimize 
        CalendarApi.prototype.getEventById = function (id) { 
            var state = this.getCurrentData(); 
            var _a = state.eventStore, defs = _a.defs, instances = _a.instances; 
            id = String(id); 
            for (var defId in defs) { 
                var def = defs[defId]; 
                if (def.publicId === id) { 
                    if (def.recurringDef) { 
                        return new EventApi(state, def, null); 
                    } 
                    else { 
                        for (var instanceId in instances) { 
                            var instance = instances[instanceId]; 
                            if (instance.defId === def.defId) { 
                                return new EventApi(state, def, instance); 
                            } 
                        } 
                    } 
                } 
            } 
            return null; 
        }; 
        CalendarApi.prototype.getEvents = function () { 
            var currentData = this.getCurrentData(); 
            return buildEventApis(currentData.eventStore, currentData); 
        }; 
        CalendarApi.prototype.removeAllEvents = function () { 
            this.dispatch({ type: 'REMOVE_ALL_EVENTS' }); 
        }; 
        // Public Event Sources API 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.getEventSources = function () { 
            var state = this.getCurrentData(); 
            var sourceHash = state.eventSources; 
            var sourceApis = []; 
            for (var internalId in sourceHash) { 
                sourceApis.push(new EventSourceApi(state, sourceHash[internalId])); 
            } 
            return sourceApis; 
        }; 
        CalendarApi.prototype.getEventSourceById = function (id) { 
            var state = this.getCurrentData(); 
            var sourceHash = state.eventSources; 
            id = String(id); 
            for (var sourceId in sourceHash) { 
                if (sourceHash[sourceId].publicId === id) { 
                    return new EventSourceApi(state, sourceHash[sourceId]); 
                } 
            } 
            return null; 
        }; 
        CalendarApi.prototype.addEventSource = function (sourceInput) { 
            var state = this.getCurrentData(); 
            if (sourceInput instanceof EventSourceApi) { 
                // not already present? don't want to add an old snapshot 
                if (!state.eventSources[sourceInput.internalEventSource.sourceId]) { 
                    this.dispatch({ 
                        type: 'ADD_EVENT_SOURCES', 
                        sources: [sourceInput.internalEventSource] 
                    }); 
                } 
                return sourceInput; 
            } 
            var eventSource = parseEventSource(sourceInput, state); 
            if (eventSource) { // TODO: error otherwise? 
                this.dispatch({ type: 'ADD_EVENT_SOURCES', sources: [eventSource] }); 
                return new EventSourceApi(state, eventSource); 
            } 
            return null; 
        }; 
        CalendarApi.prototype.removeAllEventSources = function () { 
            this.dispatch({ type: 'REMOVE_ALL_EVENT_SOURCES' }); 
        }; 
        CalendarApi.prototype.refetchEvents = function () { 
            this.dispatch({ type: 'FETCH_EVENT_SOURCES' }); 
        }; 
        // Scroll 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.scrollToTime = function (timeInput) { 
            var time = createDuration(timeInput); 
            if (time) { 
                this.trigger('_scrollRequest', { time: time }); 
            } 
        }; 
        return CalendarApi; 
    }()); 
 
    var EventApi = /** @class */ (function () { 
        // instance will be null if expressing a recurring event that has no current instances, 
        // OR if trying to validate an incoming external event that has no dates assigned 
        function EventApi(context, def, instance) { 
            this._context = context; 
            this._def = def; 
            this._instance = instance || null; 
        } 
        /* 
        TODO: make event struct more responsible for this 
        */ 
        EventApi.prototype.setProp = function (name, val) { 
            var _a, _b; 
            if (name in EVENT_DATE_REFINERS) { 
                console.warn("Could not set date-related prop 'name'. Use one of the date-related methods instead."); 
            } 
            else if (name in EVENT_NON_DATE_REFINERS) { 
                val = EVENT_NON_DATE_REFINERS[name](val); 
                this.mutate({ 
                    standardProps: (_a = {}, _a[name] = val, _a) 
                }); 
            } 
            else if (name in EVENT_UI_REFINERS) { 
                var ui = EVENT_UI_REFINERS[name](val); 
                if (name === 'color') { 
                    ui = { backgroundColor: val, borderColor: val }; 
                } 
                else if (name === 'editable') { 
                    ui = { startEditable: val, durationEditable: val }; 
                } 
                else { 
                    ui = (_b = {}, _b[name] = val, _b); 
                } 
                this.mutate({ 
                    standardProps: { ui: ui } 
                }); 
            } 
            else { 
                console.warn("Could not set prop '" + name + "'. Use setExtendedProp instead."); 
            } 
        }; 
        EventApi.prototype.setExtendedProp = function (name, val) { 
            var _a; 
            this.mutate({ 
                extendedProps: (_a = {}, _a[name] = val, _a) 
            }); 
        }; 
        EventApi.prototype.setStart = function (startInput, options) { 
            if (options === void 0) { options = {}; } 
            var dateEnv = this._context.dateEnv; 
            var start = dateEnv.createMarker(startInput); 
            if (start && this._instance) { // TODO: warning if parsed bad 
                var instanceRange = this._instance.range; 
                var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity); // what if parsed bad!? 
                if (options.maintainDuration) { 
                    this.mutate({ datesDelta: startDelta }); 
                } 
                else { 
                    this.mutate({ startDelta: startDelta }); 
                } 
            } 
        }; 
        EventApi.prototype.setEnd = function (endInput, options) { 
            if (options === void 0) { options = {}; } 
            var dateEnv = this._context.dateEnv; 
            var end; 
            if (endInput != null) { 
                end = dateEnv.createMarker(endInput); 
                if (!end) { 
                    return; // TODO: warning if parsed bad 
                } 
            } 
            if (this._instance) { 
                if (end) { 
                    var endDelta = diffDates(this._instance.range.end, end, dateEnv, options.granularity); 
                    this.mutate({ endDelta: endDelta }); 
                } 
                else { 
                    this.mutate({ standardProps: { hasEnd: false } }); 
                } 
            } 
        }; 
        EventApi.prototype.setDates = function (startInput, endInput, options) { 
            if (options === void 0) { options = {}; } 
            var dateEnv = this._context.dateEnv; 
            var standardProps = { allDay: options.allDay }; 
            var start = dateEnv.createMarker(startInput); 
            var end; 
            if (!start) { 
                return; // TODO: warning if parsed bad 
            } 
            if (endInput != null) { 
                end = dateEnv.createMarker(endInput); 
                if (!end) { // TODO: warning if parsed bad 
                    return; 
                } 
            } 
            if (this._instance) { 
                var instanceRange = this._instance.range; 
                // when computing the diff for an event being converted to all-day, 
                // compute diff off of the all-day values the way event-mutation does. 
                if (options.allDay === true) { 
                    instanceRange = computeAlignedDayRange(instanceRange); 
                } 
                var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity); 
                if (end) { 
                    var endDelta = diffDates(instanceRange.end, end, dateEnv, options.granularity); 
                    if (durationsEqual(startDelta, endDelta)) { 
                        this.mutate({ datesDelta: startDelta, standardProps: standardProps }); 
                    } 
                    else { 
                        this.mutate({ startDelta: startDelta, endDelta: endDelta, standardProps: standardProps }); 
                    } 
                } 
                else { // means "clear the end" 
                    standardProps.hasEnd = false; 
                    this.mutate({ datesDelta: startDelta, standardProps: standardProps }); 
                } 
            } 
        }; 
        EventApi.prototype.moveStart = function (deltaInput) { 
            var delta = createDuration(deltaInput); 
            if (delta) { // TODO: warning if parsed bad 
                this.mutate({ startDelta: delta }); 
            } 
        }; 
        EventApi.prototype.moveEnd = function (deltaInput) { 
            var delta = createDuration(deltaInput); 
            if (delta) { // TODO: warning if parsed bad 
                this.mutate({ endDelta: delta }); 
            } 
        }; 
        EventApi.prototype.moveDates = function (deltaInput) { 
            var delta = createDuration(deltaInput); 
            if (delta) { // TODO: warning if parsed bad 
                this.mutate({ datesDelta: delta }); 
            } 
        }; 
        EventApi.prototype.setAllDay = function (allDay, options) { 
            if (options === void 0) { options = {}; } 
            var standardProps = { allDay: allDay }; 
            var maintainDuration = options.maintainDuration; 
            if (maintainDuration == null) { 
                maintainDuration = this._context.options.allDayMaintainDuration; 
            } 
            if (this._def.allDay !== allDay) { 
                standardProps.hasEnd = maintainDuration; 
            } 
            this.mutate({ standardProps: standardProps }); 
        }; 
        EventApi.prototype.formatRange = function (formatInput) { 
            var dateEnv = this._context.dateEnv; 
            var instance = this._instance; 
            var formatter = createFormatter(formatInput); 
            if (this._def.hasEnd) { 
                return dateEnv.formatRange(instance.range.start, instance.range.end, formatter, { 
                    forcedStartTzo: instance.forcedStartTzo, 
                    forcedEndTzo: instance.forcedEndTzo 
                }); 
            } 
            else { 
                return dateEnv.format(instance.range.start, formatter, { 
                    forcedTzo: instance.forcedStartTzo 
                }); 
            } 
        }; 
        EventApi.prototype.mutate = function (mutation) { 
            var instance = this._instance; 
            if (instance) { 
                var def = this._def; 
                var context_1 = this._context; 
                var eventStore = context_1.getCurrentData().eventStore; 
                var relevantEvents_1 = getRelevantEvents(eventStore, instance.instanceId); 
                var eventConfigBase = { 
                    '': { 
                        display: '', 
                        startEditable: true, 
                        durationEditable: true, 
                        constraints: [], 
                        overlap: null, 
                        allows: [], 
                        backgroundColor: '', 
                        borderColor: '', 
                        textColor: '', 
                        classNames: [] 
                    } 
                }; 
                relevantEvents_1 = applyMutationToEventStore(relevantEvents_1, eventConfigBase, mutation, context_1); 
                var oldEvent = new EventApi(context_1, def, instance); // snapshot 
                this._def = relevantEvents_1.defs[def.defId]; 
                this._instance = relevantEvents_1.instances[instance.instanceId]; 
                context_1.dispatch({ 
                    type: 'MERGE_EVENTS', 
                    eventStore: relevantEvents_1 
                }); 
                context_1.emitter.trigger('eventChange', { 
                    oldEvent: oldEvent, 
                    event: this, 
                    relatedEvents: buildEventApis(relevantEvents_1, context_1, instance), 
                    revert: function () { 
                        context_1.dispatch({ 
                            type: 'REMOVE_EVENTS', 
                            eventStore: relevantEvents_1 
                        }); 
                    } 
                }); 
            } 
        }; 
        EventApi.prototype.remove = function () { 
            var context = this._context; 
            var asStore = eventApiToStore(this); 
            context.dispatch({ 
                type: 'REMOVE_EVENTS', 
                eventStore: asStore 
            }); 
            context.emitter.trigger('eventRemove', { 
                event: this, 
                relatedEvents: [], 
                revert: function () { 
                    context.dispatch({ 
                        type: 'MERGE_EVENTS', 
                        eventStore: asStore 
                    }); 
                } 
            }); 
        }; 
        Object.defineProperty(EventApi.prototype, "source", { 
            get: function () { 
                var sourceId = this._def.sourceId; 
                if (sourceId) { 
                    return new EventSourceApi(this._context, this._context.getCurrentData().eventSources[sourceId]); 
                } 
                return null; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "start", { 
            get: function () { 
                return this._instance ? 
                    this._context.dateEnv.toDate(this._instance.range.start) : 
                    null; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "end", { 
            get: function () { 
                return (this._instance && this._def.hasEnd) ? 
                    this._context.dateEnv.toDate(this._instance.range.end) : 
                    null; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "startStr", { 
            get: function () { 
                var instance = this._instance; 
                if (instance) { 
                    return this._context.dateEnv.formatIso(instance.range.start, { 
                        omitTime: this._def.allDay, 
                        forcedTzo: instance.forcedStartTzo 
                    }); 
                } 
                return ''; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "endStr", { 
            get: function () { 
                var instance = this._instance; 
                if (instance && this._def.hasEnd) { 
                    return this._context.dateEnv.formatIso(instance.range.end, { 
                        omitTime: this._def.allDay, 
                        forcedTzo: instance.forcedEndTzo 
                    }); 
                } 
                return ''; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "id", { 
            // computable props that all access the def 
            // TODO: find a TypeScript-compatible way to do this at scale 
            get: function () { return this._def.publicId; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "groupId", { 
            get: function () { return this._def.groupId; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "allDay", { 
            get: function () { return this._def.allDay; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "title", { 
            get: function () { return this._def.title; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "url", { 
            get: function () { return this._def.url; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "display", { 
            get: function () { return this._def.ui.display || 'auto'; } // bad. just normalize the type earlier 
            , 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "startEditable", { 
            get: function () { return this._def.ui.startEditable; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "durationEditable", { 
            get: function () { return this._def.ui.durationEditable; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "constraint", { 
            get: function () { return this._def.ui.constraints[0] || null; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "overlap", { 
            get: function () { return this._def.ui.overlap; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "allow", { 
            get: function () { return this._def.ui.allows[0] || null; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "backgroundColor", { 
            get: function () { return this._def.ui.backgroundColor; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "borderColor", { 
            get: function () { return this._def.ui.borderColor; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "textColor", { 
            get: function () { return this._def.ui.textColor; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "classNames", { 
            // NOTE: user can't modify these because Object.freeze was called in event-def parsing 
            get: function () { return this._def.ui.classNames; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "extendedProps", { 
            get: function () { return this._def.extendedProps; }, 
            enumerable: false, 
            configurable: true 
        }); 
        EventApi.prototype.toPlainObject = function (settings) { 
            if (settings === void 0) { settings = {}; } 
            var def = this._def; 
            var ui = def.ui; 
            var _a = this, startStr = _a.startStr, endStr = _a.endStr; 
            var res = {}; 
            if (def.title) { 
                res.title = def.title; 
            } 
            if (startStr) { 
                res.start = startStr; 
            } 
            if (endStr) { 
                res.end = endStr; 
            } 
            if (def.publicId) { 
                res.id = def.publicId; 
            } 
            if (def.groupId) { 
                res.groupId = def.groupId; 
            } 
            if (def.url) { 
                res.url = def.url; 
            } 
            if (ui.display && ui.display !== 'auto') { 
                res.display = ui.display; 
            } 
            // TODO: what about recurring-event properties??? 
            // TODO: include startEditable/durationEditable/constraint/overlap/allow 
            if (settings.collapseColor && ui.backgroundColor && ui.backgroundColor === ui.borderColor) { 
                res.color = ui.backgroundColor; 
            } 
            else { 
                if (ui.backgroundColor) { 
                    res.backgroundColor = ui.backgroundColor; 
                } 
                if (ui.borderColor) { 
                    res.borderColor = ui.borderColor; 
                } 
            } 
            if (ui.textColor) { 
                res.textColor = ui.textColor; 
            } 
            if (ui.classNames.length) { 
                res.classNames = ui.classNames; 
            } 
            if (Object.keys(def.extendedProps).length) { 
                if (settings.collapseExtendedProps) { 
                    __assign(res, def.extendedProps); 
                } 
                else { 
                    res.extendedProps = def.extendedProps; 
                } 
            } 
            return res; 
        }; 
        EventApi.prototype.toJSON = function () { 
            return this.toPlainObject(); 
        }; 
        return EventApi; 
    }()); 
    function eventApiToStore(eventApi) { 
        var _a, _b; 
        var def = eventApi._def; 
        var instance = eventApi._instance; 
        return { 
            defs: (_a = {}, _a[def.defId] = def, _a), 
            instances: instance 
                ? (_b = {}, _b[instance.instanceId] = instance, _b) : {} 
        }; 
    } 
    function buildEventApis(eventStore, context, excludeInstance) { 
        var defs = eventStore.defs, instances = eventStore.instances; 
        var eventApis = []; 
        var excludeInstanceId = excludeInstance ? excludeInstance.instanceId : ''; 
        for (var id in instances) { 
            var instance = instances[id]; 
            var def = defs[instance.defId]; 
            if (instance.instanceId !== excludeInstanceId) { 
                eventApis.push(new EventApi(context, def, instance)); 
            } 
        } 
        return eventApis; 
    } 
 
    var calendarSystemClassMap = {}; 
    function registerCalendarSystem(name, theClass) { 
        calendarSystemClassMap[name] = theClass; 
    } 
    function createCalendarSystem(name) { 
        return new calendarSystemClassMap[name](); 
    } 
    var GregorianCalendarSystem = /** @class */ (function () { 
        function GregorianCalendarSystem() { 
        } 
        GregorianCalendarSystem.prototype.getMarkerYear = function (d) { 
            return d.getUTCFullYear(); 
        }; 
        GregorianCalendarSystem.prototype.getMarkerMonth = function (d) { 
            return d.getUTCMonth(); 
        }; 
        GregorianCalendarSystem.prototype.getMarkerDay = function (d) { 
            return d.getUTCDate(); 
        }; 
        GregorianCalendarSystem.prototype.arrayToMarker = function (arr) { 
            return arrayToUtcDate(arr); 
        }; 
        GregorianCalendarSystem.prototype.markerToArray = function (marker) { 
            return dateToUtcArray(marker); 
        }; 
        return GregorianCalendarSystem; 
    }()); 
    registerCalendarSystem('gregory', GregorianCalendarSystem); 
 
    var ISO_RE = /^\s*(\d{4})(-(\d{2})(-(\d{2})([T ](\d{2}):(\d{2})(:(\d{2})(\.(\d+))?)?(Z|(([-+])(\d{2})(:?(\d{2}))?))?)?)?)?$/; 
    function parse(str) { 
        var m = ISO_RE.exec(str); 
        if (m) { 
            var marker = new Date(Date.UTC(Number(m[1]), m[3] ? Number(m[3]) - 1 : 0, Number(m[5] || 1), Number(m[7] || 0), Number(m[8] || 0), Number(m[10] || 0), m[12] ? Number('0.' + m[12]) * 1000 : 0)); 
            if (isValidDate(marker)) { 
                var timeZoneOffset = null; 
                if (m[13]) { 
                    timeZoneOffset = (m[15] === '-' ? -1 : 1) * (Number(m[16] || 0) * 60 + 
                        Number(m[18] || 0)); 
                } 
                return { 
                    marker: marker, 
                    isTimeUnspecified: !m[6], 
                    timeZoneOffset: timeZoneOffset 
                }; 
            } 
        } 
        return null; 
    } 
 
    var DateEnv = /** @class */ (function () { 
        function DateEnv(settings) { 
            var timeZone = this.timeZone = settings.timeZone; 
            var isNamedTimeZone = timeZone !== 'local' && timeZone !== 'UTC'; 
            if (settings.namedTimeZoneImpl && isNamedTimeZone) { 
                this.namedTimeZoneImpl = new settings.namedTimeZoneImpl(timeZone); 
            } 
            this.canComputeOffset = Boolean(!isNamedTimeZone || this.namedTimeZoneImpl); 
            this.calendarSystem = createCalendarSystem(settings.calendarSystem); 
            this.locale = settings.locale; 
            this.weekDow = settings.locale.week.dow; 
            this.weekDoy = settings.locale.week.doy; 
            if (settings.weekNumberCalculation === 'ISO') { 
                this.weekDow = 1; 
                this.weekDoy = 4; 
            } 
            if (typeof settings.firstDay === 'number') { 
                this.weekDow = settings.firstDay; 
            } 
            if (typeof settings.weekNumberCalculation === 'function') { 
                this.weekNumberFunc = settings.weekNumberCalculation; 
            } 
            this.weekText = settings.weekText != null ? settings.weekText : settings.locale.options.weekText; 
            this.cmdFormatter = settings.cmdFormatter; 
            this.defaultSeparator = settings.defaultSeparator; 
        } 
        // Creating / Parsing 
        DateEnv.prototype.createMarker = function (input) { 
            var meta = this.createMarkerMeta(input); 
            if (meta === null) { 
                return null; 
            } 
            return meta.marker; 
        }; 
        DateEnv.prototype.createNowMarker = function () { 
            if (this.canComputeOffset) { 
                return this.timestampToMarker(new Date().valueOf()); 
            } 
            else { 
                // if we can't compute the current date val for a timezone, 
                // better to give the current local date vals than UTC 
                return arrayToUtcDate(dateToLocalArray(new Date())); 
            } 
        }; 
        DateEnv.prototype.createMarkerMeta = function (input) { 
            if (typeof input === 'string') { 
                return this.parse(input); 
            } 
            var marker = null; 
            if (typeof input === 'number') { 
                marker = this.timestampToMarker(input); 
            } 
            else if (input instanceof Date) { 
                input = input.valueOf(); 
                if (!isNaN(input)) { 
                    marker = this.timestampToMarker(input); 
                } 
            } 
            else if (Array.isArray(input)) { 
                marker = arrayToUtcDate(input); 
            } 
            if (marker === null || !isValidDate(marker)) { 
                return null; 
            } 
            return { marker: marker, isTimeUnspecified: false, forcedTzo: null }; 
        }; 
        DateEnv.prototype.parse = function (s) { 
            var parts = parse(s); 
            if (parts === null) { 
                return null; 
            } 
            var marker = parts.marker; 
            var forcedTzo = null; 
            if (parts.timeZoneOffset !== null) { 
                if (this.canComputeOffset) { 
                    marker = this.timestampToMarker(marker.valueOf() - parts.timeZoneOffset * 60 * 1000); 
                } 
                else { 
                    forcedTzo = parts.timeZoneOffset; 
                } 
            } 
            return { marker: marker, isTimeUnspecified: parts.isTimeUnspecified, forcedTzo: forcedTzo }; 
        }; 
        // Accessors 
        DateEnv.prototype.getYear = function (marker) { 
            return this.calendarSystem.getMarkerYear(marker); 
        }; 
        DateEnv.prototype.getMonth = function (marker) { 
            return this.calendarSystem.getMarkerMonth(marker); 
        }; 
        // Adding / Subtracting 
        DateEnv.prototype.add = function (marker, dur) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[0] += dur.years; 
            a[1] += dur.months; 
            a[2] += dur.days; 
            a[6] += dur.milliseconds; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        DateEnv.prototype.subtract = function (marker, dur) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[0] -= dur.years; 
            a[1] -= dur.months; 
            a[2] -= dur.days; 
            a[6] -= dur.milliseconds; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        DateEnv.prototype.addYears = function (marker, n) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[0] += n; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        DateEnv.prototype.addMonths = function (marker, n) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[1] += n; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        // Diffing Whole Units 
        DateEnv.prototype.diffWholeYears = function (m0, m1) { 
            var calendarSystem = this.calendarSystem; 
            if (timeAsMs(m0) === timeAsMs(m1) && 
                calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1) && 
                calendarSystem.getMarkerMonth(m0) === calendarSystem.getMarkerMonth(m1)) { 
                return calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0); 
            } 
            return null; 
        }; 
        DateEnv.prototype.diffWholeMonths = function (m0, m1) { 
            var calendarSystem = this.calendarSystem; 
            if (timeAsMs(m0) === timeAsMs(m1) && 
                calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1)) { 
                return (calendarSystem.getMarkerMonth(m1) - calendarSystem.getMarkerMonth(m0)) + 
                    (calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0)) * 12; 
            } 
            return null; 
        }; 
        // Range / Duration 
        DateEnv.prototype.greatestWholeUnit = function (m0, m1) { 
            var n = this.diffWholeYears(m0, m1); 
            if (n !== null) { 
                return { unit: 'year', value: n }; 
            } 
            n = this.diffWholeMonths(m0, m1); 
            if (n !== null) { 
                return { unit: 'month', value: n }; 
            } 
            n = diffWholeWeeks(m0, m1); 
            if (n !== null) { 
                return { unit: 'week', value: n }; 
            } 
            n = diffWholeDays(m0, m1); 
            if (n !== null) { 
                return { unit: 'day', value: n }; 
            } 
            n = diffHours(m0, m1); 
            if (isInt(n)) { 
                return { unit: 'hour', value: n }; 
            } 
            n = diffMinutes(m0, m1); 
            if (isInt(n)) { 
                return { unit: 'minute', value: n }; 
            } 
            n = diffSeconds(m0, m1); 
            if (isInt(n)) { 
                return { unit: 'second', value: n }; 
            } 
            return { unit: 'millisecond', value: m1.valueOf() - m0.valueOf() }; 
        }; 
        DateEnv.prototype.countDurationsBetween = function (m0, m1, d) { 
            // TODO: can use greatestWholeUnit 
            var diff; 
            if (d.years) { 
                diff = this.diffWholeYears(m0, m1); 
                if (diff !== null) { 
                    return diff / asRoughYears(d); 
                } 
            } 
            if (d.months) { 
                diff = this.diffWholeMonths(m0, m1); 
                if (diff !== null) { 
                    return diff / asRoughMonths(d); 
                } 
            } 
            if (d.days) { 
                diff = diffWholeDays(m0, m1); 
                if (diff !== null) { 
                    return diff / asRoughDays(d); 
                } 
            } 
            return (m1.valueOf() - m0.valueOf()) / asRoughMs(d); 
        }; 
        // Start-Of 
        // these DON'T return zoned-dates. only UTC start-of dates 
        DateEnv.prototype.startOf = function (m, unit) { 
            if (unit === 'year') { 
                return this.startOfYear(m); 
            } 
            else if (unit === 'month') { 
                return this.startOfMonth(m); 
            } 
            else if (unit === 'week') { 
                return this.startOfWeek(m); 
            } 
            else if (unit === 'day') { 
                return startOfDay(m); 
            } 
            else if (unit === 'hour') { 
                return startOfHour(m); 
            } 
            else if (unit === 'minute') { 
                return startOfMinute(m); 
            } 
            else if (unit === 'second') { 
                return startOfSecond(m); 
            } 
        }; 
        DateEnv.prototype.startOfYear = function (m) { 
            return this.calendarSystem.arrayToMarker([ 
                this.calendarSystem.getMarkerYear(m) 
            ]); 
        }; 
        DateEnv.prototype.startOfMonth = function (m) { 
            return this.calendarSystem.arrayToMarker([ 
                this.calendarSystem.getMarkerYear(m), 
                this.calendarSystem.getMarkerMonth(m) 
            ]); 
        }; 
        DateEnv.prototype.startOfWeek = function (m) { 
            return this.calendarSystem.arrayToMarker([ 
                this.calendarSystem.getMarkerYear(m), 
                this.calendarSystem.getMarkerMonth(m), 
                m.getUTCDate() - ((m.getUTCDay() - this.weekDow + 7) % 7) 
            ]); 
        }; 
        // Week Number 
        DateEnv.prototype.computeWeekNumber = function (marker) { 
            if (this.weekNumberFunc) { 
                return this.weekNumberFunc(this.toDate(marker)); 
            } 
            else { 
                return weekOfYear(marker, this.weekDow, this.weekDoy); 
            } 
        }; 
        // TODO: choke on timeZoneName: long 
        DateEnv.prototype.format = function (marker, formatter, dateOptions) { 
            if (dateOptions === void 0) { dateOptions = {}; } 
            return formatter.format({ 
                marker: marker, 
                timeZoneOffset: dateOptions.forcedTzo != null ? 
                    dateOptions.forcedTzo : 
                    this.offsetForMarker(marker) 
            }, this); 
        }; 
        DateEnv.prototype.formatRange = function (start, end, formatter, dateOptions) { 
            if (dateOptions === void 0) { dateOptions = {}; } 
            if (dateOptions.isEndExclusive) { 
                end = addMs(end, -1); 
            } 
            return formatter.formatRange({ 
                marker: start, 
                timeZoneOffset: dateOptions.forcedStartTzo != null ? 
                    dateOptions.forcedStartTzo : 
                    this.offsetForMarker(start) 
            }, { 
                marker: end, 
                timeZoneOffset: dateOptions.forcedEndTzo != null ? 
                    dateOptions.forcedEndTzo : 
                    this.offsetForMarker(end) 
            }, this, dateOptions.defaultSeparator); 
        }; 
        /* 
        DUMB: the omitTime arg is dumb. if we omit the time, we want to omit the timezone offset. and if we do that, 
        might as well use buildIsoString or some other util directly 
        */ 
        DateEnv.prototype.formatIso = function (marker, extraOptions) { 
            if (extraOptions === void 0) { extraOptions = {}; } 
            var timeZoneOffset = null; 
            if (!extraOptions.omitTimeZoneOffset) { 
                if (extraOptions.forcedTzo != null) { 
                    timeZoneOffset = extraOptions.forcedTzo; 
                } 
                else { 
                    timeZoneOffset = this.offsetForMarker(marker); 
                } 
            } 
            return buildIsoString(marker, timeZoneOffset, extraOptions.omitTime); 
        }; 
        // TimeZone 
        DateEnv.prototype.timestampToMarker = function (ms) { 
            if (this.timeZone === 'local') { 
                return arrayToUtcDate(dateToLocalArray(new Date(ms))); 
            } 
            else if (this.timeZone === 'UTC' || !this.namedTimeZoneImpl) { 
                return new Date(ms); 
            } 
            else { 
                return arrayToUtcDate(this.namedTimeZoneImpl.timestampToArray(ms)); 
            } 
        }; 
        DateEnv.prototype.offsetForMarker = function (m) { 
            if (this.timeZone === 'local') { 
                return -arrayToLocalDate(dateToUtcArray(m)).getTimezoneOffset(); // convert "inverse" offset to "normal" offset 
            } 
            else if (this.timeZone === 'UTC') { 
                return 0; 
            } 
            else if (this.namedTimeZoneImpl) { 
                return this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m)); 
            } 
            return null; 
        }; 
        // Conversion 
        DateEnv.prototype.toDate = function (m, forcedTzo) { 
            if (this.timeZone === 'local') { 
                return arrayToLocalDate(dateToUtcArray(m)); 
            } 
            else if (this.timeZone === 'UTC') { 
                return new Date(m.valueOf()); // make sure it's a copy 
            } 
            else if (!this.namedTimeZoneImpl) { 
                return new Date(m.valueOf() - (forcedTzo || 0)); 
            } 
            else { 
                return new Date(m.valueOf() - 
                    this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m)) * 1000 * 60 // convert minutes -> ms 
                ); 
            } 
        }; 
        return DateEnv; 
    }()); 
 
    var globalLocales = []; 
 
    var RAW_EN_LOCALE = { 
        code: 'en', 
        week: { 
            dow: 0, 
            doy: 4 // 4 days need to be within the year to be considered the first week 
        }, 
        direction: 'ltr', 
        buttonText: { 
            prev: 'prev', 
            next: 'next', 
            prevYear: 'prev year', 
            nextYear: 'next year', 
            year: 'year', 
            today: 'today', 
            month: 'month', 
            week: 'week', 
            day: 'day', 
            list: 'list' 
        }, 
        weekText: 'W', 
        allDayText: 'all-day', 
        moreLinkText: 'more', 
        noEventsText: 'No events to display' 
    }; 
    function organizeRawLocales(explicitRawLocales) { 
        var defaultCode = explicitRawLocales.length > 0 ? explicitRawLocales[0].code : 'en'; 
        var allRawLocales = globalLocales.concat(explicitRawLocales); 
        var rawLocaleMap = { 
            en: RAW_EN_LOCALE // necessary? 
        }; 
        for (var _i = 0, allRawLocales_1 = allRawLocales; _i < allRawLocales_1.length; _i++) { 
            var rawLocale = allRawLocales_1[_i]; 
            rawLocaleMap[rawLocale.code] = rawLocale; 
        } 
        return { 
            map: rawLocaleMap, 
            defaultCode: defaultCode 
        }; 
    } 
    function buildLocale(inputSingular, available) { 
        if (typeof inputSingular === 'object' && !Array.isArray(inputSingular)) { 
            return parseLocale(inputSingular.code, [inputSingular.code], inputSingular); 
        } 
        else { 
            return queryLocale(inputSingular, available); 
        } 
    } 
    function queryLocale(codeArg, available) { 
        var codes = [].concat(codeArg || []); // will convert to array 
        var raw = queryRawLocale(codes, available) || RAW_EN_LOCALE; 
        return parseLocale(codeArg, codes, raw); 
    } 
    function queryRawLocale(codes, available) { 
        for (var i = 0; i < codes.length; i++) { 
            var parts = codes[i].toLocaleLowerCase().split('-'); 
            for (var j = parts.length; j > 0; j--) { 
                var simpleId = parts.slice(0, j).join('-'); 
                if (available[simpleId]) { 
                    return available[simpleId]; 
                } 
            } 
        } 
        return null; 
    } 
    function parseLocale(codeArg, codes, raw) { 
        var merged = mergeProps([RAW_EN_LOCALE, raw], ['buttonText']); 
        delete merged.code; // don't want this part of the options 
        var week = merged.week; 
        delete merged.week; 
        return { 
            codeArg: codeArg, 
            codes: codes, 
            week: week, 
            simpleNumberFormat: new Intl.NumberFormat(codeArg), 
            options: merged 
        }; 
    } 
 
    function formatDate(dateInput, options) { 
        if (options === void 0) { options = {}; } 
        var dateEnv = buildDateEnv(options); 
        var formatter = createFormatter(options); 
        var dateMeta = dateEnv.createMarkerMeta(dateInput); 
        if (!dateMeta) { // TODO: warning? 
            return ''; 
        } 
        return dateEnv.format(dateMeta.marker, formatter, { 
            forcedTzo: dateMeta.forcedTzo 
        }); 
    } 
    function formatRange(startInput, endInput, options // mixture of env and formatter settings 
    ) { 
        var dateEnv = buildDateEnv(typeof options === 'object' && options ? options : {}); // pass in if non-null object 
        var formatter = createFormatter(options); 
        var startMeta = dateEnv.createMarkerMeta(startInput); 
        var endMeta = dateEnv.createMarkerMeta(endInput); 
        if (!startMeta || !endMeta) { // TODO: warning? 
            return ''; 
        } 
        return dateEnv.formatRange(startMeta.marker, endMeta.marker, formatter, { 
            forcedStartTzo: startMeta.forcedTzo, 
            forcedEndTzo: endMeta.forcedTzo, 
            isEndExclusive: options.isEndExclusive, 
            defaultSeparator: BASE_OPTION_DEFAULTS.defaultRangeSeparator 
        }); 
    } 
    // TODO: more DRY and optimized 
    function buildDateEnv(settings) { 
        var locale = buildLocale(settings.locale || 'en', organizeRawLocales([]).map); // TODO: don't hardcode 'en' everywhere 
        return new DateEnv(__assign(__assign({ timeZone: BASE_OPTION_DEFAULTS.timeZone, calendarSystem: 'gregory' }, settings), { locale: locale })); 
    } 
 
    var DEF_DEFAULTS = { 
        startTime: '09:00', 
        endTime: '17:00', 
        daysOfWeek: [1, 2, 3, 4, 5], 
        display: 'inverse-background', 
        classNames: 'fc-non-business', 
        groupId: '_businessHours' // so multiple defs get grouped 
    }; 
    /* 
    TODO: pass around as EventDefHash!!! 
    */ 
    function parseBusinessHours(input, context) { 
        return parseEvents(refineInputs(input), null, context); 
    } 
    function refineInputs(input) { 
        var rawDefs; 
        if (input === true) { 
            rawDefs = [{}]; // will get DEF_DEFAULTS verbatim 
        } 
        else if (Array.isArray(input)) { 
            // if specifying an array, every sub-definition NEEDS a day-of-week 
            rawDefs = input.filter(function (rawDef) { 
                return rawDef.daysOfWeek; 
            }); 
        } 
        else if (typeof input === 'object' && input) { // non-null object 
            rawDefs = [input]; 
        } 
        else { // is probably false 
            rawDefs = []; 
        } 
        rawDefs = rawDefs.map(function (rawDef) { 
            return __assign(__assign({}, DEF_DEFAULTS), rawDef); 
        }); 
        return rawDefs; 
    } 
 
    function pointInsideRect(point, rect) { 
        return point.left >= rect.left && 
            point.left < rect.right && 
            point.top >= rect.top && 
            point.top < rect.bottom; 
    } 
    // Returns a new rectangle that is the intersection of the two rectangles. If they don't intersect, returns false 
    function intersectRects(rect1, rect2) { 
        var res = { 
            left: Math.max(rect1.left, rect2.left), 
            right: Math.min(rect1.right, rect2.right), 
            top: Math.max(rect1.top, rect2.top), 
            bottom: Math.min(rect1.bottom, rect2.bottom) 
        }; 
        if (res.left < res.right && res.top < res.bottom) { 
            return res; 
        } 
        return false; 
    } 
    function translateRect(rect, deltaX, deltaY) { 
        return { 
            left: rect.left + deltaX, 
            right: rect.right + deltaX, 
            top: rect.top + deltaY, 
            bottom: rect.bottom + deltaY 
        }; 
    } 
    // Returns a new point that will have been moved to reside within the given rectangle 
    function constrainPoint(point, rect) { 
        return { 
            left: Math.min(Math.max(point.left, rect.left), rect.right), 
            top: Math.min(Math.max(point.top, rect.top), rect.bottom) 
        }; 
    } 
    // Returns a point that is the center of the given rectangle 
    function getRectCenter(rect) { 
        return { 
            left: (rect.left + rect.right) / 2, 
            top: (rect.top + rect.bottom) / 2 
        }; 
    } 
    // Subtracts point2's coordinates from point1's coordinates, returning a delta 
    function diffPoints(point1, point2) { 
        return { 
            left: point1.left - point2.left, 
            top: point1.top - point2.top 
        }; 
    } 
 
    var EMPTY_EVENT_STORE = createEmptyEventStore(); // for purecomponents. TODO: keep elsewhere 
    var Splitter = /** @class */ (function () { 
        function Splitter() { 
            this.getKeysForEventDefs = memoize(this._getKeysForEventDefs); 
            this.splitDateSelection = memoize(this._splitDateSpan); 
            this.splitEventStore = memoize(this._splitEventStore); 
            this.splitIndividualUi = memoize(this._splitIndividualUi); 
            this.splitEventDrag = memoize(this._splitInteraction); 
            this.splitEventResize = memoize(this._splitInteraction); 
            this.eventUiBuilders = {}; // TODO: typescript protection 
        } 
        Splitter.prototype.splitProps = function (props) { 
            var _this = this; 
            var keyInfos = this.getKeyInfo(props); 
            var defKeys = this.getKeysForEventDefs(props.eventStore); 
            var dateSelections = this.splitDateSelection(props.dateSelection); 
            var individualUi = this.splitIndividualUi(props.eventUiBases, defKeys); // the individual *bases* 
            var eventStores = this.splitEventStore(props.eventStore, defKeys); 
            var eventDrags = this.splitEventDrag(props.eventDrag); 
            var eventResizes = this.splitEventResize(props.eventResize); 
            var splitProps = {}; 
            this.eventUiBuilders = mapHash(keyInfos, function (info, key) { 
                return _this.eventUiBuilders[key] || memoize(buildEventUiForKey); 
            }); 
            for (var key in keyInfos) { 
                var keyInfo = keyInfos[key]; 
                var eventStore = eventStores[key] || EMPTY_EVENT_STORE; 
                var buildEventUi = this.eventUiBuilders[key]; 
                splitProps[key] = { 
                    businessHours: keyInfo.businessHours || props.businessHours, 
                    dateSelection: dateSelections[key] || null, 
                    eventStore: eventStore, 
                    eventUiBases: buildEventUi(props.eventUiBases[''], keyInfo.ui, individualUi[key]), 
                    eventSelection: eventStore.instances[props.eventSelection] ? props.eventSelection : '', 
                    eventDrag: eventDrags[key] || null, 
                    eventResize: eventResizes[key] || null 
                }; 
            } 
            return splitProps; 
        }; 
        Splitter.prototype._splitDateSpan = function (dateSpan) { 
            var dateSpans = {}; 
            if (dateSpan) { 
                var keys = this.getKeysForDateSpan(dateSpan); 
                for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) { 
                    var key = keys_1[_i]; 
                    dateSpans[key] = dateSpan; 
                } 
            } 
            return dateSpans; 
        }; 
        Splitter.prototype._getKeysForEventDefs = function (eventStore) { 
            var _this = this; 
            return mapHash(eventStore.defs, function (eventDef) { 
                return _this.getKeysForEventDef(eventDef); 
            }); 
        }; 
        Splitter.prototype._splitEventStore = function (eventStore, defKeys) { 
            var defs = eventStore.defs, instances = eventStore.instances; 
            var splitStores = {}; 
            for (var defId in defs) { 
                for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) { 
                    var key = _a[_i]; 
                    if (!splitStores[key]) { 
                        splitStores[key] = createEmptyEventStore(); 
                    } 
                    splitStores[key].defs[defId] = defs[defId]; 
                } 
            } 
            for (var instanceId in instances) { 
                var instance = instances[instanceId]; 
                for (var _b = 0, _c = defKeys[instance.defId]; _b < _c.length; _b++) { 
                    var key = _c[_b]; 
                    if (splitStores[key]) { // must have already been created 
                        splitStores[key].instances[instanceId] = instance; 
                    } 
                } 
            } 
            return splitStores; 
        }; 
        Splitter.prototype._splitIndividualUi = function (eventUiBases, defKeys) { 
            var splitHashes = {}; 
            for (var defId in eventUiBases) { 
                if (defId) { // not the '' key 
                    for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) { 
                        var key = _a[_i]; 
                        if (!splitHashes[key]) { 
                            splitHashes[key] = {}; 
                        } 
                        splitHashes[key][defId] = eventUiBases[defId]; 
                    } 
                } 
            } 
            return splitHashes; 
        }; 
        Splitter.prototype._splitInteraction = function (interaction) { 
            var splitStates = {}; 
            if (interaction) { 
                var affectedStores_1 = this._splitEventStore(interaction.affectedEvents, this._getKeysForEventDefs(interaction.affectedEvents) // can't use cached. might be events from other calendar 
                ); 
                // can't rely on defKeys because event data is mutated 
                var mutatedKeysByDefId = this._getKeysForEventDefs(interaction.mutatedEvents); 
                var mutatedStores_1 = this._splitEventStore(interaction.mutatedEvents, mutatedKeysByDefId); 
                var populate = function (key) { 
                    if (!splitStates[key]) { 
                        splitStates[key] = { 
                            affectedEvents: affectedStores_1[key] || EMPTY_EVENT_STORE, 
                            mutatedEvents: mutatedStores_1[key] || EMPTY_EVENT_STORE, 
                            isEvent: interaction.isEvent 
                        }; 
                    } 
                }; 
                for (var key in affectedStores_1) { 
                    populate(key); 
                } 
                for (var key in mutatedStores_1) { 
                    populate(key); 
                } 
            } 
            return splitStates; 
        }; 
        return Splitter; 
    }()); 
    function buildEventUiForKey(allUi, eventUiForKey, individualUi) { 
        var baseParts = []; 
        if (allUi) { 
            baseParts.push(allUi); 
        } 
        if (eventUiForKey) { 
            baseParts.push(eventUiForKey); 
        } 
        var stuff = { 
            '': combineEventUis(baseParts) 
        }; 
        if (individualUi) { 
            __assign(stuff, individualUi); 
        } 
        return stuff; 
    } 
 
    function getDateMeta(date, todayRange, nowDate, dateProfile) { 
        return { 
            dow: date.getUTCDay(), 
            isDisabled: Boolean(dateProfile && !rangeContainsMarker(dateProfile.activeRange, date)), 
            isOther: Boolean(dateProfile && !rangeContainsMarker(dateProfile.currentRange, date)), 
            isToday: Boolean(todayRange && rangeContainsMarker(todayRange, date)), 
            isPast: Boolean(nowDate ? (date < nowDate) : todayRange ? (date < todayRange.start) : false), 
            isFuture: Boolean(nowDate ? (date > nowDate) : todayRange ? (date >= todayRange.end) : false) 
        }; 
    } 
    function getDayClassNames(meta, theme) { 
        var classNames = [ 
            'fc-day', 
            'fc-day-' + DAY_IDS[meta.dow] 
        ]; 
        if (meta.isDisabled) { 
            classNames.push('fc-day-disabled'); 
        } 
        else { 
            if (meta.isToday) { 
                classNames.push('fc-day-today'); 
                classNames.push(theme.getClass('today')); 
            } 
            if (meta.isPast) { 
                classNames.push('fc-day-past'); 
            } 
            if (meta.isFuture) { 
                classNames.push('fc-day-future'); 
            } 
            if (meta.isOther) { 
                classNames.push('fc-day-other'); 
            } 
        } 
        return classNames; 
    } 
    function getSlotClassNames(meta, theme) { 
        var classNames = [ 
            'fc-slot', 
            'fc-slot-' + DAY_IDS[meta.dow] 
        ]; 
        if (meta.isDisabled) { 
            classNames.push('fc-slot-disabled'); 
        } 
        else { 
            if (meta.isToday) { 
                classNames.push('fc-slot-today'); 
                classNames.push(theme.getClass('today')); 
            } 
            if (meta.isPast) { 
                classNames.push('fc-slot-past'); 
            } 
            if (meta.isFuture) { 
                classNames.push('fc-slot-future'); 
            } 
        } 
        return classNames; 
    } 
 
    function buildNavLinkData(date, type) { 
        if (type === void 0) { type = 'day'; } 
        return JSON.stringify({ 
            date: formatDayString(date), 
            type: type 
        }); 
    } 
 
    var _isRtlScrollbarOnLeft = null; 
    function getIsRtlScrollbarOnLeft() { 
        if (_isRtlScrollbarOnLeft === null) { 
            _isRtlScrollbarOnLeft = computeIsRtlScrollbarOnLeft(); 
        } 
        return _isRtlScrollbarOnLeft; 
    } 
    function computeIsRtlScrollbarOnLeft() { 
        // TODO: use htmlToElement 
        var outerEl = document.createElement('div'); 
        applyStyle(outerEl, { 
            position: 'absolute', 
            top: -1000, 
            left: 0, 
            border: 0, 
            padding: 0, 
            overflow: 'scroll', 
            direction: 'rtl' 
        }); 
        outerEl.innerHTML = '<div></div>'; 
        document.body.appendChild(outerEl); 
        var innerEl = outerEl.firstChild; 
        var res = innerEl.getBoundingClientRect().left > outerEl.getBoundingClientRect().left; 
        removeElement(outerEl); 
        return res; 
    } 
 
    var _scrollbarWidths; 
    function getScrollbarWidths() { 
        if (!_scrollbarWidths) { 
            _scrollbarWidths = computeScrollbarWidths(); 
        } 
        return _scrollbarWidths; 
    } 
    function computeScrollbarWidths() { 
        var el = document.createElement('div'); 
        el.style.overflow = 'scroll'; 
        document.body.appendChild(el); 
        var res = computeScrollbarWidthsForEl(el); 
        document.body.removeChild(el); 
        return res; 
    } 
    // WARNING: will include border 
    function computeScrollbarWidthsForEl(el) { 
        return { 
            x: el.offsetHeight - el.clientHeight, 
            y: el.offsetWidth - el.clientWidth 
        }; 
    } 
 
    function computeEdges(el, getPadding) { 
        if (getPadding === void 0) { getPadding = false; } 
        var computedStyle = window.getComputedStyle(el); 
        var borderLeft = parseInt(computedStyle.borderLeftWidth, 10) || 0; 
        var borderRight = parseInt(computedStyle.borderRightWidth, 10) || 0; 
        var borderTop = parseInt(computedStyle.borderTopWidth, 10) || 0; 
        var borderBottom = parseInt(computedStyle.borderBottomWidth, 10) || 0; 
        var badScrollbarWidths = computeScrollbarWidthsForEl(el); // includes border! 
        var scrollbarLeftRight = badScrollbarWidths.y - borderLeft - borderRight; 
        var scrollbarBottom = badScrollbarWidths.x - borderTop - borderBottom; 
        var res = { 
            borderLeft: borderLeft, 
            borderRight: borderRight, 
            borderTop: borderTop, 
            borderBottom: borderBottom, 
            scrollbarBottom: scrollbarBottom, 
            scrollbarLeft: 0, 
            scrollbarRight: 0 
        }; 
        if (getIsRtlScrollbarOnLeft() && computedStyle.direction === 'rtl') { // is the scrollbar on the left side? 
            res.scrollbarLeft = scrollbarLeftRight; 
        } 
        else { 
            res.scrollbarRight = scrollbarLeftRight; 
        } 
        if (getPadding) { 
            res.paddingLeft = parseInt(computedStyle.paddingLeft, 10) || 0; 
            res.paddingRight = parseInt(computedStyle.paddingRight, 10) || 0; 
            res.paddingTop = parseInt(computedStyle.paddingTop, 10) || 0; 
            res.paddingBottom = parseInt(computedStyle.paddingBottom, 10) || 0; 
        } 
        return res; 
    } 
    function computeInnerRect(el, goWithinPadding, doFromWindowViewport) { 
        if (goWithinPadding === void 0) { goWithinPadding = false; } 
        var outerRect = doFromWindowViewport ? el.getBoundingClientRect() : computeRect(el); 
        var edges = computeEdges(el, goWithinPadding); 
        var res = { 
            left: outerRect.left + edges.borderLeft + edges.scrollbarLeft, 
            right: outerRect.right - edges.borderRight - edges.scrollbarRight, 
            top: outerRect.top + edges.borderTop, 
            bottom: outerRect.bottom - edges.borderBottom - edges.scrollbarBottom 
        }; 
        if (goWithinPadding) { 
            res.left += edges.paddingLeft; 
            res.right -= edges.paddingRight; 
            res.top += edges.paddingTop; 
            res.bottom -= edges.paddingBottom; 
        } 
        return res; 
    } 
    function computeRect(el) { 
        var rect = el.getBoundingClientRect(); 
        return { 
            left: rect.left + window.pageXOffset, 
            top: rect.top + window.pageYOffset, 
            right: rect.right + window.pageXOffset, 
            bottom: rect.bottom + window.pageYOffset 
        }; 
    } 
    function computeHeightAndMargins(el) { 
        return el.getBoundingClientRect().height + computeVMargins(el); 
    } 
    function computeVMargins(el) { 
        var computed = window.getComputedStyle(el); 
        return parseInt(computed.marginTop, 10) + 
            parseInt(computed.marginBottom, 10); 
    } 
    // does not return window 
    function getClippingParents(el) { 
        var parents = []; 
        while (el instanceof HTMLElement) { // will stop when gets to document or null 
            var computedStyle = window.getComputedStyle(el); 
            if (computedStyle.position === 'fixed') { 
                break; 
            } 
            if ((/(auto|scroll)/).test(computedStyle.overflow + computedStyle.overflowY + computedStyle.overflowX)) { 
                parents.push(el); 
            } 
            el = el.parentNode; 
        } 
        return parents; 
    } 
 
    // given a function that resolves a result asynchronously. 
    // the function can either call passed-in success and failure callbacks, 
    // or it can return a promise. 
    // if you need to pass additional params to func, bind them first. 
    function unpromisify(func, success, failure) { 
        // guard against success/failure callbacks being called more than once 
        // and guard against a promise AND callback being used together. 
        var isResolved = false; 
        var wrappedSuccess = function () { 
            if (!isResolved) { 
                isResolved = true; 
                success.apply(this, arguments); 
            } 
        }; 
        var wrappedFailure = function () { 
            if (!isResolved) { 
                isResolved = true; 
                if (failure) { 
                    failure.apply(this, arguments); 
                } 
            } 
        }; 
        var res = func(wrappedSuccess, wrappedFailure); 
        if (res && typeof res.then === 'function') { 
            res.then(wrappedSuccess, wrappedFailure); 
        } 
    } 
 
    var Emitter = /** @class */ (function () { 
        function Emitter() { 
            this.handlers = {}; 
            this.thisContext = null; 
        } 
        Emitter.prototype.setThisContext = function (thisContext) { 
            this.thisContext = thisContext; 
        }; 
        Emitter.prototype.setOptions = function (options) { 
            this.options = options; 
        }; 
        Emitter.prototype.on = function (type, handler) { 
            addToHash(this.handlers, type, handler); 
        }; 
        Emitter.prototype.off = function (type, handler) { 
            removeFromHash(this.handlers, type, handler); 
        }; 
        Emitter.prototype.trigger = function (type) { 
            var args = []; 
            for (var _i = 1; _i < arguments.length; _i++) { 
                args[_i - 1] = arguments[_i]; 
            } 
            var attachedHandlers = this.handlers[type] || []; 
            var optionHandler = this.options && this.options[type]; 
            var handlers = [].concat(optionHandler || [], attachedHandlers); 
            for (var _a = 0, handlers_1 = handlers; _a < handlers_1.length; _a++) { 
                var handler = handlers_1[_a]; 
                handler.apply(this.thisContext, args); 
            } 
        }; 
        Emitter.prototype.hasHandlers = function (type) { 
            return (this.handlers[type] && this.handlers[type].length) || 
                (this.options && this.options[type]); 
        }; 
        return Emitter; 
    }()); 
    function addToHash(hash, type, handler) { 
        (hash[type] || (hash[type] = [])) 
            .push(handler); 
    } 
    function removeFromHash(hash, type, handler) { 
        if (handler) { 
            if (hash[type]) { 
                hash[type] = hash[type].filter(function (func) { 
                    return func !== handler; 
                }); 
            } 
        } 
        else { 
            delete hash[type]; // remove all handler funcs for this type 
        } 
    } 
 
    /* 
    Records offset information for a set of elements, relative to an origin element. 
    Can record the left/right OR the top/bottom OR both. 
    Provides methods for querying the cache by position. 
    */ 
    var PositionCache = /** @class */ (function () { 
        function PositionCache(originEl, els, isHorizontal, isVertical) { 
            this.els = els; 
            var originClientRect = this.originClientRect = originEl.getBoundingClientRect(); // relative to viewport top-left 
            if (isHorizontal) { 
                this.buildElHorizontals(originClientRect.left); 
            } 
            if (isVertical) { 
                this.buildElVerticals(originClientRect.top); 
            } 
        } 
        // Populates the left/right internal coordinate arrays 
        PositionCache.prototype.buildElHorizontals = function (originClientLeft) { 
            var lefts = []; 
            var rights = []; 
            for (var _i = 0, _a = this.els; _i < _a.length; _i++) { 
                var el = _a[_i]; 
                var rect = el.getBoundingClientRect(); 
                lefts.push(rect.left - originClientLeft); 
                rights.push(rect.right - originClientLeft); 
            } 
            this.lefts = lefts; 
            this.rights = rights; 
        }; 
        // Populates the top/bottom internal coordinate arrays 
        PositionCache.prototype.buildElVerticals = function (originClientTop) { 
            var tops = []; 
            var bottoms = []; 
            for (var _i = 0, _a = this.els; _i < _a.length; _i++) { 
                var el = _a[_i]; 
                var rect = el.getBoundingClientRect(); 
                tops.push(rect.top - originClientTop); 
                bottoms.push(rect.bottom - originClientTop); 
            } 
            this.tops = tops; 
            this.bottoms = bottoms; 
        }; 
        // Given a left offset (from document left), returns the index of the el that it horizontally intersects. 
        // If no intersection is made, returns undefined. 
        PositionCache.prototype.leftToIndex = function (leftPosition) { 
            var lefts = this.lefts; 
            var rights = this.rights; 
            var len = lefts.length; 
            var i; 
            for (i = 0; i < len; i++) { 
                if (leftPosition >= lefts[i] && leftPosition < rights[i]) { 
                    return i; 
                } 
            } 
        }; 
        // Given a top offset (from document top), returns the index of the el that it vertically intersects. 
        // If no intersection is made, returns undefined. 
        PositionCache.prototype.topToIndex = function (topPosition) { 
            var tops = this.tops; 
            var bottoms = this.bottoms; 
            var len = tops.length; 
            var i; 
            for (i = 0; i < len; i++) { 
                if (topPosition >= tops[i] && topPosition < bottoms[i]) { 
                    return i; 
                } 
            } 
        }; 
        // Gets the width of the element at the given index 
        PositionCache.prototype.getWidth = function (leftIndex) { 
            return this.rights[leftIndex] - this.lefts[leftIndex]; 
        }; 
        // Gets the height of the element at the given index 
        PositionCache.prototype.getHeight = function (topIndex) { 
            return this.bottoms[topIndex] - this.tops[topIndex]; 
        }; 
        return PositionCache; 
    }()); 
 
    /* 
    An object for getting/setting scroll-related information for an element. 
    Internally, this is done very differently for window versus DOM element, 
    so this object serves as a common interface. 
    */ 
    var ScrollController = /** @class */ (function () { 
        function ScrollController() { 
        } 
        ScrollController.prototype.getMaxScrollTop = function () { 
            return this.getScrollHeight() - this.getClientHeight(); 
        }; 
        ScrollController.prototype.getMaxScrollLeft = function () { 
            return this.getScrollWidth() - this.getClientWidth(); 
        }; 
        ScrollController.prototype.canScrollVertically = function () { 
            return this.getMaxScrollTop() > 0; 
        }; 
        ScrollController.prototype.canScrollHorizontally = function () { 
            return this.getMaxScrollLeft() > 0; 
        }; 
        ScrollController.prototype.canScrollUp = function () { 
            return this.getScrollTop() > 0; 
        }; 
        ScrollController.prototype.canScrollDown = function () { 
            return this.getScrollTop() < this.getMaxScrollTop(); 
        }; 
        ScrollController.prototype.canScrollLeft = function () { 
            return this.getScrollLeft() > 0; 
        }; 
        ScrollController.prototype.canScrollRight = function () { 
            return this.getScrollLeft() < this.getMaxScrollLeft(); 
        }; 
        return ScrollController; 
    }()); 
    var ElementScrollController = /** @class */ (function (_super) { 
        __extends(ElementScrollController, _super); 
        function ElementScrollController(el) { 
            var _this = _super.call(this) || this; 
            _this.el = el; 
            return _this; 
        } 
        ElementScrollController.prototype.getScrollTop = function () { 
            return this.el.scrollTop; 
        }; 
        ElementScrollController.prototype.getScrollLeft = function () { 
            return this.el.scrollLeft; 
        }; 
        ElementScrollController.prototype.setScrollTop = function (top) { 
            this.el.scrollTop = top; 
        }; 
        ElementScrollController.prototype.setScrollLeft = function (left) { 
            this.el.scrollLeft = left; 
        }; 
        ElementScrollController.prototype.getScrollWidth = function () { 
            return this.el.scrollWidth; 
        }; 
        ElementScrollController.prototype.getScrollHeight = function () { 
            return this.el.scrollHeight; 
        }; 
        ElementScrollController.prototype.getClientHeight = function () { 
            return this.el.clientHeight; 
        }; 
        ElementScrollController.prototype.getClientWidth = function () { 
            return this.el.clientWidth; 
        }; 
        return ElementScrollController; 
    }(ScrollController)); 
    var WindowScrollController = /** @class */ (function (_super) { 
        __extends(WindowScrollController, _super); 
        function WindowScrollController() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        WindowScrollController.prototype.getScrollTop = function () { 
            return window.pageYOffset; 
        }; 
        WindowScrollController.prototype.getScrollLeft = function () { 
            return window.pageXOffset; 
        }; 
        WindowScrollController.prototype.setScrollTop = function (n) { 
            window.scroll(window.pageXOffset, n); 
        }; 
        WindowScrollController.prototype.setScrollLeft = function (n) { 
            window.scroll(n, window.pageYOffset); 
        }; 
        WindowScrollController.prototype.getScrollWidth = function () { 
            return document.documentElement.scrollWidth; 
        }; 
        WindowScrollController.prototype.getScrollHeight = function () { 
            return document.documentElement.scrollHeight; 
        }; 
        WindowScrollController.prototype.getClientHeight = function () { 
            return document.documentElement.clientHeight; 
        }; 
        WindowScrollController.prototype.getClientWidth = function () { 
            return document.documentElement.clientWidth; 
        }; 
        return WindowScrollController; 
    }(ScrollController)); 
 
    var Theme = /** @class */ (function () { 
        function Theme(calendarOptions) { 
            if (this.iconOverrideOption) { 
                this.setIconOverride(calendarOptions[this.iconOverrideOption]); 
            } 
        } 
        Theme.prototype.setIconOverride = function (iconOverrideHash) { 
            var iconClassesCopy; 
            var buttonName; 
            if (typeof iconOverrideHash === 'object' && iconOverrideHash) { // non-null object 
                iconClassesCopy = __assign({}, this.iconClasses); 
                for (buttonName in iconOverrideHash) { 
                    iconClassesCopy[buttonName] = this.applyIconOverridePrefix(iconOverrideHash[buttonName]); 
                } 
                this.iconClasses = iconClassesCopy; 
            } 
            else if (iconOverrideHash === false) { 
                this.iconClasses = {}; 
            } 
        }; 
        Theme.prototype.applyIconOverridePrefix = function (className) { 
            var prefix = this.iconOverridePrefix; 
            if (prefix && className.indexOf(prefix) !== 0) { // if not already present 
                className = prefix + className; 
            } 
            return className; 
        }; 
        Theme.prototype.getClass = function (key) { 
            return this.classes[key] || ''; 
        }; 
        Theme.prototype.getIconClass = function (buttonName, isRtl) { 
            var className; 
            if (isRtl && this.rtlIconClasses) { 
                className = this.rtlIconClasses[buttonName] || this.iconClasses[buttonName]; 
            } 
            else { 
                className = this.iconClasses[buttonName]; 
            } 
            if (className) { 
                return this.baseIconClass + ' ' + className; 
            } 
            return ''; 
        }; 
        Theme.prototype.getCustomButtonIconClass = function (customButtonProps) { 
            var className; 
            if (this.iconOverrideCustomButtonOption) { 
                className = customButtonProps[this.iconOverrideCustomButtonOption]; 
                if (className) { 
                    return this.baseIconClass + ' ' + this.applyIconOverridePrefix(className); 
                } 
            } 
            return ''; 
        }; 
        return Theme; 
    }()); 
    Theme.prototype.classes = {}; 
    Theme.prototype.iconClasses = {}; 
    Theme.prototype.baseIconClass = ''; 
    Theme.prototype.iconOverridePrefix = ''; 
 
    /// <reference types="@fullcalendar/core-vdom" /> 
    if (typeof FullCalendarVDom === 'undefined') { 
        throw new Error('Please import the top-level fullcalendar lib before attempting to import a plugin.'); 
    } 
    var Component = FullCalendarVDom.Component; 
    var createElement = FullCalendarVDom.createElement; 
    var render = FullCalendarVDom.render; 
    var createRef = FullCalendarVDom.createRef; 
    var Fragment = FullCalendarVDom.Fragment; 
    var createContext$1 = FullCalendarVDom.createContext; 
    var flushToDom$1 = FullCalendarVDom.flushToDom; 
 
    var ScrollResponder = /** @class */ (function () { 
        function ScrollResponder(execFunc, emitter, scrollTime) { 
            var _this = this; 
            this.execFunc = execFunc; 
            this.emitter = emitter; 
            this.scrollTime = scrollTime; 
            this.handleScrollRequest = function (request) { 
                _this.queuedRequest = __assign({}, _this.queuedRequest || {}, request); 
                _this.drain(); 
            }; 
            emitter.on('_scrollRequest', this.handleScrollRequest); 
            this.fireInitialScroll(); 
        } 
        ScrollResponder.prototype.detach = function () { 
            this.emitter.off('_scrollRequest', this.handleScrollRequest); 
        }; 
        ScrollResponder.prototype.update = function (isDatesNew) { 
            if (isDatesNew) { 
                this.fireInitialScroll(); // will drain 
            } 
            else { 
                this.drain(); 
            } 
        }; 
        ScrollResponder.prototype.fireInitialScroll = function () { 
            this.handleScrollRequest({ 
                time: this.scrollTime 
            }); 
        }; 
        ScrollResponder.prototype.drain = function () { 
            if (this.queuedRequest && this.execFunc(this.queuedRequest)) { 
                this.queuedRequest = null; 
            } 
        }; 
        return ScrollResponder; 
    }()); 
 
    var ViewContextType = createContext$1({}); // for Components 
    function buildViewContext(viewSpec, viewApi, viewOptions, dateProfileGenerator, dateEnv, theme, pluginHooks, dispatch, getCurrentData, emitter, calendarApi, registerInteractiveComponent, unregisterInteractiveComponent) { 
        return { 
            dateEnv: dateEnv, 
            options: viewOptions, 
            pluginHooks: pluginHooks, 
            emitter: emitter, 
            dispatch: dispatch, 
            getCurrentData: getCurrentData, 
            calendarApi: calendarApi, 
            viewSpec: viewSpec, 
            viewApi: viewApi, 
            dateProfileGenerator: dateProfileGenerator, 
            theme: theme, 
            isRtl: viewOptions.direction === 'rtl', 
            addResizeHandler: function (handler) { 
                emitter.on('_resize', handler); 
            }, 
            removeResizeHandler: function (handler) { 
                emitter.off('_resize', handler); 
            }, 
            createScrollResponder: function (execFunc) { 
                return new ScrollResponder(execFunc, emitter, createDuration(viewOptions.scrollTime)); 
            }, 
            registerInteractiveComponent: registerInteractiveComponent, 
            unregisterInteractiveComponent: unregisterInteractiveComponent 
        }; 
    } 
 
    var PureComponent = /** @class */ (function (_super) { 
        __extends(PureComponent, _super); 
        function PureComponent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        PureComponent.prototype.shouldComponentUpdate = function (nextProps, nextState) { 
            if (this.debug) { 
                console.log(getUnequalProps(nextProps, this.props), getUnequalProps(nextState, this.state)); 
            } 
            return !compareObjs(this.props, nextProps, this.propEquality) || 
                !compareObjs(this.state, nextState, this.stateEquality); 
        }; 
        PureComponent.addPropsEquality = addPropsEquality; 
        PureComponent.addStateEquality = addStateEquality; 
        PureComponent.contextType = ViewContextType; 
        return PureComponent; 
    }(Component)); 
    PureComponent.prototype.propEquality = {}; 
    PureComponent.prototype.stateEquality = {}; 
    var BaseComponent = /** @class */ (function (_super) { 
        __extends(BaseComponent, _super); 
        function BaseComponent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        BaseComponent.contextType = ViewContextType; 
        return BaseComponent; 
    }(PureComponent)); 
    function addPropsEquality(propEquality) { 
        var hash = Object.create(this.prototype.propEquality); 
        __assign(hash, propEquality); 
        this.prototype.propEquality = hash; 
    } 
    function addStateEquality(stateEquality) { 
        var hash = Object.create(this.prototype.stateEquality); 
        __assign(hash, stateEquality); 
        this.prototype.stateEquality = hash; 
    } 
    // use other one 
    function setRef(ref, current) { 
        if (typeof ref === 'function') { 
            ref(current); 
        } 
        else if (ref) { 
            // see https://github.com/facebook/react/issues/13029 
            ref.current = current; 
        } 
    } 
 
    function reduceEventStore(eventStore, action, eventSources, dateProfile, context) { 
        switch (action.type) { 
            case 'RECEIVE_EVENTS': // raw 
                return receiveRawEvents(eventStore, eventSources[action.sourceId], action.fetchId, action.fetchRange, action.rawEvents, context); 
            case 'ADD_EVENTS': // already parsed, but not expanded 
                return addEvent(eventStore, action.eventStore, // new ones 
                dateProfile ? dateProfile.activeRange : null, context); 
            case 'MERGE_EVENTS': // already parsed and expanded 
                return mergeEventStores(eventStore, action.eventStore); 
            case 'PREV': // TODO: how do we track all actions that affect dateProfile :( 
            case 'NEXT': 
            case 'CHANGE_DATE': 
            case 'CHANGE_VIEW_TYPE': 
                if (dateProfile) { 
                    return expandRecurring(eventStore, dateProfile.activeRange, context); 
                } 
                else { 
                    return eventStore; 
                } 
            case 'REMOVE_EVENTS': 
                return excludeSubEventStore(eventStore, action.eventStore); 
            case 'REMOVE_EVENT_SOURCE': 
                return excludeEventsBySourceId(eventStore, action.sourceId); 
            case 'REMOVE_ALL_EVENT_SOURCES': 
                return filterEventStoreDefs(eventStore, function (eventDef) { 
                    return !eventDef.sourceId; // only keep events with no source id 
                }); 
            case 'REMOVE_ALL_EVENTS': 
                return createEmptyEventStore(); 
            default: 
                return eventStore; 
        } 
    } 
    function receiveRawEvents(eventStore, eventSource, fetchId, fetchRange, rawEvents, context) { 
        if (eventSource && // not already removed 
            fetchId === eventSource.latestFetchId // TODO: wish this logic was always in event-sources 
        ) { 
            var subset = parseEvents(transformRawEvents(rawEvents, eventSource, context), eventSource, context); 
            if (fetchRange) { 
                subset = expandRecurring(subset, fetchRange, context); 
            } 
            return mergeEventStores(excludeEventsBySourceId(eventStore, eventSource.sourceId), subset); 
        } 
        return eventStore; 
    } 
    function transformRawEvents(rawEvents, eventSource, context) { 
        var calEachTransform = context.options.eventDataTransform; 
        var sourceEachTransform = eventSource ? eventSource.eventDataTransform : null; 
        if (sourceEachTransform) { 
            rawEvents = transformEachRawEvent(rawEvents, sourceEachTransform); 
        } 
        if (calEachTransform) { 
            rawEvents = transformEachRawEvent(rawEvents, calEachTransform); 
        } 
        return rawEvents; 
    } 
    function transformEachRawEvent(rawEvents, func) { 
        var refinedEvents; 
        if (!func) { 
            refinedEvents = rawEvents; 
        } 
        else { 
            refinedEvents = []; 
            for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) { 
                var rawEvent = rawEvents_1[_i]; 
                var refinedEvent = func(rawEvent); 
                if (refinedEvent) { 
                    refinedEvents.push(refinedEvent); 
                } 
                else if (refinedEvent == null) { 
                    refinedEvents.push(rawEvent); 
                } // if a different falsy value, do nothing 
            } 
        } 
        return refinedEvents; 
    } 
    function addEvent(eventStore, subset, expandRange, context) { 
        if (expandRange) { 
            subset = expandRecurring(subset, expandRange, context); 
        } 
        return mergeEventStores(eventStore, subset); 
    } 
    function rezoneEventStoreDates(eventStore, oldDateEnv, newDateEnv) { 
        var defs = eventStore.defs; 
        var instances = mapHash(eventStore.instances, function (instance) { 
            var def = defs[instance.defId]; 
            if (def.allDay || def.recurringDef) { 
                return instance; // isn't dependent on timezone 
            } 
            else { 
                return __assign(__assign({}, instance), { range: { 
                        start: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.start, instance.forcedStartTzo)), 
                        end: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.end, instance.forcedEndTzo)) 
                    }, forcedStartTzo: newDateEnv.canComputeOffset ? null : instance.forcedStartTzo, forcedEndTzo: newDateEnv.canComputeOffset ? null : instance.forcedEndTzo }); 
            } 
        }); 
        return { defs: defs, instances: instances }; 
    } 
    function excludeEventsBySourceId(eventStore, sourceId) { 
        return filterEventStoreDefs(eventStore, function (eventDef) { 
            return eventDef.sourceId !== sourceId; 
        }); 
    } 
    // QUESTION: why not just return instances? do a general object-property-exclusion util 
    function excludeInstances(eventStore, removals) { 
        return { 
            defs: eventStore.defs, 
            instances: filterHash(eventStore.instances, function (instance) { 
                return !removals[instance.instanceId]; 
            }) 
        }; 
    } 
 
    // high-level segmenting-aware tester functions 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function isInteractionValid(interaction, context) { 
        return isNewPropsValid({ eventDrag: interaction }, context); // HACK: the eventDrag props is used for ALL interactions 
    } 
    function isDateSelectionValid(dateSelection, context) { 
        return isNewPropsValid({ dateSelection: dateSelection }, context); 
    } 
    function isNewPropsValid(newProps, context) { 
        var calendarState = context.getCurrentData(); 
        var props = __assign({ businessHours: calendarState.businessHours, dateSelection: '', eventStore: calendarState.eventStore, eventUiBases: calendarState.eventUiBases, eventSelection: '', eventDrag: null, eventResize: null }, newProps); 
        return (context.pluginHooks.isPropsValid || isPropsValid)(props, context); 
    } 
    function isPropsValid(state, context, dateSpanMeta, filterConfig) { 
        if (dateSpanMeta === void 0) { dateSpanMeta = {}; } 
        if (state.eventDrag && !isInteractionPropsValid(state, context, dateSpanMeta, filterConfig)) { 
            return false; 
        } 
        if (state.dateSelection && !isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig)) { 
            return false; 
        } 
        return true; 
    } 
    // Moving Event Validation 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function isInteractionPropsValid(state, context, dateSpanMeta, filterConfig) { 
        var currentState = context.getCurrentData(); 
        var interaction = state.eventDrag; // HACK: the eventDrag props is used for ALL interactions 
        var subjectEventStore = interaction.mutatedEvents; 
        var subjectDefs = subjectEventStore.defs; 
        var subjectInstances = subjectEventStore.instances; 
        var subjectConfigs = compileEventUis(subjectDefs, interaction.isEvent ? 
            state.eventUiBases : 
            { '': currentState.selectionConfig } // if not a real event, validate as a selection 
        ); 
        if (filterConfig) { 
            subjectConfigs = mapHash(subjectConfigs, filterConfig); 
        } 
        var otherEventStore = excludeInstances(state.eventStore, interaction.affectedEvents.instances); // exclude the subject events. TODO: exclude defs too? 
        var otherDefs = otherEventStore.defs; 
        var otherInstances = otherEventStore.instances; 
        var otherConfigs = compileEventUis(otherDefs, state.eventUiBases); 
        for (var subjectInstanceId in subjectInstances) { 
            var subjectInstance = subjectInstances[subjectInstanceId]; 
            var subjectRange = subjectInstance.range; 
            var subjectConfig = subjectConfigs[subjectInstance.defId]; 
            var subjectDef = subjectDefs[subjectInstance.defId]; 
            // constraint 
            if (!allConstraintsPass(subjectConfig.constraints, subjectRange, otherEventStore, state.businessHours, context)) { 
                return false; 
            } 
            // overlap 
            var eventOverlap = context.options.eventOverlap; 
            var eventOverlapFunc = typeof eventOverlap === 'function' ? eventOverlap : null; 
            for (var otherInstanceId in otherInstances) { 
                var otherInstance = otherInstances[otherInstanceId]; 
                // intersect! evaluate 
                if (rangesIntersect(subjectRange, otherInstance.range)) { 
                    var otherOverlap = otherConfigs[otherInstance.defId].overlap; 
                    // consider the other event's overlap. only do this if the subject event is a "real" event 
                    if (otherOverlap === false && interaction.isEvent) { 
                        return false; 
                    } 
                    if (subjectConfig.overlap === false) { 
                        return false; 
                    } 
                    if (eventOverlapFunc && !eventOverlapFunc(new EventApi(context, otherDefs[otherInstance.defId], otherInstance), // still event 
                    new EventApi(context, subjectDef, subjectInstance) // moving event 
                    )) { 
                        return false; 
                    } 
                } 
            } 
            // allow (a function) 
            var calendarEventStore = currentState.eventStore; // need global-to-calendar, not local to component (splittable)state 
            for (var _i = 0, _a = subjectConfig.allows; _i < _a.length; _i++) { 
                var subjectAllow = _a[_i]; 
                var subjectDateSpan = __assign(__assign({}, dateSpanMeta), { range: subjectInstance.range, allDay: subjectDef.allDay }); 
                var origDef = calendarEventStore.defs[subjectDef.defId]; 
                var origInstance = calendarEventStore.instances[subjectInstanceId]; 
                var eventApi = void 0; 
                if (origDef) { // was previously in the calendar 
                    eventApi = new EventApi(context, origDef, origInstance); 
                } 
                else { // was an external event 
                    eventApi = new EventApi(context, subjectDef); // no instance, because had no dates 
                } 
                if (!subjectAllow(buildDateSpanApiWithContext(subjectDateSpan, context), eventApi)) { 
                    return false; 
                } 
            } 
        } 
        return true; 
    } 
    // Date Selection Validation 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig) { 
        var relevantEventStore = state.eventStore; 
        var relevantDefs = relevantEventStore.defs; 
        var relevantInstances = relevantEventStore.instances; 
        var selection = state.dateSelection; 
        var selectionRange = selection.range; 
        var selectionConfig = context.getCurrentData().selectionConfig; 
        if (filterConfig) { 
            selectionConfig = filterConfig(selectionConfig); 
        } 
        // constraint 
        if (!allConstraintsPass(selectionConfig.constraints, selectionRange, relevantEventStore, state.businessHours, context)) { 
            return false; 
        } 
        // overlap 
        var selectOverlap = context.options.selectOverlap; 
        var selectOverlapFunc = typeof selectOverlap === 'function' ? selectOverlap : null; 
        for (var relevantInstanceId in relevantInstances) { 
            var relevantInstance = relevantInstances[relevantInstanceId]; 
            // intersect! evaluate 
            if (rangesIntersect(selectionRange, relevantInstance.range)) { 
                if (selectionConfig.overlap === false) { 
                    return false; 
                } 
                if (selectOverlapFunc && !selectOverlapFunc(new EventApi(context, relevantDefs[relevantInstance.defId], relevantInstance), null)) { 
                    return false; 
                } 
            } 
        } 
        // allow (a function) 
        for (var _i = 0, _a = selectionConfig.allows; _i < _a.length; _i++) { 
            var selectionAllow = _a[_i]; 
            var fullDateSpan = __assign(__assign({}, dateSpanMeta), selection); 
            if (!selectionAllow(buildDateSpanApiWithContext(fullDateSpan, context), null)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    // Constraint Utils 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function allConstraintsPass(constraints, subjectRange, otherEventStore, businessHoursUnexpanded, context) { 
        for (var _i = 0, constraints_1 = constraints; _i < constraints_1.length; _i++) { 
            var constraint = constraints_1[_i]; 
            if (!anyRangesContainRange(constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, context), subjectRange)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    function constraintToRanges(constraint, subjectRange, // for expanding a recurring constraint, or expanding business hours 
    otherEventStore, // for if constraint is an even group ID 
    businessHoursUnexpanded, // for if constraint is 'businessHours' 
    context // for expanding businesshours 
    ) { 
        if (constraint === 'businessHours') { 
            return eventStoreToRanges(expandRecurring(businessHoursUnexpanded, subjectRange, context)); 
        } 
        else if (typeof constraint === 'string') { // an group ID 
            return eventStoreToRanges(filterEventStoreDefs(otherEventStore, function (eventDef) { 
                return eventDef.groupId === constraint; 
            })); 
        } 
        else if (typeof constraint === 'object' && constraint) { // non-null object 
            return eventStoreToRanges(expandRecurring(constraint, subjectRange, context)); 
        } 
        return []; // if it's false 
    } 
    // TODO: move to event-store file? 
    function eventStoreToRanges(eventStore) { 
        var instances = eventStore.instances; 
        var ranges = []; 
        for (var instanceId in instances) { 
            ranges.push(instances[instanceId].range); 
        } 
        return ranges; 
    } 
    // TODO: move to geom file? 
    function anyRangesContainRange(outerRanges, innerRange) { 
        for (var _i = 0, outerRanges_1 = outerRanges; _i < outerRanges_1.length; _i++) { 
            var outerRange = outerRanges_1[_i]; 
            if (rangeContainsRange(outerRange, innerRange)) { 
                return true; 
            } 
        } 
        return false; 
    } 
 
    /* 
    an INTERACTABLE date component 
 
    PURPOSES: 
    - hook up to fg, fill, and mirror renderers 
    - interface for dragging and hits 
    */ 
    var DateComponent = /** @class */ (function (_super) { 
        __extends(DateComponent, _super); 
        function DateComponent() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.uid = guid(); 
            return _this; 
        } 
        // Hit System 
        // ----------------------------------------------------------------------------------------------------------------- 
        DateComponent.prototype.prepareHits = function () { 
        }; 
        DateComponent.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) { 
            return null; // this should be abstract 
        }; 
        // Validation 
        // ----------------------------------------------------------------------------------------------------------------- 
        DateComponent.prototype.isInteractionValid = function (interaction) { 
            var dateProfile = this.props.dateProfile; // HACK 
            var instances = interaction.mutatedEvents.instances; 
            if (dateProfile) { // HACK for MorePopover 
                for (var instanceId in instances) { 
                    if (!rangeContainsRange(dateProfile.validRange, instances[instanceId].range)) { 
                        return false; 
                    } 
                } 
            } 
            return isInteractionValid(interaction, this.context); 
        }; 
        DateComponent.prototype.isDateSelectionValid = function (selection) { 
            var dateProfile = this.props.dateProfile; // HACK 
            if (dateProfile && // HACK for MorePopover 
                !rangeContainsRange(dateProfile.validRange, selection.range)) { 
                return false; 
            } 
            return isDateSelectionValid(selection, this.context); 
        }; 
        // Pointer Interaction Utils 
        // ----------------------------------------------------------------------------------------------------------------- 
        DateComponent.prototype.isValidSegDownEl = function (el) { 
            return !this.props.eventDrag && // HACK 
                !this.props.eventResize && // HACK 
                !elementClosest(el, '.fc-event-mirror') && 
                (this.isPopover() || !this.isInPopover(el)); 
            // ^above line ensures we don't detect a seg interaction within a nested component. 
            // it's a HACK because it only supports a popover as the nested component. 
        }; 
        DateComponent.prototype.isValidDateDownEl = function (el) { 
            return !elementClosest(el, '.fc-event:not(.fc-bg-event)') && 
                !elementClosest(el, '.fc-daygrid-more-link') && // a "more.." link 
                !elementClosest(el, 'a[data-navlink]') && // a clickable nav link 
                !this.isInPopover(el); 
        }; 
        DateComponent.prototype.isPopover = function () { 
            return false; 
        }; 
        DateComponent.prototype.isInPopover = function (el) { 
            return Boolean(elementClosest(el, '.fc-popover')); 
        }; 
        return DateComponent; 
    }(BaseComponent)); 
 
    // TODO: easier way to add new hooks? need to update a million things 
    function createPlugin(input) { 
        return { 
            id: guid(), 
            deps: input.deps || [], 
            reducers: input.reducers || [], 
            contextInit: [].concat(input.contextInit || []), 
            eventRefiners: input.eventRefiners || {}, 
            eventDefMemberAdders: input.eventDefMemberAdders || [], 
            eventSourceRefiners: input.eventSourceRefiners || {}, 
            isDraggableTransformers: input.isDraggableTransformers || [], 
            eventDragMutationMassagers: input.eventDragMutationMassagers || [], 
            eventDefMutationAppliers: input.eventDefMutationAppliers || [], 
            dateSelectionTransformers: input.dateSelectionTransformers || [], 
            datePointTransforms: input.datePointTransforms || [], 
            dateSpanTransforms: input.dateSpanTransforms || [], 
            views: input.views || {}, 
            viewPropsTransformers: input.viewPropsTransformers || [], 
            isPropsValid: input.isPropsValid || null, 
            externalDefTransforms: input.externalDefTransforms || [], 
            eventResizeJoinTransforms: input.eventResizeJoinTransforms || [], 
            viewContainerAppends: input.viewContainerAppends || [], 
            eventDropTransformers: input.eventDropTransformers || [], 
            componentInteractions: input.componentInteractions || [], 
            calendarInteractions: input.calendarInteractions || [], 
            themeClasses: input.themeClasses || {}, 
            eventSourceDefs: input.eventSourceDefs || [], 
            cmdFormatter: input.cmdFormatter, 
            recurringTypes: input.recurringTypes || [], 
            namedTimeZonedImpl: input.namedTimeZonedImpl, 
            initialView: input.initialView || '', 
            elementDraggingImpl: input.elementDraggingImpl, 
            optionChangeHandlers: input.optionChangeHandlers || {}, 
            scrollGridImpl: input.scrollGridImpl || null, 
            contentTypeHandlers: input.contentTypeHandlers || {}, 
            listenerRefiners: input.listenerRefiners || {}, 
            optionRefiners: input.optionRefiners || {}, 
            propSetHandlers: input.propSetHandlers || {} 
        }; 
    } 
    function buildPluginHooks(pluginDefs, globalDefs) { 
        var isAdded = {}; 
        var hooks = { 
            reducers: [], 
            contextInit: [], 
            eventRefiners: {}, 
            eventDefMemberAdders: [], 
            eventSourceRefiners: {}, 
            isDraggableTransformers: [], 
            eventDragMutationMassagers: [], 
            eventDefMutationAppliers: [], 
            dateSelectionTransformers: [], 
            datePointTransforms: [], 
            dateSpanTransforms: [], 
            views: {}, 
            viewPropsTransformers: [], 
            isPropsValid: null, 
            externalDefTransforms: [], 
            eventResizeJoinTransforms: [], 
            viewContainerAppends: [], 
            eventDropTransformers: [], 
            componentInteractions: [], 
            calendarInteractions: [], 
            themeClasses: {}, 
            eventSourceDefs: [], 
            cmdFormatter: null, 
            recurringTypes: [], 
            namedTimeZonedImpl: null, 
            initialView: '', 
            elementDraggingImpl: null, 
            optionChangeHandlers: {}, 
            scrollGridImpl: null, 
            contentTypeHandlers: {}, 
            listenerRefiners: {}, 
            optionRefiners: {}, 
            propSetHandlers: {} 
        }; 
        function addDefs(defs) { 
            for (var _i = 0, defs_1 = defs; _i < defs_1.length; _i++) { 
                var def = defs_1[_i]; 
                if (!isAdded[def.id]) { 
                    isAdded[def.id] = true; 
                    addDefs(def.deps); 
                    hooks = combineHooks(hooks, def); 
                } 
            } 
        } 
        if (pluginDefs) { 
            addDefs(pluginDefs); 
        } 
        addDefs(globalDefs); 
        return hooks; 
    } 
    function buildBuildPluginHooks() { 
        var currentOverrideDefs = []; 
        var currentGlobalDefs = []; 
        var currentHooks; 
        return function (overrideDefs, globalDefs) { 
            if (!currentHooks || !isArraysEqual(overrideDefs, currentOverrideDefs) || !isArraysEqual(globalDefs, currentGlobalDefs)) { 
                currentHooks = buildPluginHooks(overrideDefs, globalDefs); 
            } 
            currentOverrideDefs = overrideDefs; 
            currentGlobalDefs = globalDefs; 
            return currentHooks; 
        }; 
    } 
    function combineHooks(hooks0, hooks1) { 
        return { 
            reducers: hooks0.reducers.concat(hooks1.reducers), 
            contextInit: hooks0.contextInit.concat(hooks1.contextInit), 
            eventRefiners: __assign(__assign({}, hooks0.eventRefiners), hooks1.eventRefiners), 
            eventDefMemberAdders: hooks0.eventDefMemberAdders.concat(hooks1.eventDefMemberAdders), 
            eventSourceRefiners: __assign(__assign({}, hooks0.eventSourceRefiners), hooks1.eventSourceRefiners), 
            isDraggableTransformers: hooks0.isDraggableTransformers.concat(hooks1.isDraggableTransformers), 
            eventDragMutationMassagers: hooks0.eventDragMutationMassagers.concat(hooks1.eventDragMutationMassagers), 
            eventDefMutationAppliers: hooks0.eventDefMutationAppliers.concat(hooks1.eventDefMutationAppliers), 
            dateSelectionTransformers: hooks0.dateSelectionTransformers.concat(hooks1.dateSelectionTransformers), 
            datePointTransforms: hooks0.datePointTransforms.concat(hooks1.datePointTransforms), 
            dateSpanTransforms: hooks0.dateSpanTransforms.concat(hooks1.dateSpanTransforms), 
            views: __assign(__assign({}, hooks0.views), hooks1.views), 
            viewPropsTransformers: hooks0.viewPropsTransformers.concat(hooks1.viewPropsTransformers), 
            isPropsValid: hooks1.isPropsValid || hooks0.isPropsValid, 
            externalDefTransforms: hooks0.externalDefTransforms.concat(hooks1.externalDefTransforms), 
            eventResizeJoinTransforms: hooks0.eventResizeJoinTransforms.concat(hooks1.eventResizeJoinTransforms), 
            viewContainerAppends: hooks0.viewContainerAppends.concat(hooks1.viewContainerAppends), 
            eventDropTransformers: hooks0.eventDropTransformers.concat(hooks1.eventDropTransformers), 
            calendarInteractions: hooks0.calendarInteractions.concat(hooks1.calendarInteractions), 
            componentInteractions: hooks0.componentInteractions.concat(hooks1.componentInteractions), 
            themeClasses: __assign(__assign({}, hooks0.themeClasses), hooks1.themeClasses), 
            eventSourceDefs: hooks0.eventSourceDefs.concat(hooks1.eventSourceDefs), 
            cmdFormatter: hooks1.cmdFormatter || hooks0.cmdFormatter, 
            recurringTypes: hooks0.recurringTypes.concat(hooks1.recurringTypes), 
            namedTimeZonedImpl: hooks1.namedTimeZonedImpl || hooks0.namedTimeZonedImpl, 
            initialView: hooks0.initialView || hooks1.initialView, 
            elementDraggingImpl: hooks0.elementDraggingImpl || hooks1.elementDraggingImpl, 
            optionChangeHandlers: __assign(__assign({}, hooks0.optionChangeHandlers), hooks1.optionChangeHandlers), 
            scrollGridImpl: hooks1.scrollGridImpl || hooks0.scrollGridImpl, 
            contentTypeHandlers: __assign(__assign({}, hooks0.contentTypeHandlers), hooks1.contentTypeHandlers), 
            listenerRefiners: __assign(__assign({}, hooks0.listenerRefiners), hooks1.listenerRefiners), 
            optionRefiners: __assign(__assign({}, hooks0.optionRefiners), hooks1.optionRefiners), 
            propSetHandlers: __assign(__assign({}, hooks0.propSetHandlers), hooks1.propSetHandlers) 
        }; 
    } 
 
    var StandardTheme = /** @class */ (function (_super) { 
        __extends(StandardTheme, _super); 
        function StandardTheme() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        return StandardTheme; 
    }(Theme)); 
    StandardTheme.prototype.classes = { 
        root: 'fc-theme-standard', 
        tableCellShaded: 'fc-cell-shaded', 
        buttonGroup: 'fc-button-group', 
        button: 'fc-button fc-button-primary', 
        buttonActive: 'fc-button-active' 
    }; 
    StandardTheme.prototype.baseIconClass = 'fc-icon'; 
    StandardTheme.prototype.iconClasses = { 
        close: 'fc-icon-x', 
        prev: 'fc-icon-chevron-left', 
        next: 'fc-icon-chevron-right', 
        prevYear: 'fc-icon-chevrons-left', 
        nextYear: 'fc-icon-chevrons-right' 
    }; 
    StandardTheme.prototype.rtlIconClasses = { 
        prev: 'fc-icon-chevron-right', 
        next: 'fc-icon-chevron-left', 
        prevYear: 'fc-icon-chevrons-right', 
        nextYear: 'fc-icon-chevrons-left' 
    }; 
    StandardTheme.prototype.iconOverrideOption = 'buttonIcons'; // TODO: make TS-friendly 
    StandardTheme.prototype.iconOverrideCustomButtonOption = 'icon'; 
    StandardTheme.prototype.iconOverridePrefix = 'fc-icon-'; 
 
    function compileViewDefs(defaultConfigs, overrideConfigs) { 
        var hash = {}; 
        var viewType; 
        for (viewType in defaultConfigs) { 
            ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs); 
        } 
        for (viewType in overrideConfigs) { 
            ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs); 
        } 
        return hash; 
    } 
    function ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs) { 
        if (hash[viewType]) { 
            return hash[viewType]; 
        } 
        var viewDef = buildViewDef(viewType, hash, defaultConfigs, overrideConfigs); 
        if (viewDef) { 
            hash[viewType] = viewDef; 
        } 
        return viewDef; 
    } 
    function buildViewDef(viewType, hash, defaultConfigs, overrideConfigs) { 
        var defaultConfig = defaultConfigs[viewType]; 
        var overrideConfig = overrideConfigs[viewType]; 
        var queryProp = function (name) { 
            return (defaultConfig && defaultConfig[name] !== null) ? defaultConfig[name] : 
                ((overrideConfig && overrideConfig[name] !== null) ? overrideConfig[name] : null); 
        }; 
        var theComponent = queryProp('component'); 
        var superType = queryProp('superType'); 
        var superDef = null; 
        if (superType) { 
            if (superType === viewType) { 
                throw new Error('Can\'t have a custom view type that references itself'); 
            } 
            superDef = ensureViewDef(superType, hash, defaultConfigs, overrideConfigs); 
        } 
        if (!theComponent && superDef) { 
            theComponent = superDef.component; 
        } 
        if (!theComponent) { 
            return null; // don't throw a warning, might be settings for a single-unit view 
        } 
        return { 
            type: viewType, 
            component: theComponent, 
            defaults: __assign(__assign({}, (superDef ? superDef.defaults : {})), (defaultConfig ? defaultConfig.rawOptions : {})), 
            overrides: __assign(__assign({}, (superDef ? superDef.overrides : {})), (overrideConfig ? overrideConfig.rawOptions : {})) 
        }; 
    } 
 
    // NOTE: in JSX, you should always use this class with <HookProps> arg. otherwise, will default to any??? 
    var RenderHook = /** @class */ (function (_super) { 
        __extends(RenderHook, _super); 
        function RenderHook() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.rootElRef = createRef(); 
            _this.handleRootEl = function (el) { 
                setRef(_this.rootElRef, el); 
                if (_this.props.elRef) { 
                    setRef(_this.props.elRef, el); 
                } 
            }; 
            return _this; 
        } 
        RenderHook.prototype.render = function () { 
            var _this = this; 
            var props = this.props; 
            var hookProps = props.hookProps; 
            return (createElement(MountHook, { hookProps: hookProps, didMount: props.didMount, willUnmount: props.willUnmount, elRef: this.handleRootEl }, function (rootElRef) { return (createElement(ContentHook, { hookProps: hookProps, content: props.content, defaultContent: props.defaultContent, backupElRef: _this.rootElRef }, function (innerElRef, innerContent) { return props.children(rootElRef, normalizeClassNames(props.classNames, hookProps), innerElRef, innerContent); })); })); 
        }; 
        return RenderHook; 
    }(BaseComponent)); 
    // for forcing rerender of components that use the ContentHook 
    var CustomContentRenderContext = createContext$1(0); 
    var ContentHook = /** @class */ (function (_super) { 
        __extends(ContentHook, _super); 
        function ContentHook() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.innerElRef = createRef(); 
            return _this; 
        } 
        ContentHook.prototype.render = function () { 
            var _this = this; 
            return (createElement(CustomContentRenderContext.Consumer, null, function () { return (_this.props.children(_this.innerElRef, _this.renderInnerContent())); })); 
        }; 
        ContentHook.prototype.componentDidMount = function () { 
            this.updateCustomContent(); 
        }; 
        ContentHook.prototype.componentDidUpdate = function () { 
            this.updateCustomContent(); 
        }; 
        ContentHook.prototype.renderInnerContent = function () { 
            var contentTypeHandlers = this.context.pluginHooks.contentTypeHandlers; 
            var _a = this, props = _a.props, customContentInfo = _a.customContentInfo; 
            var rawVal = props.content; 
            var innerContent = normalizeContent(rawVal, props.hookProps); 
            var innerContentVDom = null; 
            if (innerContent === undefined) { // use the default 
                innerContent = normalizeContent(props.defaultContent, props.hookProps); 
            } 
            if (innerContent !== undefined) { // we allow custom content handlers to return nothing 
                if (customContentInfo) { 
                    customContentInfo.contentVal = innerContent[customContentInfo.contentKey]; 
                } 
                else if (typeof innerContent === 'object') { 
                    // look for a prop that would indicate a custom content handler is needed 
                    for (var contentKey in contentTypeHandlers) { 
                        if (innerContent[contentKey] !== undefined) { 
                            customContentInfo = this.customContentInfo = { 
                                contentKey: contentKey, 
                                contentVal: innerContent[contentKey], 
                                handler: contentTypeHandlers[contentKey]() 
                            }; 
                            break; 
                        } 
                    } 
                } 
                if (customContentInfo) { 
                    innerContentVDom = []; // signal that something was specified 
                } 
                else { 
                    innerContentVDom = innerContent; // assume a [p]react vdom node. use it 
                } 
            } 
            return innerContentVDom; 
        }; 
        ContentHook.prototype.updateCustomContent = function () { 
            if (this.customContentInfo) { 
                this.customContentInfo.handler(this.innerElRef.current || this.props.backupElRef.current, // the element to render into 
                this.customContentInfo.contentVal); 
            } 
        }; 
        return ContentHook; 
    }(BaseComponent)); 
    var MountHook = /** @class */ (function (_super) { 
        __extends(MountHook, _super); 
        function MountHook() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.handleRootEl = function (rootEl) { 
                _this.rootEl = rootEl; 
                if (_this.props.elRef) { 
                    setRef(_this.props.elRef, rootEl); 
                } 
            }; 
            return _this; 
        } 
        MountHook.prototype.render = function () { 
            return this.props.children(this.handleRootEl); 
        }; 
        MountHook.prototype.componentDidMount = function () { 
            var callback = this.props.didMount; 
            callback && callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl })); 
        }; 
        MountHook.prototype.componentWillUnmount = function () { 
            var callback = this.props.willUnmount; 
            callback && callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl })); 
        }; 
        return MountHook; 
    }(BaseComponent)); 
    function buildClassNameNormalizer() { 
        var currentGenerator; 
        var currentHookProps; 
        var currentClassNames = []; 
        return function (generator, hookProps) { 
            if (!currentHookProps || !isPropsEqual(currentHookProps, hookProps) || generator !== currentGenerator) { 
                currentGenerator = generator; 
                currentHookProps = hookProps; 
                currentClassNames = normalizeClassNames(generator, hookProps); 
            } 
            return currentClassNames; 
        }; 
    } 
    function normalizeClassNames(classNames, hookProps) { 
        if (typeof classNames === 'function') { 
            classNames = classNames(hookProps); 
        } 
        return parseClassNames(classNames); 
    } 
    function normalizeContent(input, hookProps) { 
        if (typeof input === 'function') { 
            return input(hookProps, createElement); // give the function the vdom-creation func 
        } 
        else { 
            return input; 
        } 
    } 
 
    var ViewRoot = /** @class */ (function (_super) { 
        __extends(ViewRoot, _super); 
        function ViewRoot() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.normalizeClassNames = buildClassNameNormalizer(); 
            return _this; 
        } 
        ViewRoot.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var options = context.options; 
            var hookProps = { view: context.viewApi }; 
            var customClassNames = this.normalizeClassNames(options.viewClassNames, hookProps); 
            return (createElement(MountHook, { hookProps: hookProps, didMount: options.viewDidMount, willUnmount: options.viewWillUnmount, elRef: props.elRef }, function (rootElRef) { return props.children(rootElRef, ["fc-" + props.viewSpec.type + "-view", 'fc-view'].concat(customClassNames)); })); 
        }; 
        return ViewRoot; 
    }(BaseComponent)); 
 
    function parseViewConfigs(inputs) { 
        return mapHash(inputs, parseViewConfig); 
    } 
    function parseViewConfig(input) { 
        var rawOptions = typeof input === 'function' ? 
            { component: input } : 
            input; 
        var component = rawOptions.component; 
        if (rawOptions.content) { 
            component = createViewHookComponent(rawOptions); 
            // TODO: remove content/classNames/didMount/etc from options? 
        } 
        return { 
            superType: rawOptions.type, 
            component: component, 
            rawOptions: rawOptions // includes type and component too :( 
        }; 
    } 
    function createViewHookComponent(options) { 
        return function (viewProps) { 
            return (createElement(ViewContextType.Consumer, null, function (context) { return (createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, viewClassNames) { 
                var hookProps = __assign(__assign({}, viewProps), { nextDayThreshold: context.options.nextDayThreshold }); 
                return (createElement(RenderHook, { hookProps: hookProps, classNames: options.classNames, content: options.content, didMount: options.didMount, willUnmount: options.willUnmount, elRef: rootElRef }, function (rootElRef, customClassNames, innerElRef, innerContent) { return (createElement("div", { className: viewClassNames.concat(customClassNames).join(' '), ref: rootElRef }, innerContent)); })); 
            })); })); 
        }; 
    } 
 
    function buildViewSpecs(defaultInputs, optionOverrides, dynamicOptionOverrides, localeDefaults) { 
        var defaultConfigs = parseViewConfigs(defaultInputs); 
        var overrideConfigs = parseViewConfigs(optionOverrides.views); 
        var viewDefs = compileViewDefs(defaultConfigs, overrideConfigs); 
        return mapHash(viewDefs, function (viewDef) { 
            return buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults); 
        }); 
    } 
    function buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults) { 
        var durationInput = viewDef.overrides.duration || 
            viewDef.defaults.duration || 
            dynamicOptionOverrides.duration || 
            optionOverrides.duration; 
        var duration = null; 
        var durationUnit = ''; 
        var singleUnit = ''; 
        var singleUnitOverrides = {}; 
        if (durationInput) { 
            duration = createDurationCached(durationInput); 
            if (duration) { // valid? 
                var denom = greatestDurationDenominator(duration); 
                durationUnit = denom.unit; 
                if (denom.value === 1) { 
                    singleUnit = durationUnit; 
                    singleUnitOverrides = overrideConfigs[durationUnit] ? overrideConfigs[durationUnit].rawOptions : {}; 
                } 
            } 
        } 
        var queryButtonText = function (optionsSubset) { 
            var buttonTextMap = optionsSubset.buttonText || {}; 
            var buttonTextKey = viewDef.defaults.buttonTextKey; 
            if (buttonTextKey != null && buttonTextMap[buttonTextKey] != null) { 
                return buttonTextMap[buttonTextKey]; 
            } 
            if (buttonTextMap[viewDef.type] != null) { 
                return buttonTextMap[viewDef.type]; 
            } 
            if (buttonTextMap[singleUnit] != null) { 
                return buttonTextMap[singleUnit]; 
            } 
        }; 
        return { 
            type: viewDef.type, 
            component: viewDef.component, 
            duration: duration, 
            durationUnit: durationUnit, 
            singleUnit: singleUnit, 
            optionDefaults: viewDef.defaults, 
            optionOverrides: __assign(__assign({}, singleUnitOverrides), viewDef.overrides), 
            buttonTextOverride: queryButtonText(dynamicOptionOverrides) || 
                queryButtonText(optionOverrides) || // constructor-specified buttonText lookup hash takes precedence 
                viewDef.overrides.buttonText, 
            buttonTextDefault: queryButtonText(localeDefaults) || 
                viewDef.defaults.buttonText || 
                queryButtonText(BASE_OPTION_DEFAULTS) || 
                viewDef.type // fall back to given view name 
        }; 
    } 
    // hack to get memoization working 
    var durationInputMap = {}; 
    function createDurationCached(durationInput) { 
        var json = JSON.stringify(durationInput); 
        var res = durationInputMap[json]; 
        if (res === undefined) { 
            res = createDuration(durationInput); 
            durationInputMap[json] = res; 
        } 
        return res; 
    } 
 
    var DateProfileGenerator = /** @class */ (function () { 
        function DateProfileGenerator(props) { 
            this.props = props; 
            this.nowDate = getNow(props.nowInput, props.dateEnv); 
            this.initHiddenDays(); 
        } 
        /* Date Range Computation 
        ------------------------------------------------------------------------------------------------------------------*/ 
        // Builds a structure with info about what the dates/ranges will be for the "prev" view. 
        DateProfileGenerator.prototype.buildPrev = function (currentDateProfile, currentDate, forceToValid) { 
            var dateEnv = this.props.dateEnv; 
            var prevDate = dateEnv.subtract(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month 
            currentDateProfile.dateIncrement); 
            return this.build(prevDate, -1, forceToValid); 
        }; 
        // Builds a structure with info about what the dates/ranges will be for the "next" view. 
        DateProfileGenerator.prototype.buildNext = function (currentDateProfile, currentDate, forceToValid) { 
            var dateEnv = this.props.dateEnv; 
            var nextDate = dateEnv.add(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month 
            currentDateProfile.dateIncrement); 
            return this.build(nextDate, 1, forceToValid); 
        }; 
        // Builds a structure holding dates/ranges for rendering around the given date. 
        // Optional direction param indicates whether the date is being incremented/decremented 
        // from its previous value. decremented = -1, incremented = 1 (default). 
        DateProfileGenerator.prototype.build = function (currentDate, direction, forceToValid) { 
            if (forceToValid === void 0) { forceToValid = true; } 
            var props = this.props; 
            var validRange; 
            var currentInfo; 
            var isRangeAllDay; 
            var renderRange; 
            var activeRange; 
            var isValid; 
            validRange = this.buildValidRange(); 
            validRange = this.trimHiddenDays(validRange); 
            if (forceToValid) { 
                currentDate = constrainMarkerToRange(currentDate, validRange); 
            } 
            currentInfo = this.buildCurrentRangeInfo(currentDate, direction); 
            isRangeAllDay = /^(year|month|week|day)$/.test(currentInfo.unit); 
            renderRange = this.buildRenderRange(this.trimHiddenDays(currentInfo.range), currentInfo.unit, isRangeAllDay); 
            renderRange = this.trimHiddenDays(renderRange); 
            activeRange = renderRange; 
            if (!props.showNonCurrentDates) { 
                activeRange = intersectRanges(activeRange, currentInfo.range); 
            } 
            activeRange = this.adjustActiveRange(activeRange); 
            activeRange = intersectRanges(activeRange, validRange); // might return null 
            // it's invalid if the originally requested date is not contained, 
            // or if the range is completely outside of the valid range. 
            isValid = rangesIntersect(currentInfo.range, validRange); 
            return { 
                // constraint for where prev/next operations can go and where events can be dragged/resized to. 
                // an object with optional start and end properties. 
                validRange: validRange, 
                // range the view is formally responsible for. 
                // for example, a month view might have 1st-31st, excluding padded dates 
                currentRange: currentInfo.range, 
                // name of largest unit being displayed, like "month" or "week" 
                currentRangeUnit: currentInfo.unit, 
                isRangeAllDay: isRangeAllDay, 
                // dates that display events and accept drag-n-drop 
                // will be `null` if no dates accept events 
                activeRange: activeRange, 
                // date range with a rendered skeleton 
                // includes not-active days that need some sort of DOM 
                renderRange: renderRange, 
                // Duration object that denotes the first visible time of any given day 
                slotMinTime: props.slotMinTime, 
                // Duration object that denotes the exclusive visible end time of any given day 
                slotMaxTime: props.slotMaxTime, 
                isValid: isValid, 
                // how far the current date will move for a prev/next operation 
                dateIncrement: this.buildDateIncrement(currentInfo.duration) 
                // pass a fallback (might be null) ^ 
            }; 
        }; 
        // Builds an object with optional start/end properties. 
        // Indicates the minimum/maximum dates to display. 
        // not responsible for trimming hidden days. 
        DateProfileGenerator.prototype.buildValidRange = function () { 
            var input = this.props.validRangeInput; 
            var simpleInput = typeof input === 'function' 
                ? input.call(this.props.calendarApi, this.nowDate) 
                : input; 
            return this.refineRange(simpleInput) || 
                { start: null, end: null }; // completely open-ended 
        }; 
        // Builds a structure with info about the "current" range, the range that is 
        // highlighted as being the current month for example. 
        // See build() for a description of `direction`. 
        // Guaranteed to have `range` and `unit` properties. `duration` is optional. 
        DateProfileGenerator.prototype.buildCurrentRangeInfo = function (date, direction) { 
            var props = this.props; 
            var duration = null; 
            var unit = null; 
            var range = null; 
            var dayCount; 
            if (props.duration) { 
                duration = props.duration; 
                unit = props.durationUnit; 
                range = this.buildRangeFromDuration(date, direction, duration, unit); 
            } 
            else if ((dayCount = this.props.dayCount)) { 
                unit = 'day'; 
                range = this.buildRangeFromDayCount(date, direction, dayCount); 
            } 
            else if ((range = this.buildCustomVisibleRange(date))) { 
                unit = props.dateEnv.greatestWholeUnit(range.start, range.end).unit; 
            } 
            else { 
                duration = this.getFallbackDuration(); 
                unit = greatestDurationDenominator(duration).unit; 
                range = this.buildRangeFromDuration(date, direction, duration, unit); 
            } 
            return { duration: duration, unit: unit, range: range }; 
        }; 
        DateProfileGenerator.prototype.getFallbackDuration = function () { 
            return createDuration({ day: 1 }); 
        }; 
        // Returns a new activeRange to have time values (un-ambiguate) 
        // slotMinTime or slotMaxTime causes the range to expand. 
        DateProfileGenerator.prototype.adjustActiveRange = function (range) { 
            var _a = this.props, dateEnv = _a.dateEnv, usesMinMaxTime = _a.usesMinMaxTime, slotMinTime = _a.slotMinTime, slotMaxTime = _a.slotMaxTime; 
            var start = range.start; 
            var end = range.end; 
            if (usesMinMaxTime) { 
                // expand active range if slotMinTime is negative (why not when positive?) 
                if (asRoughDays(slotMinTime) < 0) { 
                    start = startOfDay(start); // necessary? 
                    start = dateEnv.add(start, slotMinTime); 
                } 
                // expand active range if slotMaxTime is beyond one day (why not when negative?) 
                if (asRoughDays(slotMaxTime) > 1) { 
                    end = startOfDay(end); // necessary? 
                    end = addDays(end, -1); 
                    end = dateEnv.add(end, slotMaxTime); 
                } 
            } 
            return { start: start, end: end }; 
        }; 
        // Builds the "current" range when it is specified as an explicit duration. 
        // `unit` is the already-computed greatestDurationDenominator unit of duration. 
        DateProfileGenerator.prototype.buildRangeFromDuration = function (date, direction, duration, unit) { 
            var _a = this.props, dateEnv = _a.dateEnv, dateAlignment = _a.dateAlignment; 
            var start; 
            var end; 
            var res; 
            // compute what the alignment should be 
            if (!dateAlignment) { 
                var dateIncrement = this.props.dateIncrement; 
                if (dateIncrement) { 
                    // use the smaller of the two units 
                    if (asRoughMs(dateIncrement) < asRoughMs(duration)) { 
                        dateAlignment = greatestDurationDenominator(dateIncrement).unit; 
                    } 
                    else { 
                        dateAlignment = unit; 
                    } 
                } 
                else { 
                    dateAlignment = unit; 
                } 
            } 
            // if the view displays a single day or smaller 
            if (asRoughDays(duration) <= 1) { 
                if (this.isHiddenDay(start)) { 
                    start = this.skipHiddenDays(start, direction); 
                    start = startOfDay(start); 
                } 
            } 
            function computeRes() { 
                start = dateEnv.startOf(date, dateAlignment); 
                end = dateEnv.add(start, duration); 
                res = { start: start, end: end }; 
            } 
            computeRes(); 
            // if range is completely enveloped by hidden days, go past the hidden days 
            if (!this.trimHiddenDays(res)) { 
                date = this.skipHiddenDays(date, direction); 
                computeRes(); 
            } 
            return res; 
        }; 
        // Builds the "current" range when a dayCount is specified. 
        DateProfileGenerator.prototype.buildRangeFromDayCount = function (date, direction, dayCount) { 
            var _a = this.props, dateEnv = _a.dateEnv, dateAlignment = _a.dateAlignment; 
            var runningCount = 0; 
            var start = date; 
            var end; 
            if (dateAlignment) { 
                start = dateEnv.startOf(start, dateAlignment); 
            } 
            start = startOfDay(start); 
            start = this.skipHiddenDays(start, direction); 
            end = start; 
            do { 
                end = addDays(end, 1); 
                if (!this.isHiddenDay(end)) { 
                    runningCount++; 
                } 
            } while (runningCount < dayCount); 
            return { start: start, end: end }; 
        }; 
        // Builds a normalized range object for the "visible" range, 
        // which is a way to define the currentRange and activeRange at the same time. 
        DateProfileGenerator.prototype.buildCustomVisibleRange = function (date) { 
            var props = this.props; 
            var input = props.visibleRangeInput; 
            var simpleInput = typeof input === 'function' 
                ? input.call(props.calendarApi, props.dateEnv.toDate(date)) 
                : input; 
            var range = this.refineRange(simpleInput); 
            if (range && (range.start == null || range.end == null)) { 
                return null; 
            } 
            return range; 
        }; 
        // Computes the range that will represent the element/cells for *rendering*, 
        // but which may have voided days/times. 
        // not responsible for trimming hidden days. 
        DateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) { 
            return currentRange; 
        }; 
        // Compute the duration value that should be added/substracted to the current date 
        // when a prev/next operation happens. 
        DateProfileGenerator.prototype.buildDateIncrement = function (fallback) { 
            var dateIncrement = this.props.dateIncrement; 
            var customAlignment; 
            if (dateIncrement) { 
                return dateIncrement; 
            } 
            else if ((customAlignment = this.props.dateAlignment)) { 
                return createDuration(1, customAlignment); 
            } 
            else if (fallback) { 
                return fallback; 
            } 
            else { 
                return createDuration({ days: 1 }); 
            } 
        }; 
        DateProfileGenerator.prototype.refineRange = function (rangeInput) { 
            if (rangeInput) { 
                var range = parseRange(rangeInput, this.props.dateEnv); 
                if (range) { 
                    range = computeVisibleDayRange(range); 
                } 
                return range; 
            } 
            return null; 
        }; 
        /* Hidden Days 
        ------------------------------------------------------------------------------------------------------------------*/ 
        // Initializes internal variables related to calculating hidden days-of-week 
        DateProfileGenerator.prototype.initHiddenDays = function () { 
            var hiddenDays = this.props.hiddenDays || []; // array of day-of-week indices that are hidden 
            var isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool) 
            var dayCnt = 0; 
            var i; 
            if (this.props.weekends === false) { 
                hiddenDays.push(0, 6); // 0=sunday, 6=saturday 
            } 
            for (i = 0; i < 7; i++) { 
                if (!(isHiddenDayHash[i] = hiddenDays.indexOf(i) !== -1)) { 
                    dayCnt++; 
                } 
            } 
            if (!dayCnt) { 
                throw new Error('invalid hiddenDays'); // all days were hidden? bad. 
            } 
            this.isHiddenDayHash = isHiddenDayHash; 
        }; 
        // Remove days from the beginning and end of the range that are computed as hidden. 
        // If the whole range is trimmed off, returns null 
        DateProfileGenerator.prototype.trimHiddenDays = function (range) { 
            var start = range.start; 
            var end = range.end; 
            if (start) { 
                start = this.skipHiddenDays(start); 
            } 
            if (end) { 
                end = this.skipHiddenDays(end, -1, true); 
            } 
            if (start == null || end == null || start < end) { 
                return { start: start, end: end }; 
            } 
            return null; 
        }; 
        // Is the current day hidden? 
        // `day` is a day-of-week index (0-6), or a Date (used for UTC) 
        DateProfileGenerator.prototype.isHiddenDay = function (day) { 
            if (day instanceof Date) { 
                day = day.getUTCDay(); 
            } 
            return this.isHiddenDayHash[day]; 
        }; 
        // Incrementing the current day until it is no longer a hidden day, returning a copy. 
        // DOES NOT CONSIDER validRange! 
        // If the initial value of `date` is not a hidden day, don't do anything. 
        // Pass `isExclusive` as `true` if you are dealing with an end date. 
        // `inc` defaults to `1` (increment one day forward each time) 
        DateProfileGenerator.prototype.skipHiddenDays = function (date, inc, isExclusive) { 
            if (inc === void 0) { inc = 1; } 
            if (isExclusive === void 0) { isExclusive = false; } 
            while (this.isHiddenDayHash[(date.getUTCDay() + (isExclusive ? inc : 0) + 7) % 7]) { 
                date = addDays(date, inc); 
            } 
            return date; 
        }; 
        return DateProfileGenerator; 
    }()); 
 
    function reduceViewType(viewType, action) { 
        switch (action.type) { 
            case 'CHANGE_VIEW_TYPE': 
                return viewType = action.viewType; 
        } 
        return viewType; 
    } 
 
    function reduceDynamicOptionOverrides(dynamicOptionOverrides, action) { 
        var _a; 
        switch (action.type) { 
            case 'SET_OPTION': 
                return __assign(__assign({}, dynamicOptionOverrides), (_a = {}, _a[action.optionName] = action.rawOptionValue, _a)); 
            default: 
                return dynamicOptionOverrides; 
        } 
    } 
 
    function reduceDateProfile(currentDateProfile, action, currentDate, dateProfileGenerator) { 
        var dp; 
        switch (action.type) { 
            case 'CHANGE_VIEW_TYPE': 
                return dateProfileGenerator.build(action.dateMarker || currentDate); 
            case 'CHANGE_DATE': 
                if (!currentDateProfile.activeRange || 
                    !rangeContainsMarker(currentDateProfile.currentRange, action.dateMarker) // don't move if date already in view 
                ) { 
                    return dateProfileGenerator.build(action.dateMarker); 
                } 
                break; 
            case 'PREV': 
                dp = dateProfileGenerator.buildPrev(currentDateProfile, currentDate); 
                if (dp.isValid) { 
                    return dp; 
                } 
                break; 
            case 'NEXT': 
                dp = dateProfileGenerator.buildNext(currentDateProfile, currentDate); 
                if (dp.isValid) { 
                    return dp; 
                } 
                break; 
        } 
        return currentDateProfile; 
    } 
 
    function initEventSources(calendarOptions, dateProfile, context) { 
        var activeRange = dateProfile ? dateProfile.activeRange : null; 
        return addSources({}, parseInitialSources(calendarOptions, context), activeRange, context); 
    } 
    function reduceEventSources(eventSources, action, dateProfile, context) { 
        var activeRange = dateProfile ? dateProfile.activeRange : null; // need this check? 
        switch (action.type) { 
            case 'ADD_EVENT_SOURCES': // already parsed 
                return addSources(eventSources, action.sources, activeRange, context); 
            case 'REMOVE_EVENT_SOURCE': 
                return removeSource(eventSources, action.sourceId); 
            case 'PREV': // TODO: how do we track all actions that affect dateProfile :( 
            case 'NEXT': 
            case 'CHANGE_DATE': 
            case 'CHANGE_VIEW_TYPE': 
                if (dateProfile) { 
                    return fetchDirtySources(eventSources, activeRange, context); 
                } 
                else { 
                    return eventSources; 
                } 
            case 'FETCH_EVENT_SOURCES': 
                return fetchSourcesByIds(eventSources, action.sourceIds ? // why no type? 
                    arrayToHash(action.sourceIds) : 
                    excludeStaticSources(eventSources, context), activeRange, context); 
            case 'RECEIVE_EVENTS': 
            case 'RECEIVE_EVENT_ERROR': 
                return receiveResponse(eventSources, action.sourceId, action.fetchId, action.fetchRange); 
            case 'REMOVE_ALL_EVENT_SOURCES': 
                return {}; 
            default: 
                return eventSources; 
        } 
    } 
    function reduceEventSourcesNewTimeZone(eventSources, dateProfile, context) { 
        var activeRange = dateProfile ? dateProfile.activeRange : null; // need this check? 
        return fetchSourcesByIds(eventSources, excludeStaticSources(eventSources, context), activeRange, context); 
    } 
    function computeEventSourceLoadingLevel(eventSources) { 
        var cnt = 0; 
        for (var sourceId in eventSources) { 
            if (eventSources[sourceId].isFetching) { 
                cnt++; 
            } 
        } 
        return cnt; 
    } 
    function addSources(eventSourceHash, sources, fetchRange, context) { 
        var hash = {}; 
        for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { 
            var source = sources_1[_i]; 
            hash[source.sourceId] = source; 
        } 
        if (fetchRange) { 
            hash = fetchDirtySources(hash, fetchRange, context); 
        } 
        return __assign(__assign({}, eventSourceHash), hash); 
    } 
    function removeSource(eventSourceHash, sourceId) { 
        return filterHash(eventSourceHash, function (eventSource) { 
            return eventSource.sourceId !== sourceId; 
        }); 
    } 
    function fetchDirtySources(sourceHash, fetchRange, context) { 
        return fetchSourcesByIds(sourceHash, filterHash(sourceHash, function (eventSource) { 
            return isSourceDirty(eventSource, fetchRange, context); 
        }), fetchRange, context); 
    } 
    function isSourceDirty(eventSource, fetchRange, context) { 
        if (!doesSourceNeedRange(eventSource, context)) { 
            return !eventSource.latestFetchId; 
        } 
        else { 
            return !context.options.lazyFetching || 
                !eventSource.fetchRange || 
                eventSource.isFetching || // always cancel outdated in-progress fetches 
                fetchRange.start < eventSource.fetchRange.start || 
                fetchRange.end > eventSource.fetchRange.end; 
        } 
    } 
    function fetchSourcesByIds(prevSources, sourceIdHash, fetchRange, context) { 
        var nextSources = {}; 
        for (var sourceId in prevSources) { 
            var source = prevSources[sourceId]; 
            if (sourceIdHash[sourceId]) { 
                nextSources[sourceId] = fetchSource(source, fetchRange, context); 
            } 
            else { 
                nextSources[sourceId] = source; 
            } 
        } 
        return nextSources; 
    } 
    function fetchSource(eventSource, fetchRange, context) { 
        var options = context.options, calendarApi = context.calendarApi; 
        var sourceDef = context.pluginHooks.eventSourceDefs[eventSource.sourceDefId]; 
        var fetchId = guid(); 
        sourceDef.fetch({ 
            eventSource: eventSource, 
            range: fetchRange, 
            context: context 
        }, function (res) { 
            var rawEvents = res.rawEvents; 
            if (options.eventSourceSuccess) { 
                rawEvents = options.eventSourceSuccess.call(calendarApi, rawEvents, res.xhr) || rawEvents; 
            } 
            if (eventSource.success) { 
                rawEvents = eventSource.success.call(calendarApi, rawEvents, res.xhr) || rawEvents; 
            } 
            context.dispatch({ 
                type: 'RECEIVE_EVENTS', 
                sourceId: eventSource.sourceId, 
                fetchId: fetchId, 
                fetchRange: fetchRange, 
                rawEvents: rawEvents 
            }); 
        }, function (error) { 
            console.warn(error.message, error); 
            if (options.eventSourceFailure) { 
                options.eventSourceFailure.call(calendarApi, error); 
            } 
            if (eventSource.failure) { 
                eventSource.failure(error); 
            } 
            context.dispatch({ 
                type: 'RECEIVE_EVENT_ERROR', 
                sourceId: eventSource.sourceId, 
                fetchId: fetchId, 
                fetchRange: fetchRange, 
                error: error 
            }); 
        }); 
        return __assign(__assign({}, eventSource), { isFetching: true, latestFetchId: fetchId }); 
    } 
    function receiveResponse(sourceHash, sourceId, fetchId, fetchRange) { 
        var _a; 
        var eventSource = sourceHash[sourceId]; 
        if (eventSource && // not already removed 
            fetchId === eventSource.latestFetchId) { 
            return __assign(__assign({}, sourceHash), (_a = {}, _a[sourceId] = __assign(__assign({}, eventSource), { isFetching: false, fetchRange: fetchRange // also serves as a marker that at least one fetch has completed 
             }), _a)); 
        } 
        return sourceHash; 
    } 
    function excludeStaticSources(eventSources, context) { 
        return filterHash(eventSources, function (eventSource) { 
            return doesSourceNeedRange(eventSource, context); 
        }); 
    } 
    function parseInitialSources(rawOptions, context) { 
        var refiners = buildEventSourceRefiners(context); 
        var rawSources = [].concat(rawOptions.eventSources || []); 
        var sources = []; // parsed 
        if (rawOptions.initialEvents) { 
            rawSources.unshift(rawOptions.initialEvents); 
        } 
        if (rawOptions.events) { 
            rawSources.unshift(rawOptions.events); 
        } 
        for (var _i = 0, rawSources_1 = rawSources; _i < rawSources_1.length; _i++) { 
            var rawSource = rawSources_1[_i]; 
            var source = parseEventSource(rawSource, context, refiners); 
            if (source) { 
                sources.push(source); 
            } 
        } 
        return sources; 
    } 
    function doesSourceNeedRange(eventSource, context) { 
        var defs = context.pluginHooks.eventSourceDefs; 
        return !defs[eventSource.sourceDefId].ignoreRange; 
    } 
 
    function reduceDateSelection(currentSelection, action) { 
        switch (action.type) { 
            case 'UNSELECT_DATES': 
                return null; 
            case 'SELECT_DATES': 
                return action.selection; 
            default: 
                return currentSelection; 
        } 
    } 
 
    function reduceSelectedEvent(currentInstanceId, action) { 
        switch (action.type) { 
            case 'UNSELECT_EVENT': 
                return ''; 
            case 'SELECT_EVENT': 
                return action.eventInstanceId; 
            default: 
                return currentInstanceId; 
        } 
    } 
 
    function reduceEventDrag(currentDrag, action) { 
        var newDrag; 
        switch (action.type) { 
            case 'UNSET_EVENT_DRAG': 
                return null; 
            case 'SET_EVENT_DRAG': 
                newDrag = action.state; 
                return { 
                    affectedEvents: newDrag.affectedEvents, 
                    mutatedEvents: newDrag.mutatedEvents, 
                    isEvent: newDrag.isEvent 
                }; 
            default: 
                return currentDrag; 
        } 
    } 
 
    function reduceEventResize(currentResize, action) { 
        var newResize; 
        switch (action.type) { 
            case 'UNSET_EVENT_RESIZE': 
                return null; 
            case 'SET_EVENT_RESIZE': 
                newResize = action.state; 
                return { 
                    affectedEvents: newResize.affectedEvents, 
                    mutatedEvents: newResize.mutatedEvents, 
                    isEvent: newResize.isEvent 
                }; 
            default: 
                return currentResize; 
        } 
    } 
 
    function parseToolbars(calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) { 
        var viewsWithButtons = []; 
        var headerToolbar = calendarOptions.headerToolbar ? parseToolbar(calendarOptions.headerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) : null; 
        var footerToolbar = calendarOptions.footerToolbar ? parseToolbar(calendarOptions.footerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) : null; 
        return { headerToolbar: headerToolbar, footerToolbar: footerToolbar, viewsWithButtons: viewsWithButtons }; 
    } 
    function parseToolbar(sectionStrHash, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons // dump side effects 
    ) { 
        return mapHash(sectionStrHash, function (sectionStr) { return parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons); }); 
    } 
    /* 
    BAD: querying icons and text here. should be done at render time 
    */ 
    function parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons // dump side effects 
    ) { 
        var isRtl = calendarOptions.direction === 'rtl'; 
        var calendarCustomButtons = calendarOptions.customButtons || {}; 
        var calendarButtonTextOverrides = calendarOptionOverrides.buttonText || {}; 
        var calendarButtonText = calendarOptions.buttonText || {}; 
        var sectionSubstrs = sectionStr ? sectionStr.split(' ') : []; 
        return sectionSubstrs.map(function (buttonGroupStr) { 
            return buttonGroupStr.split(',').map(function (buttonName) { 
                if (buttonName === 'title') { 
                    return { buttonName: buttonName }; 
                } 
                else { 
                    var customButtonProps_1; 
                    var viewSpec = void 0; 
                    var buttonClick = void 0; 
                    var buttonIcon = void 0; // only one of these will be set 
                    var buttonText = void 0; // " 
                    if ((customButtonProps_1 = calendarCustomButtons[buttonName])) { 
                        buttonClick = function (ev) { 
                            if (customButtonProps_1.click) { 
                                customButtonProps_1.click.call(ev.target, ev); // TODO: correct to use `target`? 
                            } 
                        }; 
                        (buttonIcon = theme.getCustomButtonIconClass(customButtonProps_1)) || 
                            (buttonIcon = theme.getIconClass(buttonName, isRtl)) || 
                            (buttonText = customButtonProps_1.text); 
                    } 
                    else if ((viewSpec = viewSpecs[buttonName])) { 
                        viewsWithButtons.push(buttonName); 
                        buttonClick = function () { 
                            calendarApi.changeView(buttonName); 
                        }; 
                        (buttonText = viewSpec.buttonTextOverride) || 
                            (buttonIcon = theme.getIconClass(buttonName, isRtl)) || 
                            (buttonText = viewSpec.buttonTextDefault); 
                    } 
                    else if (calendarApi[buttonName]) { // a calendarApi method 
                        buttonClick = function () { 
                            calendarApi[buttonName](); 
                        }; 
                        (buttonText = calendarButtonTextOverrides[buttonName]) || 
                            (buttonIcon = theme.getIconClass(buttonName, isRtl)) || 
                            (buttonText = calendarButtonText[buttonName]); 
                        //            ^ everything else is considered default 
                    } 
                    return { buttonName: buttonName, buttonClick: buttonClick, buttonIcon: buttonIcon, buttonText: buttonText }; 
                } 
            }); 
        }); 
    } 
 
    var eventSourceDef = { 
        ignoreRange: true, 
        parseMeta: function (refined) { 
            if (Array.isArray(refined.events)) { 
                return refined.events; 
            } 
            return null; 
        }, 
        fetch: function (arg, success) { 
            success({ 
                rawEvents: arg.eventSource.meta 
            }); 
        } 
    }; 
    var arrayEventSourcePlugin = createPlugin({ 
        eventSourceDefs: [eventSourceDef] 
    }); 
 
    var eventSourceDef$1 = { 
        parseMeta: function (refined) { 
            if (typeof refined.events === 'function') { 
                return refined.events; 
            } 
            return null; 
        }, 
        fetch: function (arg, success, failure) { 
            var dateEnv = arg.context.dateEnv; 
            var func = arg.eventSource.meta; 
            unpromisify(func.bind(null, buildRangeApiWithTimeZone(arg.range, dateEnv)), function (rawEvents) { 
                success({ rawEvents: rawEvents }); // needs an object response 
            }, failure // send errorObj directly to failure callback 
            ); 
        } 
    }; 
    var funcEventSourcePlugin = createPlugin({ 
        eventSourceDefs: [eventSourceDef$1] 
    }); 
 
    function requestJson(method, url, params, successCallback, failureCallback) { 
        method = method.toUpperCase(); 
        var body = null; 
        if (method === 'GET') { 
            url = injectQueryStringParams(url, params); 
        } 
        else { 
            body = encodeParams(params); 
        } 
        var xhr = new XMLHttpRequest(); 
        xhr.open(method, url, true); 
        if (method !== 'GET') { 
            xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); 
        } 
        xhr.onload = function () { 
            if (xhr.status >= 200 && xhr.status < 400) { 
                var parsed = false; 
                var res = void 0; 
                try { 
                    res = JSON.parse(xhr.responseText); 
                    parsed = true; 
                } 
                catch (err) { 
                    // will handle parsed=false 
                } 
                if (parsed) { 
                    successCallback(res, xhr); 
                } 
                else { 
                    failureCallback('Failure parsing JSON', xhr); 
                } 
            } 
            else { 
                failureCallback('Request failed', xhr); 
            } 
        }; 
        xhr.onerror = function () { 
            failureCallback('Request failed', xhr); 
        }; 
        xhr.send(body); 
    } 
    function injectQueryStringParams(url, params) { 
        return url + 
            (url.indexOf('?') === -1 ? '?' : '&') + 
            encodeParams(params); 
    } 
    function encodeParams(params) { 
        var parts = []; 
        for (var key in params) { 
            parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(params[key])); 
        } 
        return parts.join('&'); 
    } 
 
    var JSON_FEED_EVENT_SOURCE_REFINERS = { 
        method: String, 
        extraParams: identity, 
        startParam: String, 
        endParam: String, 
        timeZoneParam: String 
    }; 
 
    var eventSourceDef$2 = { 
        parseMeta: function (refined) { 
            if (refined.url) { 
                return { 
                    url: refined.url, 
                    method: (refined.method || 'GET').toUpperCase(), 
                    extraParams: refined.extraParams, 
                    startParam: refined.startParam, 
                    endParam: refined.endParam, 
                    timeZoneParam: refined.timeZoneParam 
                }; 
            } 
            return null; 
        }, 
        fetch: function (arg, success, failure) { 
            var meta = arg.eventSource.meta; 
            var requestParams = buildRequestParams(meta, arg.range, arg.context); 
            requestJson(meta.method, meta.url, requestParams, function (rawEvents, xhr) { 
                success({ rawEvents: rawEvents, xhr: xhr }); 
            }, function (errorMessage, xhr) { 
                failure({ message: errorMessage, xhr: xhr }); 
            }); 
        } 
    }; 
    var jsonFeedEventSourcePlugin = createPlugin({ 
        eventSourceRefiners: JSON_FEED_EVENT_SOURCE_REFINERS, 
        eventSourceDefs: [eventSourceDef$2] 
    }); 
    function buildRequestParams(meta, range, context) { 
        var dateEnv = context.dateEnv, options = context.options; 
        var startParam; 
        var endParam; 
        var timeZoneParam; 
        var customRequestParams; 
        var params = {}; 
        startParam = meta.startParam; 
        if (startParam == null) { 
            startParam = options.startParam; 
        } 
        endParam = meta.endParam; 
        if (endParam == null) { 
            endParam = options.endParam; 
        } 
        timeZoneParam = meta.timeZoneParam; 
        if (timeZoneParam == null) { 
            timeZoneParam = options.timeZoneParam; 
        } 
        // retrieve any outbound GET/POST data from the options 
        if (typeof meta.extraParams === 'function') { 
            // supplied as a function that returns a key/value object 
            customRequestParams = meta.extraParams(); 
        } 
        else { 
            // probably supplied as a straight key/value object 
            customRequestParams = meta.extraParams || {}; 
        } 
        __assign(params, customRequestParams); 
        params[startParam] = dateEnv.formatIso(range.start); 
        params[endParam] = dateEnv.formatIso(range.end); 
        if (dateEnv.timeZone !== 'local') { 
            params[timeZoneParam] = dateEnv.timeZone; 
        } 
        return params; 
    } 
 
    var SIMPLE_RECURRING_REFINERS = { 
        daysOfWeek: identity, 
        startTime: createDuration, 
        endTime: createDuration, 
        duration: createDuration, 
        startRecur: identity, 
        endRecur: identity 
    }; 
 
    var recurring = { 
        parse: function (refined, dateEnv) { 
            if (refined.daysOfWeek || refined.startTime || refined.endTime || refined.startRecur || refined.endRecur) { 
                var recurringData = { 
                    daysOfWeek: refined.daysOfWeek || null, 
                    startTime: refined.startTime || null, 
                    endTime: refined.endTime || null, 
                    startRecur: refined.startRecur ? dateEnv.createMarker(refined.startRecur) : null, 
                    endRecur: refined.endRecur ? dateEnv.createMarker(refined.endRecur) : null 
                }; 
                var duration = void 0; 
                if (refined.duration) { 
                    duration = refined.duration; 
                } 
                if (!duration && refined.startTime && refined.endTime) { 
                    duration = subtractDurations(refined.endTime, refined.startTime); 
                } 
                return { 
                    allDayGuess: Boolean(!refined.startTime && !refined.endTime), 
                    duration: duration, 
                    typeData: recurringData // doesn't need endTime anymore but oh well 
                }; 
            } 
            return null; 
        }, 
        expand: function (typeData, framingRange, dateEnv) { 
            var clippedFramingRange = intersectRanges(framingRange, { start: typeData.startRecur, end: typeData.endRecur }); 
            if (clippedFramingRange) { 
                return expandRanges(typeData.daysOfWeek, typeData.startTime, clippedFramingRange, dateEnv); 
            } 
            else { 
                return []; 
            } 
        } 
    }; 
    var simpleRecurringEventsPlugin = createPlugin({ 
        recurringTypes: [recurring], 
        eventRefiners: SIMPLE_RECURRING_REFINERS 
    }); 
    function expandRanges(daysOfWeek, startTime, framingRange, dateEnv) { 
        var dowHash = daysOfWeek ? arrayToHash(daysOfWeek) : null; 
        var dayMarker = startOfDay(framingRange.start); 
        var endMarker = framingRange.end; 
        var instanceStarts = []; 
        while (dayMarker < endMarker) { 
            var instanceStart  
            // if everyday, or this particular day-of-week 
            = void 0; 
            // if everyday, or this particular day-of-week 
            if (!dowHash || dowHash[dayMarker.getUTCDay()]) { 
                if (startTime) { 
                    instanceStart = dateEnv.add(dayMarker, startTime); 
                } 
                else { 
                    instanceStart = dayMarker; 
                } 
                instanceStarts.push(instanceStart); 
            } 
            dayMarker = addDays(dayMarker, 1); 
        } 
        return instanceStarts; 
    } 
 
    var changeHandlerPlugin = createPlugin({ 
        optionChangeHandlers: { 
            events: function (events, context) { 
                handleEventSources([events], context); 
            }, 
            eventSources: handleEventSources 
        } 
    }); 
    /* 
    BUG: if `event` was supplied, all previously-given `eventSources` will be wiped out 
    */ 
    function handleEventSources(inputs, context) { 
        var unfoundSources = hashValuesToArray(context.getCurrentData().eventSources); 
        var newInputs = []; 
        for (var _i = 0, inputs_1 = inputs; _i < inputs_1.length; _i++) { 
            var input = inputs_1[_i]; 
            var inputFound = false; 
            for (var i = 0; i < unfoundSources.length; i++) { 
                if (unfoundSources[i]._raw === input) { 
                    unfoundSources.splice(i, 1); // delete 
                    inputFound = true; 
                    break; 
                } 
            } 
            if (!inputFound) { 
                newInputs.push(input); 
            } 
        } 
        for (var _a = 0, unfoundSources_1 = unfoundSources; _a < unfoundSources_1.length; _a++) { 
            var unfoundSource = unfoundSources_1[_a]; 
            context.dispatch({ 
                type: 'REMOVE_EVENT_SOURCE', 
                sourceId: unfoundSource.sourceId 
            }); 
        } 
        for (var _b = 0, newInputs_1 = newInputs; _b < newInputs_1.length; _b++) { 
            var newInput = newInputs_1[_b]; 
            context.calendarApi.addEventSource(newInput); 
        } 
    } 
 
    function handleDateProfile(dateProfile, context) { 
        context.emitter.trigger('datesSet', __assign(__assign({}, buildRangeApiWithTimeZone(dateProfile.activeRange, context.dateEnv)), { view: context.viewApi })); 
    } 
 
    function handleEventStore(eventStore, context) { 
        var emitter = context.emitter; 
        if (emitter.hasHandlers('eventsSet')) { 
            emitter.trigger('eventsSet', buildEventApis(eventStore, context)); 
        } 
    } 
 
    /* 
    this array is exposed on the root namespace so that UMD plugins can add to it. 
    see the rollup-bundles script. 
    */ 
    var globalPlugins = [ 
        arrayEventSourcePlugin, 
        funcEventSourcePlugin, 
        jsonFeedEventSourcePlugin, 
        simpleRecurringEventsPlugin, 
        changeHandlerPlugin, 
        createPlugin({ 
            contentTypeHandlers: { 
                html: function () { return injectHtml; }, 
                domNodes: function () { return injectDomNodes; } 
            }, 
            propSetHandlers: { 
                dateProfile: handleDateProfile, 
                eventStore: handleEventStore 
            } 
        }) 
    ]; 
 
    var DelayedRunner = /** @class */ (function () { 
        function DelayedRunner(drainedOption) { 
            this.drainedOption = drainedOption; 
            this.isRunning = false; 
            this.isDirty = false; 
            this.pauseDepths = {}; 
            this.timeoutId = 0; 
        } 
        DelayedRunner.prototype.request = function (delay) { 
            this.isDirty = true; 
            if (!this.isPaused()) { 
                this.clearTimeout(); 
                if (delay == null) { 
                    this.tryDrain(); 
                } 
                else { 
                    this.timeoutId = setTimeout(// NOT OPTIMAL! TODO: look at debounce 
                    this.tryDrain.bind(this), delay); 
                } 
            } 
        }; 
        DelayedRunner.prototype.pause = function (scope) { 
            if (scope === void 0) { scope = ''; } 
            var pauseDepths = this.pauseDepths; 
            pauseDepths[scope] = (pauseDepths[scope] || 0) + 1; 
            this.clearTimeout(); 
        }; 
        DelayedRunner.prototype.resume = function (scope, force) { 
            if (scope === void 0) { scope = ''; } 
            var pauseDepths = this.pauseDepths; 
            if (scope in pauseDepths) { 
                if (force) { 
                    delete pauseDepths[scope]; 
                } 
                else { 
                    var depth = --pauseDepths[scope]; 
                    if (depth <= 0) { 
                        delete pauseDepths[scope]; 
                    } 
                } 
                this.tryDrain(); 
            } 
        }; 
        DelayedRunner.prototype.isPaused = function () { 
            return Object.keys(this.pauseDepths).length; 
        }; 
        DelayedRunner.prototype.tryDrain = function () { 
            if (!this.isRunning && !this.isPaused()) { 
                this.isRunning = true; 
                while (this.isDirty) { 
                    this.isDirty = false; 
                    this.drained(); // might set isDirty to true again 
                } 
                this.isRunning = false; 
            } 
        }; 
        DelayedRunner.prototype.clear = function () { 
            this.clearTimeout(); 
            this.isDirty = false; 
            this.pauseDepths = {}; 
        }; 
        DelayedRunner.prototype.clearTimeout = function () { 
            if (this.timeoutId) { 
                clearTimeout(this.timeoutId); 
                this.timeoutId = 0; 
            } 
        }; 
        DelayedRunner.prototype.drained = function () { 
            if (this.drainedOption) { 
                this.drainedOption(); 
            } 
        }; 
        return DelayedRunner; 
    }()); 
    var TaskRunner = /** @class */ (function () { 
        function TaskRunner(runTaskOption, drainedOption) { 
            this.runTaskOption = runTaskOption; 
            this.drainedOption = drainedOption; 
            this.queue = []; 
            this.delayedRunner = new DelayedRunner(this.drain.bind(this)); 
        } 
        TaskRunner.prototype.request = function (task, delay) { 
            this.queue.push(task); 
            this.delayedRunner.request(delay); 
        }; 
        TaskRunner.prototype.pause = function (scope) { 
            this.delayedRunner.pause(scope); 
        }; 
        TaskRunner.prototype.resume = function (scope, force) { 
            this.delayedRunner.resume(scope, force); 
        }; 
        TaskRunner.prototype.drain = function () { 
            var queue = this.queue; 
            while (queue.length) { 
                var completedTasks = []; 
                var task = void 0; 
                while ((task = queue.shift())) { 
                    this.runTask(task); 
                    completedTasks.push(task); 
                } 
                this.drained(completedTasks); 
            } // keep going, in case new tasks were added in the drained handler 
        }; 
        TaskRunner.prototype.runTask = function (task) { 
            if (this.runTaskOption) { 
                this.runTaskOption(task); 
            } 
        }; 
        TaskRunner.prototype.drained = function (completedTasks) { 
            if (this.drainedOption) { 
                this.drainedOption(completedTasks); 
            } 
        }; 
        return TaskRunner; 
    }()); 
 
    // Computes what the title at the top of the calendarApi should be for this view 
    function buildTitle(dateProfile, viewOptions, dateEnv) { 
        var range; 
        // for views that span a large unit of time, show the proper interval, ignoring stray days before and after 
        if (/^(year|month)$/.test(dateProfile.currentRangeUnit)) { 
            range = dateProfile.currentRange; 
        } 
        else { // for day units or smaller, use the actual day range 
            range = dateProfile.activeRange; 
        } 
        return dateEnv.formatRange(range.start, range.end, createFormatter(viewOptions.titleFormat || buildTitleFormat(dateProfile)), { 
            isEndExclusive: dateProfile.isRangeAllDay, 
            defaultSeparator: viewOptions.titleRangeSeparator 
        }); 
    } 
    // Generates the format string that should be used to generate the title for the current date range. 
    // Attempts to compute the most appropriate format if not explicitly specified with `titleFormat`. 
    function buildTitleFormat(dateProfile) { 
        var currentRangeUnit = dateProfile.currentRangeUnit; 
        if (currentRangeUnit === 'year') { 
            return { year: 'numeric' }; 
        } 
        else if (currentRangeUnit === 'month') { 
            return { year: 'numeric', month: 'long' }; // like "September 2014" 
        } 
        else { 
            var days = diffWholeDays(dateProfile.currentRange.start, dateProfile.currentRange.end); 
            if (days !== null && days > 1) { 
                // multi-day range. shorter, like "Sep 9 - 10 2014" 
                return { year: 'numeric', month: 'short', day: 'numeric' }; 
            } 
            else { 
                // one day. longer, like "September 9 2014" 
                return { year: 'numeric', month: 'long', day: 'numeric' }; 
            } 
        } 
    } 
 
    // in future refactor, do the redux-style function(state=initial) for initial-state 
    // also, whatever is happening in constructor, have it happen in action queue too 
    var CalendarDataManager = /** @class */ (function () { 
        function CalendarDataManager(props) { 
            var _this = this; 
            this.computeOptionsData = memoize(this._computeOptionsData); 
            this.computeCurrentViewData = memoize(this._computeCurrentViewData); 
            this.organizeRawLocales = memoize(organizeRawLocales); 
            this.buildLocale = memoize(buildLocale); 
            this.buildPluginHooks = buildBuildPluginHooks(); 
            this.buildDateEnv = memoize(buildDateEnv$1); 
            this.buildTheme = memoize(buildTheme); 
            this.parseToolbars = memoize(parseToolbars); 
            this.buildViewSpecs = memoize(buildViewSpecs); 
            this.buildDateProfileGenerator = memoizeObjArg(buildDateProfileGenerator); 
            this.buildViewApi = memoize(buildViewApi); 
            this.buildViewUiProps = memoizeObjArg(buildViewUiProps); 
            this.buildEventUiBySource = memoize(buildEventUiBySource, isPropsEqual); 
            this.buildEventUiBases = memoize(buildEventUiBases); 
            this.parseContextBusinessHours = memoizeObjArg(parseContextBusinessHours); 
            this.buildTitle = memoize(buildTitle); 
            this.emitter = new Emitter(); 
            this.actionRunner = new TaskRunner(this._handleAction.bind(this), this.updateData.bind(this)); 
            this.currentCalendarOptionsInput = {}; 
            this.currentCalendarOptionsRefined = {}; 
            this.currentViewOptionsInput = {}; 
            this.currentViewOptionsRefined = {}; 
            this.currentCalendarOptionsRefiners = {}; 
            this.getCurrentData = function () { 
                return _this.data; 
            }; 
            this.dispatch = function (action) { 
                _this.actionRunner.request(action); // protects against recursive calls to _handleAction 
            }; 
            this.props = props; 
            this.actionRunner.pause(); 
            var dynamicOptionOverrides = {}; 
            var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi); 
            var currentViewType = optionsData.calendarOptions.initialView || optionsData.pluginHooks.initialView; 
            var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides); 
            // wire things up 
            // TODO: not DRY 
            props.calendarApi.currentDataManager = this; 
            this.emitter.setThisContext(props.calendarApi); 
            this.emitter.setOptions(currentViewData.options); 
            var currentDate = getInitialDate(optionsData.calendarOptions, optionsData.dateEnv); 
            var dateProfile = currentViewData.dateProfileGenerator.build(currentDate); 
            if (!rangeContainsMarker(dateProfile.activeRange, currentDate)) { 
                currentDate = dateProfile.currentRange.start; 
            } 
            var calendarContext = { 
                dateEnv: optionsData.dateEnv, 
                options: optionsData.calendarOptions, 
                pluginHooks: optionsData.pluginHooks, 
                calendarApi: props.calendarApi, 
                dispatch: this.dispatch, 
                emitter: this.emitter, 
                getCurrentData: this.getCurrentData 
            }; 
            // needs to be after setThisContext 
            for (var _i = 0, _a = optionsData.pluginHooks.contextInit; _i < _a.length; _i++) { 
                var callback = _a[_i]; 
                callback(calendarContext); 
            } 
            // NOT DRY 
            var eventSources = initEventSources(optionsData.calendarOptions, dateProfile, calendarContext); 
            var initialState = { 
                dynamicOptionOverrides: dynamicOptionOverrides, 
                currentViewType: currentViewType, 
                currentDate: currentDate, 
                dateProfile: dateProfile, 
                businessHours: this.parseContextBusinessHours(calendarContext), 
                eventSources: eventSources, 
                eventUiBases: {}, 
                loadingLevel: computeEventSourceLoadingLevel(eventSources), 
                eventStore: createEmptyEventStore(), 
                renderableEventStore: createEmptyEventStore(), 
                dateSelection: null, 
                eventSelection: '', 
                eventDrag: null, 
                eventResize: null, 
                selectionConfig: this.buildViewUiProps(calendarContext).selectionConfig 
            }; 
            var contextAndState = __assign(__assign({}, calendarContext), initialState); 
            for (var _b = 0, _c = optionsData.pluginHooks.reducers; _b < _c.length; _b++) { 
                var reducer = _c[_b]; 
                __assign(initialState, reducer(null, null, contextAndState)); 
            } 
            if (initialState.loadingLevel) { 
                this.emitter.trigger('loading', true); // NOT DRY 
            } 
            this.state = initialState; 
            this.updateData(); 
            this.actionRunner.resume(); 
        } 
        CalendarDataManager.prototype.resetOptions = function (optionOverrides, append) { 
            var props = this.props; 
            props.optionOverrides = append 
                ? __assign(__assign({}, props.optionOverrides), optionOverrides) : optionOverrides; 
            this.actionRunner.request({ 
                type: 'NOTHING' 
            }); 
        }; 
        CalendarDataManager.prototype._handleAction = function (action) { 
            var _a = this, props = _a.props, state = _a.state, emitter = _a.emitter; 
            var dynamicOptionOverrides = reduceDynamicOptionOverrides(state.dynamicOptionOverrides, action); 
            var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi); 
            var currentViewType = reduceViewType(state.currentViewType, action); 
            var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides); 
            // wire things up 
            // TODO: not DRY 
            props.calendarApi.currentDataManager = this; 
            emitter.setThisContext(props.calendarApi); 
            emitter.setOptions(currentViewData.options); 
            var calendarContext = { 
                dateEnv: optionsData.dateEnv, 
                options: optionsData.calendarOptions, 
                pluginHooks: optionsData.pluginHooks, 
                calendarApi: props.calendarApi, 
                dispatch: this.dispatch, 
                emitter: emitter, 
                getCurrentData: this.getCurrentData 
            }; 
            var currentDate = state.currentDate; 
            var dateProfile = state.dateProfile; 
            if (this.data && this.data.dateProfileGenerator !== currentViewData.dateProfileGenerator) { // hack 
                dateProfile = currentViewData.dateProfileGenerator.build(currentDate); 
            } 
            currentDate = reduceCurrentDate(currentDate, action); 
            dateProfile = reduceDateProfile(dateProfile, action, currentDate, currentViewData.dateProfileGenerator); 
            if (!rangeContainsMarker(dateProfile.currentRange, currentDate)) { 
                currentDate = dateProfile.currentRange.start; 
            } 
            var eventSources = reduceEventSources(state.eventSources, action, dateProfile, calendarContext); 
            var eventSourceLoadingLevel = computeEventSourceLoadingLevel(eventSources); 
            var eventStore = reduceEventStore(state.eventStore, action, eventSources, dateProfile, calendarContext); 
            var renderableEventStore = (eventSourceLoadingLevel && !currentViewData.options.progressiveEventRendering) ? 
                (state.renderableEventStore || eventStore) : // try from previous state 
                eventStore; 
            var _b = this.buildViewUiProps(calendarContext), eventUiSingleBase = _b.eventUiSingleBase, selectionConfig = _b.selectionConfig; // will memoize obj 
            var eventUiBySource = this.buildEventUiBySource(eventSources); 
            var eventUiBases = this.buildEventUiBases(renderableEventStore.defs, eventUiSingleBase, eventUiBySource); 
            var prevLoadingLevel = state.loadingLevel || 0; 
            var loadingLevel = eventSourceLoadingLevel; 
            var newState = { 
                dynamicOptionOverrides: dynamicOptionOverrides, 
                currentViewType: currentViewType, 
                currentDate: currentDate, 
                dateProfile: dateProfile, 
                eventSources: eventSources, 
                eventStore: eventStore, 
                renderableEventStore: renderableEventStore, 
                selectionConfig: selectionConfig, 
                eventUiBases: eventUiBases, 
                loadingLevel: loadingLevel, 
                businessHours: this.parseContextBusinessHours(calendarContext), 
                dateSelection: reduceDateSelection(state.dateSelection, action), 
                eventSelection: reduceSelectedEvent(state.eventSelection, action), 
                eventDrag: reduceEventDrag(state.eventDrag, action), 
                eventResize: reduceEventResize(state.eventResize, action) 
            }; 
            var contextAndState = __assign(__assign({}, calendarContext), newState); 
            for (var _i = 0, _c = optionsData.pluginHooks.reducers; _i < _c.length; _i++) { 
                var reducer = _c[_i]; 
                __assign(newState, reducer(state, action, contextAndState)); // give the OLD state, for old value 
            } 
            // TODO: use propSetHandlers in plugin system 
            if (!prevLoadingLevel && loadingLevel) { 
                emitter.trigger('loading', true); 
            } 
            else if (prevLoadingLevel && !loadingLevel) { 
                emitter.trigger('loading', false); 
            } 
            this.state = newState; 
            if (props.onAction) { 
                props.onAction(action); 
            } 
        }; 
        CalendarDataManager.prototype.updateData = function () { 
            var _a = this, props = _a.props, state = _a.state; 
            var oldData = this.data; 
            var optionsData = this.computeOptionsData(props.optionOverrides, state.dynamicOptionOverrides, props.calendarApi); 
            var currentViewData = this.computeCurrentViewData(state.currentViewType, optionsData, props.optionOverrides, state.dynamicOptionOverrides); 
            var data = this.data = __assign(__assign(__assign({ viewTitle: this.buildTitle(state.dateProfile, currentViewData.options, optionsData.dateEnv), calendarApi: props.calendarApi, dispatch: this.dispatch, emitter: this.emitter, getCurrentData: this.getCurrentData }, optionsData), currentViewData), state); 
            var changeHandlers = optionsData.pluginHooks.optionChangeHandlers; 
            var oldCalendarOptions = oldData && oldData.calendarOptions; 
            var newCalendarOptions = optionsData.calendarOptions; 
            if (oldCalendarOptions && oldCalendarOptions !== newCalendarOptions) { 
                if (oldCalendarOptions.timeZone !== newCalendarOptions.timeZone) { 
                    // hack 
                    state.eventSources = data.eventSources = reduceEventSourcesNewTimeZone(data.eventSources, state.dateProfile, data); 
                    state.eventStore = data.eventStore = rezoneEventStoreDates(data.eventStore, oldData.dateEnv, data.dateEnv); 
                } 
                for (var optionName in changeHandlers) { 
                    if (oldCalendarOptions[optionName] !== newCalendarOptions[optionName]) { 
                        changeHandlers[optionName](newCalendarOptions[optionName], data); 
                    } 
                } 
            } 
            if (props.onData) { 
                props.onData(data); 
            } 
        }; 
        CalendarDataManager.prototype._computeOptionsData = function (optionOverrides, dynamicOptionOverrides, calendarApi) { 
            // TODO: blacklist options that are handled by optionChangeHandlers 
            var _a = this.processRawCalendarOptions(optionOverrides, dynamicOptionOverrides), refinedOptions = _a.refinedOptions, pluginHooks = _a.pluginHooks, localeDefaults = _a.localeDefaults, availableLocaleData = _a.availableLocaleData, extra = _a.extra; 
            warnUnknownOptions(extra); 
            var dateEnv = this.buildDateEnv(refinedOptions.timeZone, refinedOptions.locale, refinedOptions.weekNumberCalculation, refinedOptions.firstDay, refinedOptions.weekText, pluginHooks, availableLocaleData, refinedOptions.defaultRangeSeparator); 
            var viewSpecs = this.buildViewSpecs(pluginHooks.views, optionOverrides, dynamicOptionOverrides, localeDefaults); 
            var theme = this.buildTheme(refinedOptions, pluginHooks); 
            var toolbarConfig = this.parseToolbars(refinedOptions, optionOverrides, theme, viewSpecs, calendarApi); 
            return { 
                calendarOptions: refinedOptions, 
                pluginHooks: pluginHooks, 
                dateEnv: dateEnv, 
                viewSpecs: viewSpecs, 
                theme: theme, 
                toolbarConfig: toolbarConfig, 
                localeDefaults: localeDefaults, 
                availableRawLocales: availableLocaleData.map 
            }; 
        }; 
        // always called from behind a memoizer 
        CalendarDataManager.prototype.processRawCalendarOptions = function (optionOverrides, dynamicOptionOverrides) { 
            var _a = mergeRawOptions([ 
                BASE_OPTION_DEFAULTS, 
                optionOverrides, 
                dynamicOptionOverrides 
            ]), locales = _a.locales, locale = _a.locale; 
            var availableLocaleData = this.organizeRawLocales(locales); 
            var availableRawLocales = availableLocaleData.map; 
            var localeDefaults = this.buildLocale(locale || availableLocaleData.defaultCode, availableRawLocales).options; 
            var pluginHooks = this.buildPluginHooks(optionOverrides.plugins || [], globalPlugins); 
            var refiners = this.currentCalendarOptionsRefiners = __assign(__assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners); 
            var extra = {}; 
            var raw = mergeRawOptions([ 
                BASE_OPTION_DEFAULTS, 
                localeDefaults, 
                optionOverrides, 
                dynamicOptionOverrides 
            ]); 
            var refined = {}; 
            var currentRaw = this.currentCalendarOptionsInput; 
            var currentRefined = this.currentCalendarOptionsRefined; 
            var anyChanges = false; 
            for (var optionName in raw) { 
                if (optionName !== 'plugins') { // because plugins is special-cased 
                    if (raw[optionName] === currentRaw[optionName] || 
                        (COMPLEX_OPTION_COMPARATORS[optionName] && (optionName in currentRaw) && COMPLEX_OPTION_COMPARATORS[optionName](currentRaw[optionName], raw[optionName]))) { 
                        refined[optionName] = currentRefined[optionName]; 
                    } 
                    else if (refiners[optionName]) { 
                        refined[optionName] = refiners[optionName](raw[optionName]); 
                        anyChanges = true; 
                    } 
                    else { 
                        extra[optionName] = currentRaw[optionName]; 
                    } 
                } 
            } 
            if (anyChanges) { 
                this.currentCalendarOptionsInput = raw; 
                this.currentCalendarOptionsRefined = refined; 
            } 
            return { 
                rawOptions: this.currentCalendarOptionsInput, 
                refinedOptions: this.currentCalendarOptionsRefined, 
                pluginHooks: pluginHooks, 
                availableLocaleData: availableLocaleData, 
                localeDefaults: localeDefaults, 
                extra: extra 
            }; 
        }; 
        CalendarDataManager.prototype._computeCurrentViewData = function (viewType, optionsData, optionOverrides, dynamicOptionOverrides) { 
            var viewSpec = optionsData.viewSpecs[viewType]; 
            if (!viewSpec) { 
                throw new Error("viewType \"" + viewType + "\" is not available. Please make sure you've loaded all neccessary plugins"); 
            } 
            var _a = this.processRawViewOptions(viewSpec, optionsData.pluginHooks, optionsData.localeDefaults, optionOverrides, dynamicOptionOverrides), refinedOptions = _a.refinedOptions, extra = _a.extra; 
            warnUnknownOptions(extra); 
            var dateProfileGenerator = this.buildDateProfileGenerator({ 
                dateProfileGeneratorClass: viewSpec.optionDefaults.dateProfileGeneratorClass, 
                duration: viewSpec.duration, 
                durationUnit: viewSpec.durationUnit, 
                usesMinMaxTime: viewSpec.optionDefaults.usesMinMaxTime, 
                dateEnv: optionsData.dateEnv, 
                calendarApi: this.props.calendarApi, 
                slotMinTime: refinedOptions.slotMinTime, 
                slotMaxTime: refinedOptions.slotMaxTime, 
                showNonCurrentDates: refinedOptions.showNonCurrentDates, 
                dayCount: refinedOptions.dayCount, 
                dateAlignment: refinedOptions.dateAlignment, 
                dateIncrement: refinedOptions.dateIncrement, 
                hiddenDays: refinedOptions.hiddenDays, 
                weekends: refinedOptions.weekends, 
                nowInput: refinedOptions.now, 
                validRangeInput: refinedOptions.validRange, 
                visibleRangeInput: refinedOptions.visibleRange, 
                monthMode: refinedOptions.monthMode, 
                fixedWeekCount: refinedOptions.fixedWeekCount 
            }); 
            var viewApi = this.buildViewApi(viewType, this.getCurrentData, optionsData.dateEnv); 
            return { viewSpec: viewSpec, options: refinedOptions, dateProfileGenerator: dateProfileGenerator, viewApi: viewApi }; 
        }; 
        CalendarDataManager.prototype.processRawViewOptions = function (viewSpec, pluginHooks, localeDefaults, optionOverrides, dynamicOptionOverrides) { 
            var raw = mergeRawOptions([ 
                BASE_OPTION_DEFAULTS, 
                viewSpec.optionDefaults, 
                localeDefaults, 
                optionOverrides, 
                viewSpec.optionOverrides, 
                dynamicOptionOverrides 
            ]); 
            var refiners = __assign(__assign(__assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), VIEW_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners); 
            var refined = {}; 
            var currentRaw = this.currentViewOptionsInput; 
            var currentRefined = this.currentViewOptionsRefined; 
            var anyChanges = false; 
            var extra = {}; 
            for (var optionName in raw) { 
                if (raw[optionName] === currentRaw[optionName]) { 
                    refined[optionName] = currentRefined[optionName]; 
                } 
                else { 
                    if (raw[optionName] === this.currentCalendarOptionsInput[optionName]) { 
                        if (optionName in this.currentCalendarOptionsRefined) { // might be an "extra" prop 
                            refined[optionName] = this.currentCalendarOptionsRefined[optionName]; 
                        } 
                    } 
                    else if (refiners[optionName]) { 
                        refined[optionName] = refiners[optionName](raw[optionName]); 
                    } 
                    else { 
                        extra[optionName] = raw[optionName]; 
                    } 
                    anyChanges = true; 
                } 
            } 
            if (anyChanges) { 
                this.currentViewOptionsInput = raw; 
                this.currentViewOptionsRefined = refined; 
            } 
            return { 
                rawOptions: this.currentViewOptionsInput, 
                refinedOptions: this.currentViewOptionsRefined, 
                extra: extra 
            }; 
        }; 
        return CalendarDataManager; 
    }()); 
    function buildDateEnv$1(timeZone, explicitLocale, weekNumberCalculation, firstDay, weekText, pluginHooks, availableLocaleData, defaultSeparator) { 
        var locale = buildLocale(explicitLocale || availableLocaleData.defaultCode, availableLocaleData.map); 
        return new DateEnv({ 
            calendarSystem: 'gregory', 
            timeZone: timeZone, 
            namedTimeZoneImpl: pluginHooks.namedTimeZonedImpl, 
            locale: locale, 
            weekNumberCalculation: weekNumberCalculation, 
            firstDay: firstDay, 
            weekText: weekText, 
            cmdFormatter: pluginHooks.cmdFormatter, 
            defaultSeparator: defaultSeparator 
        }); 
    } 
    function buildTheme(options, pluginHooks) { 
        var ThemeClass = pluginHooks.themeClasses[options.themeSystem] || StandardTheme; 
        return new ThemeClass(options); 
    } 
    function buildDateProfileGenerator(props) { 
        var DateProfileGeneratorClass = props.dateProfileGeneratorClass || DateProfileGenerator; 
        return new DateProfileGeneratorClass(props); 
    } 
    function buildViewApi(type, getCurrentData, dateEnv) { 
        return new ViewApi(type, getCurrentData, dateEnv); 
    } 
    function buildEventUiBySource(eventSources) { 
        return mapHash(eventSources, function (eventSource) { 
            return eventSource.ui; 
        }); 
    } 
    function buildEventUiBases(eventDefs, eventUiSingleBase, eventUiBySource) { 
        var eventUiBases = { '': eventUiSingleBase }; 
        for (var defId in eventDefs) { 
            var def = eventDefs[defId]; 
            if (def.sourceId && eventUiBySource[def.sourceId]) { 
                eventUiBases[defId] = eventUiBySource[def.sourceId]; 
            } 
        } 
        return eventUiBases; 
    } 
    function buildViewUiProps(calendarContext) { 
        var options = calendarContext.options; 
        return { 
            eventUiSingleBase: createEventUi({ 
                display: options.eventDisplay, 
                editable: options.editable, 
                startEditable: options.eventStartEditable, 
                durationEditable: options.eventDurationEditable, 
                constraint: options.eventConstraint, 
                overlap: typeof options.eventOverlap === 'boolean' ? options.eventOverlap : undefined, 
                allow: options.eventAllow, 
                backgroundColor: options.eventBackgroundColor, 
                borderColor: options.eventBorderColor, 
                textColor: options.eventTextColor, 
                color: options.eventColor 
                // classNames: options.eventClassNames // render hook will handle this 
            }, calendarContext), 
            selectionConfig: createEventUi({ 
                constraint: options.selectConstraint, 
                overlap: typeof options.selectOverlap === 'boolean' ? options.selectOverlap : undefined, 
                allow: options.selectAllow 
            }, calendarContext) 
        }; 
    } 
    function parseContextBusinessHours(calendarContext) { 
        return parseBusinessHours(calendarContext.options.businessHours, calendarContext); 
    } 
    function warnUnknownOptions(options, viewName) { 
        for (var optionName in options) { 
            console.warn("Unknown option '" + optionName + "'" + 
                (viewName ? " for view '" + viewName + "'" : '')); 
        } 
    } 
 
    // TODO: move this to react plugin? 
    var CalendarDataProvider = /** @class */ (function (_super) { 
        __extends(CalendarDataProvider, _super); 
        function CalendarDataProvider(props) { 
            var _this = _super.call(this, props) || this; 
            _this.handleData = function (data) { 
                if (!_this.dataManager) { // still within initial run, before assignment in constructor 
                    // eslint-disable-next-line react/no-direct-mutation-state 
                    _this.state = data; // can't use setState yet 
                } 
                else { 
                    _this.setState(data); 
                } 
            }; 
            _this.dataManager = new CalendarDataManager({ 
                optionOverrides: props.optionOverrides, 
                calendarApi: props.calendarApi, 
                onData: _this.handleData 
            }); 
            return _this; 
        } 
        CalendarDataProvider.prototype.render = function () { 
            return this.props.children(this.state); 
        }; 
        CalendarDataProvider.prototype.componentDidUpdate = function (prevProps) { 
            var newOptionOverrides = this.props.optionOverrides; 
            if (newOptionOverrides !== prevProps.optionOverrides) { // prevent recursive handleData 
                this.dataManager.resetOptions(newOptionOverrides); 
            } 
        }; 
        return CalendarDataProvider; 
    }(Component)); 
 
    // HELPERS 
    /* 
    if nextDayThreshold is specified, slicing is done in an all-day fashion. 
    you can get nextDayThreshold from context.nextDayThreshold 
    */ 
    function sliceEvents(props, allDay) { 
        return sliceEventStore(props.eventStore, props.eventUiBases, props.dateProfile.activeRange, allDay ? props.nextDayThreshold : null).fg; 
    } 
 
    var NamedTimeZoneImpl = /** @class */ (function () { 
        function NamedTimeZoneImpl(timeZoneName) { 
            this.timeZoneName = timeZoneName; 
        } 
        return NamedTimeZoneImpl; 
    }()); 
 
    var Interaction = /** @class */ (function () { 
        function Interaction(settings) { 
            this.component = settings.component; 
        } 
        Interaction.prototype.destroy = function () { 
        }; 
        return Interaction; 
    }()); 
    function parseInteractionSettings(component, input) { 
        return { 
            component: component, 
            el: input.el, 
            useEventCenter: input.useEventCenter != null ? input.useEventCenter : true 
        }; 
    } 
    function interactionSettingsToStore(settings) { 
        var _a; 
        return _a = {}, 
            _a[settings.component.uid] = settings, 
            _a; 
    } 
    // global state 
    var interactionSettingsStore = {}; 
 
    /* 
    An abstraction for a dragging interaction originating on an event. 
    Does higher-level things than PointerDragger, such as possibly: 
    - a "mirror" that moves with the pointer 
    - a minimum number of pixels or other criteria for a true drag to begin 
 
    subclasses must emit: 
    - pointerdown 
    - dragstart 
    - dragmove 
    - pointerup 
    - dragend 
    */ 
    var ElementDragging = /** @class */ (function () { 
        function ElementDragging(el, selector) { 
            this.emitter = new Emitter(); 
        } 
        ElementDragging.prototype.destroy = function () { 
        }; 
        ElementDragging.prototype.setMirrorIsVisible = function (bool) { 
            // optional if subclass doesn't want to support a mirror 
        }; 
        ElementDragging.prototype.setMirrorNeedsRevert = function (bool) { 
            // optional if subclass doesn't want to support a mirror 
        }; 
        ElementDragging.prototype.setAutoScrollEnabled = function (bool) { 
            // optional 
        }; 
        return ElementDragging; 
    }()); 
 
    // TODO: get rid of this in favor of options system, 
    // tho it's really easy to access this globally rather than pass thru options. 
    var config = {}; 
 
    /* 
    Information about what will happen when an external element is dragged-and-dropped 
    onto a calendar. Contains information for creating an event. 
    */ 
    var DRAG_META_REFINERS = { 
        startTime: createDuration, 
        duration: createDuration, 
        create: Boolean, 
        sourceId: String 
    }; 
    function parseDragMeta(raw) { 
        var _a = refineProps(raw, DRAG_META_REFINERS), refined = _a.refined, extra = _a.extra; 
        return { 
            startTime: refined.startTime || null, 
            duration: refined.duration || null, 
            create: refined.create != null ? refined.create : true, 
            sourceId: refined.sourceId, 
            leftoverProps: extra 
        }; 
    } 
 
    var Toolbar = /** @class */ (function (_super) { 
        __extends(Toolbar, _super); 
        function Toolbar() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        Toolbar.prototype.render = function () { 
            var _a = this.props, model = _a.model, extraClassName = _a.extraClassName; 
            var forceLtr = false; 
            var startContent, endContent; 
            var centerContent = model.center; 
            if (model.left) { 
                forceLtr = true; 
                startContent = model.left; 
            } 
            else { 
                startContent = model.start; 
            } 
            if (model.right) { 
                forceLtr = true; 
                endContent = model.right; 
            } 
            else { 
                endContent = model.end; 
            } 
            var classNames = [ 
                extraClassName || '', 
                'fc-toolbar', 
                forceLtr ? 'fc-toolbar-ltr' : '' 
            ]; 
            return (createElement("div", { className: classNames.join(' ') }, 
                this.renderSection('start', startContent || []), 
                this.renderSection('center', centerContent || []), 
                this.renderSection('end', endContent || []))); 
        }; 
        Toolbar.prototype.renderSection = function (key, widgetGroups) { 
            var props = this.props; 
            return (createElement(ToolbarSection, { key: key, widgetGroups: widgetGroups, title: props.title, activeButton: props.activeButton, isTodayEnabled: props.isTodayEnabled, isPrevEnabled: props.isPrevEnabled, isNextEnabled: props.isNextEnabled })); 
        }; 
        return Toolbar; 
    }(BaseComponent)); 
    var ToolbarSection = /** @class */ (function (_super) { 
        __extends(ToolbarSection, _super); 
        function ToolbarSection() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        ToolbarSection.prototype.render = function () { 
            var _this = this; 
            var children = this.props.widgetGroups.map(function (widgetGroup) { return _this.renderWidgetGroup(widgetGroup); }); 
            return createElement.apply(void 0, __spreadArrays(['div', { className: 'fc-toolbar-chunk' }], children)); 
        }; 
        ToolbarSection.prototype.renderWidgetGroup = function (widgetGroup) { 
            var props = this.props; 
            var theme = this.context.theme; 
            var children = []; 
            var isOnlyButtons = true; 
            for (var _i = 0, widgetGroup_1 = widgetGroup; _i < widgetGroup_1.length; _i++) { 
                var widget = widgetGroup_1[_i]; 
                var buttonName = widget.buttonName, buttonClick = widget.buttonClick, buttonText = widget.buttonText, buttonIcon = widget.buttonIcon; 
                if (buttonName === 'title') { 
                    isOnlyButtons = false; 
                    children.push(createElement("h2", { className: 'fc-toolbar-title' }, props.title)); 
                } 
                else { 
                    var ariaAttrs = buttonIcon ? { 'aria-label': buttonName } : {}; 
                    var buttonClasses = ['fc-' + buttonName + '-button', theme.getClass('button')]; 
                    if (buttonName === props.activeButton) { 
                        buttonClasses.push(theme.getClass('buttonActive')); 
                    } 
                    var isDisabled = (!props.isTodayEnabled && buttonName === 'today') || 
                        (!props.isPrevEnabled && buttonName === 'prev') || 
                        (!props.isNextEnabled && buttonName === 'next'); 
                    children.push(createElement("button", __assign({ disabled: isDisabled, className: buttonClasses.join(' '), onClick: buttonClick, type: 'button' }, ariaAttrs), buttonText || (buttonIcon ? createElement("span", { className: buttonIcon }) : ''))); 
                } 
            } 
            if (children.length > 1) { 
                var groupClassName = (isOnlyButtons && theme.getClass('buttonGroup')) || ''; 
                return createElement.apply(void 0, __spreadArrays(['div', { className: groupClassName }], children)); 
            } 
            else { 
                return children[0]; 
            } 
        }; 
        return ToolbarSection; 
    }(BaseComponent)); 
 
    // TODO: do function component? 
    var ViewContainer = /** @class */ (function (_super) { 
        __extends(ViewContainer, _super); 
        function ViewContainer() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        ViewContainer.prototype.render = function () { 
            var props = this.props; 
            var aspectRatio = props.aspectRatio; 
            var classNames = [ 
                'fc-view-harness', 
                (aspectRatio || props.liquid || props.height) 
                    ? 'fc-view-harness-active' // harness controls the height 
                    : 'fc-view-harness-passive' // let the view do the height 
            ]; 
            var height = ''; 
            var paddingBottom = ''; 
            if (aspectRatio) { 
                paddingBottom = (1 / aspectRatio) * 100 + '%'; 
            } 
            else { 
                height = props.height || ''; 
            } 
            return (createElement("div", { ref: props.elRef, onClick: props.onClick, className: classNames.join(' '), style: { height: height, paddingBottom: paddingBottom } }, props.children)); 
        }; 
        return ViewContainer; 
    }(BaseComponent)); 
 
    /* 
    Detects when the user clicks on an event within a DateComponent 
    */ 
    var EventClicking = /** @class */ (function (_super) { 
        __extends(EventClicking, _super); 
        function EventClicking(settings) { 
            var _this = _super.call(this, settings) || this; 
            _this.handleSegClick = function (ev, segEl) { 
                var component = _this.component; 
                var context = component.context; 
                var seg = getElSeg(segEl); 
                if (seg && // might be the <div> surrounding the more link 
                    component.isValidSegDownEl(ev.target)) { 
                    // our way to simulate a link click for elements that can't be <a> tags 
                    // grab before trigger fired in case trigger trashes DOM thru rerendering 
                    var hasUrlContainer = elementClosest(ev.target, '.fc-event-forced-url'); 
                    var url = hasUrlContainer ? hasUrlContainer.querySelector('a[href]').href : ''; 
                    context.emitter.trigger('eventClick', { 
                        el: segEl, 
                        event: new EventApi(component.context, seg.eventRange.def, seg.eventRange.instance), 
                        jsEvent: ev, 
                        view: context.viewApi 
                    }); 
                    if (url && !ev.defaultPrevented) { 
                        window.location.href = url; 
                    } 
                } 
            }; 
            _this.destroy = listenBySelector(settings.el, 'click', '.fc-event', // on both fg and bg events 
            _this.handleSegClick); 
            return _this; 
        } 
        return EventClicking; 
    }(Interaction)); 
 
    /* 
    Triggers events and adds/removes core classNames when the user's pointer 
    enters/leaves event-elements of a component. 
    */ 
    var EventHovering = /** @class */ (function (_super) { 
        __extends(EventHovering, _super); 
        function EventHovering(settings) { 
            var _this = _super.call(this, settings) || this; 
            // for simulating an eventMouseLeave when the event el is destroyed while mouse is over it 
            _this.handleEventElRemove = function (el) { 
                if (el === _this.currentSegEl) { 
                    _this.handleSegLeave(null, _this.currentSegEl); 
                } 
            }; 
            _this.handleSegEnter = function (ev, segEl) { 
                if (getElSeg(segEl)) { // TODO: better way to make sure not hovering over more+ link or its wrapper 
                    _this.currentSegEl = segEl; 
                    _this.triggerEvent('eventMouseEnter', ev, segEl); 
                } 
            }; 
            _this.handleSegLeave = function (ev, segEl) { 
                if (_this.currentSegEl) { 
                    _this.currentSegEl = null; 
                    _this.triggerEvent('eventMouseLeave', ev, segEl); 
                } 
            }; 
            _this.removeHoverListeners = listenToHoverBySelector(settings.el, '.fc-event', // on both fg and bg events 
            _this.handleSegEnter, _this.handleSegLeave); 
            return _this; 
        } 
        EventHovering.prototype.destroy = function () { 
            this.removeHoverListeners(); 
        }; 
        EventHovering.prototype.triggerEvent = function (publicEvName, ev, segEl) { 
            var component = this.component; 
            var context = component.context; 
            var seg = getElSeg(segEl); 
            if (!ev || component.isValidSegDownEl(ev.target)) { 
                context.emitter.trigger(publicEvName, { 
                    el: segEl, 
                    event: new EventApi(context, seg.eventRange.def, seg.eventRange.instance), 
                    jsEvent: ev, 
                    view: context.viewApi 
                }); 
            } 
        }; 
        return EventHovering; 
    }(Interaction)); 
 
    var CalendarContent = /** @class */ (function (_super) { 
        __extends(CalendarContent, _super); 
        function CalendarContent() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.buildViewContext = memoize(buildViewContext); 
            _this.buildViewPropTransformers = memoize(buildViewPropTransformers); 
            _this.buildToolbarProps = memoize(buildToolbarProps); 
            _this.handleNavLinkClick = buildDelegationHandler('a[data-navlink]', _this._handleNavLinkClick.bind(_this)); 
            _this.headerRef = createRef(); 
            _this.footerRef = createRef(); 
            _this.interactionsStore = {}; 
            // Component Registration 
            // ----------------------------------------------------------------------------------------------------------------- 
            _this.registerInteractiveComponent = function (component, settingsInput) { 
                var settings = parseInteractionSettings(component, settingsInput); 
                var DEFAULT_INTERACTIONS = [ 
                    EventClicking, 
                    EventHovering 
                ]; 
                var interactionClasses = DEFAULT_INTERACTIONS.concat(_this.props.pluginHooks.componentInteractions); 
                var interactions = interactionClasses.map(function (interactionClass) { 
                    return new interactionClass(settings); 
                }); 
                _this.interactionsStore[component.uid] = interactions; 
                interactionSettingsStore[component.uid] = settings; 
            }; 
            _this.unregisterInteractiveComponent = function (component) { 
                for (var _i = 0, _a = _this.interactionsStore[component.uid]; _i < _a.length; _i++) { 
                    var listener = _a[_i]; 
                    listener.destroy(); 
                } 
                delete _this.interactionsStore[component.uid]; 
                delete interactionSettingsStore[component.uid]; 
            }; 
            // Resizing 
            // ----------------------------------------------------------------------------------------------------------------- 
            _this.resizeRunner = new DelayedRunner(function () { 
                _this.props.emitter.trigger('_resize', true); // should window resizes be considered "forced" ? 
                _this.props.emitter.trigger('windowResize', { view: _this.props.viewApi }); 
            }); 
            _this.handleWindowResize = function (ev) { 
                var options = _this.props.options; 
                if (options.handleWindowResize && 
                    ev.target === window // avoid jqui events 
                ) { 
                    _this.resizeRunner.request(options.windowResizeDelay); 
                } 
            }; 
            return _this; 
        } 
        /* 
        renders INSIDE of an outer div 
        */ 
        CalendarContent.prototype.render = function () { 
            var props = this.props; 
            var toolbarConfig = props.toolbarConfig, options = props.options; 
            var toolbarProps = this.buildToolbarProps(props.viewSpec, props.dateProfile, props.dateProfileGenerator, props.currentDate, getNow(props.options.now, props.dateEnv), // TODO: use NowTimer???? 
            props.viewTitle); 
            var viewVGrow = false; 
            var viewHeight = ''; 
            var viewAspectRatio; 
            if (props.isHeightAuto || props.forPrint) { 
                viewHeight = ''; 
            } 
            else if (options.height != null) { 
                viewVGrow = true; 
            } 
            else if (options.contentHeight != null) { 
                viewHeight = options.contentHeight; 
            } 
            else { 
                viewAspectRatio = Math.max(options.aspectRatio, 0.5); // prevent from getting too tall 
            } 
            var viewContext = this.buildViewContext(props.viewSpec, props.viewApi, props.options, props.dateProfileGenerator, props.dateEnv, props.theme, props.pluginHooks, props.dispatch, props.getCurrentData, props.emitter, props.calendarApi, this.registerInteractiveComponent, this.unregisterInteractiveComponent); 
            return (createElement(ViewContextType.Provider, { value: viewContext }, 
                toolbarConfig.headerToolbar && 
                    createElement(Toolbar, __assign({ ref: this.headerRef, extraClassName: 'fc-header-toolbar', model: toolbarConfig.headerToolbar }, toolbarProps)), 
                createElement(ViewContainer, { liquid: viewVGrow, height: viewHeight, aspectRatio: viewAspectRatio, onClick: this.handleNavLinkClick }, 
                    this.renderView(props), 
                    this.buildAppendContent()), 
                toolbarConfig.footerToolbar && 
                    createElement(Toolbar, __assign({ ref: this.footerRef, extraClassName: 'fc-footer-toolbar', model: toolbarConfig.footerToolbar }, toolbarProps)))); 
        }; 
        CalendarContent.prototype.componentDidMount = function () { 
            var props = this.props; 
            this.calendarInteractions = props.pluginHooks.calendarInteractions 
                .map(function (calendarInteractionClass) { 
                return new calendarInteractionClass(props); 
            }); 
            window.addEventListener('resize', this.handleWindowResize); 
            var propSetHandlers = props.pluginHooks.propSetHandlers; 
            for (var propName in propSetHandlers) { 
                propSetHandlers[propName](props[propName], props); 
            } 
        }; 
        CalendarContent.prototype.componentDidUpdate = function (prevProps) { 
            var props = this.props; 
            var propSetHandlers = props.pluginHooks.propSetHandlers; 
            for (var propName in propSetHandlers) { 
                if (props[propName] !== prevProps[propName]) { 
                    propSetHandlers[propName](props[propName], props); 
                } 
            } 
        }; 
        CalendarContent.prototype.componentWillUnmount = function () { 
            window.removeEventListener('resize', this.handleWindowResize); 
            this.resizeRunner.clear(); 
            for (var _i = 0, _a = this.calendarInteractions; _i < _a.length; _i++) { 
                var interaction = _a[_i]; 
                interaction.destroy(); 
            } 
            this.props.emitter.trigger('_unmount'); 
        }; 
        CalendarContent.prototype._handleNavLinkClick = function (ev, anchorEl) { 
            var _a = this.props, dateEnv = _a.dateEnv, options = _a.options, calendarApi = _a.calendarApi; 
            var navLinkOptions = anchorEl.getAttribute('data-navlink'); 
            navLinkOptions = navLinkOptions ? JSON.parse(navLinkOptions) : {}; 
            var dateMarker = dateEnv.createMarker(navLinkOptions.date); 
            var viewType = navLinkOptions.type; 
            var customAction = viewType === 'day' ? options.navLinkDayClick : 
                viewType === 'week' ? options.navLinkWeekClick : null; 
            if (typeof customAction === 'function') { 
                customAction.call(calendarApi, dateEnv.toDate(dateMarker), ev); 
            } 
            else { 
                if (typeof customAction === 'string') { 
                    viewType = customAction; 
                } 
                calendarApi.zoomTo(dateMarker, viewType); 
            } 
        }; 
        CalendarContent.prototype.buildAppendContent = function () { 
            var props = this.props; 
            var children = props.pluginHooks.viewContainerAppends.map(function (buildAppendContent) { return buildAppendContent(props); }); 
            return createElement.apply(void 0, __spreadArrays([Fragment, {}], children)); 
        }; 
        CalendarContent.prototype.renderView = function (props) { 
            var pluginHooks = props.pluginHooks; 
            var viewSpec = props.viewSpec; 
            var viewProps = { 
                dateProfile: props.dateProfile, 
                businessHours: props.businessHours, 
                eventStore: props.renderableEventStore, 
                eventUiBases: props.eventUiBases, 
                dateSelection: props.dateSelection, 
                eventSelection: props.eventSelection, 
                eventDrag: props.eventDrag, 
                eventResize: props.eventResize, 
                isHeightAuto: props.isHeightAuto, 
                forPrint: props.forPrint 
            }; 
            var transformers = this.buildViewPropTransformers(pluginHooks.viewPropsTransformers); 
            for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) { 
                var transformer = transformers_1[_i]; 
                __assign(viewProps, transformer.transform(viewProps, props)); 
            } 
            var ViewComponent = viewSpec.component; 
            return (createElement(ViewComponent, __assign({}, viewProps))); 
        }; 
        return CalendarContent; 
    }(PureComponent)); 
    function buildToolbarProps(viewSpec, dateProfile, dateProfileGenerator, currentDate, now, title) { 
        // don't force any date-profiles to valid date profiles (the `false`) so that we can tell if it's invalid 
        var todayInfo = dateProfileGenerator.build(now, undefined, false); // TODO: need `undefined` or else INFINITE LOOP for some reason 
        var prevInfo = dateProfileGenerator.buildPrev(dateProfile, currentDate, false); 
        var nextInfo = dateProfileGenerator.buildNext(dateProfile, currentDate, false); 
        return { 
            title: title, 
            activeButton: viewSpec.type, 
            isTodayEnabled: todayInfo.isValid && !rangeContainsMarker(dateProfile.currentRange, now), 
            isPrevEnabled: prevInfo.isValid, 
            isNextEnabled: nextInfo.isValid 
        }; 
    } 
    // Plugin 
    // ----------------------------------------------------------------------------------------------------------------- 
    function buildViewPropTransformers(theClasses) { 
        return theClasses.map(function (theClass) { 
            return new theClass(); 
        }); 
    } 
 
    var canVGrowWithinCell; 
    function getCanVGrowWithinCell() { 
        if (canVGrowWithinCell == null) { 
            canVGrowWithinCell = computeCanVGrowWithinCell(); 
        } 
        return canVGrowWithinCell; 
    } 
    function computeCanVGrowWithinCell() { 
        // TODO: abstraction for creating these temporary detection-based els 
        var el = document.createElement('div'); 
        el.style.position = 'absolute'; // for not interfering with current layout 
        el.style.top = '0'; 
        el.style.left = '0'; 
        el.innerHTML = '<table style="height:100px"><tr><td><div style="height:100%"></div></td></tr></table>'; 
        document.body.appendChild(el); 
        var div = el.querySelector('div'); 
        var possible = div.offsetHeight > 0; 
        document.body.removeChild(el); 
        return possible; 
    } 
 
    var CalendarRoot = /** @class */ (function (_super) { 
        __extends(CalendarRoot, _super); 
        function CalendarRoot() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.state = { 
                forPrint: false 
            }; 
            _this.handleBeforePrint = function () { 
                _this.setState({ forPrint: true }); 
            }; 
            _this.handleAfterPrint = function () { 
                _this.setState({ forPrint: false }); 
            }; 
            return _this; 
        } 
        CalendarRoot.prototype.render = function () { 
            var props = this.props; 
            var options = props.options; 
            var forPrint = this.state.forPrint; 
            var isHeightAuto = forPrint || options.height === 'auto' || options.contentHeight === 'auto'; 
            var height = (!isHeightAuto && options.height != null) ? options.height : ''; 
            var classNames = [ 
                'fc', 
                forPrint ? 'fc-media-print' : 'fc-media-screen', 
                'fc-direction-' + options.direction, 
                props.theme.getClass('root') 
            ]; 
            if (!getCanVGrowWithinCell()) { 
                classNames.push('fc-liquid-hack'); 
            } 
            return props.children(classNames, height, isHeightAuto, forPrint); 
        }; 
        CalendarRoot.prototype.componentDidMount = function () { 
            var emitter = this.props.emitter; 
            emitter.on('_beforeprint', this.handleBeforePrint); 
            emitter.on('_afterprint', this.handleAfterPrint); 
        }; 
        CalendarRoot.prototype.componentWillUnmount = function () { 
            var emitter = this.props.emitter; 
            emitter.off('_beforeprint', this.handleBeforePrint); 
            emitter.off('_afterprint', this.handleAfterPrint); 
        }; 
        return CalendarRoot; 
    }(BaseComponent)); 
 
    // Computes a default column header formatting string if `colFormat` is not explicitly defined 
    function computeFallbackHeaderFormat(datesRepDistinctDays, dayCnt) { 
        // if more than one week row, or if there are a lot of columns with not much space, 
        // put just the day numbers will be in each cell 
        if (!datesRepDistinctDays || dayCnt > 10) { 
            return createFormatter({ weekday: 'short' }); // "Sat" 
        } 
        else if (dayCnt > 1) { 
            return createFormatter({ weekday: 'short', month: 'numeric', day: 'numeric', omitCommas: true }); // "Sat 11/12" 
        } 
        else { 
            return createFormatter({ weekday: 'long' }); // "Saturday" 
        } 
    } 
 
    var CLASS_NAME = 'fc-col-header-cell'; // do the cushion too? no 
    var TableDateCell = /** @class */ (function (_super) { 
        __extends(TableDateCell, _super); 
        function TableDateCell() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TableDateCell.prototype.render = function () { 
            var _a = this.context, dateEnv = _a.dateEnv, options = _a.options, theme = _a.theme, viewApi = _a.viewApi; 
            var props = this.props; 
            var date = props.date, dateProfile = props.dateProfile; 
            var dayMeta = getDateMeta(date, props.todayRange, null, dateProfile); 
            var classNames = [CLASS_NAME].concat(getDayClassNames(dayMeta, theme)); 
            var text = dateEnv.format(date, props.dayHeaderFormat); 
            // if colCnt is 1, we are already in a day-view and don't need a navlink 
            var navLinkAttrs = (options.navLinks && !dayMeta.isDisabled && props.colCnt > 1) 
                ? { 'data-navlink': buildNavLinkData(date), tabIndex: 0 } 
                : {}; 
            var hookProps = __assign(__assign(__assign({ date: dateEnv.toDate(date), view: viewApi }, props.extraHookProps), { text: text }), dayMeta); 
            return (createElement(RenderHook, { hookProps: hookProps, classNames: options.dayHeaderClassNames, content: options.dayHeaderContent, defaultContent: renderInner, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, function (rootElRef, customClassNames, innerElRef, innerContent) { return (createElement("th", __assign({ ref: rootElRef, className: classNames.concat(customClassNames).join(' '), "data-date": !dayMeta.isDisabled ? formatDayString(date) : undefined, colSpan: props.colSpan }, props.extraDataAttrs), 
                createElement("div", { className: 'fc-scrollgrid-sync-inner' }, !dayMeta.isDisabled && 
                    createElement("a", __assign({ ref: innerElRef, className: [ 
                            'fc-col-header-cell-cushion', 
                            props.isSticky ? 'fc-sticky' : '' 
                        ].join(' ') }, navLinkAttrs), innerContent)))); })); 
        }; 
        return TableDateCell; 
    }(BaseComponent)); 
    var TableDowCell = /** @class */ (function (_super) { 
        __extends(TableDowCell, _super); 
        function TableDowCell() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TableDowCell.prototype.render = function () { 
            var props = this.props; 
            var _a = this.context, dateEnv = _a.dateEnv, theme = _a.theme, viewApi = _a.viewApi, options = _a.options; 
            var date = addDays(new Date(259200000), props.dow); // start with Sun, 04 Jan 1970 00:00:00 GMT 
            var dateMeta = { 
                dow: props.dow, 
                isDisabled: false, 
                isFuture: false, 
                isPast: false, 
                isToday: false, 
                isOther: false 
            }; 
            var classNames = [CLASS_NAME].concat(getDayClassNames(dateMeta, theme), props.extraClassNames || []); 
            var text = dateEnv.format(date, props.dayHeaderFormat); 
            var hookProps = __assign(__assign(__assign(__assign({ // TODO: make this public? 
                date: date }, dateMeta), { view: viewApi }), props.extraHookProps), { text: text }); 
            return (createElement(RenderHook, { hookProps: hookProps, classNames: options.dayHeaderClassNames, content: options.dayHeaderContent, defaultContent: renderInner, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, function (rootElRef, customClassNames, innerElRef, innerContent) { return (createElement("th", __assign({ ref: rootElRef, className: classNames.concat(customClassNames).join(' '), colSpan: props.colSpan }, props.extraDataAttrs), 
                createElement("div", { className: 'fc-scrollgrid-sync-inner' }, 
                    createElement("a", { className: [ 
                            'fc-col-header-cell-cushion', 
                            props.isSticky ? 'fc-sticky' : '' 
                        ].join(' '), ref: innerElRef }, innerContent)))); })); 
        }; 
        return TableDowCell; 
    }(BaseComponent)); 
    function renderInner(hookProps) { 
        return hookProps.text; 
    } 
 
    var NowTimer = /** @class */ (function (_super) { 
        __extends(NowTimer, _super); 
        function NowTimer(props, context) { 
            var _this = _super.call(this, props, context) || this; 
            _this.initialNowDate = getNow(context.options.now, context.dateEnv); 
            _this.initialNowQueriedMs = new Date().valueOf(); 
            _this.state = _this.computeTiming().currentState; 
            return _this; 
        } 
        NowTimer.prototype.render = function () { 
            var _a = this, props = _a.props, state = _a.state; 
            return props.children(state.nowDate, state.todayRange); 
        }; 
        NowTimer.prototype.componentDidMount = function () { 
            this.setTimeout(); 
        }; 
        NowTimer.prototype.componentDidUpdate = function (prevProps) { 
            if (prevProps.unit !== this.props.unit) { 
                this.clearTimeout(); 
                this.setTimeout(); 
            } 
        }; 
        NowTimer.prototype.componentWillUnmount = function () { 
            this.clearTimeout(); 
        }; 
        NowTimer.prototype.computeTiming = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var unroundedNow = addMs(this.initialNowDate, new Date().valueOf() - this.initialNowQueriedMs); 
            var currentUnitStart = context.dateEnv.startOf(unroundedNow, props.unit); 
            var nextUnitStart = context.dateEnv.add(currentUnitStart, createDuration(1, props.unit)); 
            var waitMs = nextUnitStart.valueOf() - unroundedNow.valueOf(); 
            return { 
                currentState: { nowDate: currentUnitStart, todayRange: buildDayRange(currentUnitStart) }, 
                nextState: { nowDate: nextUnitStart, todayRange: buildDayRange(nextUnitStart) }, 
                waitMs: waitMs 
            }; 
        }; 
        NowTimer.prototype.setTimeout = function () { 
            var _this = this; 
            var _a = this.computeTiming(), nextState = _a.nextState, waitMs = _a.waitMs; 
            this.timeoutId = setTimeout(function () { 
                _this.setState(nextState, function () { 
                    _this.setTimeout(); 
                }); 
            }, waitMs); 
        }; 
        NowTimer.prototype.clearTimeout = function () { 
            if (this.timeoutId) { 
                clearTimeout(this.timeoutId); 
            } 
        }; 
        NowTimer.contextType = ViewContextType; 
        return NowTimer; 
    }(Component)); 
    function buildDayRange(date) { 
        var start = startOfDay(date); 
        var end = addDays(start, 1); 
        return { start: start, end: end }; 
    } 
 
    var DayHeader = /** @class */ (function (_super) { 
        __extends(DayHeader, _super); 
        function DayHeader() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.createDayHeaderFormatter = memoize(createDayHeaderFormatter); 
            return _this; 
        } 
        DayHeader.prototype.render = function () { 
            var context = this.context; 
            var _a = this.props, dates = _a.dates, dateProfile = _a.dateProfile, datesRepDistinctDays = _a.datesRepDistinctDays, renderIntro = _a.renderIntro; 
            var dayHeaderFormat = this.createDayHeaderFormatter(context.options.dayHeaderFormat, datesRepDistinctDays, dates.length); 
            return (createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) { return (createElement("tr", null, 
                renderIntro && renderIntro(), 
                dates.map(function (date) { return (datesRepDistinctDays ? 
                    createElement(TableDateCell, { key: date.toISOString(), date: date, dateProfile: dateProfile, todayRange: todayRange, colCnt: dates.length, dayHeaderFormat: dayHeaderFormat }) : 
                    createElement(TableDowCell, { key: date.getUTCDay(), dow: date.getUTCDay(), dayHeaderFormat: dayHeaderFormat })); }))); })); 
        }; 
        return DayHeader; 
    }(BaseComponent)); 
    function createDayHeaderFormatter(explicitFormat, datesRepDistinctDays, dateCnt) { 
        return explicitFormat || computeFallbackHeaderFormat(datesRepDistinctDays, dateCnt); 
    } 
 
    var DaySeriesModel = /** @class */ (function () { 
        function DaySeriesModel(range, dateProfileGenerator) { 
            var date = range.start; 
            var end = range.end; 
            var indices = []; 
            var dates = []; 
            var dayIndex = -1; 
            while (date < end) { // loop each day from start to end 
                if (dateProfileGenerator.isHiddenDay(date)) { 
                    indices.push(dayIndex + 0.5); // mark that it's between indices 
                } 
                else { 
                    dayIndex++; 
                    indices.push(dayIndex); 
                    dates.push(date); 
                } 
                date = addDays(date, 1); 
            } 
            this.dates = dates; 
            this.indices = indices; 
            this.cnt = dates.length; 
        } 
        DaySeriesModel.prototype.sliceRange = function (range) { 
            var firstIndex = this.getDateDayIndex(range.start); // inclusive first index 
            var lastIndex = this.getDateDayIndex(addDays(range.end, -1)); // inclusive last index 
            var clippedFirstIndex = Math.max(0, firstIndex); 
            var clippedLastIndex = Math.min(this.cnt - 1, lastIndex); 
            // deal with in-between indices 
            clippedFirstIndex = Math.ceil(clippedFirstIndex); // in-between starts round to next cell 
            clippedLastIndex = Math.floor(clippedLastIndex); // in-between ends round to prev cell 
            if (clippedFirstIndex <= clippedLastIndex) { 
                return { 
                    firstIndex: clippedFirstIndex, 
                    lastIndex: clippedLastIndex, 
                    isStart: firstIndex === clippedFirstIndex, 
                    isEnd: lastIndex === clippedLastIndex 
                }; 
            } 
            else { 
                return null; 
            } 
        }; 
        // Given a date, returns its chronolocial cell-index from the first cell of the grid. 
        // If the date lies between cells (because of hiddenDays), returns a floating-point value between offsets. 
        // If before the first offset, returns a negative number. 
        // If after the last offset, returns an offset past the last cell offset. 
        // Only works for *start* dates of cells. Will not work for exclusive end dates for cells. 
        DaySeriesModel.prototype.getDateDayIndex = function (date) { 
            var indices = this.indices; 
            var dayOffset = Math.floor(diffDays(this.dates[0], date)); 
            if (dayOffset < 0) { 
                return indices[0] - 1; 
            } 
            else if (dayOffset >= indices.length) { 
                return indices[indices.length - 1] + 1; 
            } 
            else { 
                return indices[dayOffset]; 
            } 
        }; 
        return DaySeriesModel; 
    }()); 
 
    var DayTableModel = /** @class */ (function () { 
        function DayTableModel(daySeries, breakOnWeeks) { 
            var dates = daySeries.dates; 
            var daysPerRow; 
            var firstDay; 
            var rowCnt; 
            if (breakOnWeeks) { 
                // count columns until the day-of-week repeats 
                firstDay = dates[0].getUTCDay(); 
                for (daysPerRow = 1; daysPerRow < dates.length; daysPerRow++) { 
                    if (dates[daysPerRow].getUTCDay() === firstDay) { 
                        break; 
                    } 
                } 
                rowCnt = Math.ceil(dates.length / daysPerRow); 
            } 
            else { 
                rowCnt = 1; 
                daysPerRow = dates.length; 
            } 
            this.rowCnt = rowCnt; 
            this.colCnt = daysPerRow; 
            this.daySeries = daySeries; 
            this.cells = this.buildCells(); 
            this.headerDates = this.buildHeaderDates(); 
        } 
        DayTableModel.prototype.buildCells = function () { 
            var rows = []; 
            for (var row = 0; row < this.rowCnt; row++) { 
                var cells = []; 
                for (var col = 0; col < this.colCnt; col++) { 
                    cells.push(this.buildCell(row, col)); 
                } 
                rows.push(cells); 
            } 
            return rows; 
        }; 
        DayTableModel.prototype.buildCell = function (row, col) { 
            var date = this.daySeries.dates[row * this.colCnt + col]; 
            return { 
                key: date.toISOString(), 
                date: date 
            }; 
        }; 
        DayTableModel.prototype.buildHeaderDates = function () { 
            var dates = []; 
            for (var col = 0; col < this.colCnt; col++) { 
                dates.push(this.cells[0][col].date); 
            } 
            return dates; 
        }; 
        DayTableModel.prototype.sliceRange = function (range) { 
            var colCnt = this.colCnt; 
            var seriesSeg = this.daySeries.sliceRange(range); 
            var segs = []; 
            if (seriesSeg) { 
                var firstIndex = seriesSeg.firstIndex, lastIndex = seriesSeg.lastIndex; 
                var index = firstIndex; 
                while (index <= lastIndex) { 
                    var row = Math.floor(index / colCnt); 
                    var nextIndex = Math.min((row + 1) * colCnt, lastIndex + 1); 
                    segs.push({ 
                        row: row, 
                        firstCol: index % colCnt, 
                        lastCol: (nextIndex - 1) % colCnt, 
                        isStart: seriesSeg.isStart && index === firstIndex, 
                        isEnd: seriesSeg.isEnd && (nextIndex - 1) === lastIndex 
                    }); 
                    index = nextIndex; 
                } 
            } 
            return segs; 
        }; 
        return DayTableModel; 
    }()); 
 
    var Slicer = /** @class */ (function () { 
        function Slicer() { 
            this.sliceBusinessHours = memoize(this._sliceBusinessHours); 
            this.sliceDateSelection = memoize(this._sliceDateSpan); 
            this.sliceEventStore = memoize(this._sliceEventStore); 
            this.sliceEventDrag = memoize(this._sliceInteraction); 
            this.sliceEventResize = memoize(this._sliceInteraction); 
            this.forceDayIfListItem = false; // hack 
        } 
        Slicer.prototype.sliceProps = function (props, dateProfile, nextDayThreshold, context) { 
            var extraArgs = []; 
            for (var _i = 4; _i < arguments.length; _i++) { 
                extraArgs[_i - 4] = arguments[_i]; 
            } 
            var eventUiBases = props.eventUiBases; 
            var eventSegs = this.sliceEventStore.apply(this, __spreadArrays([props.eventStore, eventUiBases, dateProfile, nextDayThreshold], extraArgs)); 
            return { 
                dateSelectionSegs: this.sliceDateSelection.apply(this, __spreadArrays([props.dateSelection, eventUiBases, context], extraArgs)), 
                businessHourSegs: this.sliceBusinessHours.apply(this, __spreadArrays([props.businessHours, dateProfile, nextDayThreshold, context], extraArgs)), 
                fgEventSegs: eventSegs.fg, 
                bgEventSegs: eventSegs.bg, 
                eventDrag: this.sliceEventDrag.apply(this, __spreadArrays([props.eventDrag, eventUiBases, dateProfile, nextDayThreshold], extraArgs)), 
                eventResize: this.sliceEventResize.apply(this, __spreadArrays([props.eventResize, eventUiBases, dateProfile, nextDayThreshold], extraArgs)), 
                eventSelection: props.eventSelection 
            }; // TODO: give interactionSegs? 
        }; 
        Slicer.prototype.sliceNowDate = function (// does not memoize 
        date, context) { 
            var extraArgs = []; 
            for (var _i = 2; _i < arguments.length; _i++) { 
                extraArgs[_i - 2] = arguments[_i]; 
            } 
            return this._sliceDateSpan.apply(this, __spreadArrays([{ range: { start: date, end: addMs(date, 1) }, allDay: false }, 
                {}, 
                context], extraArgs)); 
        }; 
        Slicer.prototype._sliceBusinessHours = function (businessHours, dateProfile, nextDayThreshold, context) { 
            var extraArgs = []; 
            for (var _i = 4; _i < arguments.length; _i++) { 
                extraArgs[_i - 4] = arguments[_i]; 
            } 
            if (!businessHours) { 
                return []; 
            } 
            return this._sliceEventStore.apply(this, __spreadArrays([expandRecurring(businessHours, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), context), 
                {}, 
                dateProfile, 
                nextDayThreshold], extraArgs)).bg; 
        }; 
        Slicer.prototype._sliceEventStore = function (eventStore, eventUiBases, dateProfile, nextDayThreshold) { 
            var extraArgs = []; 
            for (var _i = 4; _i < arguments.length; _i++) { 
                extraArgs[_i - 4] = arguments[_i]; 
            } 
            if (eventStore) { 
                var rangeRes = sliceEventStore(eventStore, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold); 
                return { 
                    bg: this.sliceEventRanges(rangeRes.bg, extraArgs), 
                    fg: this.sliceEventRanges(rangeRes.fg, extraArgs) 
                }; 
            } 
            else { 
                return { bg: [], fg: [] }; 
            } 
        }; 
        Slicer.prototype._sliceInteraction = function (interaction, eventUiBases, dateProfile, nextDayThreshold) { 
            var extraArgs = []; 
            for (var _i = 4; _i < arguments.length; _i++) { 
                extraArgs[_i - 4] = arguments[_i]; 
            } 
            if (!interaction) { 
                return null; 
            } 
            var rangeRes = sliceEventStore(interaction.mutatedEvents, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold); 
            return { 
                segs: this.sliceEventRanges(rangeRes.fg, extraArgs), 
                affectedInstances: interaction.affectedEvents.instances, 
                isEvent: interaction.isEvent 
            }; 
        }; 
        Slicer.prototype._sliceDateSpan = function (dateSpan, eventUiBases, context) { 
            var extraArgs = []; 
            for (var _i = 3; _i < arguments.length; _i++) { 
                extraArgs[_i - 3] = arguments[_i]; 
            } 
            if (!dateSpan) { 
                return []; 
            } 
            var eventRange = fabricateEventRange(dateSpan, eventUiBases, context); 
            var segs = this.sliceRange.apply(this, __spreadArrays([dateSpan.range], extraArgs)); 
            for (var _a = 0, segs_1 = segs; _a < segs_1.length; _a++) { 
                var seg = segs_1[_a]; 
                seg.eventRange = eventRange; 
            } 
            return segs; 
        }; 
        /* 
        "complete" seg means it has component and eventRange 
        */ 
        Slicer.prototype.sliceEventRanges = function (eventRanges, extraArgs) { 
            var segs = []; 
            for (var _i = 0, eventRanges_1 = eventRanges; _i < eventRanges_1.length; _i++) { 
                var eventRange = eventRanges_1[_i]; 
                segs.push.apply(segs, this.sliceEventRange(eventRange, extraArgs)); 
            } 
            return segs; 
        }; 
        /* 
        "complete" seg means it has component and eventRange 
        */ 
        Slicer.prototype.sliceEventRange = function (eventRange, extraArgs) { 
            var dateRange = eventRange.range; 
            // hack to make multi-day events that are being force-displayed as list-items to take up only one day 
            if (this.forceDayIfListItem && eventRange.ui.display === 'list-item') { 
                dateRange = { 
                    start: dateRange.start, 
                    end: addDays(dateRange.start, 1) 
                }; 
            } 
            var segs = this.sliceRange.apply(this, __spreadArrays([dateRange], extraArgs)); 
            for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) { 
                var seg = segs_2[_i]; 
                seg.eventRange = eventRange; 
                seg.isStart = eventRange.isStart && seg.isStart; 
                seg.isEnd = eventRange.isEnd && seg.isEnd; 
            } 
            return segs; 
        }; 
        return Slicer; 
    }()); 
    /* 
    for incorporating slotMinTime/slotMaxTime if appropriate 
    TODO: should be part of DateProfile! 
    TimelineDateProfile already does this btw 
    */ 
    function computeActiveRange(dateProfile, isComponentAllDay) { 
        var range = dateProfile.activeRange; 
        if (isComponentAllDay) { 
            return range; 
        } 
        return { 
            start: addMs(range.start, dateProfile.slotMinTime.milliseconds), 
            end: addMs(range.end, dateProfile.slotMaxTime.milliseconds - 864e5) // 864e5 = ms in a day 
        }; 
    } 
 
    var VISIBLE_HIDDEN_RE = /^(visible|hidden)$/; 
    var Scroller = /** @class */ (function (_super) { 
        __extends(Scroller, _super); 
        function Scroller() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.handleEl = function (el) { 
                _this.el = el; 
                setRef(_this.props.elRef, el); 
            }; 
            return _this; 
        } 
        Scroller.prototype.render = function () { 
            var props = this.props; 
            var liquid = props.liquid, liquidIsAbsolute = props.liquidIsAbsolute; 
            var isAbsolute = liquid && liquidIsAbsolute; 
            var className = ['fc-scroller']; 
            if (liquid) { 
                if (liquidIsAbsolute) { 
                    className.push('fc-scroller-liquid-absolute'); 
                } 
                else { 
                    className.push('fc-scroller-liquid'); 
                } 
            } 
            return (createElement("div", { ref: this.handleEl, className: className.join(' '), style: { 
                    overflowX: props.overflowX, 
                    overflowY: props.overflowY, 
                    left: (isAbsolute && -(props.overcomeLeft || 0)) || '', 
                    right: (isAbsolute && -(props.overcomeRight || 0)) || '', 
                    bottom: (isAbsolute && -(props.overcomeBottom || 0)) || '', 
                    marginLeft: (!isAbsolute && -(props.overcomeLeft || 0)) || '', 
                    marginRight: (!isAbsolute && -(props.overcomeRight || 0)) || '', 
                    marginBottom: (!isAbsolute && -(props.overcomeBottom || 0)) || '', 
                    maxHeight: props.maxHeight || '' 
                } }, props.children)); 
        }; 
        Scroller.prototype.needsXScrolling = function () { 
            if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) { 
                return false; 
            } 
            // testing scrollWidth>clientWidth is unreliable cross-browser when pixel heights aren't integers. 
            // much more reliable to see if children are taller than the scroller, even tho doesn't account for 
            // inner-child margins and absolute positioning 
            var el = this.el; 
            var realClientWidth = this.el.getBoundingClientRect().width - this.getYScrollbarWidth(); 
            var children = el.children; 
            for (var i = 0; i < children.length; i++) { 
                var childEl = children[i]; 
                if (childEl.getBoundingClientRect().width > realClientWidth) { 
                    return true; 
                } 
            } 
            return false; 
        }; 
        Scroller.prototype.needsYScrolling = function () { 
            if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) { 
                return false; 
            } 
            // testing scrollHeight>clientHeight is unreliable cross-browser when pixel heights aren't integers. 
            // much more reliable to see if children are taller than the scroller, even tho doesn't account for 
            // inner-child margins and absolute positioning 
            var el = this.el; 
            var realClientHeight = this.el.getBoundingClientRect().height - this.getXScrollbarWidth(); 
            var children = el.children; 
            for (var i = 0; i < children.length; i++) { 
                var childEl = children[i]; 
                if (childEl.getBoundingClientRect().height > realClientHeight) { 
                    return true; 
                } 
            } 
            return false; 
        }; 
        Scroller.prototype.getXScrollbarWidth = function () { 
            if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) { 
                return 0; 
            } 
            else { 
                return this.el.offsetHeight - this.el.clientHeight; // only works because we guarantee no borders. TODO: add to CSS with important? 
            } 
        }; 
        Scroller.prototype.getYScrollbarWidth = function () { 
            if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) { 
                return 0; 
            } 
            else { 
                return this.el.offsetWidth - this.el.clientWidth; // only works because we guarantee no borders. TODO: add to CSS with important? 
            } 
        }; 
        return Scroller; 
    }(BaseComponent)); 
 
    /* 
    TODO: somehow infer OtherArgs from masterCallback? 
    TODO: infer RefType from masterCallback if provided 
    */ 
    var RefMap = /** @class */ (function () { 
        function RefMap(masterCallback) { 
            var _this = this; 
            this.masterCallback = masterCallback; 
            this.currentMap = {}; 
            this.depths = {}; 
            this.callbackMap = {}; 
            this.handleValue = function (val, key) { 
                var _a = _this, depths = _a.depths, currentMap = _a.currentMap; 
                var removed = false; 
                var added = false; 
                if (val !== null) { 
                    removed = (key in currentMap); // for bug... ACTUALLY: can probably do away with this now that callers don't share numeric indices anymore 
                    currentMap[key] = val; 
                    depths[key] = (depths[key] || 0) + 1; 
                    added = true; 
                } 
                else if (--depths[key] === 0) { 
                    delete currentMap[key]; 
                    delete _this.callbackMap[key]; 
                    removed = true; 
                } 
                if (_this.masterCallback) { 
                    if (removed) { 
                        _this.masterCallback(null, String(key)); 
                    } 
                    if (added) { 
                        _this.masterCallback(val, String(key)); 
                    } 
                } 
            }; 
        } 
        RefMap.prototype.createRef = function (key) { 
            var _this = this; 
            var refCallback = this.callbackMap[key]; 
            if (!refCallback) { 
                refCallback = this.callbackMap[key] = function (val) { 
                    _this.handleValue(val, String(key)); 
                }; 
            } 
            return refCallback; 
        }; 
        // TODO: check callers that don't care about order. should use getAll instead 
        // NOTE: this method has become less valuable now that we are encouraged to map order by some other index 
        // TODO: provide ONE array-export function, buildArray, which fails on non-numeric indexes. caller can manipulate and "collect" 
        RefMap.prototype.collect = function (startIndex, endIndex, step) { 
            return collectFromHash(this.currentMap, startIndex, endIndex, step); 
        }; 
        RefMap.prototype.getAll = function () { 
            return hashValuesToArray(this.currentMap); 
        }; 
        return RefMap; 
    }()); 
 
    function computeShrinkWidth(chunkEls) { 
        var shrinkCells = findElements(chunkEls, '.fc-scrollgrid-shrink'); 
        var largestWidth = 0; 
        for (var _i = 0, shrinkCells_1 = shrinkCells; _i < shrinkCells_1.length; _i++) { 
            var shrinkCell = shrinkCells_1[_i]; 
            largestWidth = Math.max(largestWidth, computeSmallestCellWidth(shrinkCell)); 
        } 
        return Math.ceil(largestWidth); // <table> elements work best with integers. round up to ensure contents fits 
    } 
    function getSectionHasLiquidHeight(props, sectionConfig) { 
        return props.liquid && sectionConfig.liquid; // does the section do liquid-height? (need to have whole scrollgrid liquid-height as well) 
    } 
    function getAllowYScrolling(props, sectionConfig) { 
        return sectionConfig.maxHeight != null || // if its possible for the height to max out, we might need scrollbars 
            getSectionHasLiquidHeight(props, sectionConfig); // if the section is liquid height, it might condense enough to require scrollbars 
    } 
    // TODO: ONLY use `arg`. force out internal function to use same API 
    function renderChunkContent(sectionConfig, chunkConfig, arg) { 
        var expandRows = arg.expandRows; 
        var content = typeof chunkConfig.content === 'function' ? 
            chunkConfig.content(arg) : 
            createElement('table', { 
                className: [ 
                    chunkConfig.tableClassName, 
                    sectionConfig.syncRowHeights ? 'fc-scrollgrid-sync-table' : '' 
                ].join(' '), 
                style: { 
                    minWidth: arg.tableMinWidth, 
                    width: arg.clientWidth, 
                    height: expandRows ? arg.clientHeight : '' // css `height` on a <table> serves as a min-height 
                } 
            }, arg.tableColGroupNode, createElement('tbody', {}, typeof chunkConfig.rowContent === 'function' ? chunkConfig.rowContent(arg) : chunkConfig.rowContent)); 
        return content; 
    } 
    function isColPropsEqual(cols0, cols1) { 
        return isArraysEqual(cols0, cols1, isPropsEqual); 
    } 
    function renderMicroColGroup(cols, shrinkWidth) { 
        var colNodes = []; 
        /* 
        for ColProps with spans, it would have been great to make a single <col span=""> 
        HOWEVER, Chrome was getting messing up distributing the width to <td>/<th> elements with colspans. 
        SOLUTION: making individual <col> elements makes Chrome behave. 
        */ 
        for (var _i = 0, cols_1 = cols; _i < cols_1.length; _i++) { 
            var colProps = cols_1[_i]; 
            var span = colProps.span || 1; 
            for (var i = 0; i < span; i++) { 
                colNodes.push(createElement("col", { style: { 
                        width: colProps.width === 'shrink' ? sanitizeShrinkWidth(shrinkWidth) : (colProps.width || ''), 
                        minWidth: colProps.minWidth || '' 
                    } })); 
            } 
        } 
        return createElement.apply(void 0, __spreadArrays(['colgroup', {}], colNodes)); 
    } 
    function sanitizeShrinkWidth(shrinkWidth) { 
        /* why 4? if we do 0, it will kill any border, which are needed for computeSmallestCellWidth 
        4 accounts for 2 2-pixel borders. TODO: better solution? */ 
        return shrinkWidth == null ? 4 : shrinkWidth; 
    } 
    function hasShrinkWidth(cols) { 
        for (var _i = 0, cols_2 = cols; _i < cols_2.length; _i++) { 
            var col = cols_2[_i]; 
            if (col.width === 'shrink') { 
                return true; 
            } 
        } 
        return false; 
    } 
    function getScrollGridClassNames(liquid, context) { 
        var classNames = [ 
            'fc-scrollgrid', 
            context.theme.getClass('table') 
        ]; 
        if (liquid) { 
            classNames.push('fc-scrollgrid-liquid'); 
        } 
        return classNames; 
    } 
    function getSectionClassNames(sectionConfig, wholeTableVGrow) { 
        var classNames = [ 
            'fc-scrollgrid-section', 
            sectionConfig.className // used? 
        ]; 
        if (wholeTableVGrow && sectionConfig.liquid && sectionConfig.maxHeight == null) { 
            classNames.push('fc-scrollgrid-section-liquid'); 
        } 
        if (sectionConfig.isSticky) { 
            classNames.push('fc-scrollgrid-section-sticky'); 
        } 
        return classNames; 
    } 
    function renderScrollShim(arg) { 
        return (createElement("div", { className: 'fc-scrollgrid-sticky-shim', style: { 
                width: arg.clientWidth, 
                minWidth: arg.tableMinWidth 
            } })); 
    } 
    function getStickyHeaderDates(options) { 
        var stickyHeaderDates = options.stickyHeaderDates; 
        if (stickyHeaderDates == null || stickyHeaderDates === 'auto') { 
            stickyHeaderDates = options.height === 'auto' || options.viewHeight === 'auto'; 
        } 
        return stickyHeaderDates; 
    } 
    function getStickyFooterScrollbar(options) { 
        var stickyFooterScrollbar = options.stickyFooterScrollbar; 
        if (stickyFooterScrollbar == null || stickyFooterScrollbar === 'auto') { 
            stickyFooterScrollbar = options.height === 'auto' || options.viewHeight === 'auto'; 
        } 
        return stickyFooterScrollbar; 
    } 
 
    var SimpleScrollGrid = /** @class */ (function (_super) { 
        __extends(SimpleScrollGrid, _super); 
        function SimpleScrollGrid() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.processCols = memoize(function (a) { return a; }, isColPropsEqual); // so we get same `cols` props every time 
            _this.renderMicroColGroup = memoize(renderMicroColGroup); // yucky to memoize VNodes, but much more efficient for consumers 
            _this.scrollerRefs = new RefMap(); 
            _this.scrollerElRefs = new RefMap(_this._handleScrollerEl.bind(_this)); 
            _this.state = { 
                shrinkWidth: null, 
                forceYScrollbars: false, 
                scrollerClientWidths: {}, 
                scrollerClientHeights: {} 
            }; 
            // TODO: can do a really simple print-view. dont need to join rows 
            _this.handleSizing = function () { 
                _this.setState(__assign({ shrinkWidth: _this.computeShrinkWidth() }, _this.computeScrollerDims())); 
            }; 
            return _this; 
        } 
        SimpleScrollGrid.prototype.render = function () { 
            var _a = this, props = _a.props, state = _a.state, context = _a.context; 
            var sectionConfigs = props.sections || []; 
            var cols = this.processCols(props.cols); 
            var microColGroupNode = this.renderMicroColGroup(cols, state.shrinkWidth); 
            var classNames = getScrollGridClassNames(props.liquid, context); 
            // TODO: make DRY 
            var configCnt = sectionConfigs.length; 
            var configI = 0; 
            var currentConfig; 
            var headSectionNodes = []; 
            var bodySectionNodes = []; 
            var footSectionNodes = []; 
            while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'header') { 
                headSectionNodes.push(this.renderSection(currentConfig, configI, microColGroupNode)); 
                configI++; 
            } 
            while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'body') { 
                bodySectionNodes.push(this.renderSection(currentConfig, configI, microColGroupNode)); 
                configI++; 
            } 
            while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'footer') { 
                footSectionNodes.push(this.renderSection(currentConfig, configI, microColGroupNode)); 
                configI++; 
            } 
            return (createElement("table", { className: classNames.join(' '), style: { height: props.height } }, 
                Boolean(headSectionNodes.length) && createElement.apply(void 0, __spreadArrays(['thead', {}], headSectionNodes)), 
                Boolean(bodySectionNodes.length) && createElement.apply(void 0, __spreadArrays(['tbody', {}], bodySectionNodes)), 
                Boolean(footSectionNodes.length) && createElement.apply(void 0, __spreadArrays(['tfoot', {}], footSectionNodes)))); 
        }; 
        SimpleScrollGrid.prototype.renderSection = function (sectionConfig, sectionI, microColGroupNode) { 
            if ('outerContent' in sectionConfig) { 
                return (createElement(Fragment, { key: sectionConfig.key }, sectionConfig.outerContent)); 
            } 
            return (createElement("tr", { key: sectionConfig.key, className: getSectionClassNames(sectionConfig, this.props.liquid).join(' ') }, this.renderChunkTd(sectionConfig, sectionI, microColGroupNode, sectionConfig.chunk))); 
        }; 
        SimpleScrollGrid.prototype.renderChunkTd = function (sectionConfig, sectionI, microColGroupNode, chunkConfig) { 
            if ('outerContent' in chunkConfig) { 
                return chunkConfig.outerContent; 
            } 
            var props = this.props; 
            var _a = this.state, forceYScrollbars = _a.forceYScrollbars, scrollerClientWidths = _a.scrollerClientWidths, scrollerClientHeights = _a.scrollerClientHeights; 
            var needsYScrolling = getAllowYScrolling(props, sectionConfig); // TODO: do lazily. do in section config? 
            var isLiquid = getSectionHasLiquidHeight(props, sectionConfig); 
            // for `!props.liquid` - is WHOLE scrollgrid natural height? 
            // TODO: do same thing in advanced scrollgrid? prolly not b/c always has horizontal scrollbars 
            var overflowY = !props.liquid ? 'visible' : 
                forceYScrollbars ? 'scroll' : 
                    !needsYScrolling ? 'hidden' : 
                        'auto'; 
            var content = renderChunkContent(sectionConfig, chunkConfig, { 
                tableColGroupNode: microColGroupNode, 
                tableMinWidth: '', 
                clientWidth: scrollerClientWidths[sectionI] !== undefined ? scrollerClientWidths[sectionI] : null, 
                clientHeight: scrollerClientHeights[sectionI] !== undefined ? scrollerClientHeights[sectionI] : null, 
                expandRows: sectionConfig.expandRows, 
                syncRowHeights: false, 
                rowSyncHeights: [], 
                reportRowHeightChange: function () { } 
            }); 
            return (createElement("td", { ref: chunkConfig.elRef }, 
                createElement("div", { className: 'fc-scroller-harness' + (isLiquid ? ' fc-scroller-harness-liquid' : '') }, 
                    createElement(Scroller, { ref: this.scrollerRefs.createRef(sectionI), elRef: this.scrollerElRefs.createRef(sectionI), overflowY: overflowY, overflowX: !props.liquid ? 'visible' : 'hidden' /* natural height? */, maxHeight: sectionConfig.maxHeight, liquid: isLiquid, liquidIsAbsolute: true /* because its within a harness */ }, content)))); 
        }; 
        SimpleScrollGrid.prototype._handleScrollerEl = function (scrollerEl, key) { 
            var sectionI = parseInt(key, 10); 
            var chunkConfig = this.props.sections[sectionI].chunk; 
            setRef(chunkConfig.scrollerElRef, scrollerEl); 
        }; 
        SimpleScrollGrid.prototype.componentDidMount = function () { 
            this.handleSizing(); 
            this.context.addResizeHandler(this.handleSizing); 
        }; 
        SimpleScrollGrid.prototype.componentDidUpdate = function () { 
            // TODO: need better solution when state contains non-sizing things 
            this.handleSizing(); 
        }; 
        SimpleScrollGrid.prototype.componentWillUnmount = function () { 
            this.context.removeResizeHandler(this.handleSizing); 
        }; 
        SimpleScrollGrid.prototype.computeShrinkWidth = function () { 
            return hasShrinkWidth(this.props.cols) 
                ? computeShrinkWidth(this.scrollerElRefs.getAll()) 
                : 0; 
        }; 
        SimpleScrollGrid.prototype.computeScrollerDims = function () { 
            var scrollbarWidth = getScrollbarWidths(); 
            var sectionCnt = this.props.sections.length; 
            var _a = this, scrollerRefs = _a.scrollerRefs, scrollerElRefs = _a.scrollerElRefs; 
            var forceYScrollbars = false; 
            var scrollerClientWidths = {}; 
            var scrollerClientHeights = {}; 
            for (var sectionI = 0; sectionI < sectionCnt; sectionI++) { // along edge 
                var scroller = scrollerRefs.currentMap[sectionI]; 
                if (scroller && scroller.needsYScrolling()) { 
                    forceYScrollbars = true; 
                    break; 
                } 
            } 
            for (var sectionI = 0; sectionI < sectionCnt; sectionI++) { // along edge 
                var scrollerEl = scrollerElRefs.currentMap[sectionI]; 
                if (scrollerEl) { 
                    var harnessEl = scrollerEl.parentNode; // TODO: weird way to get this. need harness b/c doesn't include table borders 
                    scrollerClientWidths[sectionI] = Math.floor(harnessEl.getBoundingClientRect().width - (forceYScrollbars 
                        ? scrollbarWidth.y // use global because scroller might not have scrollbars yet but will need them in future 
                        : 0)); 
                    scrollerClientHeights[sectionI] = Math.floor(harnessEl.getBoundingClientRect().height // never has horizontal scrollbars 
                    ); 
                } 
            } 
            return { forceYScrollbars: forceYScrollbars, scrollerClientWidths: scrollerClientWidths, scrollerClientHeights: scrollerClientHeights }; 
        }; 
        return SimpleScrollGrid; 
    }(BaseComponent)); 
    SimpleScrollGrid.addStateEquality({ 
        scrollerClientWidths: isPropsEqual, 
        scrollerClientHeights: isPropsEqual 
    }); 
 
    var EventRoot = /** @class */ (function (_super) { 
        __extends(EventRoot, _super); 
        function EventRoot() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.elRef = createRef(); 
            return _this; 
        } 
        EventRoot.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var options = context.options; 
            var seg = props.seg; 
            var eventRange = seg.eventRange; 
            var ui = eventRange.ui; 
            var hookProps = { 
                event: new EventApi(context, eventRange.def, eventRange.instance), 
                view: context.viewApi, 
                timeText: props.timeText, 
                textColor: ui.textColor, 
                backgroundColor: ui.backgroundColor, 
                borderColor: ui.borderColor, 
                isDraggable: !props.disableDragging && computeSegDraggable(seg, context), 
                isStartResizable: !props.disableResizing && computeSegStartResizable(seg, context), 
                isEndResizable: !props.disableResizing && computeSegEndResizable(seg), 
                isMirror: Boolean(props.isDragging || props.isResizing || props.isDateSelecting), 
                isStart: Boolean(seg.isStart), 
                isEnd: Boolean(seg.isEnd), 
                isPast: Boolean(props.isPast), 
                isFuture: Boolean(props.isFuture), 
                isToday: Boolean(props.isToday), 
                isSelected: Boolean(props.isSelected), 
                isDragging: Boolean(props.isDragging), 
                isResizing: Boolean(props.isResizing) 
            }; 
            var standardClassNames = getEventClassNames(hookProps).concat(ui.classNames); 
            return (createElement(RenderHook, { hookProps: hookProps, classNames: options.eventClassNames, content: options.eventContent, defaultContent: props.defaultContent, didMount: options.eventDidMount, willUnmount: options.eventWillUnmount, elRef: this.elRef }, function (rootElRef, customClassNames, innerElRef, innerContent) { return props.children(rootElRef, standardClassNames.concat(customClassNames), innerElRef, innerContent, hookProps); })); 
        }; 
        EventRoot.prototype.componentDidMount = function () { 
            setElSeg(this.elRef.current, this.props.seg); 
        }; 
        /* 
        need to re-assign seg to the element if seg changes, even if the element is the same 
        */ 
        EventRoot.prototype.componentDidUpdate = function (prevProps) { 
            var seg = this.props.seg; 
            if (seg !== prevProps.seg) { 
                setElSeg(this.elRef.current, seg); 
            } 
        }; 
        return EventRoot; 
    }(BaseComponent)); 
 
    // should not be a purecomponent 
    var StandardEvent = /** @class */ (function (_super) { 
        __extends(StandardEvent, _super); 
        function StandardEvent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        StandardEvent.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var seg = props.seg; 
            var timeFormat = context.options.eventTimeFormat || props.defaultTimeFormat; 
            var timeText = buildSegTimeText(seg, timeFormat, context, props.defaultDisplayEventTime, props.defaultDisplayEventEnd); 
            return (createElement(EventRoot, { seg: seg, timeText: timeText, disableDragging: props.disableDragging, disableResizing: props.disableResizing, defaultContent: props.defaultContent || renderInnerContent, isDragging: props.isDragging, isResizing: props.isResizing, isDateSelecting: props.isDateSelecting, isSelected: props.isSelected, isPast: props.isPast, isFuture: props.isFuture, isToday: props.isToday }, function (rootElRef, classNames, innerElRef, innerContent, hookProps) { return (createElement("a", __assign({ className: props.extraClassNames.concat(classNames).join(' '), style: { 
                    borderColor: hookProps.borderColor, 
                    backgroundColor: hookProps.backgroundColor 
                }, ref: rootElRef }, getSegAnchorAttrs(seg)), 
                createElement("div", { className: 'fc-event-main', ref: innerElRef, style: { color: hookProps.textColor } }, innerContent), 
                hookProps.isStartResizable && 
                    createElement("div", { className: 'fc-event-resizer fc-event-resizer-start' }), 
                hookProps.isEndResizable && 
                    createElement("div", { className: 'fc-event-resizer fc-event-resizer-end' }))); })); 
        }; 
        return StandardEvent; 
    }(BaseComponent)); 
    function renderInnerContent(innerProps) { 
        return (createElement("div", { className: 'fc-event-main-frame' }, 
            innerProps.timeText && 
                createElement("div", { className: 'fc-event-time' }, innerProps.timeText), 
            createElement("div", { className: 'fc-event-title-container' }, 
                createElement("div", { className: 'fc-event-title fc-sticky' }, innerProps.event.title || createElement(Fragment, null, ""))))); 
    } 
    function getSegAnchorAttrs(seg) { 
        var url = seg.eventRange.def.url; 
        return url ? { href: url } : {}; 
    } 
 
    var NowIndicatorRoot = function (props) { return (createElement(ViewContextType.Consumer, null, function (context) { 
        var options = context.options; 
        var hookProps = { 
            isAxis: props.isAxis, 
            date: context.dateEnv.toDate(props.date), 
            view: context.viewApi 
        }; 
        return (createElement(RenderHook, { hookProps: hookProps, classNames: options.nowIndicatorClassNames, content: options.nowIndicatorContent, didMount: options.nowIndicatorDidMount, willUnmount: options.nowIndicatorWillUnmount }, props.children)); 
    })); }; 
 
    var DAY_NUM_FORMAT = createFormatter({ day: 'numeric' }); 
    var DayCellRoot = /** @class */ (function (_super) { 
        __extends(DayCellRoot, _super); 
        function DayCellRoot() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.refineHookProps = memoizeObjArg(refineHookProps); 
            _this.normalizeClassNames = buildClassNameNormalizer(); 
            return _this; 
        } 
        DayCellRoot.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var options = context.options; 
            var hookProps = this.refineHookProps({ 
                date: props.date, 
                dateProfile: props.dateProfile, 
                todayRange: props.todayRange, 
                showDayNumber: props.showDayNumber, 
                extraProps: props.extraHookProps, 
                viewApi: context.viewApi, 
                dateEnv: context.dateEnv 
            }); 
            var classNames = getDayClassNames(hookProps, context.theme).concat(hookProps.isDisabled 
                ? [] // don't use custom classNames if disabled 
                : this.normalizeClassNames(options.dayCellClassNames, hookProps)); 
            var dataAttrs = hookProps.isDisabled ? {} : { 
                'data-date': formatDayString(props.date) 
            }; 
            return (createElement(MountHook, { hookProps: hookProps, didMount: options.dayCellDidMount, willUnmount: options.dayCellWillUnmount, elRef: props.elRef }, function (rootElRef) { return props.children(rootElRef, classNames, dataAttrs, hookProps.isDisabled); })); 
        }; 
        return DayCellRoot; 
    }(BaseComponent)); 
    var DayCellContent = /** @class */ (function (_super) { 
        __extends(DayCellContent, _super); 
        function DayCellContent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        DayCellContent.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var options = context.options; 
            var hookProps = refineHookProps({ 
                date: props.date, 
                dateProfile: props.dateProfile, 
                todayRange: props.todayRange, 
                showDayNumber: props.showDayNumber, 
                extraProps: props.extraHookProps, 
                viewApi: context.viewApi, 
                dateEnv: context.dateEnv 
            }); 
            return (createElement(ContentHook, { hookProps: hookProps, content: options.dayCellContent, defaultContent: props.defaultContent }, props.children)); 
        }; 
        return DayCellContent; 
    }(BaseComponent)); 
    function refineHookProps(raw) { 
        var date = raw.date, dateEnv = raw.dateEnv; 
        var dayMeta = getDateMeta(date, raw.todayRange, null, raw.dateProfile); 
        return __assign(__assign(__assign({ date: dateEnv.toDate(date), view: raw.viewApi }, dayMeta), { dayNumberText: raw.showDayNumber ? dateEnv.format(date, DAY_NUM_FORMAT) : '' }), raw.extraProps); 
    } 
 
    function renderFill(fillType) { 
        return (createElement("div", { className: "fc-" + fillType })); 
    } 
    var BgEvent = function (props) { return (createElement(EventRoot, { defaultContent: renderInnerContent$1, seg: props.seg /* uselesss i think */, timeText: '' /* weird */, disableDragging: true, disableResizing: true, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: false, isPast: props.isPast, isFuture: props.isFuture, isToday: props.isToday }, function (rootElRef, classNames, innerElRef, innerContent, hookProps) { return (createElement("div", { ref: rootElRef, className: ['fc-bg-event'].concat(classNames).join(' '), style: { 
            backgroundColor: hookProps.backgroundColor 
        } }, innerContent)); })); }; 
    function renderInnerContent$1(props) { 
        var title = props.event.title; 
        return title && (createElement("div", { className: 'fc-event-title' }, props.event.title)); 
    } 
 
    var WeekNumberRoot = function (props) { return (createElement(ViewContextType.Consumer, null, function (context) { 
        var dateEnv = context.dateEnv, options = context.options; 
        var date = props.date; 
        var format = options.weekNumberFormat || props.defaultFormat; 
        var num = dateEnv.computeWeekNumber(date); // TODO: somehow use for formatting as well? 
        var text = dateEnv.format(date, format); 
        var hookProps = { num: num, text: text, date: date }; 
        return (createElement(RenderHook, { hookProps: hookProps, classNames: options.weekNumberClassNames, content: options.weekNumberContent, defaultContent: renderInner$1, didMount: options.weekNumberDidMount, willUnmount: options.weekNumberWillUnmount }, props.children)); 
    })); }; 
    function renderInner$1(innerProps) { 
        return innerProps.text; 
    } 
 
    // exports 
    // -------------------------------------------------------------------------------------------------- 
    var version = '<%= version %>'; // important to type it, so .d.ts has generic string 
 
    var Calendar = /** @class */ (function (_super) { 
        __extends(Calendar, _super); 
        function Calendar(el, optionOverrides) { 
            if (optionOverrides === void 0) { optionOverrides = {}; } 
            var _this = _super.call(this) || this; 
            _this.isRendering = false; 
            _this.isRendered = false; 
            _this.currentClassNames = []; 
            _this.customContentRenderId = 0; // will affect custom generated classNames? 
            _this.handleAction = function (action) { 
                // actions we know we want to render immediately 
                switch (action.type) { 
                    case 'SET_EVENT_DRAG': 
                    case 'SET_EVENT_RESIZE': 
                        _this.renderRunner.tryDrain(); 
                } 
            }; 
            _this.handleData = function (data) { 
                _this.currentData = data; 
                _this.renderRunner.request(data.calendarOptions.rerenderDelay); 
            }; 
            _this.handleRenderRequest = function () { 
                if (_this.isRendering) { 
                    _this.isRendered = true; 
                    var currentData_1 = _this.currentData; 
                    render(createElement(CalendarRoot, { options: currentData_1.calendarOptions, theme: currentData_1.theme, emitter: currentData_1.emitter }, function (classNames, height, isHeightAuto, forPrint) { 
                        _this.setClassNames(classNames); 
                        _this.setHeight(height); 
                        return (createElement(CustomContentRenderContext.Provider, { value: _this.customContentRenderId }, 
                            createElement(CalendarContent, __assign({ isHeightAuto: isHeightAuto, forPrint: forPrint }, currentData_1)))); 
                    }), _this.el); 
                } 
                else if (_this.isRendered) { 
                    _this.isRendered = false; 
                    render(null, _this.el); 
                    _this.setClassNames([]); 
                    _this.setHeight(''); 
                } 
                flushToDom$1(); 
            }; 
            _this.el = el; 
            _this.renderRunner = new DelayedRunner(_this.handleRenderRequest); 
            new CalendarDataManager({ 
                optionOverrides: optionOverrides, 
                calendarApi: _this, 
                onAction: _this.handleAction, 
                onData: _this.handleData 
            }); 
            return _this; 
        } 
        Object.defineProperty(Calendar.prototype, "view", { 
            get: function () { return this.currentData.viewApi; } // for public API 
            , 
            enumerable: false, 
            configurable: true 
        }); 
        Calendar.prototype.render = function () { 
            if (!this.isRendering) { 
                this.isRendering = true; 
            } 
            else { 
                this.customContentRenderId++; 
            } 
            this.renderRunner.request(); 
        }; 
        Calendar.prototype.destroy = function () { 
            if (this.isRendering) { 
                this.isRendering = false; 
                this.renderRunner.request(); 
            } 
        }; 
        Calendar.prototype.updateSize = function () { 
            _super.prototype.updateSize.call(this); 
            flushToDom$1(); 
        }; 
        Calendar.prototype.batchRendering = function (func) { 
            this.renderRunner.pause('batchRendering'); 
            func(); 
            this.renderRunner.resume('batchRendering'); 
        }; 
        Calendar.prototype.pauseRendering = function () { 
            this.renderRunner.pause('pauseRendering'); 
        }; 
        Calendar.prototype.resumeRendering = function () { 
            this.renderRunner.resume('pauseRendering', true); 
        }; 
        Calendar.prototype.resetOptions = function (optionOverrides, append) { 
            this.currentDataManager.resetOptions(optionOverrides, append); 
        }; 
        Calendar.prototype.setClassNames = function (classNames) { 
            if (!isArraysEqual(classNames, this.currentClassNames)) { 
                var classList = this.el.classList; 
                for (var _i = 0, _a = this.currentClassNames; _i < _a.length; _i++) { 
                    var className = _a[_i]; 
                    classList.remove(className); 
                } 
                for (var _b = 0, classNames_1 = classNames; _b < classNames_1.length; _b++) { 
                    var className = classNames_1[_b]; 
                    classList.add(className); 
                } 
                this.currentClassNames = classNames; 
            } 
        }; 
        Calendar.prototype.setHeight = function (height) { 
            applyStyleProp(this.el, 'height', height); 
        }; 
        return Calendar; 
    }(CalendarApi)); 
 
    config.touchMouseIgnoreWait = 500; 
    var ignoreMouseDepth = 0; 
    var listenerCnt = 0; 
    var isWindowTouchMoveCancelled = false; 
    /* 
    Uses a "pointer" abstraction, which monitors UI events for both mouse and touch. 
    Tracks when the pointer "drags" on a certain element, meaning down+move+up. 
 
    Also, tracks if there was touch-scrolling. 
    Also, can prevent touch-scrolling from happening. 
    Also, can fire pointermove events when scrolling happens underneath, even when no real pointer movement. 
 
    emits: 
    - pointerdown 
    - pointermove 
    - pointerup 
    */ 
    var PointerDragging = /** @class */ (function () { 
        function PointerDragging(containerEl) { 
            var _this = this; 
            this.subjectEl = null; 
            this.downEl = null; 
            // options that can be directly assigned by caller 
            this.selector = ''; // will cause subjectEl in all emitted events to be this element 
            this.handleSelector = ''; 
            this.shouldIgnoreMove = false; 
            this.shouldWatchScroll = true; // for simulating pointermove on scroll 
            // internal states 
            this.isDragging = false; 
            this.isTouchDragging = false; 
            this.wasTouchScroll = false; 
            // Mouse 
            // ---------------------------------------------------------------------------------------------------- 
            this.handleMouseDown = function (ev) { 
                if (!_this.shouldIgnoreMouse() && 
                    isPrimaryMouseButton(ev) && 
                    _this.tryStart(ev)) { 
                    var pev = _this.createEventFromMouse(ev, true); 
                    _this.emitter.trigger('pointerdown', pev); 
                    _this.initScrollWatch(pev); 
                    if (!_this.shouldIgnoreMove) { 
                        document.addEventListener('mousemove', _this.handleMouseMove); 
                    } 
                    document.addEventListener('mouseup', _this.handleMouseUp); 
                } 
            }; 
            this.handleMouseMove = function (ev) { 
                var pev = _this.createEventFromMouse(ev); 
                _this.recordCoords(pev); 
                _this.emitter.trigger('pointermove', pev); 
            }; 
            this.handleMouseUp = function (ev) { 
                document.removeEventListener('mousemove', _this.handleMouseMove); 
                document.removeEventListener('mouseup', _this.handleMouseUp); 
                _this.emitter.trigger('pointerup', _this.createEventFromMouse(ev)); 
                _this.cleanup(); // call last so that pointerup has access to props 
            }; 
            // Touch 
            // ---------------------------------------------------------------------------------------------------- 
            this.handleTouchStart = function (ev) { 
                if (_this.tryStart(ev)) { 
                    _this.isTouchDragging = true; 
                    var pev = _this.createEventFromTouch(ev, true); 
                    _this.emitter.trigger('pointerdown', pev); 
                    _this.initScrollWatch(pev); 
                    // unlike mouse, need to attach to target, not document 
                    // https://stackoverflow.com/a/45760014 
                    var target = ev.target; 
                    if (!_this.shouldIgnoreMove) { 
                        target.addEventListener('touchmove', _this.handleTouchMove); 
                    } 
                    target.addEventListener('touchend', _this.handleTouchEnd); 
                    target.addEventListener('touchcancel', _this.handleTouchEnd); // treat it as a touch end 
                    // attach a handler to get called when ANY scroll action happens on the page. 
                    // this was impossible to do with normal on/off because 'scroll' doesn't bubble. 
                    // http://stackoverflow.com/a/32954565/96342 
                    window.addEventListener('scroll', _this.handleTouchScroll, true // useCapture 
                    ); 
                } 
            }; 
            this.handleTouchMove = function (ev) { 
                var pev = _this.createEventFromTouch(ev); 
                _this.recordCoords(pev); 
                _this.emitter.trigger('pointermove', pev); 
            }; 
            this.handleTouchEnd = function (ev) { 
                if (_this.isDragging) { // done to guard against touchend followed by touchcancel 
                    var target = ev.target; 
                    target.removeEventListener('touchmove', _this.handleTouchMove); 
                    target.removeEventListener('touchend', _this.handleTouchEnd); 
                    target.removeEventListener('touchcancel', _this.handleTouchEnd); 
                    window.removeEventListener('scroll', _this.handleTouchScroll, true); // useCaptured=true 
                    _this.emitter.trigger('pointerup', _this.createEventFromTouch(ev)); 
                    _this.cleanup(); // call last so that pointerup has access to props 
                    _this.isTouchDragging = false; 
                    startIgnoringMouse(); 
                } 
            }; 
            this.handleTouchScroll = function () { 
                _this.wasTouchScroll = true; 
            }; 
            this.handleScroll = function (ev) { 
                if (!_this.shouldIgnoreMove) { 
                    var pageX = (window.pageXOffset - _this.prevScrollX) + _this.prevPageX; 
                    var pageY = (window.pageYOffset - _this.prevScrollY) + _this.prevPageY; 
                    _this.emitter.trigger('pointermove', { 
                        origEvent: ev, 
                        isTouch: _this.isTouchDragging, 
                        subjectEl: _this.subjectEl, 
                        pageX: pageX, 
                        pageY: pageY, 
                        deltaX: pageX - _this.origPageX, 
                        deltaY: pageY - _this.origPageY 
                    }); 
                } 
            }; 
            this.containerEl = containerEl; 
            this.emitter = new Emitter(); 
            containerEl.addEventListener('mousedown', this.handleMouseDown); 
            containerEl.addEventListener('touchstart', this.handleTouchStart, { passive: true }); 
            listenerCreated(); 
        } 
        PointerDragging.prototype.destroy = function () { 
            this.containerEl.removeEventListener('mousedown', this.handleMouseDown); 
            this.containerEl.removeEventListener('touchstart', this.handleTouchStart, { passive: true }); 
            listenerDestroyed(); 
        }; 
        PointerDragging.prototype.tryStart = function (ev) { 
            var subjectEl = this.querySubjectEl(ev); 
            var downEl = ev.target; 
            if (subjectEl && 
                (!this.handleSelector || elementClosest(downEl, this.handleSelector))) { 
                this.subjectEl = subjectEl; 
                this.downEl = downEl; 
                this.isDragging = true; // do this first so cancelTouchScroll will work 
                this.wasTouchScroll = false; 
                return true; 
            } 
            return false; 
        }; 
        PointerDragging.prototype.cleanup = function () { 
            isWindowTouchMoveCancelled = false; 
            this.isDragging = false; 
            this.subjectEl = null; 
            this.downEl = null; 
            // keep wasTouchScroll around for later access 
            this.destroyScrollWatch(); 
        }; 
        PointerDragging.prototype.querySubjectEl = function (ev) { 
            if (this.selector) { 
                return elementClosest(ev.target, this.selector); 
            } 
            else { 
                return this.containerEl; 
            } 
        }; 
        PointerDragging.prototype.shouldIgnoreMouse = function () { 
            return ignoreMouseDepth || this.isTouchDragging; 
        }; 
        // can be called by user of this class, to cancel touch-based scrolling for the current drag 
        PointerDragging.prototype.cancelTouchScroll = function () { 
            if (this.isDragging) { 
                isWindowTouchMoveCancelled = true; 
            } 
        }; 
        // Scrolling that simulates pointermoves 
        // ---------------------------------------------------------------------------------------------------- 
        PointerDragging.prototype.initScrollWatch = function (ev) { 
            if (this.shouldWatchScroll) { 
                this.recordCoords(ev); 
                window.addEventListener('scroll', this.handleScroll, true); // useCapture=true 
            } 
        }; 
        PointerDragging.prototype.recordCoords = function (ev) { 
            if (this.shouldWatchScroll) { 
                this.prevPageX = ev.pageX; 
                this.prevPageY = ev.pageY; 
                this.prevScrollX = window.pageXOffset; 
                this.prevScrollY = window.pageYOffset; 
            } 
        }; 
        PointerDragging.prototype.destroyScrollWatch = function () { 
            if (this.shouldWatchScroll) { 
                window.removeEventListener('scroll', this.handleScroll, true); // useCaptured=true 
            } 
        }; 
        // Event Normalization 
        // ---------------------------------------------------------------------------------------------------- 
        PointerDragging.prototype.createEventFromMouse = function (ev, isFirst) { 
            var deltaX = 0; 
            var deltaY = 0; 
            // TODO: repeat code 
            if (isFirst) { 
                this.origPageX = ev.pageX; 
                this.origPageY = ev.pageY; 
            } 
            else { 
                deltaX = ev.pageX - this.origPageX; 
                deltaY = ev.pageY - this.origPageY; 
            } 
            return { 
                origEvent: ev, 
                isTouch: false, 
                subjectEl: this.subjectEl, 
                pageX: ev.pageX, 
                pageY: ev.pageY, 
                deltaX: deltaX, 
                deltaY: deltaY 
            }; 
        }; 
        PointerDragging.prototype.createEventFromTouch = function (ev, isFirst) { 
            var touches = ev.touches; 
            var pageX; 
            var pageY; 
            var deltaX = 0; 
            var deltaY = 0; 
            // if touch coords available, prefer, 
            // because FF would give bad ev.pageX ev.pageY 
            if (touches && touches.length) { 
                pageX = touches[0].pageX; 
                pageY = touches[0].pageY; 
            } 
            else { 
                pageX = ev.pageX; 
                pageY = ev.pageY; 
            } 
            // TODO: repeat code 
            if (isFirst) { 
                this.origPageX = pageX; 
                this.origPageY = pageY; 
            } 
            else { 
                deltaX = pageX - this.origPageX; 
                deltaY = pageY - this.origPageY; 
            } 
            return { 
                origEvent: ev, 
                isTouch: true, 
                subjectEl: this.subjectEl, 
                pageX: pageX, 
                pageY: pageY, 
                deltaX: deltaX, 
                deltaY: deltaY 
            }; 
        }; 
        return PointerDragging; 
    }()); 
    // Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac) 
    function isPrimaryMouseButton(ev) { 
        return ev.button === 0 && !ev.ctrlKey; 
    } 
    // Ignoring fake mouse events generated by touch 
    // ---------------------------------------------------------------------------------------------------- 
    function startIgnoringMouse() { 
        ignoreMouseDepth++; 
        setTimeout(function () { 
            ignoreMouseDepth--; 
        }, config.touchMouseIgnoreWait); 
    } 
    // We want to attach touchmove as early as possible for Safari 
    // ---------------------------------------------------------------------------------------------------- 
    function listenerCreated() { 
        if (!(listenerCnt++)) { 
            window.addEventListener('touchmove', onWindowTouchMove, { passive: false }); 
        } 
    } 
    function listenerDestroyed() { 
        if (!(--listenerCnt)) { 
            window.removeEventListener('touchmove', onWindowTouchMove, { passive: false }); 
        } 
    } 
    function onWindowTouchMove(ev) { 
        if (isWindowTouchMoveCancelled) { 
            ev.preventDefault(); 
        } 
    } 
 
    /* 
    An effect in which an element follows the movement of a pointer across the screen. 
    The moving element is a clone of some other element. 
    Must call start + handleMove + stop. 
    */ 
    var ElementMirror = /** @class */ (function () { 
        function ElementMirror() { 
            this.isVisible = false; // must be explicitly enabled 
            this.sourceEl = null; 
            this.mirrorEl = null; 
            this.sourceElRect = null; // screen coords relative to viewport 
            // options that can be set directly by caller 
            this.parentNode = document.body; 
            this.zIndex = 9999; 
            this.revertDuration = 0; 
        } 
        ElementMirror.prototype.start = function (sourceEl, pageX, pageY) { 
            this.sourceEl = sourceEl; 
            this.sourceElRect = this.sourceEl.getBoundingClientRect(); 
            this.origScreenX = pageX - window.pageXOffset; 
            this.origScreenY = pageY - window.pageYOffset; 
            this.deltaX = 0; 
            this.deltaY = 0; 
            this.updateElPosition(); 
        }; 
        ElementMirror.prototype.handleMove = function (pageX, pageY) { 
            this.deltaX = (pageX - window.pageXOffset) - this.origScreenX; 
            this.deltaY = (pageY - window.pageYOffset) - this.origScreenY; 
            this.updateElPosition(); 
        }; 
        // can be called before start 
        ElementMirror.prototype.setIsVisible = function (bool) { 
            if (bool) { 
                if (!this.isVisible) { 
                    if (this.mirrorEl) { 
                        this.mirrorEl.style.display = ''; 
                    } 
                    this.isVisible = bool; // needs to happen before updateElPosition 
                    this.updateElPosition(); // because was not updating the position while invisible 
                } 
            } 
            else { 
                if (this.isVisible) { 
                    if (this.mirrorEl) { 
                        this.mirrorEl.style.display = 'none'; 
                    } 
                    this.isVisible = bool; 
                } 
            } 
        }; 
        // always async 
        ElementMirror.prototype.stop = function (needsRevertAnimation, callback) { 
            var _this = this; 
            var done = function () { 
                _this.cleanup(); 
                callback(); 
            }; 
            if (needsRevertAnimation && 
                this.mirrorEl && 
                this.isVisible && 
                this.revertDuration && // if 0, transition won't work 
                (this.deltaX || this.deltaY) // if same coords, transition won't work 
            ) { 
                this.doRevertAnimation(done, this.revertDuration); 
            } 
            else { 
                setTimeout(done, 0); 
            } 
        }; 
        ElementMirror.prototype.doRevertAnimation = function (callback, revertDuration) { 
            var mirrorEl = this.mirrorEl; 
            var finalSourceElRect = this.sourceEl.getBoundingClientRect(); // because autoscrolling might have happened 
            mirrorEl.style.transition = 
                'top ' + revertDuration + 'ms,' + 
                    'left ' + revertDuration + 'ms'; 
            applyStyle(mirrorEl, { 
                left: finalSourceElRect.left, 
                top: finalSourceElRect.top 
            }); 
            whenTransitionDone(mirrorEl, function () { 
                mirrorEl.style.transition = ''; 
                callback(); 
            }); 
        }; 
        ElementMirror.prototype.cleanup = function () { 
            if (this.mirrorEl) { 
                removeElement(this.mirrorEl); 
                this.mirrorEl = null; 
            } 
            this.sourceEl = null; 
        }; 
        ElementMirror.prototype.updateElPosition = function () { 
            if (this.sourceEl && this.isVisible) { 
                applyStyle(this.getMirrorEl(), { 
                    left: this.sourceElRect.left + this.deltaX, 
                    top: this.sourceElRect.top + this.deltaY 
                }); 
            } 
        }; 
        ElementMirror.prototype.getMirrorEl = function () { 
            var sourceElRect = this.sourceElRect; 
            var mirrorEl = this.mirrorEl; 
            if (!mirrorEl) { 
                mirrorEl = this.mirrorEl = this.sourceEl.cloneNode(true); // cloneChildren=true 
                // we don't want long taps or any mouse interaction causing selection/menus. 
                // would use preventSelection(), but that prevents selectstart, causing problems. 
                mirrorEl.classList.add('fc-unselectable'); 
                mirrorEl.classList.add('fc-event-dragging'); 
                applyStyle(mirrorEl, { 
                    position: 'fixed', 
                    zIndex: this.zIndex, 
                    visibility: '', 
                    boxSizing: 'border-box', 
                    width: sourceElRect.right - sourceElRect.left, 
                    height: sourceElRect.bottom - sourceElRect.top, 
                    right: 'auto', 
                    bottom: 'auto', 
                    margin: 0 
                }); 
                this.parentNode.appendChild(mirrorEl); 
            } 
            return mirrorEl; 
        }; 
        return ElementMirror; 
    }()); 
 
    /* 
    Is a cache for a given element's scroll information (all the info that ScrollController stores) 
    in addition the "client rectangle" of the element.. the area within the scrollbars. 
 
    The cache can be in one of two modes: 
    - doesListening:false - ignores when the container is scrolled by someone else 
    - doesListening:true - watch for scrolling and update the cache 
    */ 
    var ScrollGeomCache = /** @class */ (function (_super) { 
        __extends(ScrollGeomCache, _super); 
        function ScrollGeomCache(scrollController, doesListening) { 
            var _this = _super.call(this) || this; 
            _this.handleScroll = function () { 
                _this.scrollTop = _this.scrollController.getScrollTop(); 
                _this.scrollLeft = _this.scrollController.getScrollLeft(); 
                _this.handleScrollChange(); 
            }; 
            _this.scrollController = scrollController; 
            _this.doesListening = doesListening; 
            _this.scrollTop = _this.origScrollTop = scrollController.getScrollTop(); 
            _this.scrollLeft = _this.origScrollLeft = scrollController.getScrollLeft(); 
            _this.scrollWidth = scrollController.getScrollWidth(); 
            _this.scrollHeight = scrollController.getScrollHeight(); 
            _this.clientWidth = scrollController.getClientWidth(); 
            _this.clientHeight = scrollController.getClientHeight(); 
            _this.clientRect = _this.computeClientRect(); // do last in case it needs cached values 
            if (_this.doesListening) { 
                _this.getEventTarget().addEventListener('scroll', _this.handleScroll); 
            } 
            return _this; 
        } 
        ScrollGeomCache.prototype.destroy = function () { 
            if (this.doesListening) { 
                this.getEventTarget().removeEventListener('scroll', this.handleScroll); 
            } 
        }; 
        ScrollGeomCache.prototype.getScrollTop = function () { 
            return this.scrollTop; 
        }; 
        ScrollGeomCache.prototype.getScrollLeft = function () { 
            return this.scrollLeft; 
        }; 
        ScrollGeomCache.prototype.setScrollTop = function (top) { 
            this.scrollController.setScrollTop(top); 
            if (!this.doesListening) { 
                // we are not relying on the element to normalize out-of-bounds scroll values 
                // so we need to sanitize ourselves 
                this.scrollTop = Math.max(Math.min(top, this.getMaxScrollTop()), 0); 
                this.handleScrollChange(); 
            } 
        }; 
        ScrollGeomCache.prototype.setScrollLeft = function (top) { 
            this.scrollController.setScrollLeft(top); 
            if (!this.doesListening) { 
                // we are not relying on the element to normalize out-of-bounds scroll values 
                // so we need to sanitize ourselves 
                this.scrollLeft = Math.max(Math.min(top, this.getMaxScrollLeft()), 0); 
                this.handleScrollChange(); 
            } 
        }; 
        ScrollGeomCache.prototype.getClientWidth = function () { 
            return this.clientWidth; 
        }; 
        ScrollGeomCache.prototype.getClientHeight = function () { 
            return this.clientHeight; 
        }; 
        ScrollGeomCache.prototype.getScrollWidth = function () { 
            return this.scrollWidth; 
        }; 
        ScrollGeomCache.prototype.getScrollHeight = function () { 
            return this.scrollHeight; 
        }; 
        ScrollGeomCache.prototype.handleScrollChange = function () { 
        }; 
        return ScrollGeomCache; 
    }(ScrollController)); 
    var ElementScrollGeomCache = /** @class */ (function (_super) { 
        __extends(ElementScrollGeomCache, _super); 
        function ElementScrollGeomCache(el, doesListening) { 
            return _super.call(this, new ElementScrollController(el), doesListening) || this; 
        } 
        ElementScrollGeomCache.prototype.getEventTarget = function () { 
            return this.scrollController.el; 
        }; 
        ElementScrollGeomCache.prototype.computeClientRect = function () { 
            return computeInnerRect(this.scrollController.el); 
        }; 
        return ElementScrollGeomCache; 
    }(ScrollGeomCache)); 
    var WindowScrollGeomCache = /** @class */ (function (_super) { 
        __extends(WindowScrollGeomCache, _super); 
        function WindowScrollGeomCache(doesListening) { 
            return _super.call(this, new WindowScrollController(), doesListening) || this; 
        } 
        WindowScrollGeomCache.prototype.getEventTarget = function () { 
            return window; 
        }; 
        WindowScrollGeomCache.prototype.computeClientRect = function () { 
            return { 
                left: this.scrollLeft, 
                right: this.scrollLeft + this.clientWidth, 
                top: this.scrollTop, 
                bottom: this.scrollTop + this.clientHeight 
            }; 
        }; 
        // the window is the only scroll object that changes it's rectangle relative 
        // to the document's topleft as it scrolls 
        WindowScrollGeomCache.prototype.handleScrollChange = function () { 
            this.clientRect = this.computeClientRect(); 
        }; 
        return WindowScrollGeomCache; 
    }(ScrollGeomCache)); 
 
    // If available we are using native "performance" API instead of "Date" 
    // Read more about it on MDN: 
    // https://developer.mozilla.org/en-US/docs/Web/API/Performance 
    var getTime = typeof performance === 'function' ? performance.now : Date.now; 
    /* 
    For a pointer interaction, automatically scrolls certain scroll containers when the pointer 
    approaches the edge. 
 
    The caller must call start + handleMove + stop. 
    */ 
    var AutoScroller = /** @class */ (function () { 
        function AutoScroller() { 
            var _this = this; 
            // options that can be set by caller 
            this.isEnabled = true; 
            this.scrollQuery = [window, '.fc-scroller']; 
            this.edgeThreshold = 50; // pixels 
            this.maxVelocity = 300; // pixels per second 
            // internal state 
            this.pointerScreenX = null; 
            this.pointerScreenY = null; 
            this.isAnimating = false; 
            this.scrollCaches = null; 
            // protect against the initial pointerdown being too close to an edge and starting the scroll 
            this.everMovedUp = false; 
            this.everMovedDown = false; 
            this.everMovedLeft = false; 
            this.everMovedRight = false; 
            this.animate = function () { 
                if (_this.isAnimating) { // wasn't cancelled between animation calls 
                    var edge = _this.computeBestEdge(_this.pointerScreenX + window.pageXOffset, _this.pointerScreenY + window.pageYOffset); 
                    if (edge) { 
                        var now = getTime(); 
                        _this.handleSide(edge, (now - _this.msSinceRequest) / 1000); 
                        _this.requestAnimation(now); 
                    } 
                    else { 
                        _this.isAnimating = false; // will stop animation 
                    } 
                } 
            }; 
        } 
        AutoScroller.prototype.start = function (pageX, pageY) { 
            if (this.isEnabled) { 
                this.scrollCaches = this.buildCaches(); 
                this.pointerScreenX = null; 
                this.pointerScreenY = null; 
                this.everMovedUp = false; 
                this.everMovedDown = false; 
                this.everMovedLeft = false; 
                this.everMovedRight = false; 
                this.handleMove(pageX, pageY); 
            } 
        }; 
        AutoScroller.prototype.handleMove = function (pageX, pageY) { 
            if (this.isEnabled) { 
                var pointerScreenX = pageX - window.pageXOffset; 
                var pointerScreenY = pageY - window.pageYOffset; 
                var yDelta = this.pointerScreenY === null ? 0 : pointerScreenY - this.pointerScreenY; 
                var xDelta = this.pointerScreenX === null ? 0 : pointerScreenX - this.pointerScreenX; 
                if (yDelta < 0) { 
                    this.everMovedUp = true; 
                } 
                else if (yDelta > 0) { 
                    this.everMovedDown = true; 
                } 
                if (xDelta < 0) { 
                    this.everMovedLeft = true; 
                } 
                else if (xDelta > 0) { 
                    this.everMovedRight = true; 
                } 
                this.pointerScreenX = pointerScreenX; 
                this.pointerScreenY = pointerScreenY; 
                if (!this.isAnimating) { 
                    this.isAnimating = true; 
                    this.requestAnimation(getTime()); 
                } 
            } 
        }; 
        AutoScroller.prototype.stop = function () { 
            if (this.isEnabled) { 
                this.isAnimating = false; // will stop animation 
                for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) { 
                    var scrollCache = _a[_i]; 
                    scrollCache.destroy(); 
                } 
                this.scrollCaches = null; 
            } 
        }; 
        AutoScroller.prototype.requestAnimation = function (now) { 
            this.msSinceRequest = now; 
            requestAnimationFrame(this.animate); 
        }; 
        AutoScroller.prototype.handleSide = function (edge, seconds) { 
            var scrollCache = edge.scrollCache; 
            var edgeThreshold = this.edgeThreshold; 
            var invDistance = edgeThreshold - edge.distance; 
            var velocity = // the closer to the edge, the faster we scroll 
             (invDistance * invDistance) / (edgeThreshold * edgeThreshold) * // quadratic 
                this.maxVelocity * seconds; 
            var sign = 1; 
            switch (edge.name) { 
                case 'left': 
                    sign = -1; 
                // falls through 
                case 'right': 
                    scrollCache.setScrollLeft(scrollCache.getScrollLeft() + velocity * sign); 
                    break; 
                case 'top': 
                    sign = -1; 
                // falls through 
                case 'bottom': 
                    scrollCache.setScrollTop(scrollCache.getScrollTop() + velocity * sign); 
                    break; 
            } 
        }; 
        // left/top are relative to document topleft 
        AutoScroller.prototype.computeBestEdge = function (left, top) { 
            var edgeThreshold = this.edgeThreshold; 
            var bestSide = null; 
            for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) { 
                var scrollCache = _a[_i]; 
                var rect = scrollCache.clientRect; 
                var leftDist = left - rect.left; 
                var rightDist = rect.right - left; 
                var topDist = top - rect.top; 
                var bottomDist = rect.bottom - top; 
                // completely within the rect? 
                if (leftDist >= 0 && rightDist >= 0 && topDist >= 0 && bottomDist >= 0) { 
                    if (topDist <= edgeThreshold && this.everMovedUp && scrollCache.canScrollUp() && 
                        (!bestSide || bestSide.distance > topDist)) { 
                        bestSide = { scrollCache: scrollCache, name: 'top', distance: topDist }; 
                    } 
                    if (bottomDist <= edgeThreshold && this.everMovedDown && scrollCache.canScrollDown() && 
                        (!bestSide || bestSide.distance > bottomDist)) { 
                        bestSide = { scrollCache: scrollCache, name: 'bottom', distance: bottomDist }; 
                    } 
                    if (leftDist <= edgeThreshold && this.everMovedLeft && scrollCache.canScrollLeft() && 
                        (!bestSide || bestSide.distance > leftDist)) { 
                        bestSide = { scrollCache: scrollCache, name: 'left', distance: leftDist }; 
                    } 
                    if (rightDist <= edgeThreshold && this.everMovedRight && scrollCache.canScrollRight() && 
                        (!bestSide || bestSide.distance > rightDist)) { 
                        bestSide = { scrollCache: scrollCache, name: 'right', distance: rightDist }; 
                    } 
                } 
            } 
            return bestSide; 
        }; 
        AutoScroller.prototype.buildCaches = function () { 
            return this.queryScrollEls().map(function (el) { 
                if (el === window) { 
                    return new WindowScrollGeomCache(false); // false = don't listen to user-generated scrolls 
                } 
                else { 
                    return new ElementScrollGeomCache(el, false); // false = don't listen to user-generated scrolls 
                } 
            }); 
        }; 
        AutoScroller.prototype.queryScrollEls = function () { 
            var els = []; 
            for (var _i = 0, _a = this.scrollQuery; _i < _a.length; _i++) { 
                var query = _a[_i]; 
                if (typeof query === 'object') { 
                    els.push(query); 
                } 
                else { 
                    els.push.apply(els, Array.prototype.slice.call(document.querySelectorAll(query))); 
                } 
            } 
            return els; 
        }; 
        return AutoScroller; 
    }()); 
 
    /* 
    Monitors dragging on an element. Has a number of high-level features: 
    - minimum distance required before dragging 
    - minimum wait time ("delay") before dragging 
    - a mirror element that follows the pointer 
    */ 
    var FeaturefulElementDragging = /** @class */ (function (_super) { 
        __extends(FeaturefulElementDragging, _super); 
        function FeaturefulElementDragging(containerEl, selector) { 
            var _this = _super.call(this, containerEl) || this; 
            // options that can be directly set by caller 
            // the caller can also set the PointerDragging's options as well 
            _this.delay = null; 
            _this.minDistance = 0; 
            _this.touchScrollAllowed = true; // prevents drag from starting and blocks scrolling during drag 
            _this.mirrorNeedsRevert = false; 
            _this.isInteracting = false; // is the user validly moving the pointer? lasts until pointerup 
            _this.isDragging = false; // is it INTENTFULLY dragging? lasts until after revert animation 
            _this.isDelayEnded = false; 
            _this.isDistanceSurpassed = false; 
            _this.delayTimeoutId = null; 
            _this.onPointerDown = function (ev) { 
                if (!_this.isDragging) { // so new drag doesn't happen while revert animation is going 
                    _this.isInteracting = true; 
                    _this.isDelayEnded = false; 
                    _this.isDistanceSurpassed = false; 
                    preventSelection(document.body); 
                    preventContextMenu(document.body); 
                    // prevent links from being visited if there's an eventual drag. 
                    // also prevents selection in older browsers (maybe?). 
                    // not necessary for touch, besides, browser would complain about passiveness. 
                    if (!ev.isTouch) { 
                        ev.origEvent.preventDefault(); 
                    } 
                    _this.emitter.trigger('pointerdown', ev); 
                    if (_this.isInteracting && // not destroyed via pointerdown handler 
                        !_this.pointer.shouldIgnoreMove) { 
                        // actions related to initiating dragstart+dragmove+dragend... 
                        _this.mirror.setIsVisible(false); // reset. caller must set-visible 
                        _this.mirror.start(ev.subjectEl, ev.pageX, ev.pageY); // must happen on first pointer down 
                        _this.startDelay(ev); 
                        if (!_this.minDistance) { 
                            _this.handleDistanceSurpassed(ev); 
                        } 
                    } 
                } 
            }; 
            _this.onPointerMove = function (ev) { 
                if (_this.isInteracting) { 
                    _this.emitter.trigger('pointermove', ev); 
                    if (!_this.isDistanceSurpassed) { 
                        var minDistance = _this.minDistance; 
                        var distanceSq = void 0; // current distance from the origin, squared 
                        var deltaX = ev.deltaX, deltaY = ev.deltaY; 
                        distanceSq = deltaX * deltaX + deltaY * deltaY; 
                        if (distanceSq >= minDistance * minDistance) { // use pythagorean theorem 
                            _this.handleDistanceSurpassed(ev); 
                        } 
                    } 
                    if (_this.isDragging) { 
                        // a real pointer move? (not one simulated by scrolling) 
                        if (ev.origEvent.type !== 'scroll') { 
                            _this.mirror.handleMove(ev.pageX, ev.pageY); 
                            _this.autoScroller.handleMove(ev.pageX, ev.pageY); 
                        } 
                        _this.emitter.trigger('dragmove', ev); 
                    } 
                } 
            }; 
            _this.onPointerUp = function (ev) { 
                if (_this.isInteracting) { 
                    _this.isInteracting = false; 
                    allowSelection(document.body); 
                    allowContextMenu(document.body); 
                    _this.emitter.trigger('pointerup', ev); // can potentially set mirrorNeedsRevert 
                    if (_this.isDragging) { 
                        _this.autoScroller.stop(); 
                        _this.tryStopDrag(ev); // which will stop the mirror 
                    } 
                    if (_this.delayTimeoutId) { 
                        clearTimeout(_this.delayTimeoutId); 
                        _this.delayTimeoutId = null; 
                    } 
                } 
            }; 
            var pointer = _this.pointer = new PointerDragging(containerEl); 
            pointer.emitter.on('pointerdown', _this.onPointerDown); 
            pointer.emitter.on('pointermove', _this.onPointerMove); 
            pointer.emitter.on('pointerup', _this.onPointerUp); 
            if (selector) { 
                pointer.selector = selector; 
            } 
            _this.mirror = new ElementMirror(); 
            _this.autoScroller = new AutoScroller(); 
            return _this; 
        } 
        FeaturefulElementDragging.prototype.destroy = function () { 
            this.pointer.destroy(); 
            // HACK: simulate a pointer-up to end the current drag 
            // TODO: fire 'dragend' directly and stop interaction. discourage use of pointerup event (b/c might not fire) 
            this.onPointerUp({}); 
        }; 
        FeaturefulElementDragging.prototype.startDelay = function (ev) { 
            var _this = this; 
            if (typeof this.delay === 'number') { 
                this.delayTimeoutId = setTimeout(function () { 
                    _this.delayTimeoutId = null; 
                    _this.handleDelayEnd(ev); 
                }, this.delay); // not assignable to number! 
            } 
            else { 
                this.handleDelayEnd(ev); 
            } 
        }; 
        FeaturefulElementDragging.prototype.handleDelayEnd = function (ev) { 
            this.isDelayEnded = true; 
            this.tryStartDrag(ev); 
        }; 
        FeaturefulElementDragging.prototype.handleDistanceSurpassed = function (ev) { 
            this.isDistanceSurpassed = true; 
            this.tryStartDrag(ev); 
        }; 
        FeaturefulElementDragging.prototype.tryStartDrag = function (ev) { 
            if (this.isDelayEnded && this.isDistanceSurpassed) { 
                if (!this.pointer.wasTouchScroll || this.touchScrollAllowed) { 
                    this.isDragging = true; 
                    this.mirrorNeedsRevert = false; 
                    this.autoScroller.start(ev.pageX, ev.pageY); 
                    this.emitter.trigger('dragstart', ev); 
                    if (this.touchScrollAllowed === false) { 
                        this.pointer.cancelTouchScroll(); 
                    } 
                } 
            } 
        }; 
        FeaturefulElementDragging.prototype.tryStopDrag = function (ev) { 
            // .stop() is ALWAYS asynchronous, which we NEED because we want all pointerup events 
            // that come from the document to fire beforehand. much more convenient this way. 
            this.mirror.stop(this.mirrorNeedsRevert, this.stopDrag.bind(this, ev) // bound with args 
            ); 
        }; 
        FeaturefulElementDragging.prototype.stopDrag = function (ev) { 
            this.isDragging = false; 
            this.emitter.trigger('dragend', ev); 
        }; 
        // fill in the implementations... 
        FeaturefulElementDragging.prototype.setIgnoreMove = function (bool) { 
            this.pointer.shouldIgnoreMove = bool; 
        }; 
        FeaturefulElementDragging.prototype.setMirrorIsVisible = function (bool) { 
            this.mirror.setIsVisible(bool); 
        }; 
        FeaturefulElementDragging.prototype.setMirrorNeedsRevert = function (bool) { 
            this.mirrorNeedsRevert = bool; 
        }; 
        FeaturefulElementDragging.prototype.setAutoScrollEnabled = function (bool) { 
            this.autoScroller.isEnabled = bool; 
        }; 
        return FeaturefulElementDragging; 
    }(ElementDragging)); 
 
    /* 
    When this class is instantiated, it records the offset of an element (relative to the document topleft), 
    and continues to monitor scrolling, updating the cached coordinates if it needs to. 
    Does not access the DOM after instantiation, so highly performant. 
 
    Also keeps track of all scrolling/overflow:hidden containers that are parents of the given element 
    and an determine if a given point is inside the combined clipping rectangle. 
    */ 
    var OffsetTracker = /** @class */ (function () { 
        function OffsetTracker(el) { 
            this.origRect = computeRect(el); 
            // will work fine for divs that have overflow:hidden 
            this.scrollCaches = getClippingParents(el).map(function (el) { 
                return new ElementScrollGeomCache(el, true); // listen=true 
            }); 
        } 
        OffsetTracker.prototype.destroy = function () { 
            for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) { 
                var scrollCache = _a[_i]; 
                scrollCache.destroy(); 
            } 
        }; 
        OffsetTracker.prototype.computeLeft = function () { 
            var left = this.origRect.left; 
            for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) { 
                var scrollCache = _a[_i]; 
                left += scrollCache.origScrollLeft - scrollCache.getScrollLeft(); 
            } 
            return left; 
        }; 
        OffsetTracker.prototype.computeTop = function () { 
            var top = this.origRect.top; 
            for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) { 
                var scrollCache = _a[_i]; 
                top += scrollCache.origScrollTop - scrollCache.getScrollTop(); 
            } 
            return top; 
        }; 
        OffsetTracker.prototype.isWithinClipping = function (pageX, pageY) { 
            var point = { left: pageX, top: pageY }; 
            for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) { 
                var scrollCache = _a[_i]; 
                if (!isIgnoredClipping(scrollCache.getEventTarget()) && 
                    !pointInsideRect(point, scrollCache.clientRect)) { 
                    return false; 
                } 
            } 
            return true; 
        }; 
        return OffsetTracker; 
    }()); 
    // certain clipping containers should never constrain interactions, like <html> and <body> 
    // https://github.com/fullcalendar/fullcalendar/issues/3615 
    function isIgnoredClipping(node) { 
        var tagName = node.tagName; 
        return tagName === 'HTML' || tagName === 'BODY'; 
    } 
 
    /* 
    Tracks movement over multiple droppable areas (aka "hits") 
    that exist in one or more DateComponents. 
    Relies on an existing draggable. 
 
    emits: 
    - pointerdown 
    - dragstart 
    - hitchange - fires initially, even if not over a hit 
    - pointerup 
    - (hitchange - again, to null, if ended over a hit) 
    - dragend 
    */ 
    var HitDragging = /** @class */ (function () { 
        function HitDragging(dragging, droppableStore) { 
            var _this = this; 
            // options that can be set by caller 
            this.useSubjectCenter = false; 
            this.requireInitial = true; // if doesn't start out on a hit, won't emit any events 
            this.initialHit = null; 
            this.movingHit = null; 
            this.finalHit = null; // won't ever be populated if shouldIgnoreMove 
            this.handlePointerDown = function (ev) { 
                var dragging = _this.dragging; 
                _this.initialHit = null; 
                _this.movingHit = null; 
                _this.finalHit = null; 
                _this.prepareHits(); 
                _this.processFirstCoord(ev); 
                if (_this.initialHit || !_this.requireInitial) { 
                    dragging.setIgnoreMove(false); 
                    _this.emitter.trigger('pointerdown', ev); // TODO: fire this before computing processFirstCoord, so listeners can cancel. this gets fired by almost every handler :( 
                } 
                else { 
                    dragging.setIgnoreMove(true); 
                } 
            }; 
            this.handleDragStart = function (ev) { 
                _this.emitter.trigger('dragstart', ev); 
                _this.handleMove(ev, true); // force = fire even if initially null 
            }; 
            this.handleDragMove = function (ev) { 
                _this.emitter.trigger('dragmove', ev); 
                _this.handleMove(ev); 
            }; 
            this.handlePointerUp = function (ev) { 
                _this.releaseHits(); 
                _this.emitter.trigger('pointerup', ev); 
            }; 
            this.handleDragEnd = function (ev) { 
                if (_this.movingHit) { 
                    _this.emitter.trigger('hitupdate', null, true, ev); 
                } 
                _this.finalHit = _this.movingHit; 
                _this.movingHit = null; 
                _this.emitter.trigger('dragend', ev); 
            }; 
            this.droppableStore = droppableStore; 
            dragging.emitter.on('pointerdown', this.handlePointerDown); 
            dragging.emitter.on('dragstart', this.handleDragStart); 
            dragging.emitter.on('dragmove', this.handleDragMove); 
            dragging.emitter.on('pointerup', this.handlePointerUp); 
            dragging.emitter.on('dragend', this.handleDragEnd); 
            this.dragging = dragging; 
            this.emitter = new Emitter(); 
        } 
        // sets initialHit 
        // sets coordAdjust 
        HitDragging.prototype.processFirstCoord = function (ev) { 
            var origPoint = { left: ev.pageX, top: ev.pageY }; 
            var adjustedPoint = origPoint; 
            var subjectEl = ev.subjectEl; 
            var subjectRect; 
            if (subjectEl !== document) { 
                subjectRect = computeRect(subjectEl); 
                adjustedPoint = constrainPoint(adjustedPoint, subjectRect); 
            } 
            var initialHit = this.initialHit = this.queryHitForOffset(adjustedPoint.left, adjustedPoint.top); 
            if (initialHit) { 
                if (this.useSubjectCenter && subjectRect) { 
                    var slicedSubjectRect = intersectRects(subjectRect, initialHit.rect); 
                    if (slicedSubjectRect) { 
                        adjustedPoint = getRectCenter(slicedSubjectRect); 
                    } 
                } 
                this.coordAdjust = diffPoints(adjustedPoint, origPoint); 
            } 
            else { 
                this.coordAdjust = { left: 0, top: 0 }; 
            } 
        }; 
        HitDragging.prototype.handleMove = function (ev, forceHandle) { 
            var hit = this.queryHitForOffset(ev.pageX + this.coordAdjust.left, ev.pageY + this.coordAdjust.top); 
            if (forceHandle || !isHitsEqual(this.movingHit, hit)) { 
                this.movingHit = hit; 
                this.emitter.trigger('hitupdate', hit, false, ev); 
            } 
        }; 
        HitDragging.prototype.prepareHits = function () { 
            this.offsetTrackers = mapHash(this.droppableStore, function (interactionSettings) { 
                interactionSettings.component.prepareHits(); 
                return new OffsetTracker(interactionSettings.el); 
            }); 
        }; 
        HitDragging.prototype.releaseHits = function () { 
            var offsetTrackers = this.offsetTrackers; 
            for (var id in offsetTrackers) { 
                offsetTrackers[id].destroy(); 
            } 
            this.offsetTrackers = {}; 
        }; 
        HitDragging.prototype.queryHitForOffset = function (offsetLeft, offsetTop) { 
            var _a = this, droppableStore = _a.droppableStore, offsetTrackers = _a.offsetTrackers; 
            var bestHit = null; 
            for (var id in droppableStore) { 
                var component = droppableStore[id].component; 
                var offsetTracker = offsetTrackers[id]; 
                if (offsetTracker && // wasn't destroyed mid-drag 
                    offsetTracker.isWithinClipping(offsetLeft, offsetTop)) { 
                    var originLeft = offsetTracker.computeLeft(); 
                    var originTop = offsetTracker.computeTop(); 
                    var positionLeft = offsetLeft - originLeft; 
                    var positionTop = offsetTop - originTop; 
                    var origRect = offsetTracker.origRect; 
                    var width = origRect.right - origRect.left; 
                    var height = origRect.bottom - origRect.top; 
                    if ( 
                    // must be within the element's bounds 
                    positionLeft >= 0 && positionLeft < width && 
                        positionTop >= 0 && positionTop < height) { 
                        var hit = component.queryHit(positionLeft, positionTop, width, height); 
                        var dateProfile = component.context.getCurrentData().dateProfile; 
                        if (hit && 
                            ( 
                            // make sure the hit is within activeRange, meaning it's not a deal cell 
                            rangeContainsRange(dateProfile.activeRange, hit.dateSpan.range)) && 
                            (!bestHit || hit.layer > bestHit.layer)) { 
                            // TODO: better way to re-orient rectangle 
                            hit.rect.left += originLeft; 
                            hit.rect.right += originLeft; 
                            hit.rect.top += originTop; 
                            hit.rect.bottom += originTop; 
                            bestHit = hit; 
                        } 
                    } 
                } 
            } 
            return bestHit; 
        }; 
        return HitDragging; 
    }()); 
    function isHitsEqual(hit0, hit1) { 
        if (!hit0 && !hit1) { 
            return true; 
        } 
        if (Boolean(hit0) !== Boolean(hit1)) { 
            return false; 
        } 
        return isDateSpansEqual(hit0.dateSpan, hit1.dateSpan); 
    } 
 
    function buildDatePointApiWithContext(dateSpan, context) { 
        var props = {}; 
        for (var _i = 0, _a = context.pluginHooks.datePointTransforms; _i < _a.length; _i++) { 
            var transform = _a[_i]; 
            __assign(props, transform(dateSpan, context)); 
        } 
        __assign(props, buildDatePointApi(dateSpan, context.dateEnv)); 
        return props; 
    } 
    function buildDatePointApi(span, dateEnv) { 
        return { 
            date: dateEnv.toDate(span.range.start), 
            dateStr: dateEnv.formatIso(span.range.start, { omitTime: span.allDay }), 
            allDay: span.allDay 
        }; 
    } 
 
    /* 
    Monitors when the user clicks on a specific date/time of a component. 
    A pointerdown+pointerup on the same "hit" constitutes a click. 
    */ 
    var DateClicking = /** @class */ (function (_super) { 
        __extends(DateClicking, _super); 
        function DateClicking(settings) { 
            var _this = _super.call(this, settings) || this; 
            _this.handlePointerDown = function (ev) { 
                var dragging = _this.dragging; 
                // do this in pointerdown (not dragend) because DOM might be mutated by the time dragend is fired 
                dragging.setIgnoreMove(!_this.component.isValidDateDownEl(dragging.pointer.downEl)); 
            }; 
            // won't even fire if moving was ignored 
            _this.handleDragEnd = function (ev) { 
                var component = _this.component; 
                var pointer = _this.dragging.pointer; 
                if (!pointer.wasTouchScroll) { 
                    var _a = _this.hitDragging, initialHit = _a.initialHit, finalHit = _a.finalHit; 
                    if (initialHit && finalHit && isHitsEqual(initialHit, finalHit)) { 
                        var context = component.context; 
                        var arg = __assign(__assign({}, buildDatePointApiWithContext(initialHit.dateSpan, context)), { dayEl: initialHit.dayEl, jsEvent: ev.origEvent, view: context.viewApi || context.calendarApi.view }); 
                        context.emitter.trigger('dateClick', arg); 
                    } 
                } 
            }; 
            // we DO want to watch pointer moves because otherwise finalHit won't get populated 
            _this.dragging = new FeaturefulElementDragging(settings.el); 
            _this.dragging.autoScroller.isEnabled = false; 
            var hitDragging = _this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)); 
            hitDragging.emitter.on('pointerdown', _this.handlePointerDown); 
            hitDragging.emitter.on('dragend', _this.handleDragEnd); 
            return _this; 
        } 
        DateClicking.prototype.destroy = function () { 
            this.dragging.destroy(); 
        }; 
        return DateClicking; 
    }(Interaction)); 
 
    /* 
    Tracks when the user selects a portion of time of a component, 
    constituted by a drag over date cells, with a possible delay at the beginning of the drag. 
    */ 
    var DateSelecting = /** @class */ (function (_super) { 
        __extends(DateSelecting, _super); 
        function DateSelecting(settings) { 
            var _this = _super.call(this, settings) || this; 
            _this.dragSelection = null; 
            _this.handlePointerDown = function (ev) { 
                var _a = _this, component = _a.component, dragging = _a.dragging; 
                var options = component.context.options; 
                var canSelect = options.selectable && 
                    component.isValidDateDownEl(ev.origEvent.target); 
                // don't bother to watch expensive moves if component won't do selection 
                dragging.setIgnoreMove(!canSelect); 
                // if touch, require user to hold down 
                dragging.delay = ev.isTouch ? getComponentTouchDelay(component) : null; 
            }; 
            _this.handleDragStart = function (ev) { 
                _this.component.context.calendarApi.unselect(ev); // unselect previous selections 
            }; 
            _this.handleHitUpdate = function (hit, isFinal) { 
                var context = _this.component.context; 
                var dragSelection = null; 
                var isInvalid = false; 
                if (hit) { 
                    dragSelection = joinHitsIntoSelection(_this.hitDragging.initialHit, hit, context.pluginHooks.dateSelectionTransformers); 
                    if (!dragSelection || !_this.component.isDateSelectionValid(dragSelection)) { 
                        isInvalid = true; 
                        dragSelection = null; 
                    } 
                } 
                if (dragSelection) { 
                    context.dispatch({ type: 'SELECT_DATES', selection: dragSelection }); 
                } 
                else if (!isFinal) { // only unselect if moved away while dragging 
                    context.dispatch({ type: 'UNSELECT_DATES' }); 
                } 
                if (!isInvalid) { 
                    enableCursor(); 
                } 
                else { 
                    disableCursor(); 
                } 
                if (!isFinal) { 
                    _this.dragSelection = dragSelection; // only clear if moved away from all hits while dragging 
                } 
            }; 
            _this.handlePointerUp = function (pev) { 
                if (_this.dragSelection) { 
                    // selection is already rendered, so just need to report selection 
                    triggerDateSelect(_this.dragSelection, pev, _this.component.context); 
                    _this.dragSelection = null; 
                } 
            }; 
            var component = settings.component; 
            var options = component.context.options; 
            var dragging = _this.dragging = new FeaturefulElementDragging(settings.el); 
            dragging.touchScrollAllowed = false; 
            dragging.minDistance = options.selectMinDistance || 0; 
            dragging.autoScroller.isEnabled = options.dragScroll; 
            var hitDragging = _this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)); 
            hitDragging.emitter.on('pointerdown', _this.handlePointerDown); 
            hitDragging.emitter.on('dragstart', _this.handleDragStart); 
            hitDragging.emitter.on('hitupdate', _this.handleHitUpdate); 
            hitDragging.emitter.on('pointerup', _this.handlePointerUp); 
            return _this; 
        } 
        DateSelecting.prototype.destroy = function () { 
            this.dragging.destroy(); 
        }; 
        return DateSelecting; 
    }(Interaction)); 
    function getComponentTouchDelay(component) { 
        var options = component.context.options; 
        var delay = options.selectLongPressDelay; 
        if (delay == null) { 
            delay = options.longPressDelay; 
        } 
        return delay; 
    } 
    function joinHitsIntoSelection(hit0, hit1, dateSelectionTransformers) { 
        var dateSpan0 = hit0.dateSpan; 
        var dateSpan1 = hit1.dateSpan; 
        var ms = [ 
            dateSpan0.range.start, 
            dateSpan0.range.end, 
            dateSpan1.range.start, 
            dateSpan1.range.end 
        ]; 
        ms.sort(compareNumbers); 
        var props = {}; 
        for (var _i = 0, dateSelectionTransformers_1 = dateSelectionTransformers; _i < dateSelectionTransformers_1.length; _i++) { 
            var transformer = dateSelectionTransformers_1[_i]; 
            var res = transformer(hit0, hit1); 
            if (res === false) { 
                return null; 
            } 
            else if (res) { 
                __assign(props, res); 
            } 
        } 
        props.range = { start: ms[0], end: ms[3] }; 
        props.allDay = dateSpan0.allDay; 
        return props; 
    } 
 
    var EventDragging = /** @class */ (function (_super) { 
        __extends(EventDragging, _super); 
        function EventDragging(settings) { 
            var _this = _super.call(this, settings) || this; 
            // internal state 
            _this.subjectEl = null; 
            _this.subjectSeg = null; // the seg being selected/dragged 
            _this.isDragging = false; 
            _this.eventRange = null; 
            _this.relevantEvents = null; // the events being dragged 
            _this.receivingContext = null; 
            _this.validMutation = null; 
            _this.mutatedRelevantEvents = null; 
            _this.handlePointerDown = function (ev) { 
                var origTarget = ev.origEvent.target; 
                var _a = _this, component = _a.component, dragging = _a.dragging; 
                var mirror = dragging.mirror; 
                var options = component.context.options; 
                var initialContext = component.context; 
                _this.subjectEl = ev.subjectEl; 
                var subjectSeg = _this.subjectSeg = getElSeg(ev.subjectEl); 
                var eventRange = _this.eventRange = subjectSeg.eventRange; 
                var eventInstanceId = eventRange.instance.instanceId; 
                _this.relevantEvents = getRelevantEvents(initialContext.getCurrentData().eventStore, eventInstanceId); 
                dragging.minDistance = ev.isTouch ? 0 : options.eventDragMinDistance; 
                dragging.delay = 
                    // only do a touch delay if touch and this event hasn't been selected yet 
                    (ev.isTouch && eventInstanceId !== component.props.eventSelection) ? 
                        getComponentTouchDelay$1(component) : 
                        null; 
                mirror.parentNode = elementClosest(origTarget, '.fc'); 
                mirror.revertDuration = options.dragRevertDuration; 
                var isValid = component.isValidSegDownEl(origTarget) && 
                    !elementClosest(origTarget, '.fc-event-resizer'); // NOT on a resizer 
                dragging.setIgnoreMove(!isValid); 
                // disable dragging for elements that are resizable (ie, selectable) 
                // but are not draggable 
                _this.isDragging = isValid && 
                    ev.subjectEl.classList.contains('fc-event-draggable'); 
            }; 
            _this.handleDragStart = function (ev) { 
                var initialContext = _this.component.context; 
                var eventRange = _this.eventRange; 
                var eventInstanceId = eventRange.instance.instanceId; 
                if (ev.isTouch) { 
                    // need to select a different event? 
                    if (eventInstanceId !== _this.component.props.eventSelection) { 
                        initialContext.dispatch({ type: 'SELECT_EVENT', eventInstanceId: eventInstanceId }); 
                    } 
                } 
                else { 
                    // if now using mouse, but was previous touch interaction, clear selected event 
                    initialContext.dispatch({ type: 'UNSELECT_EVENT' }); 
                } 
                if (_this.isDragging) { 
                    initialContext.calendarApi.unselect(ev); // unselect *date* selection 
                    initialContext.emitter.trigger('eventDragStart', { 
                        el: _this.subjectEl, 
                        event: new EventApi(initialContext, eventRange.def, eventRange.instance), 
                        jsEvent: ev.origEvent, 
                        view: initialContext.viewApi 
                    }); 
                } 
            }; 
            _this.handleHitUpdate = function (hit, isFinal) { 
                if (!_this.isDragging) { 
                    return; 
                } 
                var relevantEvents = _this.relevantEvents; 
                var initialHit = _this.hitDragging.initialHit; 
                var initialContext = _this.component.context; 
                // states based on new hit 
                var receivingContext = null; 
                var mutation = null; 
                var mutatedRelevantEvents = null; 
                var isInvalid = false; 
                var interaction = { 
                    affectedEvents: relevantEvents, 
                    mutatedEvents: createEmptyEventStore(), 
                    isEvent: true 
                }; 
                if (hit) { 
                    var receivingComponent = hit.component; 
                    receivingContext = receivingComponent.context; 
                    var receivingOptions = receivingContext.options; 
                    if (initialContext === receivingContext || 
                        receivingOptions.editable && receivingOptions.droppable) { 
                        mutation = computeEventMutation(initialHit, hit, receivingContext.getCurrentData().pluginHooks.eventDragMutationMassagers); 
                        if (mutation) { 
                            mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, receivingContext.getCurrentData().eventUiBases, mutation, receivingContext); 
                            interaction.mutatedEvents = mutatedRelevantEvents; 
                            if (!receivingComponent.isInteractionValid(interaction)) { 
                                isInvalid = true; 
                                mutation = null; 
                                mutatedRelevantEvents = null; 
                                interaction.mutatedEvents = createEmptyEventStore(); 
                            } 
                        } 
                    } 
                    else { 
                        receivingContext = null; 
                    } 
                } 
                _this.displayDrag(receivingContext, interaction); 
                if (!isInvalid) { 
                    enableCursor(); 
                } 
                else { 
                    disableCursor(); 
                } 
                if (!isFinal) { 
                    if (initialContext === receivingContext && // TODO: write test for this 
                        isHitsEqual(initialHit, hit)) { 
                        mutation = null; 
                    } 
                    _this.dragging.setMirrorNeedsRevert(!mutation); 
                    // render the mirror if no already-rendered mirror 
                    // TODO: wish we could somehow wait for dispatch to guarantee render 
                    _this.dragging.setMirrorIsVisible(!hit || !document.querySelector('.fc-event-mirror')); 
                    // assign states based on new hit 
                    _this.receivingContext = receivingContext; 
                    _this.validMutation = mutation; 
                    _this.mutatedRelevantEvents = mutatedRelevantEvents; 
                } 
            }; 
            _this.handlePointerUp = function () { 
                if (!_this.isDragging) { 
                    _this.cleanup(); // because handleDragEnd won't fire 
                } 
            }; 
            _this.handleDragEnd = function (ev) { 
                if (_this.isDragging) { 
                    var initialContext_1 = _this.component.context; 
                    var initialView = initialContext_1.viewApi; 
                    var _a = _this, receivingContext_1 = _a.receivingContext, validMutation = _a.validMutation; 
                    var eventDef = _this.eventRange.def; 
                    var eventInstance = _this.eventRange.instance; 
                    var eventApi = new EventApi(initialContext_1, eventDef, eventInstance); 
                    var relevantEvents_1 = _this.relevantEvents; 
                    var mutatedRelevantEvents_1 = _this.mutatedRelevantEvents; 
                    var finalHit = _this.hitDragging.finalHit; 
                    _this.clearDrag(); // must happen after revert animation 
                    initialContext_1.emitter.trigger('eventDragStop', { 
                        el: _this.subjectEl, 
                        event: eventApi, 
                        jsEvent: ev.origEvent, 
                        view: initialView 
                    }); 
                    if (validMutation) { 
                        // dropped within same calendar 
                        if (receivingContext_1 === initialContext_1) { 
                            var updatedEventApi = new EventApi(initialContext_1, mutatedRelevantEvents_1.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents_1.instances[eventInstance.instanceId] : null); 
                            initialContext_1.dispatch({ 
                                type: 'MERGE_EVENTS', 
                                eventStore: mutatedRelevantEvents_1 
                            }); 
                            var eventChangeArg = { 
                                oldEvent: eventApi, 
                                event: updatedEventApi, 
                                relatedEvents: buildEventApis(mutatedRelevantEvents_1, initialContext_1, eventInstance), 
                                revert: function () { 
                                    initialContext_1.dispatch({ 
                                        type: 'MERGE_EVENTS', 
                                        eventStore: relevantEvents_1 // the pre-change data 
                                    }); 
                                } 
                            }; 
                            var transformed = {}; 
                            for (var _i = 0, _b = initialContext_1.getCurrentData().pluginHooks.eventDropTransformers; _i < _b.length; _i++) { 
                                var transformer = _b[_i]; 
                                __assign(transformed, transformer(validMutation, initialContext_1)); 
                            } 
                            initialContext_1.emitter.trigger('eventDrop', __assign(__assign(__assign({}, eventChangeArg), transformed), { el: ev.subjectEl, delta: validMutation.datesDelta, jsEvent: ev.origEvent, view: initialView })); 
                            initialContext_1.emitter.trigger('eventChange', eventChangeArg); 
                            // dropped in different calendar 
                        } 
                        else if (receivingContext_1) { 
                            initialContext_1.emitter.trigger('eventLeave', { 
                                draggedEl: ev.subjectEl, 
                                event: eventApi, 
                                view: initialView 
                            }); 
                            initialContext_1.dispatch({ 
                                type: 'REMOVE_EVENTS', 
                                eventStore: relevantEvents_1 
                            }); 
                            initialContext_1.emitter.trigger('eventRemove', { 
                                event: eventApi, 
                                relatedEvents: buildEventApis(relevantEvents_1, initialContext_1, eventInstance), 
                                revert: function () { 
                                    initialContext_1.dispatch({ 
                                        type: 'MERGE_EVENTS', 
                                        eventStore: relevantEvents_1 
                                    }); 
                                } 
                            }); 
                            var addedEventDef = mutatedRelevantEvents_1.defs[eventDef.defId]; 
                            var addedEventInstance = mutatedRelevantEvents_1.instances[eventInstance.instanceId]; 
                            var addedEventApi = new EventApi(receivingContext_1, addedEventDef, addedEventInstance); 
                            receivingContext_1.dispatch({ 
                                type: 'MERGE_EVENTS', 
                                eventStore: mutatedRelevantEvents_1 
                            }); 
                            receivingContext_1.emitter.trigger('eventAdd', { 
                                event: addedEventApi, 
                                relatedEvents: buildEventApis(mutatedRelevantEvents_1, receivingContext_1, addedEventInstance), 
                                revert: function () { 
                                    receivingContext_1.dispatch({ 
                                        type: 'REMOVE_EVENTS', 
                                        eventStore: mutatedRelevantEvents_1 
                                    }); 
                                } 
                            }); 
                            if (ev.isTouch) { 
                                receivingContext_1.dispatch({ 
                                    type: 'SELECT_EVENT', 
                                    eventInstanceId: eventInstance.instanceId 
                                }); 
                            } 
                            receivingContext_1.emitter.trigger('drop', __assign(__assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext_1)), { draggedEl: ev.subjectEl, jsEvent: ev.origEvent, view: finalHit.component.context.viewApi })); 
                            receivingContext_1.emitter.trigger('eventReceive', { 
                                draggedEl: ev.subjectEl, 
                                event: addedEventApi, 
                                view: finalHit.component.context.viewApi 
                            }); 
                        } 
                    } 
                    else { 
                        initialContext_1.emitter.trigger('_noEventDrop'); 
                    } 
                } 
                _this.cleanup(); 
            }; 
            var component = _this.component; 
            var options = component.context.options; 
            var dragging = _this.dragging = new FeaturefulElementDragging(settings.el); 
            dragging.pointer.selector = EventDragging.SELECTOR; 
            dragging.touchScrollAllowed = false; 
            dragging.autoScroller.isEnabled = options.dragScroll; 
            var hitDragging = _this.hitDragging = new HitDragging(_this.dragging, interactionSettingsStore); 
            hitDragging.useSubjectCenter = settings.useEventCenter; 
            hitDragging.emitter.on('pointerdown', _this.handlePointerDown); 
            hitDragging.emitter.on('dragstart', _this.handleDragStart); 
            hitDragging.emitter.on('hitupdate', _this.handleHitUpdate); 
            hitDragging.emitter.on('pointerup', _this.handlePointerUp); 
            hitDragging.emitter.on('dragend', _this.handleDragEnd); 
            return _this; 
        } 
        EventDragging.prototype.destroy = function () { 
            this.dragging.destroy(); 
        }; 
        // render a drag state on the next receivingCalendar 
        EventDragging.prototype.displayDrag = function (nextContext, state) { 
            var initialContext = this.component.context; 
            var prevContext = this.receivingContext; 
            // does the previous calendar need to be cleared? 
            if (prevContext && prevContext !== nextContext) { 
                // does the initial calendar need to be cleared? 
                // if so, don't clear all the way. we still need to to hide the affectedEvents 
                if (prevContext === initialContext) { 
                    prevContext.dispatch({ 
                        type: 'SET_EVENT_DRAG', 
                        state: { 
                            affectedEvents: state.affectedEvents, 
                            mutatedEvents: createEmptyEventStore(), 
                            isEvent: true 
                        } 
                    }); 
                    // completely clear the old calendar if it wasn't the initial 
                } 
                else { 
                    prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' }); 
                } 
            } 
            if (nextContext) { 
                nextContext.dispatch({ type: 'SET_EVENT_DRAG', state: state }); 
            } 
        }; 
        EventDragging.prototype.clearDrag = function () { 
            var initialCalendar = this.component.context; 
            var receivingContext = this.receivingContext; 
            if (receivingContext) { 
                receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' }); 
            } 
            // the initial calendar might have an dummy drag state from displayDrag 
            if (initialCalendar !== receivingContext) { 
                initialCalendar.dispatch({ type: 'UNSET_EVENT_DRAG' }); 
            } 
        }; 
        EventDragging.prototype.cleanup = function () { 
            this.subjectSeg = null; 
            this.isDragging = false; 
            this.eventRange = null; 
            this.relevantEvents = null; 
            this.receivingContext = null; 
            this.validMutation = null; 
            this.mutatedRelevantEvents = null; 
        }; 
        // TODO: test this in IE11 
        // QUESTION: why do we need it on the resizable??? 
        EventDragging.SELECTOR = '.fc-event-draggable, .fc-event-resizable'; 
        return EventDragging; 
    }(Interaction)); 
    function computeEventMutation(hit0, hit1, massagers) { 
        var dateSpan0 = hit0.dateSpan; 
        var dateSpan1 = hit1.dateSpan; 
        var date0 = dateSpan0.range.start; 
        var date1 = dateSpan1.range.start; 
        var standardProps = {}; 
        if (dateSpan0.allDay !== dateSpan1.allDay) { 
            standardProps.allDay = dateSpan1.allDay; 
            standardProps.hasEnd = hit1.component.context.options.allDayMaintainDuration; 
            if (dateSpan1.allDay) { 
                // means date1 is already start-of-day, 
                // but date0 needs to be converted 
                date0 = startOfDay(date0); 
            } 
        } 
        var delta = diffDates(date0, date1, hit0.component.context.dateEnv, hit0.component === hit1.component ? 
            hit0.component.largeUnit : 
            null); 
        if (delta.milliseconds) { // has hours/minutes/seconds 
            standardProps.allDay = false; 
        } 
        var mutation = { 
            datesDelta: delta, 
            standardProps: standardProps 
        }; 
        for (var _i = 0, massagers_1 = massagers; _i < massagers_1.length; _i++) { 
            var massager = massagers_1[_i]; 
            massager(mutation, hit0, hit1); 
        } 
        return mutation; 
    } 
    function getComponentTouchDelay$1(component) { 
        var options = component.context.options; 
        var delay = options.eventLongPressDelay; 
        if (delay == null) { 
            delay = options.longPressDelay; 
        } 
        return delay; 
    } 
 
    var EventResizing = /** @class */ (function (_super) { 
        __extends(EventResizing, _super); 
        function EventResizing(settings) { 
            var _this = _super.call(this, settings) || this; 
            // internal state 
            _this.draggingSegEl = null; 
            _this.draggingSeg = null; // TODO: rename to resizingSeg? subjectSeg? 
            _this.eventRange = null; 
            _this.relevantEvents = null; 
            _this.validMutation = null; 
            _this.mutatedRelevantEvents = null; 
            _this.handlePointerDown = function (ev) { 
                var component = _this.component; 
                var segEl = _this.querySegEl(ev); 
                var seg = getElSeg(segEl); 
                var eventRange = _this.eventRange = seg.eventRange; 
                _this.dragging.minDistance = component.context.options.eventDragMinDistance; 
                // if touch, need to be working with a selected event 
                _this.dragging.setIgnoreMove(!_this.component.isValidSegDownEl(ev.origEvent.target) || 
                    (ev.isTouch && _this.component.props.eventSelection !== eventRange.instance.instanceId)); 
            }; 
            _this.handleDragStart = function (ev) { 
                var context = _this.component.context; 
                var eventRange = _this.eventRange; 
                _this.relevantEvents = getRelevantEvents(context.getCurrentData().eventStore, _this.eventRange.instance.instanceId); 
                var segEl = _this.querySegEl(ev); 
                _this.draggingSegEl = segEl; 
                _this.draggingSeg = getElSeg(segEl); 
                context.calendarApi.unselect(); 
                context.emitter.trigger('eventResizeStart', { 
                    el: segEl, 
                    event: new EventApi(context, eventRange.def, eventRange.instance), 
                    jsEvent: ev.origEvent, 
                    view: context.viewApi 
                }); 
            }; 
            _this.handleHitUpdate = function (hit, isFinal, ev) { 
                var context = _this.component.context; 
                var relevantEvents = _this.relevantEvents; 
                var initialHit = _this.hitDragging.initialHit; 
                var eventInstance = _this.eventRange.instance; 
                var mutation = null; 
                var mutatedRelevantEvents = null; 
                var isInvalid = false; 
                var interaction = { 
                    affectedEvents: relevantEvents, 
                    mutatedEvents: createEmptyEventStore(), 
                    isEvent: true 
                }; 
                if (hit) { 
                    mutation = computeMutation(initialHit, hit, ev.subjectEl.classList.contains('fc-event-resizer-start'), eventInstance.range, context.pluginHooks.eventResizeJoinTransforms); 
                } 
                if (mutation) { 
                    mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, context.getCurrentData().eventUiBases, mutation, context); 
                    interaction.mutatedEvents = mutatedRelevantEvents; 
                    if (!_this.component.isInteractionValid(interaction)) { 
                        isInvalid = true; 
                        mutation = null; 
                        mutatedRelevantEvents = null; 
                        interaction.mutatedEvents = null; 
                    } 
                } 
                if (mutatedRelevantEvents) { 
                    context.dispatch({ 
                        type: 'SET_EVENT_RESIZE', 
                        state: interaction 
                    }); 
                } 
                else { 
                    context.dispatch({ type: 'UNSET_EVENT_RESIZE' }); 
                } 
                if (!isInvalid) { 
                    enableCursor(); 
                } 
                else { 
                    disableCursor(); 
                } 
                if (!isFinal) { 
                    if (mutation && isHitsEqual(initialHit, hit)) { 
                        mutation = null; 
                    } 
                    _this.validMutation = mutation; 
                    _this.mutatedRelevantEvents = mutatedRelevantEvents; 
                } 
            }; 
            _this.handleDragEnd = function (ev) { 
                var context = _this.component.context; 
                var eventDef = _this.eventRange.def; 
                var eventInstance = _this.eventRange.instance; 
                var eventApi = new EventApi(context, eventDef, eventInstance); 
                var relevantEvents = _this.relevantEvents; 
                var mutatedRelevantEvents = _this.mutatedRelevantEvents; 
                context.emitter.trigger('eventResizeStop', { 
                    el: _this.draggingSegEl, 
                    event: eventApi, 
                    jsEvent: ev.origEvent, 
                    view: context.viewApi 
                }); 
                if (_this.validMutation) { 
                    var updatedEventApi = new EventApi(context, mutatedRelevantEvents.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents.instances[eventInstance.instanceId] : null); 
                    context.dispatch({ 
                        type: 'MERGE_EVENTS', 
                        eventStore: mutatedRelevantEvents 
                    }); 
                    var eventChangeArg = { 
                        oldEvent: eventApi, 
                        event: updatedEventApi, 
                        relatedEvents: buildEventApis(mutatedRelevantEvents, context, eventInstance), 
                        revert: function () { 
                            context.dispatch({ 
                                type: 'MERGE_EVENTS', 
                                eventStore: relevantEvents // the pre-change events 
                            }); 
                        } 
                    }; 
                    context.emitter.trigger('eventResize', __assign(__assign({}, eventChangeArg), { el: _this.draggingSegEl, startDelta: _this.validMutation.startDelta || createDuration(0), endDelta: _this.validMutation.endDelta || createDuration(0), jsEvent: ev.origEvent, view: context.viewApi })); 
                    context.emitter.trigger('eventChange', eventChangeArg); 
                } 
                else { 
                    context.emitter.trigger('_noEventResize'); 
                } 
                // reset all internal state 
                _this.draggingSeg = null; 
                _this.relevantEvents = null; 
                _this.validMutation = null; 
                // okay to keep eventInstance around. useful to set it in handlePointerDown 
            }; 
            var component = settings.component; 
            var dragging = _this.dragging = new FeaturefulElementDragging(settings.el); 
            dragging.pointer.selector = '.fc-event-resizer'; 
            dragging.touchScrollAllowed = false; 
            dragging.autoScroller.isEnabled = component.context.options.dragScroll; 
            var hitDragging = _this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)); 
            hitDragging.emitter.on('pointerdown', _this.handlePointerDown); 
            hitDragging.emitter.on('dragstart', _this.handleDragStart); 
            hitDragging.emitter.on('hitupdate', _this.handleHitUpdate); 
            hitDragging.emitter.on('dragend', _this.handleDragEnd); 
            return _this; 
        } 
        EventResizing.prototype.destroy = function () { 
            this.dragging.destroy(); 
        }; 
        EventResizing.prototype.querySegEl = function (ev) { 
            return elementClosest(ev.subjectEl, '.fc-event'); 
        }; 
        return EventResizing; 
    }(Interaction)); 
    function computeMutation(hit0, hit1, isFromStart, instanceRange, transforms) { 
        var dateEnv = hit0.component.context.dateEnv; 
        var date0 = hit0.dateSpan.range.start; 
        var date1 = hit1.dateSpan.range.start; 
        var delta = diffDates(date0, date1, dateEnv, hit0.component.largeUnit); 
        var props = {}; 
        for (var _i = 0, transforms_1 = transforms; _i < transforms_1.length; _i++) { 
            var transform = transforms_1[_i]; 
            var res = transform(hit0, hit1); 
            if (res === false) { 
                return null; 
            } 
            else if (res) { 
                __assign(props, res); 
            } 
        } 
        if (isFromStart) { 
            if (dateEnv.add(instanceRange.start, delta) < instanceRange.end) { 
                props.startDelta = delta; 
                return props; 
            } 
        } 
        else { 
            if (dateEnv.add(instanceRange.end, delta) > instanceRange.start) { 
                props.endDelta = delta; 
                return props; 
            } 
        } 
        return null; 
    } 
 
    var UnselectAuto = /** @class */ (function () { 
        function UnselectAuto(context) { 
            var _this = this; 
            this.context = context; 
            this.isRecentPointerDateSelect = false; // wish we could use a selector to detect date selection, but uses hit system 
            this.onSelect = function (selectInfo) { 
                if (selectInfo.jsEvent) { 
                    _this.isRecentPointerDateSelect = true; 
                } 
            }; 
            this.onDocumentPointerUp = function (pev) { 
                var context = _this.context; 
                var documentPointer = _this.documentPointer; 
                var calendarState = context.getCurrentData(); 
                // touch-scrolling should never unfocus any type of selection 
                if (!documentPointer.wasTouchScroll) { 
                    if (calendarState.dateSelection && // an existing date selection? 
                        !_this.isRecentPointerDateSelect // a new pointer-initiated date selection since last onDocumentPointerUp? 
                    ) { 
                        var unselectAuto = context.options.unselectAuto; 
                        var unselectCancel = context.options.unselectCancel; 
                        if (unselectAuto && (!unselectAuto || !elementClosest(documentPointer.downEl, unselectCancel))) { 
                            context.calendarApi.unselect(pev); 
                        } 
                    } 
                    if (calendarState.eventSelection && // an existing event selected? 
                        !elementClosest(documentPointer.downEl, EventDragging.SELECTOR) // interaction DIDN'T start on an event 
                    ) { 
                        context.dispatch({ type: 'UNSELECT_EVENT' }); 
                    } 
                } 
                _this.isRecentPointerDateSelect = false; 
            }; 
            var documentPointer = this.documentPointer = new PointerDragging(document); 
            documentPointer.shouldIgnoreMove = true; 
            documentPointer.shouldWatchScroll = false; 
            documentPointer.emitter.on('pointerup', this.onDocumentPointerUp); 
            /* 
            TODO: better way to know about whether there was a selection with the pointer 
            */ 
            context.emitter.on('select', this.onSelect); 
        } 
        UnselectAuto.prototype.destroy = function () { 
            this.context.emitter.off('select', this.onSelect); 
            this.documentPointer.destroy(); 
        }; 
        return UnselectAuto; 
    }()); 
 
    var LISTENER_REFINERS = { 
        dateClick: identity, 
        eventDragStart: identity, 
        eventDragStop: identity, 
        eventDrop: identity, 
        eventResizeStart: identity, 
        eventResizeStop: identity, 
        eventResize: identity, 
        drop: identity, 
        eventReceive: identity, 
        eventLeave: identity 
    }; 
 
    /* 
    Given an already instantiated draggable object for one-or-more elements, 
    Interprets any dragging as an attempt to drag an events that lives outside 
    of a calendar onto a calendar. 
    */ 
    var ExternalElementDragging = /** @class */ (function () { 
        function ExternalElementDragging(dragging, suppliedDragMeta) { 
            var _this = this; 
            this.receivingContext = null; 
            this.droppableEvent = null; // will exist for all drags, even if create:false 
            this.suppliedDragMeta = null; 
            this.dragMeta = null; 
            this.handleDragStart = function (ev) { 
                _this.dragMeta = _this.buildDragMeta(ev.subjectEl); 
            }; 
            this.handleHitUpdate = function (hit, isFinal, ev) { 
                var dragging = _this.hitDragging.dragging; 
                var receivingContext = null; 
                var droppableEvent = null; 
                var isInvalid = false; 
                var interaction = { 
                    affectedEvents: createEmptyEventStore(), 
                    mutatedEvents: createEmptyEventStore(), 
                    isEvent: _this.dragMeta.create 
                }; 
                if (hit) { 
                    receivingContext = hit.component.context; 
                    if (_this.canDropElOnCalendar(ev.subjectEl, receivingContext)) { 
                        droppableEvent = computeEventForDateSpan(hit.dateSpan, _this.dragMeta, receivingContext); 
                        interaction.mutatedEvents = eventTupleToStore(droppableEvent); 
                        isInvalid = !isInteractionValid(interaction, receivingContext); 
                        if (isInvalid) { 
                            interaction.mutatedEvents = createEmptyEventStore(); 
                            droppableEvent = null; 
                        } 
                    } 
                } 
                _this.displayDrag(receivingContext, interaction); 
                // show mirror if no already-rendered mirror element OR if we are shutting down the mirror (?) 
                // TODO: wish we could somehow wait for dispatch to guarantee render 
                dragging.setMirrorIsVisible(isFinal || !droppableEvent || !document.querySelector('.fc-event-mirror')); 
                if (!isInvalid) { 
                    enableCursor(); 
                } 
                else { 
                    disableCursor(); 
                } 
                if (!isFinal) { 
                    dragging.setMirrorNeedsRevert(!droppableEvent); 
                    _this.receivingContext = receivingContext; 
                    _this.droppableEvent = droppableEvent; 
                } 
            }; 
            this.handleDragEnd = function (pev) { 
                var _a = _this, receivingContext = _a.receivingContext, droppableEvent = _a.droppableEvent; 
                _this.clearDrag(); 
                if (receivingContext && droppableEvent) { 
                    var finalHit = _this.hitDragging.finalHit; 
                    var finalView = finalHit.component.context.viewApi; 
                    var dragMeta = _this.dragMeta; 
                    receivingContext.emitter.trigger('drop', __assign(__assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext)), { draggedEl: pev.subjectEl, jsEvent: pev.origEvent, view: finalView })); 
                    if (dragMeta.create) { 
                        receivingContext.dispatch({ 
                            type: 'MERGE_EVENTS', 
                            eventStore: eventTupleToStore(droppableEvent) 
                        }); 
                        if (pev.isTouch) { 
                            receivingContext.dispatch({ 
                                type: 'SELECT_EVENT', 
                                eventInstanceId: droppableEvent.instance.instanceId 
                            }); 
                        } 
                        // signal that an external event landed 
                        receivingContext.emitter.trigger('eventReceive', { 
                            draggedEl: pev.subjectEl, 
                            event: new EventApi(receivingContext, droppableEvent.def, droppableEvent.instance), 
                            view: finalView 
                        }); 
                    } 
                } 
                _this.receivingContext = null; 
                _this.droppableEvent = null; 
            }; 
            var hitDragging = this.hitDragging = new HitDragging(dragging, interactionSettingsStore); 
            hitDragging.requireInitial = false; // will start outside of a component 
            hitDragging.emitter.on('dragstart', this.handleDragStart); 
            hitDragging.emitter.on('hitupdate', this.handleHitUpdate); 
            hitDragging.emitter.on('dragend', this.handleDragEnd); 
            this.suppliedDragMeta = suppliedDragMeta; 
        } 
        ExternalElementDragging.prototype.buildDragMeta = function (subjectEl) { 
            if (typeof this.suppliedDragMeta === 'object') { 
                return parseDragMeta(this.suppliedDragMeta); 
            } 
            else if (typeof this.suppliedDragMeta === 'function') { 
                return parseDragMeta(this.suppliedDragMeta(subjectEl)); 
            } 
            else { 
                return getDragMetaFromEl(subjectEl); 
            } 
        }; 
        ExternalElementDragging.prototype.displayDrag = function (nextContext, state) { 
            var prevContext = this.receivingContext; 
            if (prevContext && prevContext !== nextContext) { 
                prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' }); 
            } 
            if (nextContext) { 
                nextContext.dispatch({ type: 'SET_EVENT_DRAG', state: state }); 
            } 
        }; 
        ExternalElementDragging.prototype.clearDrag = function () { 
            if (this.receivingContext) { 
                this.receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' }); 
            } 
        }; 
        ExternalElementDragging.prototype.canDropElOnCalendar = function (el, receivingContext) { 
            var dropAccept = receivingContext.options.dropAccept; 
            if (typeof dropAccept === 'function') { 
                return dropAccept.call(receivingContext.calendarApi, el); 
            } 
            else if (typeof dropAccept === 'string' && dropAccept) { 
                return Boolean(elementMatches(el, dropAccept)); 
            } 
            return true; 
        }; 
        return ExternalElementDragging; 
    }()); 
    // Utils for computing event store from the DragMeta 
    // ---------------------------------------------------------------------------------------------------- 
    function computeEventForDateSpan(dateSpan, dragMeta, context) { 
        var defProps = __assign({}, dragMeta.leftoverProps); 
        for (var _i = 0, _a = context.pluginHooks.externalDefTransforms; _i < _a.length; _i++) { 
            var transform = _a[_i]; 
            __assign(defProps, transform(dateSpan, dragMeta)); 
        } 
        var _b = refineEventDef(defProps, context), refined = _b.refined, extra = _b.extra; 
        var def = parseEventDef(refined, extra, dragMeta.sourceId, dateSpan.allDay, context.options.forceEventDuration || Boolean(dragMeta.duration), // hasEnd 
        context); 
        var start = dateSpan.range.start; 
        // only rely on time info if drop zone is all-day, 
        // otherwise, we already know the time 
        if (dateSpan.allDay && dragMeta.startTime) { 
            start = context.dateEnv.add(start, dragMeta.startTime); 
        } 
        var end = dragMeta.duration ? 
            context.dateEnv.add(start, dragMeta.duration) : 
            getDefaultEventEnd(dateSpan.allDay, start, context); 
        var instance = createEventInstance(def.defId, { start: start, end: end }); 
        return { def: def, instance: instance }; 
    } 
    // Utils for extracting data from element 
    // ---------------------------------------------------------------------------------------------------- 
    function getDragMetaFromEl(el) { 
        var str = getEmbeddedElData(el, 'event'); 
        var obj = str ? 
            JSON.parse(str) : 
            { create: false }; // if no embedded data, assume no event creation 
        return parseDragMeta(obj); 
    } 
    config.dataAttrPrefix = ''; 
    function getEmbeddedElData(el, name) { 
        var prefix = config.dataAttrPrefix; 
        var prefixedName = (prefix ? prefix + '-' : '') + name; 
        return el.getAttribute('data-' + prefixedName) || ''; 
    } 
 
    /* 
    Makes an element (that is *external* to any calendar) draggable. 
    Can pass in data that determines how an event will be created when dropped onto a calendar. 
    Leverages FullCalendar's internal drag-n-drop functionality WITHOUT a third-party drag system. 
    */ 
    var ExternalDraggable = /** @class */ (function () { 
        function ExternalDraggable(el, settings) { 
            var _this = this; 
            if (settings === void 0) { settings = {}; } 
            this.handlePointerDown = function (ev) { 
                var dragging = _this.dragging; 
                var _a = _this.settings, minDistance = _a.minDistance, longPressDelay = _a.longPressDelay; 
                dragging.minDistance = 
                    minDistance != null ? 
                        minDistance : 
                        (ev.isTouch ? 0 : BASE_OPTION_DEFAULTS.eventDragMinDistance); 
                dragging.delay = 
                    ev.isTouch ? // TODO: eventually read eventLongPressDelay instead vvv 
                        (longPressDelay != null ? longPressDelay : BASE_OPTION_DEFAULTS.longPressDelay) : 
                        0; 
            }; 
            this.handleDragStart = function (ev) { 
                if (ev.isTouch && 
                    _this.dragging.delay && 
                    ev.subjectEl.classList.contains('fc-event')) { 
                    _this.dragging.mirror.getMirrorEl().classList.add('fc-event-selected'); 
                } 
            }; 
            this.settings = settings; 
            var dragging = this.dragging = new FeaturefulElementDragging(el); 
            dragging.touchScrollAllowed = false; 
            if (settings.itemSelector != null) { 
                dragging.pointer.selector = settings.itemSelector; 
            } 
            if (settings.appendTo != null) { 
                dragging.mirror.parentNode = settings.appendTo; // TODO: write tests 
            } 
            dragging.emitter.on('pointerdown', this.handlePointerDown); 
            dragging.emitter.on('dragstart', this.handleDragStart); 
            new ExternalElementDragging(dragging, settings.eventData); 
        } 
        ExternalDraggable.prototype.destroy = function () { 
            this.dragging.destroy(); 
        }; 
        return ExternalDraggable; 
    }()); 
 
    /* 
    Detects when a *THIRD-PARTY* drag-n-drop system interacts with elements. 
    The third-party system is responsible for drawing the visuals effects of the drag. 
    This class simply monitors for pointer movements and fires events. 
    It also has the ability to hide the moving element (the "mirror") during the drag. 
    */ 
    var InferredElementDragging = /** @class */ (function (_super) { 
        __extends(InferredElementDragging, _super); 
        function InferredElementDragging(containerEl) { 
            var _this = _super.call(this, containerEl) || this; 
            _this.shouldIgnoreMove = false; 
            _this.mirrorSelector = ''; 
            _this.currentMirrorEl = null; 
            _this.handlePointerDown = function (ev) { 
                _this.emitter.trigger('pointerdown', ev); 
                if (!_this.shouldIgnoreMove) { 
                    // fire dragstart right away. does not support delay or min-distance 
                    _this.emitter.trigger('dragstart', ev); 
                } 
            }; 
            _this.handlePointerMove = function (ev) { 
                if (!_this.shouldIgnoreMove) { 
                    _this.emitter.trigger('dragmove', ev); 
                } 
            }; 
            _this.handlePointerUp = function (ev) { 
                _this.emitter.trigger('pointerup', ev); 
                if (!_this.shouldIgnoreMove) { 
                    // fire dragend right away. does not support a revert animation 
                    _this.emitter.trigger('dragend', ev); 
                } 
            }; 
            var pointer = _this.pointer = new PointerDragging(containerEl); 
            pointer.emitter.on('pointerdown', _this.handlePointerDown); 
            pointer.emitter.on('pointermove', _this.handlePointerMove); 
            pointer.emitter.on('pointerup', _this.handlePointerUp); 
            return _this; 
        } 
        InferredElementDragging.prototype.destroy = function () { 
            this.pointer.destroy(); 
        }; 
        InferredElementDragging.prototype.setIgnoreMove = function (bool) { 
            this.shouldIgnoreMove = bool; 
        }; 
        InferredElementDragging.prototype.setMirrorIsVisible = function (bool) { 
            if (bool) { 
                // restore a previously hidden element. 
                // use the reference in case the selector class has already been removed. 
                if (this.currentMirrorEl) { 
                    this.currentMirrorEl.style.visibility = ''; 
                    this.currentMirrorEl = null; 
                } 
            } 
            else { 
                var mirrorEl = this.mirrorSelector ? 
                    document.querySelector(this.mirrorSelector) : 
                    null; 
                if (mirrorEl) { 
                    this.currentMirrorEl = mirrorEl; 
                    mirrorEl.style.visibility = 'hidden'; 
                } 
            } 
        }; 
        return InferredElementDragging; 
    }(ElementDragging)); 
 
    /* 
    Bridges third-party drag-n-drop systems with FullCalendar. 
    Must be instantiated and destroyed by caller. 
    */ 
    var ThirdPartyDraggable = /** @class */ (function () { 
        function ThirdPartyDraggable(containerOrSettings, settings) { 
            var containerEl = document; 
            if ( 
            // wish we could just test instanceof EventTarget, but doesn't work in IE11 
            containerOrSettings === document || 
                containerOrSettings instanceof Element) { 
                containerEl = containerOrSettings; 
                settings = settings || {}; 
            } 
            else { 
                settings = (containerOrSettings || {}); 
            } 
            var dragging = this.dragging = new InferredElementDragging(containerEl); 
            if (typeof settings.itemSelector === 'string') { 
                dragging.pointer.selector = settings.itemSelector; 
            } 
            else if (containerEl === document) { 
                dragging.pointer.selector = '[data-event]'; 
            } 
            if (typeof settings.mirrorSelector === 'string') { 
                dragging.mirrorSelector = settings.mirrorSelector; 
            } 
            new ExternalElementDragging(dragging, settings.eventData); 
        } 
        ThirdPartyDraggable.prototype.destroy = function () { 
            this.dragging.destroy(); 
        }; 
        return ThirdPartyDraggable; 
    }()); 
 
    var interactionPlugin = createPlugin({ 
        componentInteractions: [DateClicking, DateSelecting, EventDragging, EventResizing], 
        calendarInteractions: [UnselectAuto], 
        elementDraggingImpl: FeaturefulElementDragging, 
        listenerRefiners: LISTENER_REFINERS 
    }); 
 
    /* An abstract class for the daygrid views, as well as month view. Renders one or more rows of day cells. 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    // It is a manager for a Table subcomponent, which does most of the heavy lifting. 
    // It is responsible for managing width/height. 
    var TableView = /** @class */ (function (_super) { 
        __extends(TableView, _super); 
        function TableView() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.headerElRef = createRef(); 
            return _this; 
        } 
        TableView.prototype.renderSimpleLayout = function (headerRowContent, bodyContent) { 
            var _a = this, props = _a.props, context = _a.context; 
            var sections = []; 
            var stickyHeaderDates = getStickyHeaderDates(context.options); 
            if (headerRowContent) { 
                sections.push({ 
                    type: 'header', 
                    key: 'header', 
                    isSticky: stickyHeaderDates, 
                    chunk: { 
                        elRef: this.headerElRef, 
                        tableClassName: 'fc-col-header', 
                        rowContent: headerRowContent 
                    } 
                }); 
            } 
            sections.push({ 
                type: 'body', 
                key: 'body', 
                liquid: true, 
                chunk: { content: bodyContent } 
            }); 
            return (createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, classNames) { return (createElement("div", { ref: rootElRef, className: ['fc-daygrid'].concat(classNames).join(' ') }, 
                createElement(SimpleScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, cols: [] /* TODO: make optional? */, sections: sections }))); })); 
        }; 
        TableView.prototype.renderHScrollLayout = function (headerRowContent, bodyContent, colCnt, dayMinWidth) { 
            var ScrollGrid = this.context.pluginHooks.scrollGridImpl; 
            if (!ScrollGrid) { 
                throw new Error('No ScrollGrid implementation'); 
            } 
            var _a = this, props = _a.props, context = _a.context; 
            var stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options); 
            var stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options); 
            var sections = []; 
            if (headerRowContent) { 
                sections.push({ 
                    type: 'header', 
                    key: 'header', 
                    isSticky: stickyHeaderDates, 
                    chunks: [{ 
                            key: 'main', 
                            elRef: this.headerElRef, 
                            tableClassName: 'fc-col-header', 
                            rowContent: headerRowContent 
                        }] 
                }); 
            } 
            sections.push({ 
                type: 'body', 
                key: 'body', 
                liquid: true, 
                chunks: [{ 
                        key: 'main', 
                        content: bodyContent 
                    }] 
            }); 
            if (stickyFooterScrollbar) { 
                sections.push({ 
                    type: 'footer', 
                    key: 'footer', 
                    isSticky: true, 
                    chunks: [{ 
                            key: 'main', 
                            content: renderScrollShim 
                        }] 
                }); 
            } 
            return (createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, classNames) { return (createElement("div", { ref: rootElRef, className: ['fc-daygrid'].concat(classNames).join(' ') }, 
                createElement(ScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, colGroups: [{ cols: [{ span: colCnt, minWidth: dayMinWidth }] }], sections: sections }))); })); 
        }; 
        return TableView; 
    }(DateComponent)); 
 
    function splitSegsByRow(segs, rowCnt) { 
        var byRow = []; 
        for (var i = 0; i < rowCnt; i++) { 
            byRow[i] = []; 
        } 
        for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) { 
            var seg = segs_1[_i]; 
            byRow[seg.row].push(seg); 
        } 
        return byRow; 
    } 
    function splitSegsByFirstCol(segs, colCnt) { 
        var byCol = []; 
        for (var i = 0; i < colCnt; i++) { 
            byCol[i] = []; 
        } 
        for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) { 
            var seg = segs_2[_i]; 
            byCol[seg.firstCol].push(seg); 
        } 
        return byCol; 
    } 
    function splitInteractionByRow(ui, rowCnt) { 
        var byRow = []; 
        if (!ui) { 
            for (var i = 0; i < rowCnt; i++) { 
                byRow[i] = null; 
            } 
        } 
        else { 
            for (var i = 0; i < rowCnt; i++) { 
                byRow[i] = { 
                    affectedInstances: ui.affectedInstances, 
                    isEvent: ui.isEvent, 
                    segs: [] 
                }; 
            } 
            for (var _i = 0, _a = ui.segs; _i < _a.length; _i++) { 
                var seg = _a[_i]; 
                byRow[seg.row].segs.push(seg); 
            } 
        } 
        return byRow; 
    } 
 
    var DEFAULT_WEEK_NUM_FORMAT = createFormatter({ week: 'narrow' }); 
    var TableCell = /** @class */ (function (_super) { 
        __extends(TableCell, _super); 
        function TableCell() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.handleRootEl = function (el) { 
                _this.rootEl = el; 
                setRef(_this.props.elRef, el); 
            }; 
            _this.handleMoreLinkClick = function (ev) { 
                var props = _this.props; 
                if (props.onMoreClick) { 
                    var allSegs = props.segsByEachCol; 
                    var hiddenSegs = allSegs.filter(function (seg) { return props.segIsHidden[seg.eventRange.instance.instanceId]; }); 
                    props.onMoreClick({ 
                        date: props.date, 
                        allSegs: allSegs, 
                        hiddenSegs: hiddenSegs, 
                        moreCnt: props.moreCnt, 
                        dayEl: _this.rootEl, 
                        ev: ev 
                    }); 
                } 
            }; 
            return _this; 
        } 
        TableCell.prototype.render = function () { 
            var _this = this; 
            var _a = this.context, options = _a.options, viewApi = _a.viewApi; 
            var props = this.props; 
            var date = props.date, dateProfile = props.dateProfile; 
            var hookProps = { 
                num: props.moreCnt, 
                text: props.buildMoreLinkText(props.moreCnt), 
                view: viewApi 
            }; 
            var navLinkAttrs = options.navLinks 
                ? { 'data-navlink': buildNavLinkData(date, 'week'), tabIndex: 0 } 
                : {}; 
            return (createElement(DayCellRoot, { date: date, dateProfile: dateProfile, todayRange: props.todayRange, showDayNumber: props.showDayNumber, extraHookProps: props.extraHookProps, elRef: this.handleRootEl }, function (rootElRef, classNames, rootDataAttrs, isDisabled) { return (createElement("td", __assign({ ref: rootElRef, className: ['fc-daygrid-day'].concat(classNames, props.extraClassNames || []).join(' ') }, rootDataAttrs, props.extraDataAttrs), 
                createElement("div", { className: 'fc-daygrid-day-frame fc-scrollgrid-sync-inner', ref: props.innerElRef /* different from hook system! RENAME */ }, 
                    props.showWeekNumber && 
                        createElement(WeekNumberRoot, { date: date, defaultFormat: DEFAULT_WEEK_NUM_FORMAT }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("a", __assign({ ref: rootElRef, className: ['fc-daygrid-week-number'].concat(classNames).join(' ') }, navLinkAttrs), innerContent)); }), 
                    !isDisabled && 
                        createElement(TableCellTop, { date: date, dateProfile: dateProfile, showDayNumber: props.showDayNumber, todayRange: props.todayRange, extraHookProps: props.extraHookProps }), 
                    createElement("div", { className: 'fc-daygrid-day-events', ref: props.fgContentElRef, style: { paddingBottom: props.fgPaddingBottom } }, 
                        props.fgContent, 
                        Boolean(props.moreCnt) && 
                            createElement("div", { className: 'fc-daygrid-day-bottom', style: { marginTop: props.moreMarginTop } }, 
                                createElement(RenderHook, { hookProps: hookProps, classNames: options.moreLinkClassNames, content: options.moreLinkContent, defaultContent: renderMoreLinkInner, didMount: options.moreLinkDidMount, willUnmount: options.moreLinkWillUnmount }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("a", { onClick: _this.handleMoreLinkClick, ref: rootElRef, className: ['fc-daygrid-more-link'].concat(classNames).join(' ') }, innerContent)); }))), 
                    createElement("div", { className: 'fc-daygrid-day-bg' }, props.bgContent)))); })); 
        }; 
        return TableCell; 
    }(DateComponent)); 
    function renderTopInner(props) { 
        return props.dayNumberText; 
    } 
    function renderMoreLinkInner(props) { 
        return props.text; 
    } 
    var TableCellTop = /** @class */ (function (_super) { 
        __extends(TableCellTop, _super); 
        function TableCellTop() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TableCellTop.prototype.render = function () { 
            var props = this.props; 
            var navLinkAttrs = this.context.options.navLinks 
                ? { 'data-navlink': buildNavLinkData(props.date), tabIndex: 0 } 
                : {}; 
            return (createElement(DayCellContent, { date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, showDayNumber: props.showDayNumber, extraHookProps: props.extraHookProps, defaultContent: renderTopInner }, function (innerElRef, innerContent) { return (innerContent && 
                createElement("div", { className: 'fc-daygrid-day-top', ref: innerElRef }, 
                    createElement("a", __assign({ className: 'fc-daygrid-day-number' }, navLinkAttrs), innerContent))); })); 
        }; 
        return TableCellTop; 
    }(BaseComponent)); 
 
    var DEFAULT_TABLE_EVENT_TIME_FORMAT = createFormatter({ 
        hour: 'numeric', 
        minute: '2-digit', 
        omitZeroMinute: true, 
        meridiem: 'narrow' 
    }); 
    function hasListItemDisplay(seg) { 
        var display = seg.eventRange.ui.display; 
        return display === 'list-item' || (display === 'auto' && 
            !seg.eventRange.def.allDay && 
            seg.firstCol === seg.lastCol // can't be multi-day 
        ); 
    } 
 
    var TableListItemEvent = /** @class */ (function (_super) { 
        __extends(TableListItemEvent, _super); 
        function TableListItemEvent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TableListItemEvent.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var timeFormat = context.options.eventTimeFormat || DEFAULT_TABLE_EVENT_TIME_FORMAT; 
            var timeText = buildSegTimeText(props.seg, timeFormat, context, true, props.defaultDisplayEventEnd); 
            return (createElement(EventRoot, { seg: props.seg, timeText: timeText, defaultContent: renderInnerContent$2, isDragging: props.isDragging, isResizing: false, isDateSelecting: false, isSelected: props.isSelected, isPast: props.isPast, isFuture: props.isFuture, isToday: props.isToday }, function (rootElRef, classNames, innerElRef, innerContent) { return ( // we don't use styles! 
            createElement("a", __assign({ className: ['fc-daygrid-event', 'fc-daygrid-dot-event'].concat(classNames).join(' '), ref: rootElRef }, getSegAnchorAttrs$1(props.seg)), innerContent)); })); 
        }; 
        return TableListItemEvent; 
    }(BaseComponent)); 
    function renderInnerContent$2(innerProps) { 
        return (createElement(Fragment, null, 
            createElement("div", { className: 'fc-daygrid-event-dot', style: { borderColor: innerProps.borderColor || innerProps.backgroundColor } }), 
            innerProps.timeText && 
                createElement("div", { className: 'fc-event-time' }, innerProps.timeText), 
            createElement("div", { className: 'fc-event-title' }, innerProps.event.title || createElement(Fragment, null, "")))); 
    } 
    function getSegAnchorAttrs$1(seg) { 
        var url = seg.eventRange.def.url; 
        return url ? { href: url } : {}; 
    } 
 
    var TableBlockEvent = /** @class */ (function (_super) { 
        __extends(TableBlockEvent, _super); 
        function TableBlockEvent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TableBlockEvent.prototype.render = function () { 
            var props = this.props; 
            return (createElement(StandardEvent, __assign({}, props, { extraClassNames: ['fc-daygrid-event', 'fc-daygrid-block-event', 'fc-h-event'], defaultTimeFormat: DEFAULT_TABLE_EVENT_TIME_FORMAT, defaultDisplayEventEnd: props.defaultDisplayEventEnd, disableResizing: !props.seg.eventRange.def.allDay }))); 
        }; 
        return TableBlockEvent; 
    }(BaseComponent)); 
 
    function computeFgSegPlacement(// for one row. TODO: print mode? 
    cellModels, segs, dayMaxEvents, dayMaxEventRows, eventHeights, maxContentHeight, colCnt, eventOrderSpecs) { 
        var colPlacements = []; // if event spans multiple cols, its present in each col 
        var moreCnts = []; // by-col 
        var segIsHidden = {}; 
        var segTops = {}; // always populated for each seg 
        var segMarginTops = {}; // simetimes populated for each seg 
        var moreTops = {}; 
        var paddingBottoms = {}; // for each cell's inner-wrapper div 
        for (var i = 0; i < colCnt; i++) { 
            colPlacements.push([]); 
            moreCnts.push(0); 
        } 
        segs = sortEventSegs(segs, eventOrderSpecs); 
        for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) { 
            var seg = segs_1[_i]; 
            var instanceId = seg.eventRange.instance.instanceId; 
            var eventHeight = eventHeights[instanceId + ':' + seg.firstCol]; 
            placeSeg(seg, eventHeight || 0); // will keep colPlacements sorted by top 
        } 
        if (dayMaxEvents === true || dayMaxEventRows === true) { 
            limitByMaxHeight(moreCnts, segIsHidden, colPlacements, maxContentHeight); // populates moreCnts/segIsHidden 
        } 
        else if (typeof dayMaxEvents === 'number') { 
            limitByMaxEvents(moreCnts, segIsHidden, colPlacements, dayMaxEvents); // populates moreCnts/segIsHidden 
        } 
        else if (typeof dayMaxEventRows === 'number') { 
            limitByMaxRows(moreCnts, segIsHidden, colPlacements, dayMaxEventRows); // populates moreCnts/segIsHidden 
        } 
        // computes segTops/segMarginTops/moreTops/paddingBottoms 
        for (var col = 0; col < colCnt; col++) { 
            var placements = colPlacements[col]; 
            var currentNonAbsBottom = 0; 
            var runningAbsHeight = 0; 
            for (var _a = 0, placements_1 = placements; _a < placements_1.length; _a++) { 
                var placement = placements_1[_a]; 
                var seg = placement.seg; 
                if (!segIsHidden[seg.eventRange.instance.instanceId]) { 
                    segTops[seg.eventRange.instance.instanceId] = placement.top; // from top of container 
                    if (seg.firstCol === seg.lastCol && seg.isStart && seg.isEnd) { // TODO: simpler way? NOT DRY 
                        segMarginTops[seg.eventRange.instance.instanceId] = 
                            placement.top - currentNonAbsBottom; // from previous seg bottom 
                        runningAbsHeight = 0; 
                        currentNonAbsBottom = placement.bottom; 
                    } 
                    else { // multi-col event, abs positioned 
                        runningAbsHeight += placement.bottom - placement.top; 
                    } 
                } 
            } 
            if (runningAbsHeight) { 
                if (moreCnts[col]) { 
                    moreTops[col] = runningAbsHeight; 
                } 
                else { 
                    paddingBottoms[col] = runningAbsHeight; 
                } 
            } 
        } 
        function placeSeg(seg, segHeight) { 
            if (!tryPlaceSegAt(seg, segHeight, 0)) { 
                for (var col = seg.firstCol; col <= seg.lastCol; col++) { 
                    for (var _i = 0, _a = colPlacements[col]; _i < _a.length; _i++) { // will repeat multi-day segs!!!!!!! bad!!!!!! 
                        var placement = _a[_i]; 
                        if (tryPlaceSegAt(seg, segHeight, placement.bottom)) { 
                            return; 
                        } 
                    } 
                } 
            } 
        } 
        function tryPlaceSegAt(seg, segHeight, top) { 
            if (canPlaceSegAt(seg, segHeight, top)) { 
                for (var col = seg.firstCol; col <= seg.lastCol; col++) { 
                    var placements = colPlacements[col]; 
                    var insertionIndex = 0; 
                    while (insertionIndex < placements.length && 
                        top >= placements[insertionIndex].top) { 
                        insertionIndex++; 
                    } 
                    placements.splice(insertionIndex, 0, { 
                        seg: seg, 
                        top: top, 
                        bottom: top + segHeight 
                    }); 
                } 
                return true; 
            } 
            else { 
                return false; 
            } 
        } 
        function canPlaceSegAt(seg, segHeight, top) { 
            for (var col = seg.firstCol; col <= seg.lastCol; col++) { 
                for (var _i = 0, _a = colPlacements[col]; _i < _a.length; _i++) { 
                    var placement = _a[_i]; 
                    if (top < placement.bottom && top + segHeight > placement.top) { // collide? 
                        return false; 
                    } 
                } 
            } 
            return true; 
        } 
        // what does this do!? 
        for (var instanceIdAndFirstCol in eventHeights) { 
            if (!eventHeights[instanceIdAndFirstCol]) { 
                segIsHidden[instanceIdAndFirstCol.split(':')[0]] = true; 
            } 
        } 
        var segsByFirstCol = colPlacements.map(extractFirstColSegs); // operates on the sorted cols 
        var segsByEachCol = colPlacements.map(function (placements, col) { 
            var segs = extractAllColSegs(placements); 
            segs = resliceDaySegs(segs, cellModels[col].date, col); 
            return segs; 
        }); 
        return { 
            segsByFirstCol: segsByFirstCol, 
            segsByEachCol: segsByEachCol, 
            segIsHidden: segIsHidden, 
            segTops: segTops, 
            segMarginTops: segMarginTops, 
            moreCnts: moreCnts, 
            moreTops: moreTops, 
            paddingBottoms: paddingBottoms 
        }; 
    } 
    function extractFirstColSegs(oneColPlacements, col) { 
        var segs = []; 
        for (var _i = 0, oneColPlacements_1 = oneColPlacements; _i < oneColPlacements_1.length; _i++) { 
            var placement = oneColPlacements_1[_i]; 
            if (placement.seg.firstCol === col) { 
                segs.push(placement.seg); 
            } 
        } 
        return segs; 
    } 
    function extractAllColSegs(oneColPlacements) { 
        var segs = []; 
        for (var _i = 0, oneColPlacements_2 = oneColPlacements; _i < oneColPlacements_2.length; _i++) { 
            var placement = oneColPlacements_2[_i]; 
            segs.push(placement.seg); 
        } 
        return segs; 
    } 
    function limitByMaxHeight(hiddenCnts, segIsHidden, colPlacements, maxContentHeight) { 
        limitEvents(hiddenCnts, segIsHidden, colPlacements, true, function (placement) { 
            return placement.bottom <= maxContentHeight; 
        }); 
    } 
    function limitByMaxEvents(hiddenCnts, segIsHidden, colPlacements, dayMaxEvents) { 
        limitEvents(hiddenCnts, segIsHidden, colPlacements, false, function (placement, levelIndex) { 
            return levelIndex < dayMaxEvents; 
        }); 
    } 
    function limitByMaxRows(hiddenCnts, segIsHidden, colPlacements, dayMaxEventRows) { 
        limitEvents(hiddenCnts, segIsHidden, colPlacements, true, function (placement, levelIndex) { 
            return levelIndex < dayMaxEventRows; 
        }); 
    } 
    /* 
    populates the given hiddenCnts/segIsHidden, which are supplied empty. 
    TODO: return them instead 
    */ 
    function limitEvents(hiddenCnts, segIsHidden, colPlacements, moreLinkConsumesLevel, isPlacementInBounds) { 
        var colCnt = hiddenCnts.length; 
        var segIsVisible = {}; // TODO: instead, use segIsHidden with true/false? 
        var visibleColPlacements = []; // will mirror colPlacements 
        for (var col = 0; col < colCnt; col++) { 
            visibleColPlacements.push([]); 
        } 
        for (var col = 0; col < colCnt; col++) { 
            var placements = colPlacements[col]; 
            var level = 0; 
            for (var _i = 0, placements_2 = placements; _i < placements_2.length; _i++) { 
                var placement = placements_2[_i]; 
                if (isPlacementInBounds(placement, level)) { 
                    recordVisible(placement); 
                } 
                else { 
                    recordHidden(placement); 
                } 
                // only considered a level if the seg had height 
                if (placement.top !== placement.bottom) { 
                    level++; 
                } 
            } 
        } 
        function recordVisible(placement) { 
            var seg = placement.seg; 
            var instanceId = seg.eventRange.instance.instanceId; 
            if (!segIsVisible[instanceId]) { 
                segIsVisible[instanceId] = true; 
                for (var col = seg.firstCol; col <= seg.lastCol; col++) { 
                    visibleColPlacements[col].push(placement); 
                } 
            } 
        } 
        function recordHidden(placement) { 
            var seg = placement.seg; 
            var instanceId = seg.eventRange.instance.instanceId; 
            if (!segIsHidden[instanceId]) { 
                segIsHidden[instanceId] = true; 
                for (var col = seg.firstCol; col <= seg.lastCol; col++) { 
                    var hiddenCnt = ++hiddenCnts[col]; 
                    if (moreLinkConsumesLevel && hiddenCnt === 1) { 
                        var lastVisiblePlacement = visibleColPlacements[col].pop(); 
                        if (lastVisiblePlacement) { 
                            recordHidden(lastVisiblePlacement); 
                        } 
                    } 
                } 
            } 
        } 
    } 
    // Given the events within an array of segment objects, reslice them to be in a single day 
    function resliceDaySegs(segs, dayDate, colIndex) { 
        var dayStart = dayDate; 
        var dayEnd = addDays(dayStart, 1); 
        var dayRange = { start: dayStart, end: dayEnd }; 
        var newSegs = []; 
        for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) { 
            var seg = segs_2[_i]; 
            var eventRange = seg.eventRange; 
            var origRange = eventRange.range; 
            var slicedRange = intersectRanges(origRange, dayRange); 
            if (slicedRange) { 
                newSegs.push(__assign(__assign({}, seg), { firstCol: colIndex, lastCol: colIndex, eventRange: { 
                        def: eventRange.def, 
                        ui: __assign(__assign({}, eventRange.ui), { durationEditable: false }), 
                        instance: eventRange.instance, 
                        range: slicedRange 
                    }, isStart: seg.isStart && slicedRange.start.valueOf() === origRange.start.valueOf(), isEnd: seg.isEnd && slicedRange.end.valueOf() === origRange.end.valueOf() })); 
            } 
        } 
        return newSegs; 
    } 
 
    var TableRow = /** @class */ (function (_super) { 
        __extends(TableRow, _super); 
        function TableRow() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.cellElRefs = new RefMap(); // the <td> 
            _this.frameElRefs = new RefMap(); // the fc-daygrid-day-frame 
            _this.fgElRefs = new RefMap(); // the fc-daygrid-day-events 
            _this.segHarnessRefs = new RefMap(); // indexed by "instanceId:firstCol" 
            _this.rootElRef = createRef(); 
            _this.state = { 
                framePositions: null, 
                maxContentHeight: null, 
                segHeights: {} 
            }; 
            return _this; 
        } 
        TableRow.prototype.render = function () { 
            var _this = this; 
            var _a = this, props = _a.props, state = _a.state, context = _a.context; 
            var colCnt = props.cells.length; 
            var businessHoursByCol = splitSegsByFirstCol(props.businessHourSegs, colCnt); 
            var bgEventSegsByCol = splitSegsByFirstCol(props.bgEventSegs, colCnt); 
            var highlightSegsByCol = splitSegsByFirstCol(this.getHighlightSegs(), colCnt); 
            var mirrorSegsByCol = splitSegsByFirstCol(this.getMirrorSegs(), colCnt); 
            var _b = computeFgSegPlacement(props.cells, props.fgEventSegs, props.dayMaxEvents, props.dayMaxEventRows, state.segHeights, state.maxContentHeight, colCnt, context.options.eventOrder), paddingBottoms = _b.paddingBottoms, segsByFirstCol = _b.segsByFirstCol, segsByEachCol = _b.segsByEachCol, segIsHidden = _b.segIsHidden, segTops = _b.segTops, segMarginTops = _b.segMarginTops, moreCnts = _b.moreCnts, moreTops = _b.moreTops; 
            var selectedInstanceHash = // TODO: messy way to compute this 
             (props.eventDrag && props.eventDrag.affectedInstances) || 
                (props.eventResize && props.eventResize.affectedInstances) || 
                {}; 
            return (createElement("tr", { ref: this.rootElRef }, 
                props.renderIntro && props.renderIntro(), 
                props.cells.map(function (cell, col) { 
                    var normalFgNodes = _this.renderFgSegs(segsByFirstCol[col], segIsHidden, segTops, segMarginTops, selectedInstanceHash, props.todayRange); 
                    var mirrorFgNodes = _this.renderFgSegs(mirrorSegsByCol[col], {}, segTops, // use same tops as real rendering 
                    {}, {}, props.todayRange, Boolean(props.eventDrag), Boolean(props.eventResize), false // date-selecting (because mirror is never drawn for date selection) 
                    ); 
                    var showWeekNumber = props.showWeekNumbers && col === 0; 
                    return (createElement(TableCell, { key: cell.key, elRef: _this.cellElRefs.createRef(cell.key), innerElRef: _this.frameElRefs.createRef(cell.key) /* FF <td> problem, but okay to use for left/right. TODO: rename prop */, dateProfile: props.dateProfile, date: cell.date, showDayNumber: props.showDayNumbers || showWeekNumber /* for spacing, we need to force day-numbers if week numbers */, showWeekNumber: showWeekNumber, todayRange: props.todayRange, extraHookProps: cell.extraHookProps, extraDataAttrs: cell.extraDataAttrs, extraClassNames: cell.extraClassNames, moreCnt: moreCnts[col], buildMoreLinkText: props.buildMoreLinkText, onMoreClick: props.onMoreClick, segIsHidden: segIsHidden, moreMarginTop: moreTops[col] /* rename */, segsByEachCol: segsByEachCol[col], fgPaddingBottom: paddingBottoms[col], fgContentElRef: _this.fgElRefs.createRef(cell.key), fgContent: ( // Fragment scopes the keys 
                        createElement(Fragment, null, 
                            createElement(Fragment, null, normalFgNodes), 
                            createElement(Fragment, null, mirrorFgNodes))), bgContent: ( // Fragment scopes the keys 
                        createElement(Fragment, null, 
                            _this.renderFillSegs(highlightSegsByCol[col], 'highlight'), 
                            _this.renderFillSegs(businessHoursByCol[col], 'non-business'), 
                            _this.renderFillSegs(bgEventSegsByCol[col], 'bg-event'))) })); 
                }))); 
        }; 
        TableRow.prototype.componentDidMount = function () { 
            this.updateSizing(true); 
        }; 
        TableRow.prototype.componentDidUpdate = function (prevProps, prevState) { 
            var currentProps = this.props; 
            this.updateSizing(!isPropsEqual(prevProps, currentProps)); 
        }; 
        TableRow.prototype.getHighlightSegs = function () { 
            var props = this.props; 
            if (props.eventDrag && props.eventDrag.segs.length) { // messy check 
                return props.eventDrag.segs; 
            } 
            else if (props.eventResize && props.eventResize.segs.length) { // messy check 
                return props.eventResize.segs; 
            } 
            else { 
                return props.dateSelectionSegs; 
            } 
        }; 
        TableRow.prototype.getMirrorSegs = function () { 
            var props = this.props; 
            if (props.eventResize && props.eventResize.segs.length) { // messy check 
                return props.eventResize.segs; 
            } 
            else { 
                return []; 
            } 
        }; 
        TableRow.prototype.renderFgSegs = function (segs, segIsHidden, // does NOT mean display:hidden 
        segTops, segMarginTops, selectedInstanceHash, todayRange, isDragging, isResizing, isDateSelecting) { 
            var context = this.context; 
            var eventSelection = this.props.eventSelection; 
            var framePositions = this.state.framePositions; 
            var defaultDisplayEventEnd = this.props.cells.length === 1; // colCnt === 1 
            var nodes = []; 
            if (framePositions) { 
                for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) { 
                    var seg = segs_1[_i]; 
                    var instanceId = seg.eventRange.instance.instanceId; 
                    var isMirror = isDragging || isResizing || isDateSelecting; 
                    var isSelected = selectedInstanceHash[instanceId]; 
                    var isInvisible = segIsHidden[instanceId] || isSelected; 
                    var isAbsolute = segIsHidden[instanceId] || isMirror || seg.firstCol !== seg.lastCol || !seg.isStart || !seg.isEnd; // TODO: simpler way? NOT DRY 
                    var marginTop = void 0; 
                    var top_1 = void 0; 
                    var left = void 0; 
                    var right = void 0; 
                    if (isAbsolute) { 
                        top_1 = segTops[instanceId]; 
                        if (context.isRtl) { 
                            right = 0; 
                            left = framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol]; 
                        } 
                        else { 
                            left = 0; 
                            right = framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol]; 
                        } 
                    } 
                    else { 
                        marginTop = segMarginTops[instanceId]; 
                    } 
                    /* 
                    known bug: events that are force to be list-item but span multiple days still take up space in later columns 
                    */ 
                    nodes.push(createElement("div", { className: 'fc-daygrid-event-harness' + (isAbsolute ? ' fc-daygrid-event-harness-abs' : ''), key: instanceId, ref: isMirror ? null : this.segHarnessRefs.createRef(instanceId + ':' + seg.firstCol) /* in print mode when in mult cols, could collide */, style: { 
                            visibility: isInvisible ? 'hidden' : '', 
                            marginTop: marginTop || '', 
                            top: top_1 || '', 
                            left: left || '', 
                            right: right || '' 
                        } }, hasListItemDisplay(seg) ? 
                        createElement(TableListItemEvent, __assign({ seg: seg, isDragging: isDragging, isSelected: instanceId === eventSelection, defaultDisplayEventEnd: defaultDisplayEventEnd }, getSegMeta(seg, todayRange))) : 
                        createElement(TableBlockEvent, __assign({ seg: seg, isDragging: isDragging, isResizing: isResizing, isDateSelecting: isDateSelecting, isSelected: instanceId === eventSelection, defaultDisplayEventEnd: defaultDisplayEventEnd }, getSegMeta(seg, todayRange))))); 
                } 
            } 
            return nodes; 
        }; 
        TableRow.prototype.renderFillSegs = function (segs, fillType) { 
            var isRtl = this.context.isRtl; 
            var todayRange = this.props.todayRange; 
            var framePositions = this.state.framePositions; 
            var nodes = []; 
            if (framePositions) { 
                for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) { 
                    var seg = segs_2[_i]; 
                    var leftRightCss = isRtl ? { 
                        right: 0, 
                        left: framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol] 
                    } : { 
                        left: 0, 
                        right: framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol], 
                    }; 
                    nodes.push(createElement("div", { key: buildEventRangeKey(seg.eventRange), className: 'fc-daygrid-bg-harness', style: leftRightCss }, fillType === 'bg-event' ? 
                        createElement(BgEvent, __assign({ seg: seg }, getSegMeta(seg, todayRange))) : 
                        renderFill(fillType))); 
                } 
            } 
            return createElement.apply(void 0, __spreadArrays([Fragment, {}], nodes)); 
        }; 
        TableRow.prototype.updateSizing = function (isExternalSizingChange) { 
            var _a = this, props = _a.props, frameElRefs = _a.frameElRefs; 
            if (props.clientWidth !== null) { // positioning ready? 
                if (isExternalSizingChange) { 
                    var frameEls = props.cells.map(function (cell) { return frameElRefs.currentMap[cell.key]; }); 
                    if (frameEls.length) { 
                        var originEl = this.rootElRef.current; 
                        this.setState({ 
                            framePositions: new PositionCache(originEl, frameEls, true, // isHorizontal 
                            false) 
                        }); 
                    } 
                } 
                var limitByContentHeight = props.dayMaxEvents === true || props.dayMaxEventRows === true; 
                this.setState({ 
                    segHeights: this.computeSegHeights(), 
                    maxContentHeight: limitByContentHeight ? this.computeMaxContentHeight() : null 
                }); 
            } 
        }; 
        TableRow.prototype.computeSegHeights = function () { 
            return mapHash(this.segHarnessRefs.currentMap, function (eventHarnessEl) { return (eventHarnessEl.getBoundingClientRect().height); }); 
        }; 
        TableRow.prototype.computeMaxContentHeight = function () { 
            var firstKey = this.props.cells[0].key; 
            var cellEl = this.cellElRefs.currentMap[firstKey]; 
            var fcContainerEl = this.fgElRefs.currentMap[firstKey]; 
            return cellEl.getBoundingClientRect().bottom - fcContainerEl.getBoundingClientRect().top; 
        }; 
        TableRow.prototype.getCellEls = function () { 
            var elMap = this.cellElRefs.currentMap; 
            return this.props.cells.map(function (cell) { return elMap[cell.key]; }); 
        }; 
        return TableRow; 
    }(DateComponent)); 
    TableRow.addStateEquality({ 
        segHeights: isPropsEqual 
    }); 
 
    var PADDING_FROM_VIEWPORT = 10; 
    var SCROLL_DEBOUNCE = 10; 
    var Popover = /** @class */ (function (_super) { 
        __extends(Popover, _super); 
        function Popover() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.repositioner = new DelayedRunner(_this.updateSize.bind(_this)); 
            _this.handleRootEl = function (el) { 
                _this.rootEl = el; 
                if (_this.props.elRef) { 
                    setRef(_this.props.elRef, el); 
                } 
            }; 
            // Triggered when the user clicks *anywhere* in the document, for the autoHide feature 
            _this.handleDocumentMousedown = function (ev) { 
                var onClose = _this.props.onClose; 
                // only hide the popover if the click happened outside the popover 
                if (onClose && !_this.rootEl.contains(ev.target)) { 
                    onClose(); 
                } 
            }; 
            _this.handleDocumentScroll = function () { 
                _this.repositioner.request(SCROLL_DEBOUNCE); 
            }; 
            _this.handleCloseClick = function () { 
                var onClose = _this.props.onClose; 
                if (onClose) { 
                    onClose(); 
                } 
            }; 
            return _this; 
        } 
        Popover.prototype.render = function () { 
            var theme = this.context.theme; 
            var props = this.props; 
            var classNames = [ 
                'fc-popover', 
                theme.getClass('popover') 
            ].concat(props.extraClassNames || []); 
            return (createElement("div", __assign({ className: classNames.join(' ') }, props.extraAttrs, { ref: this.handleRootEl }), 
                createElement("div", { className: 'fc-popover-header ' + theme.getClass('popoverHeader') }, 
                    createElement("span", { className: 'fc-popover-title' }, props.title), 
                    createElement("span", { className: 'fc-popover-close ' + theme.getIconClass('close'), onClick: this.handleCloseClick })), 
                createElement("div", { className: 'fc-popover-body ' + theme.getClass('popoverContent') }, props.children))); 
        }; 
        Popover.prototype.componentDidMount = function () { 
            document.addEventListener('mousedown', this.handleDocumentMousedown); 
            document.addEventListener('scroll', this.handleDocumentScroll); 
            this.updateSize(); 
        }; 
        Popover.prototype.componentWillUnmount = function () { 
            document.removeEventListener('mousedown', this.handleDocumentMousedown); 
            document.removeEventListener('scroll', this.handleDocumentScroll); 
        }; 
        // TODO: adjust on window resize 
        /* 
        NOTE: the popover is position:fixed, so coordinates are relative to the viewport 
        NOTE: the PARENT calls this as well, on window resize. we would have wanted to use the repositioner, 
              but need to ensure that all other components have updated size first (for alignmentEl) 
        */ 
        Popover.prototype.updateSize = function () { 
            var _a = this.props, alignmentEl = _a.alignmentEl, topAlignmentEl = _a.topAlignmentEl; 
            var rootEl = this.rootEl; 
            if (!rootEl) { 
                return; // not sure why this was null, but we shouldn't let external components call updateSize() anyway 
            } 
            var dims = rootEl.getBoundingClientRect(); // only used for width,height 
            var alignment = alignmentEl.getBoundingClientRect(); 
            var top = topAlignmentEl ? topAlignmentEl.getBoundingClientRect().top : alignment.top; 
            top = Math.min(top, window.innerHeight - dims.height - PADDING_FROM_VIEWPORT); 
            top = Math.max(top, PADDING_FROM_VIEWPORT); 
            var left; 
            if (this.context.isRtl) { 
                left = alignment.right - dims.width; 
            } 
            else { 
                left = alignment.left; 
            } 
            left = Math.min(left, window.innerWidth - dims.width - PADDING_FROM_VIEWPORT); 
            left = Math.max(left, PADDING_FROM_VIEWPORT); 
            applyStyle(rootEl, { top: top, left: left }); 
        }; 
        return Popover; 
    }(BaseComponent)); 
 
    var MorePopover = /** @class */ (function (_super) { 
        __extends(MorePopover, _super); 
        function MorePopover() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.handlePopoverEl = function (popoverEl) { 
                _this.popoverEl = popoverEl; 
                if (popoverEl) { 
                    _this.context.registerInteractiveComponent(_this, { 
                        el: popoverEl, 
                        useEventCenter: false 
                    }); 
                } 
                else { 
                    _this.context.unregisterInteractiveComponent(_this); 
                } 
            }; 
            return _this; 
        } 
        MorePopover.prototype.render = function () { 
            var _a = this.context, options = _a.options, dateEnv = _a.dateEnv; 
            var props = this.props; 
            var date = props.date, hiddenInstances = props.hiddenInstances, todayRange = props.todayRange, dateProfile = props.dateProfile, selectedInstanceId = props.selectedInstanceId; 
            var title = dateEnv.format(date, options.dayPopoverFormat); 
            return (createElement(DayCellRoot, { date: date, dateProfile: dateProfile, todayRange: todayRange, elRef: this.handlePopoverEl }, function (rootElRef, dayClassNames, dataAttrs) { return (createElement(Popover, { elRef: rootElRef, title: title, extraClassNames: ['fc-more-popover'].concat(dayClassNames), extraAttrs: dataAttrs, onClose: props.onCloseClick, alignmentEl: props.alignmentEl, topAlignmentEl: props.topAlignmentEl }, 
                createElement(DayCellContent, { date: date, dateProfile: dateProfile, todayRange: todayRange }, function (innerElRef, innerContent) { return (innerContent && 
                    createElement("div", { className: 'fc-more-popover-misc', ref: innerElRef }, innerContent)); }), 
                props.segs.map(function (seg) { 
                    var instanceId = seg.eventRange.instance.instanceId; 
                    return (createElement("div", { className: 'fc-daygrid-event-harness', key: instanceId, style: { 
                            visibility: hiddenInstances[instanceId] ? 'hidden' : '' 
                        } }, hasListItemDisplay(seg) ? 
                        createElement(TableListItemEvent, __assign({ seg: seg, isDragging: false, isSelected: instanceId === selectedInstanceId, defaultDisplayEventEnd: false }, getSegMeta(seg, todayRange))) : 
                        createElement(TableBlockEvent, __assign({ seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: instanceId === selectedInstanceId, defaultDisplayEventEnd: false }, getSegMeta(seg, todayRange))))); 
                }))); })); 
        }; 
        MorePopover.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) { 
            var date = this.props.date; 
            if (positionLeft < elWidth && positionTop < elHeight) { 
                return { 
                    component: this, 
                    dateSpan: { 
                        allDay: true, 
                        range: { start: date, end: addDays(date, 1) } 
                    }, 
                    dayEl: this.popoverEl, 
                    rect: { 
                        left: 0, 
                        top: 0, 
                        right: elWidth, 
                        bottom: elHeight 
                    }, 
                    layer: 1 
                }; 
            } 
        }; 
        MorePopover.prototype.isPopover = function () { 
            return true; // gross 
        }; 
        return MorePopover; 
    }(DateComponent)); 
 
    var Table = /** @class */ (function (_super) { 
        __extends(Table, _super); 
        function Table() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.splitBusinessHourSegs = memoize(splitSegsByRow); 
            _this.splitBgEventSegs = memoize(splitSegsByRow); 
            _this.splitFgEventSegs = memoize(splitSegsByRow); 
            _this.splitDateSelectionSegs = memoize(splitSegsByRow); 
            _this.splitEventDrag = memoize(splitInteractionByRow); 
            _this.splitEventResize = memoize(splitInteractionByRow); 
            _this.buildBuildMoreLinkText = memoize(buildBuildMoreLinkText); 
            _this.rowRefs = new RefMap(); 
            _this.state = { 
                morePopoverState: null 
            }; 
            _this.handleRootEl = function (rootEl) { 
                _this.rootEl = rootEl; 
                setRef(_this.props.elRef, rootEl); 
            }; 
            _this.handleMoreLinkClick = function (arg) { 
                var context = _this.context; 
                var dateEnv = context.dateEnv; 
                var clickOption = context.options.moreLinkClick; 
                function segForPublic(seg) { 
                    var _a = seg.eventRange, def = _a.def, instance = _a.instance, range = _a.range; 
                    return { 
                        event: new EventApi(context, def, instance), 
                        start: dateEnv.toDate(range.start), 
                        end: dateEnv.toDate(range.end), 
                        isStart: seg.isStart, 
                        isEnd: seg.isEnd 
                    }; 
                } 
                if (typeof clickOption === 'function') { 
                    clickOption = clickOption({ 
                        date: dateEnv.toDate(arg.date), 
                        allDay: true, 
                        allSegs: arg.allSegs.map(segForPublic), 
                        hiddenSegs: arg.hiddenSegs.map(segForPublic), 
                        jsEvent: arg.ev, 
                        view: context.viewApi 
                    }); // hack to handle void 
                } 
                if (!clickOption || clickOption === 'popover') { 
                    _this.setState({ 
                        morePopoverState: __assign(__assign({}, arg), { currentFgEventSegs: _this.props.fgEventSegs }) 
                    }); 
                } 
                else if (typeof clickOption === 'string') { // a view name 
                    context.calendarApi.zoomTo(arg.date, clickOption); 
                } 
            }; 
            _this.handleMorePopoverClose = function () { 
                _this.setState({ 
                    morePopoverState: null 
                }); 
            }; 
            return _this; 
        } 
        Table.prototype.render = function () { 
            var _this = this; 
            var props = this.props; 
            var dateProfile = props.dateProfile, dayMaxEventRows = props.dayMaxEventRows, dayMaxEvents = props.dayMaxEvents, expandRows = props.expandRows; 
            var morePopoverState = this.state.morePopoverState; 
            var rowCnt = props.cells.length; 
            var businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, rowCnt); 
            var bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, rowCnt); 
            var fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, rowCnt); 
            var dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, rowCnt); 
            var eventDragByRow = this.splitEventDrag(props.eventDrag, rowCnt); 
            var eventResizeByRow = this.splitEventResize(props.eventResize, rowCnt); 
            var buildMoreLinkText = this.buildBuildMoreLinkText(this.context.options.moreLinkText); 
            var limitViaBalanced = dayMaxEvents === true || dayMaxEventRows === true; 
            // if rows can't expand to fill fixed height, can't do balanced-height event limit 
            // TODO: best place to normalize these options? 
            if (limitViaBalanced && !expandRows) { 
                limitViaBalanced = false; 
                dayMaxEventRows = null; 
                dayMaxEvents = null; 
            } 
            var classNames = [ 
                'fc-daygrid-body', 
                limitViaBalanced ? 'fc-daygrid-body-balanced' : 'fc-daygrid-body-unbalanced', 
                expandRows ? '' : 'fc-daygrid-body-natural' // will height of one row depend on the others? 
            ]; 
            return (createElement("div", { className: classNames.join(' '), ref: this.handleRootEl, style: { 
                    // these props are important to give this wrapper correct dimensions for interactions 
                    // TODO: if we set it here, can we avoid giving to inner tables? 
                    width: props.clientWidth, 
                    minWidth: props.tableMinWidth 
                } }, 
                createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) { return (createElement(Fragment, null, 
                    createElement("table", { className: 'fc-scrollgrid-sync-table', style: { 
                            width: props.clientWidth, 
                            minWidth: props.tableMinWidth, 
                            height: expandRows ? props.clientHeight : '' 
                        } }, 
                        props.colGroupNode, 
                        createElement("tbody", null, props.cells.map(function (cells, row) { return (createElement(TableRow, { ref: _this.rowRefs.createRef(row), key: cells.length 
                                ? cells[0].date.toISOString() /* best? or put key on cell? or use diff formatter? */ 
                                : row // in case there are no cells (like when resource view is loading) 
                            , showDayNumbers: rowCnt > 1, showWeekNumbers: props.showWeekNumbers, todayRange: todayRange, dateProfile: dateProfile, cells: cells, renderIntro: props.renderRowIntro, businessHourSegs: businessHourSegsByRow[row], eventSelection: props.eventSelection, bgEventSegs: bgEventSegsByRow[row].filter(isSegAllDay) /* hack */, fgEventSegs: fgEventSegsByRow[row], dateSelectionSegs: dateSelectionSegsByRow[row], eventDrag: eventDragByRow[row], eventResize: eventResizeByRow[row], dayMaxEvents: dayMaxEvents, dayMaxEventRows: dayMaxEventRows, clientWidth: props.clientWidth, clientHeight: props.clientHeight, buildMoreLinkText: buildMoreLinkText, onMoreClick: _this.handleMoreLinkClick })); }))), 
                    (!props.forPrint && morePopoverState && morePopoverState.currentFgEventSegs === props.fgEventSegs) && // clear popover on event mod 
                        createElement(MorePopover, { date: morePopoverState.date, dateProfile: dateProfile, segs: morePopoverState.allSegs, alignmentEl: morePopoverState.dayEl, topAlignmentEl: rowCnt === 1 ? props.headerAlignElRef.current : null, onCloseClick: _this.handleMorePopoverClose, selectedInstanceId: props.eventSelection, hiddenInstances: // yuck 
                            (props.eventDrag ? props.eventDrag.affectedInstances : null) || 
                                (props.eventResize ? props.eventResize.affectedInstances : null) || 
                                {}, todayRange: todayRange }))); }))); 
        }; 
        // Hit System 
        // ---------------------------------------------------------------------------------------------------- 
        Table.prototype.prepareHits = function () { 
            this.rowPositions = new PositionCache(this.rootEl, this.rowRefs.collect().map(function (rowObj) { return rowObj.getCellEls()[0]; }), // first cell el in each row. TODO: not optimal 
            false, true // vertical 
            ); 
            this.colPositions = new PositionCache(this.rootEl, this.rowRefs.currentMap[0].getCellEls(), // cell els in first row 
            true, // horizontal 
            false); 
        }; 
        Table.prototype.positionToHit = function (leftPosition, topPosition) { 
            var _a = this, colPositions = _a.colPositions, rowPositions = _a.rowPositions; 
            var col = colPositions.leftToIndex(leftPosition); 
            var row = rowPositions.topToIndex(topPosition); 
            if (row != null && col != null) { 
                return { 
                    row: row, 
                    col: col, 
                    dateSpan: { 
                        range: this.getCellRange(row, col), 
                        allDay: true 
                    }, 
                    dayEl: this.getCellEl(row, col), 
                    relativeRect: { 
                        left: colPositions.lefts[col], 
                        right: colPositions.rights[col], 
                        top: rowPositions.tops[row], 
                        bottom: rowPositions.bottoms[row] 
                    } 
                }; 
            } 
        }; 
        Table.prototype.getCellEl = function (row, col) { 
            return this.rowRefs.currentMap[row].getCellEls()[col]; // TODO: not optimal 
        }; 
        Table.prototype.getCellRange = function (row, col) { 
            var start = this.props.cells[row][col].date; 
            var end = addDays(start, 1); 
            return { start: start, end: end }; 
        }; 
        return Table; 
    }(DateComponent)); 
    function buildBuildMoreLinkText(moreLinkTextInput) { 
        if (typeof moreLinkTextInput === 'function') { 
            return moreLinkTextInput; 
        } 
        else { 
            return function (num) { 
                return "+" + num + " " + moreLinkTextInput; 
            }; 
        } 
    } 
    function isSegAllDay(seg) { 
        return seg.eventRange.def.allDay; 
    } 
 
    var DayTable = /** @class */ (function (_super) { 
        __extends(DayTable, _super); 
        function DayTable() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.slicer = new DayTableSlicer(); 
            _this.tableRef = createRef(); 
            _this.handleRootEl = function (rootEl) { 
                if (rootEl) { 
                    _this.context.registerInteractiveComponent(_this, { el: rootEl }); 
                } 
                else { 
                    _this.context.unregisterInteractiveComponent(_this); 
                } 
            }; 
            return _this; 
        } 
        DayTable.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            return (createElement(Table, __assign({ ref: this.tableRef, elRef: this.handleRootEl }, this.slicer.sliceProps(props, props.dateProfile, props.nextDayThreshold, context, props.dayTableModel), { dateProfile: props.dateProfile, cells: props.dayTableModel.cells, colGroupNode: props.colGroupNode, tableMinWidth: props.tableMinWidth, renderRowIntro: props.renderRowIntro, dayMaxEvents: props.dayMaxEvents, dayMaxEventRows: props.dayMaxEventRows, showWeekNumbers: props.showWeekNumbers, expandRows: props.expandRows, headerAlignElRef: props.headerAlignElRef, clientWidth: props.clientWidth, clientHeight: props.clientHeight, forPrint: props.forPrint }))); 
        }; 
        DayTable.prototype.prepareHits = function () { 
            this.tableRef.current.prepareHits(); 
        }; 
        DayTable.prototype.queryHit = function (positionLeft, positionTop) { 
            var rawHit = this.tableRef.current.positionToHit(positionLeft, positionTop); 
            if (rawHit) { 
                return { 
                    component: this, 
                    dateSpan: rawHit.dateSpan, 
                    dayEl: rawHit.dayEl, 
                    rect: { 
                        left: rawHit.relativeRect.left, 
                        right: rawHit.relativeRect.right, 
                        top: rawHit.relativeRect.top, 
                        bottom: rawHit.relativeRect.bottom 
                    }, 
                    layer: 0 
                }; 
            } 
        }; 
        return DayTable; 
    }(DateComponent)); 
    var DayTableSlicer = /** @class */ (function (_super) { 
        __extends(DayTableSlicer, _super); 
        function DayTableSlicer() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.forceDayIfListItem = true; 
            return _this; 
        } 
        DayTableSlicer.prototype.sliceRange = function (dateRange, dayTableModel) { 
            return dayTableModel.sliceRange(dateRange); 
        }; 
        return DayTableSlicer; 
    }(Slicer)); 
 
    var DayTableView = /** @class */ (function (_super) { 
        __extends(DayTableView, _super); 
        function DayTableView() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.buildDayTableModel = memoize(buildDayTableModel); 
            _this.headerRef = createRef(); 
            _this.tableRef = createRef(); 
            return _this; 
        } 
        DayTableView.prototype.render = function () { 
            var _this = this; 
            var _a = this.context, options = _a.options, dateProfileGenerator = _a.dateProfileGenerator; 
            var props = this.props; 
            var dayTableModel = this.buildDayTableModel(props.dateProfile, dateProfileGenerator); 
            var headerContent = options.dayHeaders && 
                createElement(DayHeader, { ref: this.headerRef, dateProfile: props.dateProfile, dates: dayTableModel.headerDates, datesRepDistinctDays: dayTableModel.rowCnt === 1 }); 
            var bodyContent = function (contentArg) { return (createElement(DayTable, { ref: _this.tableRef, dateProfile: props.dateProfile, dayTableModel: dayTableModel, businessHours: props.businessHours, dateSelection: props.dateSelection, eventStore: props.eventStore, eventUiBases: props.eventUiBases, eventSelection: props.eventSelection, eventDrag: props.eventDrag, eventResize: props.eventResize, nextDayThreshold: options.nextDayThreshold, colGroupNode: contentArg.tableColGroupNode, tableMinWidth: contentArg.tableMinWidth, dayMaxEvents: options.dayMaxEvents, dayMaxEventRows: options.dayMaxEventRows, showWeekNumbers: options.weekNumbers, expandRows: !props.isHeightAuto, headerAlignElRef: _this.headerElRef, clientWidth: contentArg.clientWidth, clientHeight: contentArg.clientHeight, forPrint: props.forPrint })); }; 
            return options.dayMinWidth 
                ? this.renderHScrollLayout(headerContent, bodyContent, dayTableModel.colCnt, options.dayMinWidth) 
                : this.renderSimpleLayout(headerContent, bodyContent); 
        }; 
        return DayTableView; 
    }(TableView)); 
    function buildDayTableModel(dateProfile, dateProfileGenerator) { 
        var daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator); 
        return new DayTableModel(daySeries, /year|month|week/.test(dateProfile.currentRangeUnit)); 
    } 
 
    var TableDateProfileGenerator = /** @class */ (function (_super) { 
        __extends(TableDateProfileGenerator, _super); 
        function TableDateProfileGenerator() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        // Computes the date range that will be rendered. 
        TableDateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) { 
            var dateEnv = this.props.dateEnv; 
            var renderRange = _super.prototype.buildRenderRange.call(this, currentRange, currentRangeUnit, isRangeAllDay); 
            var start = renderRange.start; 
            var end = renderRange.end; 
            var endOfWeek; 
            // year and month views should be aligned with weeks. this is already done for week 
            if (/^(year|month)$/.test(currentRangeUnit)) { 
                start = dateEnv.startOfWeek(start); 
                // make end-of-week if not already 
                endOfWeek = dateEnv.startOfWeek(end); 
                if (endOfWeek.valueOf() !== end.valueOf()) { 
                    end = addWeeks(endOfWeek, 1); 
                } 
            } 
            // ensure 6 weeks 
            if (this.props.monthMode && 
                this.props.fixedWeekCount) { 
                var rowCnt = Math.ceil(// could be partial weeks due to hiddenDays 
                diffWeeks(start, end)); 
                end = addWeeks(end, 6 - rowCnt); 
            } 
            return { start: start, end: end }; 
        }; 
        return TableDateProfileGenerator; 
    }(DateProfileGenerator)); 
 
    var OPTION_REFINERS = { 
        moreLinkClick: identity, 
        moreLinkClassNames: identity, 
        moreLinkContent: identity, 
        moreLinkDidMount: identity, 
        moreLinkWillUnmount: identity, 
    }; 
 
    var dayGridPlugin = createPlugin({ 
        initialView: 'dayGridMonth', 
        optionRefiners: OPTION_REFINERS, 
        views: { 
            dayGrid: { 
                component: DayTableView, 
                dateProfileGeneratorClass: TableDateProfileGenerator 
            }, 
            dayGridDay: { 
                type: 'dayGrid', 
                duration: { days: 1 } 
            }, 
            dayGridWeek: { 
                type: 'dayGrid', 
                duration: { weeks: 1 } 
            }, 
            dayGridMonth: { 
                type: 'dayGrid', 
                duration: { months: 1 }, 
                monthMode: true, 
                fixedWeekCount: true 
            } 
        } 
    }); 
 
    var AllDaySplitter = /** @class */ (function (_super) { 
        __extends(AllDaySplitter, _super); 
        function AllDaySplitter() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        AllDaySplitter.prototype.getKeyInfo = function () { 
            return { 
                allDay: {}, 
                timed: {} 
            }; 
        }; 
        AllDaySplitter.prototype.getKeysForDateSpan = function (dateSpan) { 
            if (dateSpan.allDay) { 
                return ['allDay']; 
            } 
            else { 
                return ['timed']; 
            } 
        }; 
        AllDaySplitter.prototype.getKeysForEventDef = function (eventDef) { 
            if (!eventDef.allDay) { 
                return ['timed']; 
            } 
            else if (hasBgRendering(eventDef)) { 
                return ['timed', 'allDay']; 
            } 
            else { 
                return ['allDay']; 
            } 
        }; 
        return AllDaySplitter; 
    }(Splitter)); 
 
    var TimeColsSlatsCoords = /** @class */ (function () { 
        function TimeColsSlatsCoords(positions, dateProfile, slatMetas) { 
            this.positions = positions; 
            this.dateProfile = dateProfile; 
            this.slatMetas = slatMetas; 
        } 
        TimeColsSlatsCoords.prototype.safeComputeTop = function (date) { 
            var dateProfile = this.dateProfile; 
            if (rangeContainsMarker(dateProfile.currentRange, date)) { 
                var startOfDayDate = startOfDay(date); 
                var timeMs = date.valueOf() - startOfDayDate.valueOf(); 
                if (timeMs >= asRoughMs(dateProfile.slotMinTime) && 
                    timeMs < asRoughMs(dateProfile.slotMaxTime)) { 
                    return this.computeTimeTop(createDuration(timeMs)); 
                } 
            } 
        }; 
        // Computes the top coordinate, relative to the bounds of the grid, of the given date. 
        // A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight. 
        TimeColsSlatsCoords.prototype.computeDateTop = function (when, startOfDayDate) { 
            if (!startOfDayDate) { 
                startOfDayDate = startOfDay(when); 
            } 
            return this.computeTimeTop(createDuration(when.valueOf() - startOfDayDate.valueOf())); 
        }; 
        // Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration). 
        // This is a makeshify way to compute the time-top. Assumes all slatMetas dates are uniform. 
        // Eventually allow computation with arbirary slat dates. 
        TimeColsSlatsCoords.prototype.computeTimeTop = function (duration) { 
            var _a = this, positions = _a.positions, dateProfile = _a.dateProfile, slatMetas = _a.slatMetas; 
            var len = positions.els.length; 
            var slotDurationMs = slatMetas[1].date.valueOf() - slatMetas[0].date.valueOf(); // we assume dates are uniform 
            var slatCoverage = (duration.milliseconds - asRoughMs(dateProfile.slotMinTime)) / slotDurationMs; // floating-point value of # of slots covered 
            var slatIndex; 
            var slatRemainder; 
            // compute a floating-point number for how many slats should be progressed through. 
            // from 0 to number of slats (inclusive) 
            // constrained because slotMinTime/slotMaxTime might be customized. 
            slatCoverage = Math.max(0, slatCoverage); 
            slatCoverage = Math.min(len, slatCoverage); 
            // an integer index of the furthest whole slat 
            // from 0 to number slats (*exclusive*, so len-1) 
            slatIndex = Math.floor(slatCoverage); 
            slatIndex = Math.min(slatIndex, len - 1); 
            // how much further through the slatIndex slat (from 0.0-1.0) must be covered in addition. 
            // could be 1.0 if slatCoverage is covering *all* the slots 
            slatRemainder = slatCoverage - slatIndex; 
            return positions.tops[slatIndex] + 
                positions.getHeight(slatIndex) * slatRemainder; 
        }; 
        return TimeColsSlatsCoords; 
    }()); 
 
    // potential nice values for the slot-duration and interval-duration 
    // from largest to smallest 
    var STOCK_SUB_DURATIONS = [ 
        { hours: 1 }, 
        { minutes: 30 }, 
        { minutes: 15 }, 
        { seconds: 30 }, 
        { seconds: 15 } 
    ]; 
    /* 
    for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL. 
    */ 
    var TimeColsSlats = /** @class */ (function (_super) { 
        __extends(TimeColsSlats, _super); 
        function TimeColsSlats() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.rootElRef = createRef(); 
            _this.slatElRefs = new RefMap(); 
            return _this; 
        } 
        TimeColsSlats.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            return (createElement("div", { className: 'fc-timegrid-slots', ref: this.rootElRef }, 
                createElement("table", { className: context.theme.getClass('table'), style: { 
                        minWidth: props.tableMinWidth, 
                        width: props.clientWidth, 
                        height: props.minHeight 
                    } }, 
                    props.tableColGroupNode /* relies on there only being a single <col> for the axis */, 
                    createElement(TimeColsSlatsBody, { slatElRefs: this.slatElRefs, axis: props.axis, slatMetas: props.slatMetas })))); 
        }; 
        TimeColsSlats.prototype.componentDidMount = function () { 
            this.updateSizing(); 
        }; 
        TimeColsSlats.prototype.componentDidUpdate = function () { 
            this.updateSizing(); 
        }; 
        TimeColsSlats.prototype.componentWillUnmount = function () { 
            if (this.props.onCoords) { 
                this.props.onCoords(null); 
            } 
        }; 
        TimeColsSlats.prototype.updateSizing = function () { 
            var props = this.props; 
            if (props.onCoords && 
                props.clientWidth !== null // means sizing has stabilized 
            ) { 
                var rootEl = this.rootElRef.current; 
                if (rootEl.offsetHeight) { // not hidden by css 
                    props.onCoords(new TimeColsSlatsCoords(new PositionCache(this.rootElRef.current, collectSlatEls(this.slatElRefs.currentMap, props.slatMetas), false, true // vertical 
                    ), this.props.dateProfile, props.slatMetas)); 
                } 
            } 
        }; 
        return TimeColsSlats; 
    }(BaseComponent)); 
    function collectSlatEls(elMap, slatMetas) { 
        return slatMetas.map(function (slatMeta) { return elMap[slatMeta.key]; }); 
    } 
    var TimeColsSlatsBody = /** @class */ (function (_super) { 
        __extends(TimeColsSlatsBody, _super); 
        function TimeColsSlatsBody() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TimeColsSlatsBody.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var options = context.options; 
            var slatElRefs = props.slatElRefs; 
            return (createElement("tbody", null, props.slatMetas.map(function (slatMeta, i) { 
                var hookProps = { 
                    time: slatMeta.time, 
                    date: context.dateEnv.toDate(slatMeta.date), 
                    view: context.viewApi 
                }; 
                var classNames = [ 
                    'fc-timegrid-slot', 
                    'fc-timegrid-slot-lane', 
                    slatMeta.isLabeled ? '' : 'fc-timegrid-slot-minor' 
                ]; 
                return (createElement("tr", { key: slatMeta.key, ref: slatElRefs.createRef(slatMeta.key) }, 
                    props.axis && 
                        createElement(TimeColsAxisCell, __assign({}, slatMeta)), 
                    createElement(RenderHook, { hookProps: hookProps, classNames: options.slotLaneClassNames, content: options.slotLaneContent, didMount: options.slotLaneDidMount, willUnmount: options.slotLaneWillUnmount }, function (rootElRef, customClassNames, innerElRef, innerContent) { return (createElement("td", { ref: rootElRef, className: classNames.concat(customClassNames).join(' '), "data-time": slatMeta.isoTimeStr }, innerContent)); }))); 
            }))); 
        }; 
        return TimeColsSlatsBody; 
    }(BaseComponent)); 
    var DEFAULT_SLAT_LABEL_FORMAT = createFormatter({ 
        hour: 'numeric', 
        minute: '2-digit', 
        omitZeroMinute: true, 
        meridiem: 'short' 
    }); 
    function TimeColsAxisCell(props) { 
        var classNames = [ 
            'fc-timegrid-slot', 
            'fc-timegrid-slot-label', 
            props.isLabeled ? 'fc-scrollgrid-shrink' : 'fc-timegrid-slot-minor' 
        ]; 
        return (createElement(ViewContextType.Consumer, null, function (context) { 
            if (!props.isLabeled) { 
                return (createElement("td", { className: classNames.join(' '), "data-time": props.isoTimeStr })); 
            } 
            else { 
                var dateEnv = context.dateEnv, options = context.options, viewApi = context.viewApi; 
                var labelFormat = // TODO: fully pre-parse 
                 options.slotLabelFormat == null ? DEFAULT_SLAT_LABEL_FORMAT : 
                    Array.isArray(options.slotLabelFormat) ? createFormatter(options.slotLabelFormat[0]) : 
                        createFormatter(options.slotLabelFormat); 
                var hookProps = { 
                    time: props.time, 
                    date: dateEnv.toDate(props.date), 
                    view: viewApi, 
                    text: dateEnv.format(props.date, labelFormat) 
                }; 
                return (createElement(RenderHook, { hookProps: hookProps, classNames: options.slotLabelClassNames, content: options.slotLabelContent, defaultContent: renderInnerContent$3, didMount: options.slotLabelDidMount, willUnmount: options.slotLabelWillUnmount }, function (rootElRef, customClassNames, innerElRef, innerContent) { return (createElement("td", { ref: rootElRef, className: classNames.concat(customClassNames).join(' '), "data-time": props.isoTimeStr }, 
                    createElement("div", { className: 'fc-timegrid-slot-label-frame fc-scrollgrid-shrink-frame' }, 
                        createElement("div", { className: 'fc-timegrid-slot-label-cushion fc-scrollgrid-shrink-cushion', ref: innerElRef }, innerContent)))); })); 
            } 
        })); 
    } 
    function renderInnerContent$3(props) { 
        return props.text; 
    } 
    function buildSlatMetas(slotMinTime, slotMaxTime, explicitLabelInterval, slotDuration, dateEnv) { 
        var dayStart = new Date(0); 
        var slatTime = slotMinTime; 
        var slatIterator = createDuration(0); 
        var labelInterval = explicitLabelInterval || computeLabelInterval(slotDuration); 
        var metas = []; 
        while (asRoughMs(slatTime) < asRoughMs(slotMaxTime)) { 
            var date = dateEnv.add(dayStart, slatTime); 
            var isLabeled = wholeDivideDurations(slatIterator, labelInterval) !== null; 
            metas.push({ 
                date: date, 
                time: slatTime, 
                key: date.toISOString(), 
                isoTimeStr: formatIsoTimeString(date), 
                isLabeled: isLabeled 
            }); 
            slatTime = addDurations(slatTime, slotDuration); 
            slatIterator = addDurations(slatIterator, slotDuration); 
        } 
        return metas; 
    } 
    // Computes an automatic value for slotLabelInterval 
    function computeLabelInterval(slotDuration) { 
        var i; 
        var labelInterval; 
        var slotsPerLabel; 
        // find the smallest stock label interval that results in more than one slots-per-label 
        for (i = STOCK_SUB_DURATIONS.length - 1; i >= 0; i--) { 
            labelInterval = createDuration(STOCK_SUB_DURATIONS[i]); 
            slotsPerLabel = wholeDivideDurations(labelInterval, slotDuration); 
            if (slotsPerLabel !== null && slotsPerLabel > 1) { 
                return labelInterval; 
            } 
        } 
        return slotDuration; // fall back 
    } 
 
    var DEFAULT_WEEK_NUM_FORMAT$1 = createFormatter({ week: 'short' }); 
    var AUTO_ALL_DAY_MAX_EVENT_ROWS = 5; 
    var TimeColsView = /** @class */ (function (_super) { 
        __extends(TimeColsView, _super); 
        function TimeColsView() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.allDaySplitter = new AllDaySplitter(); // for use by subclasses 
            _this.headerElRef = createRef(); 
            _this.rootElRef = createRef(); 
            _this.scrollerElRef = createRef(); 
            _this.state = { 
                slatCoords: null 
            }; 
            _this.handleScrollTopRequest = function (scrollTop) { 
                var scrollerEl = _this.scrollerElRef.current; 
                if (scrollerEl) { // TODO: not sure how this could ever be null. weirdness with the reducer 
                    scrollerEl.scrollTop = scrollTop; 
                } 
            }; 
            /* Header Render Methods 
            ------------------------------------------------------------------------------------------------------------------*/ 
            _this.renderHeadAxis = function (frameHeight) { 
                if (frameHeight === void 0) { frameHeight = ''; } 
                var options = _this.context.options; 
                var dateProfile = _this.props.dateProfile; 
                var range = dateProfile.renderRange; 
                var dayCnt = diffDays(range.start, range.end); 
                var navLinkAttrs = (options.navLinks && dayCnt === 1) // only do in day views (to avoid doing in week views that dont need it) 
                    ? { 'data-navlink': buildNavLinkData(range.start, 'week'), tabIndex: 0 } 
                    : {}; 
                if (options.weekNumbers) { 
                    return (createElement(WeekNumberRoot, { date: range.start, defaultFormat: DEFAULT_WEEK_NUM_FORMAT$1 }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("th", { ref: rootElRef, className: [ 
                            'fc-timegrid-axis', 
                            'fc-scrollgrid-shrink' 
                        ].concat(classNames).join(' ') }, 
                        createElement("div", { className: 'fc-timegrid-axis-frame fc-scrollgrid-shrink-frame fc-timegrid-axis-frame-liquid', style: { height: frameHeight } }, 
                            createElement("a", __assign({ ref: innerElRef, className: 'fc-timegrid-axis-cushion fc-scrollgrid-shrink-cushion' }, navLinkAttrs), innerContent)))); })); 
                } 
                return (createElement("th", { className: 'fc-timegrid-axis' }, 
                    createElement("div", { className: 'fc-timegrid-axis-frame', style: { height: frameHeight } }))); 
            }; 
            /* Table Component Render Methods 
            ------------------------------------------------------------------------------------------------------------------*/ 
            // only a one-way height sync. we don't send the axis inner-content height to the DayGrid, 
            // but DayGrid still needs to have classNames on inner elements in order to measure. 
            _this.renderTableRowAxis = function (rowHeight) { 
                var _a = _this.context, options = _a.options, viewApi = _a.viewApi; 
                var hookProps = { 
                    text: options.allDayText, 
                    view: viewApi 
                }; 
                return ( 
                // TODO: make reusable hook. used in list view too 
                createElement(RenderHook, { hookProps: hookProps, classNames: options.allDayClassNames, content: options.allDayContent, defaultContent: renderAllDayInner, didMount: options.allDayDidMount, willUnmount: options.allDayWillUnmount }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("td", { ref: rootElRef, className: [ 
                        'fc-timegrid-axis', 
                        'fc-scrollgrid-shrink' 
                    ].concat(classNames).join(' ') }, 
                    createElement("div", { className: 'fc-timegrid-axis-frame fc-scrollgrid-shrink-frame' + (rowHeight == null ? ' fc-timegrid-axis-frame-liquid' : ''), style: { height: rowHeight } }, 
                        createElement("span", { className: 'fc-timegrid-axis-cushion fc-scrollgrid-shrink-cushion', ref: innerElRef }, innerContent)))); })); 
            }; 
            _this.handleSlatCoords = function (slatCoords) { 
                _this.setState({ slatCoords: slatCoords }); 
            }; 
            return _this; 
        } 
        // rendering 
        // ---------------------------------------------------------------------------------------------------- 
        TimeColsView.prototype.renderSimpleLayout = function (headerRowContent, allDayContent, timeContent) { 
            var _a = this, context = _a.context, props = _a.props; 
            var sections = []; 
            var stickyHeaderDates = getStickyHeaderDates(context.options); 
            if (headerRowContent) { 
                sections.push({ 
                    type: 'header', 
                    key: 'header', 
                    isSticky: stickyHeaderDates, 
                    chunk: { 
                        elRef: this.headerElRef, 
                        tableClassName: 'fc-col-header', 
                        rowContent: headerRowContent 
                    } 
                }); 
            } 
            if (allDayContent) { 
                sections.push({ 
                    type: 'body', 
                    key: 'all-day', 
                    chunk: { content: allDayContent } 
                }); 
                sections.push({ 
                    type: 'body', 
                    key: 'all-day-divider', 
                    outerContent: ( // TODO: rename to cellContent so don't need to define <tr>? 
                    createElement("tr", { className: 'fc-scrollgrid-section' }, 
                        createElement("td", { className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded') }))) 
                }); 
            } 
            sections.push({ 
                type: 'body', 
                key: 'body', 
                liquid: true, 
                expandRows: Boolean(context.options.expandRows), 
                chunk: { 
                    scrollerElRef: this.scrollerElRef, 
                    content: timeContent 
                } 
            }); 
            return (createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.rootElRef }, function (rootElRef, classNames) { return (createElement("div", { className: ['fc-timegrid'].concat(classNames).join(' '), ref: rootElRef }, 
                createElement(SimpleScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, cols: [{ width: 'shrink' }], sections: sections }))); })); 
        }; 
        TimeColsView.prototype.renderHScrollLayout = function (headerRowContent, allDayContent, timeContent, colCnt, dayMinWidth, slatMetas, slatCoords // yuck 
        ) { 
            var _this = this; 
            var ScrollGrid = this.context.pluginHooks.scrollGridImpl; 
            if (!ScrollGrid) { 
                throw new Error('No ScrollGrid implementation'); 
            } 
            var _a = this, context = _a.context, props = _a.props; 
            var stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options); 
            var stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options); 
            var sections = []; 
            if (headerRowContent) { 
                sections.push({ 
                    type: 'header', 
                    key: 'header', 
                    isSticky: stickyHeaderDates, 
                    syncRowHeights: true, 
                    chunks: [ 
                        { 
                            key: 'axis', 
                            rowContent: function (arg) { return (createElement("tr", null, _this.renderHeadAxis(arg.rowSyncHeights[0]))); } 
                        }, 
                        { 
                            key: 'cols', 
                            elRef: this.headerElRef, 
                            tableClassName: 'fc-col-header', 
                            rowContent: headerRowContent 
                        } 
                    ] 
                }); 
            } 
            if (allDayContent) { 
                sections.push({ 
                    type: 'body', 
                    key: 'all-day', 
                    syncRowHeights: true, 
                    chunks: [ 
                        { 
                            key: 'axis', 
                            rowContent: function (contentArg) { return (createElement("tr", null, _this.renderTableRowAxis(contentArg.rowSyncHeights[0]))); }, 
                        }, 
                        { 
                            key: 'cols', 
                            content: allDayContent 
                        } 
                    ] 
                }); 
                sections.push({ 
                    key: 'all-day-divider', 
                    type: 'body', 
                    outerContent: ( // TODO: rename to cellContent so don't need to define <tr>? 
                    createElement("tr", { className: 'fc-scrollgrid-section' }, 
                        createElement("td", { colSpan: 2, className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded') }))) 
                }); 
            } 
            var isNowIndicator = context.options.nowIndicator; 
            sections.push({ 
                type: 'body', 
                key: 'body', 
                liquid: true, 
                expandRows: Boolean(context.options.expandRows), 
                chunks: [ 
                    { 
                        key: 'axis', 
                        content: function (arg) { 
                            // TODO: make this now-indicator arrow more DRY with TimeColsContent 
                            return (createElement("div", { className: 'fc-timegrid-axis-chunk' }, 
                                createElement("table", null, 
                                    arg.tableColGroupNode, 
                                    createElement("tbody", null, 
                                        createElement(TimeBodyAxis, { slatMetas: slatMetas }))), 
                                createElement("div", { className: 'fc-timegrid-now-indicator-container' }, 
                                    createElement(NowTimer, { unit: isNowIndicator ? 'minute' : 'day' /* hacky */ }, function (nowDate) { 
                                        var nowIndicatorTop = isNowIndicator && 
                                            slatCoords && 
                                            slatCoords.safeComputeTop(nowDate); // might return void 
                                        if (typeof nowIndicatorTop === 'number') { 
                                            return (createElement(NowIndicatorRoot, { isAxis: true, date: nowDate }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("div", { ref: rootElRef, className: ['fc-timegrid-now-indicator-arrow'].concat(classNames).join(' '), style: { top: nowIndicatorTop } }, innerContent)); })); 
                                        } 
                                    })))); 
                        } 
                    }, 
                    { 
                        key: 'cols', 
                        scrollerElRef: this.scrollerElRef, 
                        content: timeContent 
                    } 
                ] 
            }); 
            if (stickyFooterScrollbar) { 
                sections.push({ 
                    key: 'footer', 
                    type: 'footer', 
                    isSticky: true, 
                    chunks: [ 
                        { 
                            key: 'axis', 
                            content: renderScrollShim 
                        }, 
                        { 
                            key: 'cols', 
                            content: renderScrollShim 
                        } 
                    ] 
                }); 
            } 
            return (createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.rootElRef }, function (rootElRef, classNames) { return (createElement("div", { className: ['fc-timegrid'].concat(classNames).join(' '), ref: rootElRef }, 
                createElement(ScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, colGroups: [ 
                        { width: 'shrink', cols: [{ width: 'shrink' }] }, 
                        { cols: [{ span: colCnt, minWidth: dayMinWidth }] } 
                    ], sections: sections }))); })); 
        }; 
        /* Dimensions 
        ------------------------------------------------------------------------------------------------------------------*/ 
        TimeColsView.prototype.getAllDayMaxEventProps = function () { 
            var _a = this.context.options, dayMaxEvents = _a.dayMaxEvents, dayMaxEventRows = _a.dayMaxEventRows; 
            if (dayMaxEvents === true || dayMaxEventRows === true) { // is auto? 
                dayMaxEvents = undefined; 
                dayMaxEventRows = AUTO_ALL_DAY_MAX_EVENT_ROWS; // make sure "auto" goes to a real number 
            } 
            return { dayMaxEvents: dayMaxEvents, dayMaxEventRows: dayMaxEventRows }; 
        }; 
        return TimeColsView; 
    }(DateComponent)); 
    function renderAllDayInner(hookProps) { 
        return hookProps.text; 
    } 
    var TimeBodyAxis = /** @class */ (function (_super) { 
        __extends(TimeBodyAxis, _super); 
        function TimeBodyAxis() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TimeBodyAxis.prototype.render = function () { 
            return this.props.slatMetas.map(function (slatMeta) { return (createElement("tr", { key: slatMeta.key }, 
                createElement(TimeColsAxisCell, __assign({}, slatMeta)))); }); 
        }; 
        return TimeBodyAxis; 
    }(BaseComponent)); 
 
    function splitSegsByCol(segs, colCnt) { 
        var segsByCol = []; 
        var i; 
        for (i = 0; i < colCnt; i++) { 
            segsByCol.push([]); 
        } 
        if (segs) { 
            for (i = 0; i < segs.length; i++) { 
                segsByCol[segs[i].col].push(segs[i]); 
            } 
        } 
        return segsByCol; 
    } 
    function splitInteractionByCol(ui, colCnt) { 
        var byRow = []; 
        if (!ui) { 
            for (var i = 0; i < colCnt; i++) { 
                byRow[i] = null; 
            } 
        } 
        else { 
            for (var i = 0; i < colCnt; i++) { 
                byRow[i] = { 
                    affectedInstances: ui.affectedInstances, 
                    isEvent: ui.isEvent, 
                    segs: [] 
                }; 
            } 
            for (var _i = 0, _a = ui.segs; _i < _a.length; _i++) { 
                var seg = _a[_i]; 
                byRow[seg.col].segs.push(seg); 
            } 
        } 
        return byRow; 
    } 
 
    // UNFORTUNATELY, assigns results to the top/bottom/level/forwardCoord/backwardCoord props of the actual segs. 
    // TODO: return hash (by instanceId) of results 
    function computeSegCoords(segs, dayDate, slatCoords, eventMinHeight, eventOrderSpecs) { 
        computeSegVerticals(segs, dayDate, slatCoords, eventMinHeight); 
        return computeSegHorizontals(segs, eventOrderSpecs); // requires top/bottom from computeSegVerticals 
    } 
    // For each segment in an array, computes and assigns its top and bottom properties 
    function computeSegVerticals(segs, dayDate, slatCoords, eventMinHeight) { 
        for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) { 
            var seg = segs_1[_i]; 
            seg.top = slatCoords.computeDateTop(seg.start, dayDate); 
            seg.bottom = Math.max(seg.top + (eventMinHeight || 0), // yuck 
            slatCoords.computeDateTop(seg.end, dayDate)); 
        } 
    } 
    // Given an array of segments that are all in the same column, sets the backwardCoord and forwardCoord on each. 
    // Assumed the segs are already ordered. 
    // NOTE: Also reorders the given array by date! 
    function computeSegHorizontals(segs, eventOrderSpecs) { 
        // IMPORTANT TO CLEAR OLD RESULTS :( 
        for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) { 
            var seg = segs_2[_i]; 
            seg.level = null; 
            seg.forwardCoord = null; 
            seg.backwardCoord = null; 
            seg.forwardPressure = null; 
        } 
        segs = sortEventSegs(segs, eventOrderSpecs); 
        var level0; 
        var levels = buildSlotSegLevels(segs); 
        computeForwardSlotSegs(levels); 
        if ((level0 = levels[0])) { 
            for (var _a = 0, level0_1 = level0; _a < level0_1.length; _a++) { 
                var seg = level0_1[_a]; 
                computeSlotSegPressures(seg); 
            } 
            for (var _b = 0, level0_2 = level0; _b < level0_2.length; _b++) { 
                var seg = level0_2[_b]; 
                computeSegForwardBack(seg, 0, 0, eventOrderSpecs); 
            } 
        } 
        return segs; 
    } 
    // Builds an array of segments "levels". The first level will be the leftmost tier of segments if the calendar is 
    // left-to-right, or the rightmost if the calendar is right-to-left. Assumes the segments are already ordered by date. 
    function buildSlotSegLevels(segs) { 
        var levels = []; 
        var i; 
        var seg; 
        var j; 
        for (i = 0; i < segs.length; i++) { 
            seg = segs[i]; 
            // go through all the levels and stop on the first level where there are no collisions 
            for (j = 0; j < levels.length; j++) { 
                if (!computeSlotSegCollisions(seg, levels[j]).length) { 
                    break; 
                } 
            } 
            seg.level = j; 
            (levels[j] || (levels[j] = [])).push(seg); 
        } 
        return levels; 
    } 
    // Find all the segments in `otherSegs` that vertically collide with `seg`. 
    // Append into an optionally-supplied `results` array and return. 
    function computeSlotSegCollisions(seg, otherSegs, results) { 
        if (results === void 0) { results = []; } 
        for (var i = 0; i < otherSegs.length; i++) { 
            if (isSlotSegCollision(seg, otherSegs[i])) { 
                results.push(otherSegs[i]); 
            } 
        } 
        return results; 
    } 
    // Do these segments occupy the same vertical space? 
    function isSlotSegCollision(seg1, seg2) { 
        return seg1.bottom > seg2.top && seg1.top < seg2.bottom; 
    } 
    // For every segment, figure out the other segments that are in subsequent 
    // levels that also occupy the same vertical space. Accumulate in seg.forwardSegs 
    function computeForwardSlotSegs(levels) { 
        var i; 
        var level; 
        var j; 
        var seg; 
        var k; 
        for (i = 0; i < levels.length; i++) { 
            level = levels[i]; 
            for (j = 0; j < level.length; j++) { 
                seg = level[j]; 
                seg.forwardSegs = []; 
                for (k = i + 1; k < levels.length; k++) { 
                    computeSlotSegCollisions(seg, levels[k], seg.forwardSegs); 
                } 
            } 
        } 
    } 
    // Figure out which path forward (via seg.forwardSegs) results in the longest path until 
    // the furthest edge is reached. The number of segments in this path will be seg.forwardPressure 
    function computeSlotSegPressures(seg) { 
        var forwardSegs = seg.forwardSegs; 
        var forwardPressure = 0; 
        var i; 
        var forwardSeg; 
        if (seg.forwardPressure == null) { // not already computed 
            for (i = 0; i < forwardSegs.length; i++) { 
                forwardSeg = forwardSegs[i]; 
                // figure out the child's maximum forward path 
                computeSlotSegPressures(forwardSeg); 
                // either use the existing maximum, or use the child's forward pressure 
                // plus one (for the forwardSeg itself) 
                forwardPressure = Math.max(forwardPressure, 1 + forwardSeg.forwardPressure); 
            } 
            seg.forwardPressure = forwardPressure; 
        } 
    } 
    // Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range 
    // from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and 
    // seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left. 
    // 
    // The segment might be part of a "series", which means consecutive segments with the same pressure 
    // who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of 
    // segments behind this one in the current series, and `seriesBackwardCoord` is the starting 
    // coordinate of the first segment in the series. 
    function computeSegForwardBack(seg, seriesBackwardPressure, seriesBackwardCoord, eventOrderSpecs) { 
        var forwardSegs = seg.forwardSegs; 
        var i; 
        if (seg.forwardCoord == null) { // not already computed 
            if (!forwardSegs.length) { 
                // if there are no forward segments, this segment should butt up against the edge 
                seg.forwardCoord = 1; 
            } 
            else { 
                // sort highest pressure first 
                sortForwardSegs(forwardSegs, eventOrderSpecs); 
                // this segment's forwardCoord will be calculated from the backwardCoord of the 
                // highest-pressure forward segment. 
                computeSegForwardBack(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord, eventOrderSpecs); 
                seg.forwardCoord = forwardSegs[0].backwardCoord; 
            } 
            // calculate the backwardCoord from the forwardCoord. consider the series 
            seg.backwardCoord = seg.forwardCoord - 
                (seg.forwardCoord - seriesBackwardCoord) / // available width for series 
                    (seriesBackwardPressure + 1); // # of segments in the series 
            // use this segment's coordinates to computed the coordinates of the less-pressurized 
            // forward segments 
            for (i = 0; i < forwardSegs.length; i++) { 
                computeSegForwardBack(forwardSegs[i], 0, seg.forwardCoord, eventOrderSpecs); 
            } 
        } 
    } 
    function sortForwardSegs(forwardSegs, eventOrderSpecs) { 
        var objs = forwardSegs.map(buildTimeGridSegCompareObj); 
        var specs = [ 
            // put higher-pressure first 
            { field: 'forwardPressure', order: -1 }, 
            // put segments that are closer to initial edge first (and favor ones with no coords yet) 
            { field: 'backwardCoord', order: 1 } 
        ].concat(eventOrderSpecs); 
        objs.sort(function (obj0, obj1) { 
            return compareByFieldSpecs(obj0, obj1, specs); 
        }); 
        return objs.map(function (c) { 
            return c._seg; 
        }); 
    } 
    function buildTimeGridSegCompareObj(seg) { 
        var obj = buildSegCompareObj(seg); 
        obj.forwardPressure = seg.forwardPressure; 
        obj.backwardCoord = seg.backwardCoord; 
        return obj; 
    } 
 
    var DEFAULT_TIME_FORMAT = createFormatter({ 
        hour: 'numeric', 
        minute: '2-digit', 
        meridiem: false 
    }); 
    var TimeColEvent = /** @class */ (function (_super) { 
        __extends(TimeColEvent, _super); 
        function TimeColEvent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TimeColEvent.prototype.render = function () { 
            var classNames = [ 
                'fc-timegrid-event', 
                'fc-v-event' 
            ]; 
            if (this.props.isCondensed) { 
                classNames.push('fc-timegrid-event-condensed'); 
            } 
            return (createElement(StandardEvent, __assign({}, this.props, { defaultTimeFormat: DEFAULT_TIME_FORMAT, extraClassNames: classNames }))); 
        }; 
        return TimeColEvent; 
    }(BaseComponent)); 
 
    config.timeGridEventCondensedHeight = 30; 
    var TimeCol = /** @class */ (function (_super) { 
        __extends(TimeCol, _super); 
        function TimeCol() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TimeCol.prototype.render = function () { 
            var _this = this; 
            var _a = this, props = _a.props, context = _a.context; 
            var isSelectMirror = context.options.selectMirror; 
            var mirrorSegs = (props.eventDrag && props.eventDrag.segs) || 
                (props.eventResize && props.eventResize.segs) || 
                (isSelectMirror && props.dateSelectionSegs) || 
                []; 
            var interactionAffectedInstances = // TODO: messy way to compute this 
             (props.eventDrag && props.eventDrag.affectedInstances) || 
                (props.eventResize && props.eventResize.affectedInstances) || 
                {}; 
            return (createElement(DayCellRoot, { elRef: props.elRef, date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, extraHookProps: props.extraHookProps }, function (rootElRef, classNames, dataAttrs) { return (createElement("td", __assign({ ref: rootElRef, className: ['fc-timegrid-col'].concat(classNames, props.extraClassNames || []).join(' ') }, dataAttrs, props.extraDataAttrs), 
                createElement("div", { className: 'fc-timegrid-col-frame' }, 
                    createElement("div", { className: 'fc-timegrid-col-bg' }, 
                        _this.renderFillSegs(props.businessHourSegs, 'non-business'), 
                        _this.renderFillSegs(props.bgEventSegs, 'bg-event'), 
                        _this.renderFillSegs(props.dateSelectionSegs, 'highlight')), 
                    createElement("div", { className: 'fc-timegrid-col-events' }, _this.renderFgSegs(props.fgEventSegs, interactionAffectedInstances)), 
                    createElement("div", { className: 'fc-timegrid-col-events' }, _this.renderFgSegs(mirrorSegs, {}, Boolean(props.eventDrag), Boolean(props.eventResize), Boolean(isSelectMirror) 
                    // TODO: pass in left/right instead of using only computeSegTopBottomCss 
                    )), 
                    createElement("div", { className: 'fc-timegrid-now-indicator-container' }, _this.renderNowIndicator(props.nowIndicatorSegs)), 
                    createElement(TimeColMisc, { date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, extraHookProps: props.extraHookProps })))); })); 
        }; 
        TimeCol.prototype.renderFgSegs = function (segs, segIsInvisible, isDragging, isResizing, isDateSelecting) { 
            var props = this.props; 
            if (props.forPrint) { 
                return this.renderPrintFgSegs(segs); 
            } 
            else if (props.slatCoords) { 
                return this.renderPositionedFgSegs(segs, segIsInvisible, isDragging, isResizing, isDateSelecting); 
            } 
        }; 
        TimeCol.prototype.renderPrintFgSegs = function (segs) { 
            var props = this.props; 
            return segs.map(function (seg) { return (createElement("div", { className: 'fc-timegrid-event-harness', key: seg.eventRange.instance.instanceId }, 
                createElement(TimeColEvent, __assign({ seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: false, isCondensed: false }, getSegMeta(seg, props.todayRange, props.nowDate))))); }); 
        }; 
        TimeCol.prototype.renderPositionedFgSegs = function (segs, segIsInvisible, isDragging, isResizing, isDateSelecting) { 
            var _this = this; 
            var _a = this, context = _a.context, props = _a.props; 
            // assigns TO THE SEGS THEMSELVES 
            // also, receives resorted array 
            segs = computeSegCoords(segs, props.date, props.slatCoords, context.options.eventMinHeight, context.options.eventOrder); 
            return segs.map(function (seg) { 
                var instanceId = seg.eventRange.instance.instanceId; 
                var isMirror = isDragging || isResizing || isDateSelecting; 
                var positionCss = isMirror ? __assign({ left: 0, right: 0 }, _this.computeSegTopBottomCss(seg)) : 
                    _this.computeFgSegPositionCss(seg); 
                return (createElement("div", { className: 'fc-timegrid-event-harness' + (seg.level > 0 ? ' fc-timegrid-event-harness-inset' : ''), key: instanceId, style: __assign({ visibility: segIsInvisible[instanceId] ? 'hidden' : '' }, positionCss) }, 
                    createElement(TimeColEvent, __assign({ seg: seg, isDragging: isDragging, isResizing: isResizing, isDateSelecting: isDateSelecting, isSelected: instanceId === props.eventSelection, isCondensed: (seg.bottom - seg.top) < config.timeGridEventCondensedHeight }, getSegMeta(seg, props.todayRange, props.nowDate))))); 
            }); 
        }; 
        TimeCol.prototype.renderFillSegs = function (segs, fillType) { 
            var _this = this; 
            var _a = this, context = _a.context, props = _a.props; 
            if (!props.slatCoords) { 
                return; 
            } 
            // BAD: assigns TO THE SEGS THEMSELVES 
            computeSegVerticals(segs, props.date, props.slatCoords, context.options.eventMinHeight); 
            var children = segs.map(function (seg) { return (createElement("div", { key: buildEventRangeKey(seg.eventRange), className: 'fc-timegrid-bg-harness', style: _this.computeSegTopBottomCss(seg) }, fillType === 'bg-event' ? 
                createElement(BgEvent, __assign({ seg: seg }, getSegMeta(seg, props.todayRange, props.nowDate))) : 
                renderFill(fillType))); }); 
            return createElement(Fragment, null, children); 
        }; 
        TimeCol.prototype.renderNowIndicator = function (segs) { 
            var _a = this.props, slatCoords = _a.slatCoords, date = _a.date; 
            if (!slatCoords) { 
                return; 
            } 
            return segs.map(function (seg, i) { return (createElement(NowIndicatorRoot, { isAxis: false, date: date, key: i /* key doesn't matter. will only ever be one */ }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("div", { ref: rootElRef, className: ['fc-timegrid-now-indicator-line'].concat(classNames).join(' '), style: { top: slatCoords.computeDateTop(seg.start, date) } }, innerContent)); })); }); 
        }; 
        TimeCol.prototype.computeFgSegPositionCss = function (seg) { 
            var _a = this.context, isRtl = _a.isRtl, options = _a.options; 
            var shouldOverlap = options.slotEventOverlap; 
            var backwardCoord = seg.backwardCoord; // the left side if LTR. the right side if RTL. floating-point 
            var forwardCoord = seg.forwardCoord; // the right side if LTR. the left side if RTL. floating-point 
            var left; // amount of space from left edge, a fraction of the total width 
            var right; // amount of space from right edge, a fraction of the total width 
            if (shouldOverlap) { 
                // double the width, but don't go beyond the maximum forward coordinate (1.0) 
                forwardCoord = Math.min(1, backwardCoord + (forwardCoord - backwardCoord) * 2); 
            } 
            if (isRtl) { 
                left = 1 - forwardCoord; 
                right = backwardCoord; 
            } 
            else { 
                left = backwardCoord; 
                right = 1 - forwardCoord; 
            } 
            var props = { 
                zIndex: seg.level + 1, 
                left: left * 100 + '%', 
                right: right * 100 + '%' 
            }; 
            if (shouldOverlap && seg.forwardPressure) { 
                // add padding to the edge so that forward stacked events don't cover the resizer's icon 
                props[isRtl ? 'marginLeft' : 'marginRight'] = 10 * 2; // 10 is a guesstimate of the icon's width 
            } 
            return __assign(__assign({}, props), this.computeSegTopBottomCss(seg)); 
        }; 
        TimeCol.prototype.computeSegTopBottomCss = function (seg) { 
            return { 
                top: seg.top, 
                bottom: -seg.bottom 
            }; 
        }; 
        return TimeCol; 
    }(BaseComponent)); 
    var TimeColMisc = /** @class */ (function (_super) { 
        __extends(TimeColMisc, _super); 
        function TimeColMisc() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        TimeColMisc.prototype.render = function () { 
            var props = this.props; 
            return (createElement(DayCellContent, { date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, extraHookProps: props.extraHookProps }, function (innerElRef, innerContent) { return (innerContent && 
                createElement("div", { className: 'fc-timegrid-col-misc', ref: innerElRef }, innerContent)); })); 
        }; 
        return TimeColMisc; 
    }(BaseComponent)); 
 
    var TimeColsContent = /** @class */ (function (_super) { 
        __extends(TimeColsContent, _super); 
        function TimeColsContent() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.splitFgEventSegs = memoize(splitSegsByCol); 
            _this.splitBgEventSegs = memoize(splitSegsByCol); 
            _this.splitBusinessHourSegs = memoize(splitSegsByCol); 
            _this.splitNowIndicatorSegs = memoize(splitSegsByCol); 
            _this.splitDateSelectionSegs = memoize(splitSegsByCol); 
            _this.splitEventDrag = memoize(splitInteractionByCol); 
            _this.splitEventResize = memoize(splitInteractionByCol); 
            _this.rootElRef = createRef(); 
            _this.cellElRefs = new RefMap(); 
            return _this; 
        } 
        TimeColsContent.prototype.render = function () { 
            var _this = this; 
            var _a = this, props = _a.props, context = _a.context; 
            var nowIndicatorTop = context.options.nowIndicator && 
                props.slatCoords && 
                props.slatCoords.safeComputeTop(props.nowDate); // might return void 
            var colCnt = props.cells.length; 
            var fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, colCnt); 
            var bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, colCnt); 
            var businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, colCnt); 
            var nowIndicatorSegsByRow = this.splitNowIndicatorSegs(props.nowIndicatorSegs, colCnt); 
            var dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, colCnt); 
            var eventDragByRow = this.splitEventDrag(props.eventDrag, colCnt); 
            var eventResizeByRow = this.splitEventResize(props.eventResize, colCnt); 
            return (createElement("div", { className: 'fc-timegrid-cols', ref: this.rootElRef }, 
                createElement("table", { style: { 
                        minWidth: props.tableMinWidth, 
                        width: props.clientWidth 
                    } }, 
                    props.tableColGroupNode, 
                    createElement("tbody", null, 
                        createElement("tr", null, 
                            props.axis && 
                                createElement("td", { className: 'fc-timegrid-col fc-timegrid-axis' }, 
                                    createElement("div", { className: 'fc-timegrid-col-frame' }, 
                                        createElement("div", { className: 'fc-timegrid-now-indicator-container' }, typeof nowIndicatorTop === 'number' && 
                                            createElement(NowIndicatorRoot, { isAxis: true, date: props.nowDate }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("div", { ref: rootElRef, className: ['fc-timegrid-now-indicator-arrow'].concat(classNames).join(' '), style: { top: nowIndicatorTop } }, innerContent)); })))), 
                            props.cells.map(function (cell, i) { return (createElement(TimeCol, { key: cell.key, elRef: _this.cellElRefs.createRef(cell.key), dateProfile: props.dateProfile, date: cell.date, nowDate: props.nowDate, todayRange: props.todayRange, extraHookProps: cell.extraHookProps, extraDataAttrs: cell.extraDataAttrs, extraClassNames: cell.extraClassNames, fgEventSegs: fgEventSegsByRow[i], bgEventSegs: bgEventSegsByRow[i], businessHourSegs: businessHourSegsByRow[i], nowIndicatorSegs: nowIndicatorSegsByRow[i], dateSelectionSegs: dateSelectionSegsByRow[i], eventDrag: eventDragByRow[i], eventResize: eventResizeByRow[i], slatCoords: props.slatCoords, eventSelection: props.eventSelection, forPrint: props.forPrint })); })))))); 
        }; 
        TimeColsContent.prototype.componentDidMount = function () { 
            this.updateCoords(); 
        }; 
        TimeColsContent.prototype.componentDidUpdate = function () { 
            this.updateCoords(); 
        }; 
        TimeColsContent.prototype.updateCoords = function () { 
            var props = this.props; 
            if (props.onColCoords && 
                props.clientWidth !== null // means sizing has stabilized 
            ) { 
                props.onColCoords(new PositionCache(this.rootElRef.current, collectCellEls(this.cellElRefs.currentMap, props.cells), true, // horizontal 
                false)); 
            } 
        }; 
        return TimeColsContent; 
    }(BaseComponent)); 
    function collectCellEls(elMap, cells) { 
        return cells.map(function (cell) { return elMap[cell.key]; }); 
    } 
 
    /* A component that renders one or more columns of vertical time slots 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    var TimeCols = /** @class */ (function (_super) { 
        __extends(TimeCols, _super); 
        function TimeCols() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.processSlotOptions = memoize(processSlotOptions); 
            _this.state = { 
                slatCoords: null 
            }; 
            _this.handleScrollRequest = function (request) { 
                var onScrollTopRequest = _this.props.onScrollTopRequest; 
                var slatCoords = _this.state.slatCoords; 
                if (onScrollTopRequest && slatCoords) { 
                    if (request.time) { 
                        var top_1 = slatCoords.computeTimeTop(request.time); 
                        top_1 = Math.ceil(top_1); // zoom can give weird floating-point values. rather scroll a little bit further 
                        if (top_1) { 
                            top_1++; 
                        } // to overcome top border that slots beyond the first have. looks better 
                        onScrollTopRequest(top_1); 
                    } 
                    return true; 
                } 
            }; 
            _this.handleColCoords = function (colCoords) { 
                _this.colCoords = colCoords; 
            }; 
            _this.handleSlatCoords = function (slatCoords) { 
                _this.setState({ slatCoords: slatCoords }); 
                if (_this.props.onSlatCoords) { 
                    _this.props.onSlatCoords(slatCoords); 
                } 
            }; 
            return _this; 
        } 
        TimeCols.prototype.render = function () { 
            var _a = this, props = _a.props, state = _a.state; 
            return (createElement("div", { className: 'fc-timegrid-body', ref: props.rootElRef, style: { 
                    // these props are important to give this wrapper correct dimensions for interactions 
                    // TODO: if we set it here, can we avoid giving to inner tables? 
                    width: props.clientWidth, 
                    minWidth: props.tableMinWidth 
                } }, 
                createElement(TimeColsSlats, { axis: props.axis, dateProfile: props.dateProfile, slatMetas: props.slatMetas, clientWidth: props.clientWidth, minHeight: props.expandRows ? props.clientHeight : '', tableMinWidth: props.tableMinWidth, tableColGroupNode: props.axis ? props.tableColGroupNode : null /* axis depends on the colgroup's shrinking */, onCoords: this.handleSlatCoords }), 
                createElement(TimeColsContent, { cells: props.cells, axis: props.axis, dateProfile: props.dateProfile, businessHourSegs: props.businessHourSegs, bgEventSegs: props.bgEventSegs, fgEventSegs: props.fgEventSegs, dateSelectionSegs: props.dateSelectionSegs, eventSelection: props.eventSelection, eventDrag: props.eventDrag, eventResize: props.eventResize, todayRange: props.todayRange, nowDate: props.nowDate, nowIndicatorSegs: props.nowIndicatorSegs, clientWidth: props.clientWidth, tableMinWidth: props.tableMinWidth, tableColGroupNode: props.tableColGroupNode, slatCoords: state.slatCoords, onColCoords: this.handleColCoords, forPrint: props.forPrint }))); 
        }; 
        TimeCols.prototype.componentDidMount = function () { 
            this.scrollResponder = this.context.createScrollResponder(this.handleScrollRequest); 
        }; 
        TimeCols.prototype.componentDidUpdate = function (prevProps) { 
            this.scrollResponder.update(prevProps.dateProfile !== this.props.dateProfile); 
        }; 
        TimeCols.prototype.componentWillUnmount = function () { 
            this.scrollResponder.detach(); 
        }; 
        TimeCols.prototype.positionToHit = function (positionLeft, positionTop) { 
            var _a = this.context, dateEnv = _a.dateEnv, options = _a.options; 
            var colCoords = this.colCoords; 
            var dateProfile = this.props.dateProfile; 
            var slatCoords = this.state.slatCoords; 
            var _b = this.processSlotOptions(this.props.slotDuration, options.snapDuration), snapDuration = _b.snapDuration, snapsPerSlot = _b.snapsPerSlot; 
            var colIndex = colCoords.leftToIndex(positionLeft); 
            var slatIndex = slatCoords.positions.topToIndex(positionTop); 
            if (colIndex != null && slatIndex != null) { 
                var slatTop = slatCoords.positions.tops[slatIndex]; 
                var slatHeight = slatCoords.positions.getHeight(slatIndex); 
                var partial = (positionTop - slatTop) / slatHeight; // floating point number between 0 and 1 
                var localSnapIndex = Math.floor(partial * snapsPerSlot); // the snap # relative to start of slat 
                var snapIndex = slatIndex * snapsPerSlot + localSnapIndex; 
                var dayDate = this.props.cells[colIndex].date; 
                var time = addDurations(dateProfile.slotMinTime, multiplyDuration(snapDuration, snapIndex)); 
                var start = dateEnv.add(dayDate, time); 
                var end = dateEnv.add(start, snapDuration); 
                return { 
                    col: colIndex, 
                    dateSpan: { 
                        range: { start: start, end: end }, 
                        allDay: false 
                    }, 
                    dayEl: colCoords.els[colIndex], 
                    relativeRect: { 
                        left: colCoords.lefts[colIndex], 
                        right: colCoords.rights[colIndex], 
                        top: slatTop, 
                        bottom: slatTop + slatHeight 
                    } 
                }; 
            } 
        }; 
        return TimeCols; 
    }(BaseComponent)); 
    function processSlotOptions(slotDuration, snapDurationOverride) { 
        var snapDuration = snapDurationOverride || slotDuration; 
        var snapsPerSlot = wholeDivideDurations(slotDuration, snapDuration); 
        if (snapsPerSlot === null) { 
            snapDuration = slotDuration; 
            snapsPerSlot = 1; 
            // TODO: say warning? 
        } 
        return { snapDuration: snapDuration, snapsPerSlot: snapsPerSlot }; 
    } 
 
    var DayTimeCols = /** @class */ (function (_super) { 
        __extends(DayTimeCols, _super); 
        function DayTimeCols() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.buildDayRanges = memoize(buildDayRanges); 
            _this.slicer = new DayTimeColsSlicer(); 
            _this.timeColsRef = createRef(); 
            _this.handleRootEl = function (rootEl) { 
                if (rootEl) { 
                    _this.context.registerInteractiveComponent(_this, { el: rootEl }); 
                } 
                else { 
                    _this.context.unregisterInteractiveComponent(_this); 
                } 
            }; 
            return _this; 
        } 
        DayTimeCols.prototype.render = function () { 
            var _this = this; 
            var _a = this, props = _a.props, context = _a.context; 
            var dateProfile = props.dateProfile, dayTableModel = props.dayTableModel; 
            var isNowIndicator = context.options.nowIndicator; 
            var dayRanges = this.buildDayRanges(dayTableModel, dateProfile, context.dateEnv); 
            // give it the first row of cells 
            // TODO: would move this further down hierarchy, but sliceNowDate needs it 
            return (createElement(NowTimer, { unit: isNowIndicator ? 'minute' : 'day' }, function (nowDate, todayRange) { return (createElement(TimeCols, __assign({ ref: _this.timeColsRef, rootElRef: _this.handleRootEl }, _this.slicer.sliceProps(props, dateProfile, null, context, dayRanges), { forPrint: props.forPrint, axis: props.axis, dateProfile: dateProfile, slatMetas: props.slatMetas, slotDuration: props.slotDuration, cells: dayTableModel.cells[0], tableColGroupNode: props.tableColGroupNode, tableMinWidth: props.tableMinWidth, clientWidth: props.clientWidth, clientHeight: props.clientHeight, expandRows: props.expandRows, nowDate: nowDate, nowIndicatorSegs: isNowIndicator && _this.slicer.sliceNowDate(nowDate, context, dayRanges), todayRange: todayRange, onScrollTopRequest: props.onScrollTopRequest, onSlatCoords: props.onSlatCoords }))); })); 
        }; 
        DayTimeCols.prototype.queryHit = function (positionLeft, positionTop) { 
            var rawHit = this.timeColsRef.current.positionToHit(positionLeft, positionTop); 
            if (rawHit) { 
                return { 
                    component: this, 
                    dateSpan: rawHit.dateSpan, 
                    dayEl: rawHit.dayEl, 
                    rect: { 
                        left: rawHit.relativeRect.left, 
                        right: rawHit.relativeRect.right, 
                        top: rawHit.relativeRect.top, 
                        bottom: rawHit.relativeRect.bottom 
                    }, 
                    layer: 0 
                }; 
            } 
        }; 
        return DayTimeCols; 
    }(DateComponent)); 
    function buildDayRanges(dayTableModel, dateProfile, dateEnv) { 
        var ranges = []; 
        for (var _i = 0, _a = dayTableModel.headerDates; _i < _a.length; _i++) { 
            var date = _a[_i]; 
            ranges.push({ 
                start: dateEnv.add(date, dateProfile.slotMinTime), 
                end: dateEnv.add(date, dateProfile.slotMaxTime) 
            }); 
        } 
        return ranges; 
    } 
    var DayTimeColsSlicer = /** @class */ (function (_super) { 
        __extends(DayTimeColsSlicer, _super); 
        function DayTimeColsSlicer() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        DayTimeColsSlicer.prototype.sliceRange = function (range, dayRanges) { 
            var segs = []; 
            for (var col = 0; col < dayRanges.length; col++) { 
                var segRange = intersectRanges(range, dayRanges[col]); 
                if (segRange) { 
                    segs.push({ 
                        start: segRange.start, 
                        end: segRange.end, 
                        isStart: segRange.start.valueOf() === range.start.valueOf(), 
                        isEnd: segRange.end.valueOf() === range.end.valueOf(), 
                        col: col 
                    }); 
                } 
            } 
            return segs; 
        }; 
        return DayTimeColsSlicer; 
    }(Slicer)); 
 
    var DayTimeColsView = /** @class */ (function (_super) { 
        __extends(DayTimeColsView, _super); 
        function DayTimeColsView() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.buildTimeColsModel = memoize(buildTimeColsModel); 
            _this.buildSlatMetas = memoize(buildSlatMetas); 
            return _this; 
        } 
        DayTimeColsView.prototype.render = function () { 
            var _this = this; 
            var _a = this.context, options = _a.options, dateEnv = _a.dateEnv, dateProfileGenerator = _a.dateProfileGenerator; 
            var props = this.props; 
            var dateProfile = props.dateProfile; 
            var dayTableModel = this.buildTimeColsModel(dateProfile, dateProfileGenerator); 
            var splitProps = this.allDaySplitter.splitProps(props); 
            var slatMetas = this.buildSlatMetas(dateProfile.slotMinTime, dateProfile.slotMaxTime, options.slotLabelInterval, options.slotDuration, dateEnv); 
            var dayMinWidth = options.dayMinWidth; 
            var hasAttachedAxis = !dayMinWidth; 
            var hasDetachedAxis = dayMinWidth; 
            var headerContent = options.dayHeaders && 
                createElement(DayHeader, { dates: dayTableModel.headerDates, dateProfile: dateProfile, datesRepDistinctDays: true, renderIntro: hasAttachedAxis ? this.renderHeadAxis : null }); 
            var allDayContent = (options.allDaySlot !== false) && (function (contentArg) { return (createElement(DayTable, __assign({}, splitProps['allDay'], { dateProfile: dateProfile, dayTableModel: dayTableModel, nextDayThreshold: options.nextDayThreshold, tableMinWidth: contentArg.tableMinWidth, colGroupNode: contentArg.tableColGroupNode, renderRowIntro: hasAttachedAxis ? _this.renderTableRowAxis : null, showWeekNumbers: false, expandRows: false, headerAlignElRef: _this.headerElRef, clientWidth: contentArg.clientWidth, clientHeight: contentArg.clientHeight, forPrint: props.forPrint }, _this.getAllDayMaxEventProps()))); }); 
            var timeGridContent = function (contentArg) { return (createElement(DayTimeCols, __assign({}, splitProps['timed'], { dayTableModel: dayTableModel, dateProfile: dateProfile, axis: hasAttachedAxis, slotDuration: options.slotDuration, slatMetas: slatMetas, forPrint: props.forPrint, tableColGroupNode: contentArg.tableColGroupNode, tableMinWidth: contentArg.tableMinWidth, clientWidth: contentArg.clientWidth, clientHeight: contentArg.clientHeight, onSlatCoords: _this.handleSlatCoords, expandRows: contentArg.expandRows, onScrollTopRequest: _this.handleScrollTopRequest }))); }; 
            return hasDetachedAxis 
                ? this.renderHScrollLayout(headerContent, allDayContent, timeGridContent, dayTableModel.colCnt, dayMinWidth, slatMetas, this.state.slatCoords) 
                : this.renderSimpleLayout(headerContent, allDayContent, timeGridContent); 
        }; 
        return DayTimeColsView; 
    }(TimeColsView)); 
    function buildTimeColsModel(dateProfile, dateProfileGenerator) { 
        var daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator); 
        return new DayTableModel(daySeries, false); 
    } 
 
    var OPTION_REFINERS$1 = { 
        allDaySlot: Boolean 
    }; 
 
    var timeGridPlugin = createPlugin({ 
        initialView: 'timeGridWeek', 
        optionRefiners: OPTION_REFINERS$1, 
        views: { 
            timeGrid: { 
                component: DayTimeColsView, 
                usesMinMaxTime: true, 
                allDaySlot: true, 
                slotDuration: '00:30:00', 
                slotEventOverlap: true // a bad name. confused with overlap/constraint system 
            }, 
            timeGridDay: { 
                type: 'timeGrid', 
                duration: { days: 1 } 
            }, 
            timeGridWeek: { 
                type: 'timeGrid', 
                duration: { weeks: 1 } 
            } 
        } 
    }); 
 
    var ListViewHeaderRow = /** @class */ (function (_super) { 
        __extends(ListViewHeaderRow, _super); 
        function ListViewHeaderRow() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        ListViewHeaderRow.prototype.render = function () { 
            var _a = this.props, dayDate = _a.dayDate, todayRange = _a.todayRange; 
            var _b = this.context, theme = _b.theme, dateEnv = _b.dateEnv, options = _b.options, viewApi = _b.viewApi; 
            var dayMeta = getDateMeta(dayDate, todayRange); 
            var text = options.listDayFormat ? dateEnv.format(dayDate, options.listDayFormat) : ''; // will ever be falsy? 
            var sideText = options.listDaySideFormat ? dateEnv.format(dayDate, options.listDaySideFormat) : ''; // will ever be falsy? also, BAD NAME "alt" 
            var navLinkData = options.navLinks 
                ? buildNavLinkData(dayDate) 
                : null; 
            var hookProps = __assign({ date: dateEnv.toDate(dayDate), view: viewApi, text: text, 
                sideText: sideText, 
                navLinkData: navLinkData }, dayMeta); 
            var classNames = ['fc-list-day'].concat(getDayClassNames(dayMeta, theme)); 
            // TODO: make a reusable HOC for dayHeader (used in daygrid/timegrid too) 
            return (createElement(RenderHook, { hookProps: hookProps, classNames: options.dayHeaderClassNames, content: options.dayHeaderContent, defaultContent: renderInnerContent$4, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, function (rootElRef, customClassNames, innerElRef, innerContent) { return (createElement("tr", { ref: rootElRef, className: classNames.concat(customClassNames).join(' '), "data-date": formatDayString(dayDate) }, 
                createElement("th", { colSpan: 3 }, 
                    createElement("div", { className: 'fc-list-day-cushion ' + theme.getClass('tableCellShaded'), ref: innerElRef }, innerContent)))); })); 
        }; 
        return ListViewHeaderRow; 
    }(BaseComponent)); 
    function renderInnerContent$4(props) { 
        var navLinkAttrs = props.navLinkData // is there a type for this? 
            ? { 'data-navlink': props.navLinkData, tabIndex: 0 } 
            : {}; 
        return (createElement(Fragment, null, 
            props.text && 
                createElement("a", __assign({ className: 'fc-list-day-text' }, navLinkAttrs), props.text), 
            props.sideText && 
                createElement("a", __assign({ className: 'fc-list-day-side-text' }, navLinkAttrs), props.sideText))); 
    } 
 
    var DEFAULT_TIME_FORMAT$1 = createFormatter({ 
        hour: 'numeric', 
        minute: '2-digit', 
        meridiem: 'short' 
    }); 
    var ListViewEventRow = /** @class */ (function (_super) { 
        __extends(ListViewEventRow, _super); 
        function ListViewEventRow() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        ListViewEventRow.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var seg = props.seg; 
            var timeFormat = context.options.eventTimeFormat || DEFAULT_TIME_FORMAT$1; 
            return (createElement(EventRoot, { seg: seg, timeText: '' /* BAD. because of all-day content */, disableDragging: true, disableResizing: true, defaultContent: renderEventInnerContent, isPast: props.isPast, isFuture: props.isFuture, isToday: props.isToday, isSelected: props.isSelected, isDragging: props.isDragging, isResizing: props.isResizing, isDateSelecting: props.isDateSelecting }, function (rootElRef, classNames, innerElRef, innerContent, hookProps) { return (createElement("tr", { className: ['fc-list-event', hookProps.event.url ? 'fc-event-forced-url' : ''].concat(classNames).join(' '), ref: rootElRef }, 
                buildTimeContent(seg, timeFormat, context), 
                createElement("td", { className: 'fc-list-event-graphic' }, 
                    createElement("span", { className: 'fc-list-event-dot', style: { borderColor: hookProps.borderColor || hookProps.backgroundColor } })), 
                createElement("td", { className: 'fc-list-event-title', ref: innerElRef }, innerContent))); })); 
        }; 
        return ListViewEventRow; 
    }(BaseComponent)); 
    function renderEventInnerContent(props) { 
        var event = props.event; 
        var url = event.url; 
        var anchorAttrs = url ? { href: url } : {}; 
        return (createElement("a", __assign({}, anchorAttrs), event.title)); 
    } 
    function buildTimeContent(seg, timeFormat, context) { 
        var options = context.options; 
        if (options.displayEventTime !== false) { 
            var eventDef = seg.eventRange.def; 
            var eventInstance = seg.eventRange.instance; 
            var doAllDay = false; 
            var timeText = void 0; 
            if (eventDef.allDay) { 
                doAllDay = true; 
            } 
            else if (isMultiDayRange(seg.eventRange.range)) { // TODO: use (!isStart || !isEnd) instead? 
                if (seg.isStart) { 
                    timeText = buildSegTimeText(seg, timeFormat, context, null, null, eventInstance.range.start, seg.end); 
                } 
                else if (seg.isEnd) { 
                    timeText = buildSegTimeText(seg, timeFormat, context, null, null, seg.start, eventInstance.range.end); 
                } 
                else { 
                    doAllDay = true; 
                } 
            } 
            else { 
                timeText = buildSegTimeText(seg, timeFormat, context); 
            } 
            if (doAllDay) { 
                var hookProps = { 
                    text: context.options.allDayText, 
                    view: context.viewApi 
                }; 
                return (createElement(RenderHook, { hookProps: hookProps, classNames: options.allDayClassNames, content: options.allDayContent, defaultContent: renderAllDayInner$1, didMount: options.allDayDidMount, willUnmount: options.allDayWillUnmount }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("td", { className: ['fc-list-event-time'].concat(classNames).join(' '), ref: rootElRef }, innerContent)); })); 
            } 
            else { 
                return (createElement("td", { className: 'fc-list-event-time' }, timeText)); 
            } 
        } 
        return null; 
    } 
    function renderAllDayInner$1(hookProps) { 
        return hookProps.text; 
    } 
 
    /* 
    Responsible for the scroller, and forwarding event-related actions into the "grid". 
    */ 
    var ListView = /** @class */ (function (_super) { 
        __extends(ListView, _super); 
        function ListView() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.computeDateVars = memoize(computeDateVars); 
            _this.eventStoreToSegs = memoize(_this._eventStoreToSegs); 
            _this.setRootEl = function (rootEl) { 
                if (rootEl) { 
                    _this.context.registerInteractiveComponent(_this, { 
                        el: rootEl 
                    }); 
                } 
                else { 
                    _this.context.unregisterInteractiveComponent(_this); 
                } 
            }; 
            return _this; 
        } 
        ListView.prototype.render = function () { 
            var _this = this; 
            var _a = this, props = _a.props, context = _a.context; 
            var extraClassNames = [ 
                'fc-list', 
                context.theme.getClass('table'), 
                context.options.stickyHeaderDates !== false ? 'fc-list-sticky' : '' 
            ]; 
            var _b = this.computeDateVars(props.dateProfile), dayDates = _b.dayDates, dayRanges = _b.dayRanges; 
            var eventSegs = this.eventStoreToSegs(props.eventStore, props.eventUiBases, dayRanges); 
            return (createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.setRootEl }, function (rootElRef, classNames) { return (createElement("div", { ref: rootElRef, className: extraClassNames.concat(classNames).join(' ') }, 
                createElement(Scroller, { liquid: !props.isHeightAuto, overflowX: props.isHeightAuto ? 'visible' : 'hidden', overflowY: props.isHeightAuto ? 'visible' : 'auto' }, eventSegs.length > 0 ? 
                    _this.renderSegList(eventSegs, dayDates) : 
                    _this.renderEmptyMessage()))); })); 
        }; 
        ListView.prototype.renderEmptyMessage = function () { 
            var _a = this.context, options = _a.options, viewApi = _a.viewApi; 
            var hookProps = { 
                text: options.noEventsText, 
                view: viewApi 
            }; 
            return (createElement(RenderHook, { hookProps: hookProps, classNames: options.noEventsClassNames, content: options.noEventsContent, defaultContent: renderNoEventsInner, didMount: options.noEventsDidMount, willUnmount: options.noEventsWillUnmount }, function (rootElRef, classNames, innerElRef, innerContent) { return (createElement("div", { className: ['fc-list-empty'].concat(classNames).join(' '), ref: rootElRef }, 
                createElement("div", { className: 'fc-list-empty-cushion', ref: innerElRef }, innerContent))); })); 
        }; 
        ListView.prototype.renderSegList = function (allSegs, dayDates) { 
            var _a = this.context, theme = _a.theme, options = _a.options; 
            var segsByDay = groupSegsByDay(allSegs); // sparse array 
            return (createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) { 
                var innerNodes = []; 
                for (var dayIndex = 0; dayIndex < segsByDay.length; dayIndex++) { 
                    var daySegs = segsByDay[dayIndex]; 
                    if (daySegs) { // sparse array, so might be undefined 
                        var dayStr = dayDates[dayIndex].toISOString(); 
                        // append a day header 
                        innerNodes.push(createElement(ListViewHeaderRow, { key: dayStr, dayDate: dayDates[dayIndex], todayRange: todayRange })); 
                        daySegs = sortEventSegs(daySegs, options.eventOrder); 
                        for (var _i = 0, daySegs_1 = daySegs; _i < daySegs_1.length; _i++) { 
                            var seg = daySegs_1[_i]; 
                            innerNodes.push(createElement(ListViewEventRow, __assign({ key: dayStr + ':' + seg.eventRange.instance.instanceId /* are multiple segs for an instanceId */, seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: false }, getSegMeta(seg, todayRange, nowDate)))); 
                        } 
                    } 
                } 
                return (createElement("table", { className: 'fc-list-table ' + theme.getClass('table') }, 
                    createElement("tbody", null, innerNodes))); 
            })); 
        }; 
        ListView.prototype._eventStoreToSegs = function (eventStore, eventUiBases, dayRanges) { 
            return this.eventRangesToSegs(sliceEventStore(eventStore, eventUiBases, this.props.dateProfile.activeRange, this.context.options.nextDayThreshold).fg, dayRanges); 
        }; 
        ListView.prototype.eventRangesToSegs = function (eventRanges, dayRanges) { 
            var segs = []; 
            for (var _i = 0, eventRanges_1 = eventRanges; _i < eventRanges_1.length; _i++) { 
                var eventRange = eventRanges_1[_i]; 
                segs.push.apply(segs, this.eventRangeToSegs(eventRange, dayRanges)); 
            } 
            return segs; 
        }; 
        ListView.prototype.eventRangeToSegs = function (eventRange, dayRanges) { 
            var dateEnv = this.context.dateEnv; 
            var nextDayThreshold = this.context.options.nextDayThreshold; 
            var range = eventRange.range; 
            var allDay = eventRange.def.allDay; 
            var dayIndex; 
            var segRange; 
            var seg; 
            var segs = []; 
            for (dayIndex = 0; dayIndex < dayRanges.length; dayIndex++) { 
                segRange = intersectRanges(range, dayRanges[dayIndex]); 
                if (segRange) { 
                    seg = { 
                        component: this, 
                        eventRange: eventRange, 
                        start: segRange.start, 
                        end: segRange.end, 
                        isStart: eventRange.isStart && segRange.start.valueOf() === range.start.valueOf(), 
                        isEnd: eventRange.isEnd && segRange.end.valueOf() === range.end.valueOf(), 
                        dayIndex: dayIndex 
                    }; 
                    segs.push(seg); 
                    // detect when range won't go fully into the next day, 
                    // and mutate the latest seg to the be the end. 
                    if (!seg.isEnd && !allDay && 
                        dayIndex + 1 < dayRanges.length && 
                        range.end < 
                            dateEnv.add(dayRanges[dayIndex + 1].start, nextDayThreshold)) { 
                        seg.end = range.end; 
                        seg.isEnd = true; 
                        break; 
                    } 
                } 
            } 
            return segs; 
        }; 
        return ListView; 
    }(DateComponent)); 
    function renderNoEventsInner(hookProps) { 
        return hookProps.text; 
    } 
    function computeDateVars(dateProfile) { 
        var dayStart = startOfDay(dateProfile.renderRange.start); 
        var viewEnd = dateProfile.renderRange.end; 
        var dayDates = []; 
        var dayRanges = []; 
        while (dayStart < viewEnd) { 
            dayDates.push(dayStart); 
            dayRanges.push({ 
                start: dayStart, 
                end: addDays(dayStart, 1) 
            }); 
            dayStart = addDays(dayStart, 1); 
        } 
        return { dayDates: dayDates, dayRanges: dayRanges }; 
    } 
    // Returns a sparse array of arrays, segs grouped by their dayIndex 
    function groupSegsByDay(segs) { 
        var segsByDay = []; // sparse array 
        var i; 
        var seg; 
        for (i = 0; i < segs.length; i++) { 
            seg = segs[i]; 
            (segsByDay[seg.dayIndex] || (segsByDay[seg.dayIndex] = [])) 
                .push(seg); 
        } 
        return segsByDay; 
    } 
 
    var OPTION_REFINERS$2 = { 
        listDayFormat: createFalsableFormatter, 
        listDaySideFormat: createFalsableFormatter, 
        noEventsClassNames: identity, 
        noEventsContent: identity, 
        noEventsDidMount: identity, 
        noEventsWillUnmount: identity 
        // noEventsText is defined in base options 
    }; 
    function createFalsableFormatter(input) { 
        return input === false ? null : createFormatter(input); 
    } 
 
    var listPlugin = createPlugin({ 
        optionRefiners: OPTION_REFINERS$2, 
        views: { 
            list: { 
                component: ListView, 
                buttonTextKey: 'list', 
                listDayFormat: { month: 'long', day: 'numeric', year: 'numeric' } // like "January 1, 2016" 
            }, 
            listDay: { 
                type: 'list', 
                duration: { days: 1 }, 
                listDayFormat: { weekday: 'long' } // day-of-week is all we need. full date is probably in headerToolbar 
            }, 
            listWeek: { 
                type: 'list', 
                duration: { weeks: 1 }, 
                listDayFormat: { weekday: 'long' }, 
                listDaySideFormat: { month: 'long', day: 'numeric', year: 'numeric' } 
            }, 
            listMonth: { 
                type: 'list', 
                duration: { month: 1 }, 
                listDaySideFormat: { weekday: 'long' } // day-of-week is nice-to-have 
            }, 
            listYear: { 
                type: 'list', 
                duration: { year: 1 }, 
                listDaySideFormat: { weekday: 'long' } // day-of-week is nice-to-have 
            } 
        } 
    }); 
 
    var BootstrapTheme = /** @class */ (function (_super) { 
        __extends(BootstrapTheme, _super); 
        function BootstrapTheme() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        return BootstrapTheme; 
    }(Theme)); 
    BootstrapTheme.prototype.classes = { 
        root: 'fc-theme-bootstrap', 
        table: 'table-bordered', 
        tableCellShaded: 'table-active', 
        buttonGroup: 'btn-group', 
        button: 'btn btn-primary', 
        buttonActive: 'active', 
        popover: 'popover', 
        popoverHeader: 'popover-header', 
        popoverContent: 'popover-body' 
    }; 
    BootstrapTheme.prototype.baseIconClass = 'fa'; 
    BootstrapTheme.prototype.iconClasses = { 
        close: 'fa-times', 
        prev: 'fa-chevron-left', 
        next: 'fa-chevron-right', 
        prevYear: 'fa-angle-double-left', 
        nextYear: 'fa-angle-double-right' 
    }; 
    BootstrapTheme.prototype.rtlIconClasses = { 
        prev: 'fa-chevron-right', 
        next: 'fa-chevron-left', 
        prevYear: 'fa-angle-double-right', 
        nextYear: 'fa-angle-double-left' 
    }; 
    BootstrapTheme.prototype.iconOverrideOption = 'bootstrapFontAwesome'; // TODO: make TS-friendly. move the option-processing into this plugin 
    BootstrapTheme.prototype.iconOverrideCustomButtonOption = 'bootstrapFontAwesome'; 
    BootstrapTheme.prototype.iconOverridePrefix = 'fa-'; 
    var plugin = createPlugin({ 
        themeClasses: { 
            bootstrap: BootstrapTheme 
        } 
    }); 
 
    // rename this file to options.ts like other packages? 
    var OPTION_REFINERS$3 = { 
        googleCalendarApiKey: String 
    }; 
 
    var EVENT_SOURCE_REFINERS$1 = { 
        googleCalendarApiKey: String, 
        googleCalendarId: String, 
        googleCalendarApiBase: String, 
        extraParams: identity 
    }; 
 
    // TODO: expose somehow 
    var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars'; 
    var eventSourceDef$3 = { 
        parseMeta: function (refined) { 
            var googleCalendarId = refined.googleCalendarId; 
            if (!googleCalendarId && refined.url) { 
                googleCalendarId = parseGoogleCalendarId(refined.url); 
            } 
            if (googleCalendarId) { 
                return { 
                    googleCalendarId: googleCalendarId, 
                    googleCalendarApiKey: refined.googleCalendarApiKey, 
                    googleCalendarApiBase: refined.googleCalendarApiBase, 
                    extraParams: refined.extraParams 
                }; 
            } 
            return null; 
        }, 
        fetch: function (arg, onSuccess, onFailure) { 
            var _a = arg.context, dateEnv = _a.dateEnv, options = _a.options; 
            var meta = arg.eventSource.meta; 
            var apiKey = meta.googleCalendarApiKey || options.googleCalendarApiKey; 
            if (!apiKey) { 
                onFailure({ 
                    message: 'Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/' 
                }); 
            } 
            else { 
                var url = buildUrl(meta); 
                // TODO: make DRY with json-feed-event-source 
                var extraParams = meta.extraParams; 
                var extraParamsObj = typeof extraParams === 'function' ? extraParams() : extraParams; 
                var requestParams_1 = buildRequestParams$1(arg.range, apiKey, extraParamsObj, dateEnv); 
                requestJson('GET', url, requestParams_1, function (body, xhr) { 
                    if (body.error) { 
                        onFailure({ 
                            message: 'Google Calendar API: ' + body.error.message, 
                            errors: body.error.errors, 
                            xhr: xhr 
                        }); 
                    } 
                    else { 
                        onSuccess({ 
                            rawEvents: gcalItemsToRawEventDefs(body.items, requestParams_1.timeZone), 
                            xhr: xhr 
                        }); 
                    } 
                }, function (message, xhr) { 
                    onFailure({ message: message, xhr: xhr }); 
                }); 
            } 
        } 
    }; 
    function parseGoogleCalendarId(url) { 
        var match; 
        // detect if the ID was specified as a single string. 
        // will match calendars like "[email protected]" in addition to person email calendars. 
        if (/^[^/]+@([^/.]+\.)*(google|googlemail|gmail)\.com$/.test(url)) { 
            return url; 
        } 
        else if ((match = /^https:\/\/www.googleapis.com\/calendar\/v3\/calendars\/([^/]*)/.exec(url)) || 
            (match = /^https?:\/\/www.google.com\/calendar\/feeds\/([^/]*)/.exec(url))) { 
            return decodeURIComponent(match[1]); 
        } 
    } 
    function buildUrl(meta) { 
        var apiBase = meta.googleCalendarApiBase; 
        if (!apiBase) { 
            apiBase = API_BASE; 
        } 
        return apiBase + '/' + encodeURIComponent(meta.googleCalendarId) + '/events'; 
    } 
    function buildRequestParams$1(range, apiKey, extraParams, dateEnv) { 
        var params; 
        var startStr; 
        var endStr; 
        if (dateEnv.canComputeOffset) { 
            // strings will naturally have offsets, which GCal needs 
            startStr = dateEnv.formatIso(range.start); 
            endStr = dateEnv.formatIso(range.end); 
        } 
        else { 
            // when timezone isn't known, we don't know what the UTC offset should be, so ask for +/- 1 day 
            // from the UTC day-start to guarantee we're getting all the events 
            // (start/end will be UTC-coerced dates, so toISOString is okay) 
            startStr = addDays(range.start, -1).toISOString(); 
            endStr = addDays(range.end, 1).toISOString(); 
        } 
        params = __assign(__assign({}, (extraParams || {})), { key: apiKey, timeMin: startStr, timeMax: endStr, singleEvents: true, maxResults: 9999 }); 
        if (dateEnv.timeZone !== 'local') { 
            params.timeZone = dateEnv.timeZone; 
        } 
        return params; 
    } 
    function gcalItemsToRawEventDefs(items, gcalTimezone) { 
        return items.map(function (item) { 
            return gcalItemToRawEventDef(item, gcalTimezone); 
        }); 
    } 
    function gcalItemToRawEventDef(item, gcalTimezone) { 
        var url = item.htmlLink || null; 
        // make the URLs for each event show times in the correct timezone 
        if (url && gcalTimezone) { 
            url = injectQsComponent(url, 'ctz=' + gcalTimezone); 
        } 
        return { 
            id: item.id, 
            title: item.summary, 
            start: item.start.dateTime || item.start.date, 
            end: item.end.dateTime || item.end.date, 
            url: url, 
            location: item.location, 
            description: item.description 
        }; 
    } 
    // Injects a string like "arg=value" into the querystring of a URL 
    // TODO: move to a general util file? 
    function injectQsComponent(url, component) { 
        // inject it after the querystring but before the fragment 
        return url.replace(/(\?.*?)?(#|$)/, function (whole, qs, hash) { 
            return (qs ? qs + '&' : '?') + component + hash; 
        }); 
    } 
    var googleCalendarPlugin = createPlugin({ 
        eventSourceDefs: [eventSourceDef$3], 
        optionRefiners: OPTION_REFINERS$3, 
        eventSourceRefiners: EVENT_SOURCE_REFINERS$1 
    }); 
 
    globalPlugins.push(interactionPlugin, dayGridPlugin, timeGridPlugin, listPlugin, plugin, googleCalendarPlugin); 
 
    exports.BASE_OPTION_DEFAULTS = BASE_OPTION_DEFAULTS; 
    exports.BASE_OPTION_REFINERS = BASE_OPTION_REFINERS; 
    exports.BaseComponent = BaseComponent; 
    exports.BgEvent = BgEvent; 
    exports.BootstrapTheme = BootstrapTheme; 
    exports.Calendar = Calendar; 
    exports.CalendarApi = CalendarApi; 
    exports.CalendarContent = CalendarContent; 
    exports.CalendarDataManager = CalendarDataManager; 
    exports.CalendarDataProvider = CalendarDataProvider; 
    exports.CalendarRoot = CalendarRoot; 
    exports.Component = Component; 
    exports.ContentHook = ContentHook; 
    exports.CustomContentRenderContext = CustomContentRenderContext; 
    exports.DateComponent = DateComponent; 
    exports.DateEnv = DateEnv; 
    exports.DateProfileGenerator = DateProfileGenerator; 
    exports.DayCellContent = DayCellContent; 
    exports.DayCellRoot = DayCellRoot; 
    exports.DayGridView = DayTableView; 
    exports.DayHeader = DayHeader; 
    exports.DaySeriesModel = DaySeriesModel; 
    exports.DayTable = DayTable; 
    exports.DayTableModel = DayTableModel; 
    exports.DayTableSlicer = DayTableSlicer; 
    exports.DayTimeCols = DayTimeCols; 
    exports.DayTimeColsSlicer = DayTimeColsSlicer; 
    exports.DayTimeColsView = DayTimeColsView; 
    exports.DelayedRunner = DelayedRunner; 
    exports.Draggable = ExternalDraggable; 
    exports.ElementDragging = ElementDragging; 
    exports.ElementScrollController = ElementScrollController; 
    exports.Emitter = Emitter; 
    exports.EventApi = EventApi; 
    exports.EventRoot = EventRoot; 
    exports.EventSourceApi = EventSourceApi; 
    exports.FeaturefulElementDragging = FeaturefulElementDragging; 
    exports.Fragment = Fragment; 
    exports.Interaction = Interaction; 
    exports.ListView = ListView; 
    exports.MountHook = MountHook; 
    exports.NamedTimeZoneImpl = NamedTimeZoneImpl; 
    exports.NowIndicatorRoot = NowIndicatorRoot; 
    exports.NowTimer = NowTimer; 
    exports.PointerDragging = PointerDragging; 
    exports.PositionCache = PositionCache; 
    exports.RefMap = RefMap; 
    exports.RenderHook = RenderHook; 
    exports.ScrollController = ScrollController; 
    exports.ScrollResponder = ScrollResponder; 
    exports.Scroller = Scroller; 
    exports.SimpleScrollGrid = SimpleScrollGrid; 
    exports.Slicer = Slicer; 
    exports.Splitter = Splitter; 
    exports.StandardEvent = StandardEvent; 
    exports.Table = Table; 
    exports.TableDateCell = TableDateCell; 
    exports.TableDowCell = TableDowCell; 
    exports.TableView = TableView; 
    exports.Theme = Theme; 
    exports.ThirdPartyDraggable = ThirdPartyDraggable; 
    exports.TimeCols = TimeCols; 
    exports.TimeColsSlatsCoords = TimeColsSlatsCoords; 
    exports.TimeColsView = TimeColsView; 
    exports.ViewApi = ViewApi; 
    exports.ViewContextType = ViewContextType; 
    exports.ViewRoot = ViewRoot; 
    exports.WeekNumberRoot = WeekNumberRoot; 
    exports.WindowScrollController = WindowScrollController; 
    exports.addDays = addDays; 
    exports.addDurations = addDurations; 
    exports.addMs = addMs; 
    exports.addWeeks = addWeeks; 
    exports.allowContextMenu = allowContextMenu; 
    exports.allowSelection = allowSelection; 
    exports.applyMutationToEventStore = applyMutationToEventStore; 
    exports.applyStyle = applyStyle; 
    exports.applyStyleProp = applyStyleProp; 
    exports.asRoughMinutes = asRoughMinutes; 
    exports.asRoughMs = asRoughMs; 
    exports.asRoughSeconds = asRoughSeconds; 
    exports.buildClassNameNormalizer = buildClassNameNormalizer; 
    exports.buildDayRanges = buildDayRanges; 
    exports.buildDayTableModel = buildDayTableModel; 
    exports.buildEventApis = buildEventApis; 
    exports.buildEventRangeKey = buildEventRangeKey; 
    exports.buildHashFromArray = buildHashFromArray; 
    exports.buildNavLinkData = buildNavLinkData; 
    exports.buildSegCompareObj = buildSegCompareObj; 
    exports.buildSegTimeText = buildSegTimeText; 
    exports.buildSlatMetas = buildSlatMetas; 
    exports.buildTimeColsModel = buildTimeColsModel; 
    exports.collectFromHash = collectFromHash; 
    exports.combineEventUis = combineEventUis; 
    exports.compareByFieldSpec = compareByFieldSpec; 
    exports.compareByFieldSpecs = compareByFieldSpecs; 
    exports.compareNumbers = compareNumbers; 
    exports.compareObjs = compareObjs; 
    exports.computeEdges = computeEdges; 
    exports.computeFallbackHeaderFormat = computeFallbackHeaderFormat; 
    exports.computeHeightAndMargins = computeHeightAndMargins; 
    exports.computeInnerRect = computeInnerRect; 
    exports.computeRect = computeRect; 
    exports.computeSegDraggable = computeSegDraggable; 
    exports.computeSegEndResizable = computeSegEndResizable; 
    exports.computeSegStartResizable = computeSegStartResizable; 
    exports.computeShrinkWidth = computeShrinkWidth; 
    exports.computeSmallestCellWidth = computeSmallestCellWidth; 
    exports.computeVisibleDayRange = computeVisibleDayRange; 
    exports.config = config; 
    exports.constrainPoint = constrainPoint; 
    exports.createContext = createContext$1; 
    exports.createDuration = createDuration; 
    exports.createElement = createElement; 
    exports.createEmptyEventStore = createEmptyEventStore; 
    exports.createEventInstance = createEventInstance; 
    exports.createEventUi = createEventUi; 
    exports.createFormatter = createFormatter; 
    exports.createPlugin = createPlugin; 
    exports.createRef = createRef; 
    exports.diffDates = diffDates; 
    exports.diffDayAndTime = diffDayAndTime; 
    exports.diffDays = diffDays; 
    exports.diffPoints = diffPoints; 
    exports.diffWeeks = diffWeeks; 
    exports.diffWholeDays = diffWholeDays; 
    exports.diffWholeWeeks = diffWholeWeeks; 
    exports.disableCursor = disableCursor; 
    exports.elementClosest = elementClosest; 
    exports.elementMatches = elementMatches; 
    exports.enableCursor = enableCursor; 
    exports.eventTupleToStore = eventTupleToStore; 
    exports.filterEventStoreDefs = filterEventStoreDefs; 
    exports.filterHash = filterHash; 
    exports.findDirectChildren = findDirectChildren; 
    exports.findElements = findElements; 
    exports.flexibleCompare = flexibleCompare; 
    exports.flushToDom = flushToDom$1; 
    exports.formatDate = formatDate; 
    exports.formatDayString = formatDayString; 
    exports.formatIsoTimeString = formatIsoTimeString; 
    exports.formatRange = formatRange; 
    exports.getAllowYScrolling = getAllowYScrolling; 
    exports.getClippingParents = getClippingParents; 
    exports.getDateMeta = getDateMeta; 
    exports.getDayClassNames = getDayClassNames; 
    exports.getDefaultEventEnd = getDefaultEventEnd; 
    exports.getElSeg = getElSeg; 
    exports.getEventClassNames = getEventClassNames; 
    exports.getIsRtlScrollbarOnLeft = getIsRtlScrollbarOnLeft; 
    exports.getRectCenter = getRectCenter; 
    exports.getRelevantEvents = getRelevantEvents; 
    exports.getScrollGridClassNames = getScrollGridClassNames; 
    exports.getScrollbarWidths = getScrollbarWidths; 
    exports.getSectionClassNames = getSectionClassNames; 
    exports.getSectionHasLiquidHeight = getSectionHasLiquidHeight; 
    exports.getSegMeta = getSegMeta; 
    exports.getSlotClassNames = getSlotClassNames; 
    exports.getStickyFooterScrollbar = getStickyFooterScrollbar; 
    exports.getStickyHeaderDates = getStickyHeaderDates; 
    exports.getUnequalProps = getUnequalProps; 
    exports.globalLocales = globalLocales; 
    exports.globalPlugins = globalPlugins; 
    exports.greatestDurationDenominator = greatestDurationDenominator; 
    exports.guid = guid; 
    exports.hasBgRendering = hasBgRendering; 
    exports.hasShrinkWidth = hasShrinkWidth; 
    exports.htmlToElement = htmlToElement; 
    exports.identity = identity; 
    exports.interactionSettingsStore = interactionSettingsStore; 
    exports.interactionSettingsToStore = interactionSettingsToStore; 
    exports.intersectRanges = intersectRanges; 
    exports.intersectRects = intersectRects; 
    exports.isArraysEqual = isArraysEqual; 
    exports.isColPropsEqual = isColPropsEqual; 
    exports.isDateSpansEqual = isDateSpansEqual; 
    exports.isInt = isInt; 
    exports.isInteractionValid = isInteractionValid; 
    exports.isMultiDayRange = isMultiDayRange; 
    exports.isPropsEqual = isPropsEqual; 
    exports.isPropsValid = isPropsValid; 
    exports.isSingleDay = isSingleDay; 
    exports.isValidDate = isValidDate; 
    exports.listenBySelector = listenBySelector; 
    exports.mapHash = mapHash; 
    exports.memoize = memoize; 
    exports.memoizeArraylike = memoizeArraylike; 
    exports.memoizeHashlike = memoizeHashlike; 
    exports.memoizeObjArg = memoizeObjArg; 
    exports.mergeEventStores = mergeEventStores; 
    exports.multiplyDuration = multiplyDuration; 
    exports.padStart = padStart; 
    exports.parseBusinessHours = parseBusinessHours; 
    exports.parseClassNames = parseClassNames; 
    exports.parseDragMeta = parseDragMeta; 
    exports.parseEventDef = parseEventDef; 
    exports.parseFieldSpecs = parseFieldSpecs; 
    exports.parseMarker = parse; 
    exports.pointInsideRect = pointInsideRect; 
    exports.preventContextMenu = preventContextMenu; 
    exports.preventDefault = preventDefault; 
    exports.preventSelection = preventSelection; 
    exports.rangeContainsMarker = rangeContainsMarker; 
    exports.rangeContainsRange = rangeContainsRange; 
    exports.rangesEqual = rangesEqual; 
    exports.rangesIntersect = rangesIntersect; 
    exports.refineEventDef = refineEventDef; 
    exports.refineProps = refineProps; 
    exports.removeElement = removeElement; 
    exports.removeExact = removeExact; 
    exports.render = render; 
    exports.renderChunkContent = renderChunkContent; 
    exports.renderFill = renderFill; 
    exports.renderMicroColGroup = renderMicroColGroup; 
    exports.renderScrollShim = renderScrollShim; 
    exports.requestJson = requestJson; 
    exports.sanitizeShrinkWidth = sanitizeShrinkWidth; 
    exports.setElSeg = setElSeg; 
    exports.setRef = setRef; 
    exports.sliceEventStore = sliceEventStore; 
    exports.sliceEvents = sliceEvents; 
    exports.sortEventSegs = sortEventSegs; 
    exports.startOfDay = startOfDay; 
    exports.translateRect = translateRect; 
    exports.triggerDateSelect = triggerDateSelect; 
    exports.unpromisify = unpromisify; 
    exports.version = version; 
    exports.whenTransitionDone = whenTransitionDone; 
    exports.wholeDivideDurations = wholeDivideDurations; 
 
    return exports; 
 
}({})); 
/*! 
FullCalendar v5.1.0 
Docs & License: https://fullcalendar.io/ 
(c) 2020 Adam Shaw 
*/ 
var FullCalendar = (function (exports) { 
    'use strict'; 
 
    /*! ***************************************************************************** 
    Copyright (c) Microsoft Corporation. 
 
    Permission to use, copy, modify, and/or distribute this software for any 
    purpose with or without fee is hereby granted. 
 
    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH 
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, 
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR 
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 
    PERFORMANCE OF THIS SOFTWARE. 
    ***************************************************************************** */ 
    /* global Reflect, Promise */ 
 
    var extendStatics = function(d, b) { 
        extendStatics = Object.setPrototypeOf || 
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || 
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; 
        return extendStatics(d, b); 
    }; 
 
    function __extends(d, b) { 
        extendStatics(d, b); 
        function __() { this.constructor = d; } 
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); 
    } 
 
    var __assign = function() { 
        __assign = Object.assign || function __assign(t) { 
            for (var s, i = 1, n = arguments.length; i < n; i++) { 
                s = arguments[i]; 
                for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; 
            } 
            return t; 
        }; 
        return __assign.apply(this, arguments); 
    }; 
 
    function __spreadArrays() { 
        for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length; 
        for (var r = Array(s), k = 0, i = 0; i < il; i++) 
            for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) 
                r[k] = a[j]; 
        return r; 
    } 
 
    var n,u,i,t,r,o,f,e={},c=[],s=/acit|ex(?:s|g|n|p|$)|rph|grid|ows|mnc|ntw|ine[ch]|zoo|^ord/i;function a(n,l){for(var u in l)n[u]=l[u];return n}function v(n){var l=n.parentNode;l&&l.removeChild(n);}function h(n,l,u){var i,t=arguments,r={};for(i in l)"key"!==i&&"ref"!==i&&(r[i]=l[i]);if(arguments.length>3)for(u=[u],i=3;i<arguments.length;i++)u.push(t[i]);if(null!=u&&(r.children=u),"function"==typeof n&&null!=n.defaultProps)for(i in n.defaultProps)void 0===r[i]&&(r[i]=n.defaultProps[i]);return p(n,r,l&&l.key,l&&l.ref,null)}function p(l,u,i,t,r){var o={type:l,props:u,key:i,ref:t,__k:null,__:null,__b:0,__e:null,__d:void 0,__c:null,constructor:void 0,__v:r};return null==r&&(o.__v=o),n.vnode&&n.vnode(o),o}function y(){return {}}function d(n){return n.children}function m(n,l){this.props=n,this.context=l;}function w(n,l){if(null==l)return n.__?w(n.__,n.__.__k.indexOf(n)+1):null;for(var u;l<n.__k.length;l++)if(null!=(u=n.__k[l])&&null!=u.__e)return u.__e;return "function"==typeof 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    window.FullCalendarVDom = { 
        Component: m, 
        createElement: h, 
        render: H, 
        createRef: y, 
        Fragment: d, 
        createContext: createContext, 
        flushToDom: flushToDom 
    }; 
    // HACKS... 
    // TODO: lock version 
    // TODO: link gh issues 
    function flushToDom() { 
        var oldDebounceRendering = n.debounceRendering; // orig 
        var callbackQ = []; 
        function execCallbackSync(callback) { 
            callbackQ.push(callback); 
        } 
        n.debounceRendering = execCallbackSync; 
        H(h(FakeComponent, {}), document.createElement('div')); 
        while (callbackQ.length) { 
            callbackQ.shift()(); 
        } 
        n.debounceRendering = oldDebounceRendering; 
    } 
    var FakeComponent = /** @class */ (function (_super) { 
        __extends(FakeComponent, _super); 
        function FakeComponent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        FakeComponent.prototype.render = function () { return h('div', {}); }; 
        FakeComponent.prototype.componentDidMount = function () { this.setState({}); }; 
        return FakeComponent; 
    }(m)); 
    function createContext(defaultValue) { 
        var ContextType = M(defaultValue); 
        var origProvider = ContextType.Provider; 
        ContextType.Provider = function () { 
            var _this = this; 
            var isNew = !this.getChildContext; 
            var children = origProvider.apply(this, arguments); 
            if (isNew) { 
                var subs_1 = []; 
                this.shouldComponentUpdate = function (_props) { 
                    if (_this.props.value !== _props.value) { 
                        subs_1.some(function (c) { 
                            c.context = _props.value; 
                            c.forceUpdate(); 
                        }); 
                    } 
                }; 
                this.sub = function (c) { 
                    subs_1.push(c); 
                    var old = c.componentWillUnmount; 
                    c.componentWillUnmount = function () { 
                        subs_1.splice(subs_1.indexOf(c), 1); 
                        old && old.call(c); 
                    }; 
                }; 
            } 
            return children; 
        }; 
        return ContextType; 
    } 
 
    // no public types yet. when there are, export from: 
    // import {} from './api-type-deps' 
    var EventSourceApi = /** @class */ (function () { 
        function EventSourceApi(context, internalEventSource // rename? 
        ) { 
            this.context = context; 
            this.internalEventSource = internalEventSource; 
        } 
        EventSourceApi.prototype.remove = function () { 
            this.context.dispatch({ 
                type: 'REMOVE_EVENT_SOURCE', 
                sourceId: this.internalEventSource.sourceId 
            }); 
        }; 
        EventSourceApi.prototype.refetch = function () { 
            this.context.dispatch({ 
                type: 'FETCH_EVENT_SOURCES', 
                sourceIds: [this.internalEventSource.sourceId] 
            }); 
        }; 
        Object.defineProperty(EventSourceApi.prototype, "id", { 
            get: function () { 
                return this.internalEventSource.publicId; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventSourceApi.prototype, "url", { 
            // only relevant to json-feed event sources 
            get: function () { 
                return this.internalEventSource.meta.url; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        return EventSourceApi; 
    }()); 
 
    // TODO: new util arrayify? 
    function removeExact(array, exactVal) { 
        var removeCnt = 0; 
        var i = 0; 
        while (i < array.length) { 
            if (array[i] === exactVal) { 
                array.splice(i, 1); 
                removeCnt++; 
            } 
            else { 
                i++; 
            } 
        } 
        return removeCnt; 
    } 
    function isArraysEqual(a0, a1, equalityFunc) { 
        if (a0 === a1) { 
            return true; 
        } 
        var len = a0.length; 
        var i; 
        if (len !== a1.length) { // not array? or not same length? 
            return false; 
        } 
        for (i = 0; i < len; i++) { 
            if (!(equalityFunc ? equalityFunc(a0[i], a1[i]) : a0[i] === a1[i])) { 
                return false; 
            } 
        } 
        return true; 
    } 
 
    function htmlToElement(html) { 
        html = html.trim(); 
        var container = document.createElement('div'); 
        container.innerHTML = html; 
        return container.firstChild; 
    } 
    function removeElement(el) { 
        if (el.parentNode) { 
            el.parentNode.removeChild(el); 
        } 
    } 
    function injectHtml(el, html) { 
        el.innerHTML = html; 
    } 
    function injectDomNodes(el, domNodes) { 
        var oldNodes = Array.prototype.slice.call(el.childNodes); // TODO: use array util 
        var newNodes = Array.prototype.slice.call(domNodes); // TODO: use array util 
        if (!isArraysEqual(oldNodes, newNodes)) { 
            for (var _i = 0, newNodes_1 = newNodes; _i < newNodes_1.length; _i++) { 
                var newNode = newNodes_1[_i]; 
                el.appendChild(newNode); 
            } 
            oldNodes.forEach(removeElement); 
        } 
    } 
    // Querying 
    // ---------------------------------------------------------------------------------------------------------------- 
    // from https://developer.mozilla.org/en-US/docs/Web/API/Element/closest 
    var matchesMethod = Element.prototype.matches || 
        Element.prototype.matchesSelector || 
        Element.prototype.msMatchesSelector; 
    var closestMethod = Element.prototype.closest || function (selector) { 
        // polyfill 
        var el = this; 
        if (!document.documentElement.contains(el)) { 
            return null; 
        } 
        do { 
            if (elementMatches(el, selector)) { 
                return el; 
            } 
            el = el.parentElement || el.parentNode; 
        } while (el !== null && el.nodeType === 1); 
        return null; 
    }; 
    function elementClosest(el, selector) { 
        return closestMethod.call(el, selector); 
    } 
    function elementMatches(el, selector) { 
        return matchesMethod.call(el, selector); 
    } 
    // accepts multiple subject els 
    // returns a real array. good for methods like forEach 
    // TODO: accept the document 
    function findElements(container, selector) { 
        var containers = container instanceof HTMLElement ? [container] : container; 
        var allMatches = []; 
        for (var i = 0; i < containers.length; i++) { 
            var matches = containers[i].querySelectorAll(selector); 
            for (var j = 0; j < matches.length; j++) { 
                allMatches.push(matches[j]); 
            } 
        } 
        return allMatches; 
    } 
    // accepts multiple subject els 
    // only queries direct child elements // TODO: rename to findDirectChildren! 
    function findDirectChildren(parent, selector) { 
        var parents = parent instanceof HTMLElement ? [parent] : parent; 
        var allMatches = []; 
        for (var i = 0; i < parents.length; i++) { 
            var childNodes = parents[i].children; // only ever elements 
            for (var j = 0; j < childNodes.length; j++) { 
                var childNode = childNodes[j]; 
                if (!selector || elementMatches(childNode, selector)) { 
                    allMatches.push(childNode); 
                } 
            } 
        } 
        return allMatches; 
    } 
    // Style 
    // ---------------------------------------------------------------------------------------------------------------- 
    var PIXEL_PROP_RE = /(top|left|right|bottom|width|height)$/i; 
    function applyStyle(el, props) { 
        for (var propName in props) { 
            applyStyleProp(el, propName, props[propName]); 
        } 
    } 
    function applyStyleProp(el, name, val) { 
        if (val == null) { 
            el.style[name] = ''; 
        } 
        else if (typeof val === 'number' && PIXEL_PROP_RE.test(name)) { 
            el.style[name] = val + 'px'; 
        } 
        else { 
            el.style[name] = val; 
        } 
    } 
 
    // Stops a mouse/touch event from doing it's native browser action 
    function preventDefault(ev) { 
        ev.preventDefault(); 
    } 
    // Event Delegation 
    // ---------------------------------------------------------------------------------------------------------------- 
    function buildDelegationHandler(selector, handler) { 
        return function (ev) { 
            var matchedChild = elementClosest(ev.target, selector); 
            if (matchedChild) { 
                handler.call(matchedChild, ev, matchedChild); 
            } 
        }; 
    } 
    function listenBySelector(container, eventType, selector, handler) { 
        var attachedHandler = buildDelegationHandler(selector, handler); 
        container.addEventListener(eventType, attachedHandler); 
        return function () { 
            container.removeEventListener(eventType, attachedHandler); 
        }; 
    } 
    function listenToHoverBySelector(container, selector, onMouseEnter, onMouseLeave) { 
        var currentMatchedChild; 
        return listenBySelector(container, 'mouseover', selector, function (ev, matchedChild) { 
            if (matchedChild !== currentMatchedChild) { 
                currentMatchedChild = matchedChild; 
                onMouseEnter(ev, matchedChild); 
                var realOnMouseLeave_1 = function (ev) { 
                    currentMatchedChild = null; 
                    onMouseLeave(ev, matchedChild); 
                    matchedChild.removeEventListener('mouseleave', realOnMouseLeave_1); 
                }; 
                // listen to the next mouseleave, and then unattach 
                matchedChild.addEventListener('mouseleave', realOnMouseLeave_1); 
            } 
        }); 
    } 
    // Animation 
    // ---------------------------------------------------------------------------------------------------------------- 
    var transitionEventNames = [ 
        'webkitTransitionEnd', 
        'otransitionend', 
        'oTransitionEnd', 
        'msTransitionEnd', 
        'transitionend' 
    ]; 
    // triggered only when the next single subsequent transition finishes 
    function whenTransitionDone(el, callback) { 
        var realCallback = function (ev) { 
            callback(ev); 
            transitionEventNames.forEach(function (eventName) { 
                el.removeEventListener(eventName, realCallback); 
            }); 
        }; 
        transitionEventNames.forEach(function (eventName) { 
            el.addEventListener(eventName, realCallback); // cross-browser way to determine when the transition finishes 
        }); 
    } 
 
    var guidNumber = 0; 
    function guid() { 
        return String(guidNumber++); 
    } 
    /* FullCalendar-specific DOM Utilities 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    // Make the mouse cursor express that an event is not allowed in the current area 
    function disableCursor() { 
        document.body.classList.add('fc-not-allowed'); 
    } 
    // Returns the mouse cursor to its original look 
    function enableCursor() { 
        document.body.classList.remove('fc-not-allowed'); 
    } 
    /* Selection 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function preventSelection(el) { 
        el.classList.add('fc-unselectable'); 
        el.addEventListener('selectstart', preventDefault); 
    } 
    function allowSelection(el) { 
        el.classList.remove('fc-unselectable'); 
        el.removeEventListener('selectstart', preventDefault); 
    } 
    /* Context Menu 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function preventContextMenu(el) { 
        el.addEventListener('contextmenu', preventDefault); 
    } 
    function allowContextMenu(el) { 
        el.removeEventListener('contextmenu', preventDefault); 
    } 
    function parseFieldSpecs(input) { 
        var specs = []; 
        var tokens = []; 
        var i; 
        var token; 
        if (typeof input === 'string') { 
            tokens = input.split(/\s*,\s*/); 
        } 
        else if (typeof input === 'function') { 
            tokens = [input]; 
        } 
        else if (Array.isArray(input)) { 
            tokens = input; 
        } 
        for (i = 0; i < tokens.length; i++) { 
            token = tokens[i]; 
            if (typeof token === 'string') { 
                specs.push(token.charAt(0) === '-' ? 
                    { field: token.substring(1), order: -1 } : 
                    { field: token, order: 1 }); 
            } 
            else if (typeof token === 'function') { 
                specs.push({ func: token }); 
            } 
        } 
        return specs; 
    } 
    function compareByFieldSpecs(obj0, obj1, fieldSpecs) { 
        var i; 
        var cmp; 
        for (i = 0; i < fieldSpecs.length; i++) { 
            cmp = compareByFieldSpec(obj0, obj1, fieldSpecs[i]); 
            if (cmp) { 
                return cmp; 
            } 
        } 
        return 0; 
    } 
    function compareByFieldSpec(obj0, obj1, fieldSpec) { 
        if (fieldSpec.func) { 
            return fieldSpec.func(obj0, obj1); 
        } 
        return flexibleCompare(obj0[fieldSpec.field], obj1[fieldSpec.field]) 
            * (fieldSpec.order || 1); 
    } 
    function flexibleCompare(a, b) { 
        if (!a && !b) { 
            return 0; 
        } 
        if (b == null) { 
            return -1; 
        } 
        if (a == null) { 
            return 1; 
        } 
        if (typeof a === 'string' || typeof b === 'string') { 
            return String(a).localeCompare(String(b)); 
        } 
        return a - b; 
    } 
    /* String Utilities 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function padStart(val, len) { 
        var s = String(val); 
        return '000'.substr(0, len - s.length) + s; 
    } 
    /* Number Utilities 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function compareNumbers(a, b) { 
        return a - b; 
    } 
    function isInt(n) { 
        return n % 1 === 0; 
    } 
    /* FC-specific DOM dimension stuff 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    function computeSmallestCellWidth(cellEl) { 
        var allWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-frame'); 
        var contentWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-cushion'); 
        if (!allWidthEl) { 
            throw new Error('needs fc-scrollgrid-shrink-frame className'); // TODO: use const 
        } 
        if (!contentWidthEl) { 
            throw new Error('needs fc-scrollgrid-shrink-cushion className'); 
        } 
        return cellEl.getBoundingClientRect().width - allWidthEl.getBoundingClientRect().width + // the cell padding+border 
            contentWidthEl.getBoundingClientRect().width; 
    } 
 
    var DAY_IDS = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat']; 
    // Adding 
    function addWeeks(m, n) { 
        var a = dateToUtcArray(m); 
        a[2] += n * 7; 
        return arrayToUtcDate(a); 
    } 
    function addDays(m, n) { 
        var a = dateToUtcArray(m); 
        a[2] += n; 
        return arrayToUtcDate(a); 
    } 
    function addMs(m, n) { 
        var a = dateToUtcArray(m); 
        a[6] += n; 
        return arrayToUtcDate(a); 
    } 
    // Diffing (all return floats) 
    // TODO: why not use ranges? 
    function diffWeeks(m0, m1) { 
        return diffDays(m0, m1) / 7; 
    } 
    function diffDays(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60 * 24); 
    } 
    function diffHours(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60); 
    } 
    function diffMinutes(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / (1000 * 60); 
    } 
    function diffSeconds(m0, m1) { 
        return (m1.valueOf() - m0.valueOf()) / 1000; 
    } 
    function diffDayAndTime(m0, m1) { 
        var m0day = startOfDay(m0); 
        var m1day = startOfDay(m1); 
        return { 
            years: 0, 
            months: 0, 
            days: Math.round(diffDays(m0day, m1day)), 
            milliseconds: (m1.valueOf() - m1day.valueOf()) - (m0.valueOf() - m0day.valueOf()) 
        }; 
    } 
    // Diffing Whole Units 
    function diffWholeWeeks(m0, m1) { 
        var d = diffWholeDays(m0, m1); 
        if (d !== null && d % 7 === 0) { 
            return d / 7; 
        } 
        return null; 
    } 
    function diffWholeDays(m0, m1) { 
        if (timeAsMs(m0) === timeAsMs(m1)) { 
            return Math.round(diffDays(m0, m1)); 
        } 
        return null; 
    } 
    // Start-Of 
    function startOfDay(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate() 
        ]); 
    } 
    function startOfHour(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate(), 
            m.getUTCHours() 
        ]); 
    } 
    function startOfMinute(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate(), 
            m.getUTCHours(), 
            m.getUTCMinutes() 
        ]); 
    } 
    function startOfSecond(m) { 
        return arrayToUtcDate([ 
            m.getUTCFullYear(), 
            m.getUTCMonth(), 
            m.getUTCDate(), 
            m.getUTCHours(), 
            m.getUTCMinutes(), 
            m.getUTCSeconds() 
        ]); 
    } 
    // Week Computation 
    function weekOfYear(marker, dow, doy) { 
        var y = marker.getUTCFullYear(); 
        var w = weekOfGivenYear(marker, y, dow, doy); 
        if (w < 1) { 
            return weekOfGivenYear(marker, y - 1, dow, doy); 
        } 
        var nextW = weekOfGivenYear(marker, y + 1, dow, doy); 
        if (nextW >= 1) { 
            return Math.min(w, nextW); 
        } 
        return w; 
    } 
    function weekOfGivenYear(marker, year, dow, doy) { 
        var firstWeekStart = arrayToUtcDate([year, 0, 1 + firstWeekOffset(year, dow, doy)]); 
        var dayStart = startOfDay(marker); 
        var days = Math.round(diffDays(firstWeekStart, dayStart)); 
        return Math.floor(days / 7) + 1; // zero-indexed 
    } 
    // start-of-first-week - start-of-year 
    function firstWeekOffset(year, dow, doy) { 
        // first-week day -- which january is always in the first week (4 for iso, 1 for other) 
        var fwd = 7 + dow - doy; 
        // first-week day local weekday -- which local weekday is fwd 
        var fwdlw = (7 + arrayToUtcDate([year, 0, fwd]).getUTCDay() - dow) % 7; 
        return -fwdlw + fwd - 1; 
    } 
    // Array Conversion 
    function dateToLocalArray(date) { 
        return [ 
            date.getFullYear(), 
            date.getMonth(), 
            date.getDate(), 
            date.getHours(), 
            date.getMinutes(), 
            date.getSeconds(), 
            date.getMilliseconds() 
        ]; 
    } 
    function arrayToLocalDate(a) { 
        return new Date(a[0], a[1] || 0, a[2] == null ? 1 : a[2], // day of month 
        a[3] || 0, a[4] || 0, a[5] || 0); 
    } 
    function dateToUtcArray(date) { 
        return [ 
            date.getUTCFullYear(), 
            date.getUTCMonth(), 
            date.getUTCDate(), 
            date.getUTCHours(), 
            date.getUTCMinutes(), 
            date.getUTCSeconds(), 
            date.getUTCMilliseconds() 
        ]; 
    } 
    function arrayToUtcDate(a) { 
        // according to web standards (and Safari), a month index is required. 
        // massage if only given a year. 
        if (a.length === 1) { 
            a = a.concat([0]); 
        } 
        return new Date(Date.UTC.apply(Date, a)); 
    } 
    // Other Utils 
    function isValidDate(m) { 
        return !isNaN(m.valueOf()); 
    } 
    function timeAsMs(m) { 
        return m.getUTCHours() * 1000 * 60 * 60 + 
            m.getUTCMinutes() * 1000 * 60 + 
            m.getUTCSeconds() * 1000 + 
            m.getUTCMilliseconds(); 
    } 
 
    function createEventInstance(defId, range, forcedStartTzo, forcedEndTzo) { 
        return { 
            instanceId: guid(), 
            defId: defId, 
            range: range, 
            forcedStartTzo: forcedStartTzo == null ? null : forcedStartTzo, 
            forcedEndTzo: forcedEndTzo == null ? null : forcedEndTzo 
        }; 
    } 
 
    var hasOwnProperty = Object.prototype.hasOwnProperty; 
    // Merges an array of objects into a single object. 
    // The second argument allows for an array of property names who's object values will be merged together. 
    function mergeProps(propObjs, complexPropsMap) { 
        var dest = {}; 
        if (complexPropsMap) { 
            for (var name_1 in complexPropsMap) { 
                var complexObjs = []; 
                // collect the trailing object values, stopping when a non-object is discovered 
                for (var i = propObjs.length - 1; i >= 0; i--) { 
                    var val = propObjs[i][name_1]; 
                    if (typeof val === 'object' && val) { // non-null object 
                        complexObjs.unshift(val); 
                    } 
                    else if (val !== undefined) { 
                        dest[name_1] = val; // if there were no objects, this value will be used 
                        break; 
                    } 
                } 
                // if the trailing values were objects, use the merged value 
                if (complexObjs.length) { 
                    dest[name_1] = mergeProps(complexObjs); 
                } 
            } 
        } 
        // copy values into the destination, going from last to first 
        for (var i = propObjs.length - 1; i >= 0; i--) { 
            var props = propObjs[i]; 
            for (var name_2 in props) { 
                if (!(name_2 in dest)) { // if already assigned by previous props or complex props, don't reassign 
                    dest[name_2] = props[name_2]; 
                } 
            } 
        } 
        return dest; 
    } 
    function filterHash(hash, func) { 
        var filtered = {}; 
        for (var key in hash) { 
            if (func(hash[key], key)) { 
                filtered[key] = hash[key]; 
            } 
        } 
        return filtered; 
    } 
    function mapHash(hash, func) { 
        var newHash = {}; 
        for (var key in hash) { 
            newHash[key] = func(hash[key], key); 
        } 
        return newHash; 
    } 
    function arrayToHash(a) { 
        var hash = {}; 
        for (var _i = 0, a_1 = a; _i < a_1.length; _i++) { 
            var item = a_1[_i]; 
            hash[item] = true; 
        } 
        return hash; 
    } 
    function buildHashFromArray(a, func) { 
        var hash = {}; 
        for (var i = 0; i < a.length; i++) { 
            var tuple = func(a[i], i); 
            hash[tuple[0]] = tuple[1]; 
        } 
        return hash; 
    } 
    function hashValuesToArray(obj) { 
        var a = []; 
        for (var key in obj) { 
            a.push(obj[key]); 
        } 
        return a; 
    } 
    function isPropsEqual(obj0, obj1) { 
        if (obj0 === obj1) { 
            return true; 
        } 
        for (var key in obj0) { 
            if (hasOwnProperty.call(obj0, key)) { 
                if (!(key in obj1)) { 
                    return false; 
                } 
            } 
        } 
        for (var key in obj1) { 
            if (hasOwnProperty.call(obj1, key)) { 
                if (obj0[key] !== obj1[key]) { 
                    return false; 
                } 
            } 
        } 
        return true; 
    } 
    function getUnequalProps(obj0, obj1) { 
        var keys = []; 
        for (var key in obj0) { 
            if (hasOwnProperty.call(obj0, key)) { 
                if (!(key in obj1)) { 
                    keys.push(key); 
                } 
            } 
        } 
        for (var key in obj1) { 
            if (hasOwnProperty.call(obj1, key)) { 
                if (obj0[key] !== obj1[key]) { 
                    keys.push(key); 
                } 
            } 
        } 
        return keys; 
    } 
    function compareObjs(oldProps, newProps, equalityFuncs) { 
        if (equalityFuncs === void 0) { equalityFuncs = {}; } 
        if (oldProps === newProps) { 
            return true; 
        } 
        for (var key in newProps) { 
            if (key in oldProps && isObjValsEqual(oldProps[key], newProps[key], equalityFuncs[key])) ; 
            else { 
                return false; 
            } 
        } 
        // check for props that were omitted in the new 
        for (var key in oldProps) { 
            if (!(key in newProps)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    /* 
    assumed "true" equality for handler names like "onReceiveSomething" 
    */ 
    function isObjValsEqual(val0, val1, comparator) { 
        if (val0 === val1 || comparator === true) { 
            return true; 
        } 
        if (comparator) { 
            return comparator(val0, val1); 
        } 
        return false; 
    } 
    function collectFromHash(hash, startIndex, endIndex, step) { 
        if (startIndex === void 0) { startIndex = 0; } 
        if (step === void 0) { step = 1; } 
        var res = []; 
        if (endIndex == null) { 
            endIndex = Object.keys(hash).length; 
        } 
        for (var i = startIndex; i < endIndex; i += step) { 
            var val = hash[i]; 
            if (val !== undefined) { // will disregard undefined for sparse arrays 
                res.push(val); 
            } 
        } 
        return res; 
    } 
 
    function parseRecurring(refined, defaultAllDay, dateEnv, recurringTypes) { 
        for (var i = 0; i < recurringTypes.length; i++) { 
            var parsed = recurringTypes[i].parse(refined, dateEnv); 
            if (parsed) { 
                var allDay = refined.allDay; 
                if (allDay == null) { 
                    allDay = defaultAllDay; 
                    if (allDay == null) { 
                        allDay = parsed.allDayGuess; 
                        if (allDay == null) { 
                            allDay = false; 
                        } 
                    } 
                } 
                return { 
                    allDay: allDay, 
                    duration: parsed.duration, 
                    typeData: parsed.typeData, 
                    typeId: i 
                }; 
            } 
        } 
        return null; 
    } 
    function expandRecurring(eventStore, framingRange, context) { 
        var dateEnv = context.dateEnv, pluginHooks = context.pluginHooks, options = context.options; 
        var defs = eventStore.defs, instances = eventStore.instances; 
        // remove existing recurring instances 
        // TODO: bad. always expand events as a second step 
        instances = filterHash(instances, function (instance) { 
            return !defs[instance.defId].recurringDef; 
        }); 
        for (var defId in defs) { 
            var def = defs[defId]; 
            if (def.recurringDef) { 
                var duration = def.recurringDef.duration; 
                if (!duration) { 
                    duration = def.allDay ? 
                        options.defaultAllDayEventDuration : 
                        options.defaultTimedEventDuration; 
                } 
                var starts = expandRecurringRanges(def, duration, framingRange, dateEnv, pluginHooks.recurringTypes); 
                for (var _i = 0, starts_1 = starts; _i < starts_1.length; _i++) { 
                    var start = starts_1[_i]; 
                    var instance = createEventInstance(defId, { 
                        start: start, 
                        end: dateEnv.add(start, duration) 
                    }); 
                    instances[instance.instanceId] = instance; 
                } 
            } 
        } 
        return { defs: defs, instances: instances }; 
    } 
    /* 
    Event MUST have a recurringDef 
    */ 
    function expandRecurringRanges(eventDef, duration, framingRange, dateEnv, recurringTypes) { 
        var typeDef = recurringTypes[eventDef.recurringDef.typeId]; 
        var markers = typeDef.expand(eventDef.recurringDef.typeData, { 
            start: dateEnv.subtract(framingRange.start, duration), 
            end: framingRange.end 
        }, dateEnv); 
        // the recurrence plugins don't guarantee that all-day events are start-of-day, so we have to 
        if (eventDef.allDay) { 
            markers = markers.map(startOfDay); 
        } 
        return markers; 
    } 
 
    var INTERNAL_UNITS = ['years', 'months', 'days', 'milliseconds']; 
    var PARSE_RE = /^(-?)(?:(\d+)\.)?(\d+):(\d\d)(?::(\d\d)(?:\.(\d\d\d))?)?/; 
    // Parsing and Creation 
    function createDuration(input, unit) { 
        var _a; 
        if (typeof input === 'string') { 
            return parseString(input); 
        } 
        else if (typeof input === 'object' && input) { // non-null object 
            return parseObject(input); 
        } 
        else if (typeof input === 'number') { 
            return parseObject((_a = {}, _a[unit || 'milliseconds'] = input, _a)); 
        } 
        else { 
            return null; 
        } 
    } 
    function parseString(s) { 
        var m = PARSE_RE.exec(s); 
        if (m) { 
            var sign = m[1] ? -1 : 1; 
            return { 
                years: 0, 
                months: 0, 
                days: sign * (m[2] ? parseInt(m[2], 10) : 0), 
                milliseconds: sign * ((m[3] ? parseInt(m[3], 10) : 0) * 60 * 60 * 1000 + // hours 
                    (m[4] ? parseInt(m[4], 10) : 0) * 60 * 1000 + // minutes 
                    (m[5] ? parseInt(m[5], 10) : 0) * 1000 + // seconds 
                    (m[6] ? parseInt(m[6], 10) : 0) // ms 
                ) 
            }; 
        } 
        return null; 
    } 
    function parseObject(obj) { 
        var duration = { 
            years: obj.years || obj.year || 0, 
            months: obj.months || obj.month || 0, 
            days: obj.days || obj.day || 0, 
            milliseconds: (obj.hours || obj.hour || 0) * 60 * 60 * 1000 + // hours 
                (obj.minutes || obj.minute || 0) * 60 * 1000 + // minutes 
                (obj.seconds || obj.second || 0) * 1000 + // seconds 
                (obj.milliseconds || obj.millisecond || obj.ms || 0) // ms 
        }; 
        var weeks = obj.weeks || obj.week; 
        if (weeks) { 
            duration.days += weeks * 7; 
            duration.specifiedWeeks = true; 
        } 
        return duration; 
    } 
    // Equality 
    function durationsEqual(d0, d1) { 
        return d0.years === d1.years && 
            d0.months === d1.months && 
            d0.days === d1.days && 
            d0.milliseconds === d1.milliseconds; 
    } 
    function isSingleDay(dur) { 
        return dur.years === 0 && dur.months === 0 && dur.days === 1 && dur.milliseconds === 0; 
    } 
    // Simple Math 
    function addDurations(d0, d1) { 
        return { 
            years: d0.years + d1.years, 
            months: d0.months + d1.months, 
            days: d0.days + d1.days, 
            milliseconds: d0.milliseconds + d1.milliseconds 
        }; 
    } 
    function subtractDurations(d1, d0) { 
        return { 
            years: d1.years - d0.years, 
            months: d1.months - d0.months, 
            days: d1.days - d0.days, 
            milliseconds: d1.milliseconds - d0.milliseconds 
        }; 
    } 
    function multiplyDuration(d, n) { 
        return { 
            years: d.years * n, 
            months: d.months * n, 
            days: d.days * n, 
            milliseconds: d.milliseconds * n 
        }; 
    } 
    // Conversions 
    // "Rough" because they are based on average-case Gregorian months/years 
    function asRoughYears(dur) { 
        return asRoughDays(dur) / 365; 
    } 
    function asRoughMonths(dur) { 
        return asRoughDays(dur) / 30; 
    } 
    function asRoughDays(dur) { 
        return asRoughMs(dur) / 864e5; 
    } 
    function asRoughMinutes(dur) { 
        return asRoughMs(dur) / (1000 * 60); 
    } 
    function asRoughSeconds(dur) { 
        return asRoughMs(dur) / 1000; 
    } 
    function asRoughMs(dur) { 
        return dur.years * (365 * 864e5) + 
            dur.months * (30 * 864e5) + 
            dur.days * 864e5 + 
            dur.milliseconds; 
    } 
    // Advanced Math 
    function wholeDivideDurations(numerator, denominator) { 
        var res = null; 
        for (var i = 0; i < INTERNAL_UNITS.length; i++) { 
            var unit = INTERNAL_UNITS[i]; 
            if (denominator[unit]) { 
                var localRes = numerator[unit] / denominator[unit]; 
                if (!isInt(localRes) || (res !== null && res !== localRes)) { 
                    return null; 
                } 
                res = localRes; 
            } 
            else if (numerator[unit]) { 
                // needs to divide by something but can't! 
                return null; 
            } 
        } 
        return res; 
    } 
    function greatestDurationDenominator(dur) { 
        var ms = dur.milliseconds; 
        if (ms) { 
            if (ms % 1000 !== 0) { 
                return { unit: 'millisecond', value: ms }; 
            } 
            if (ms % (1000 * 60) !== 0) { 
                return { unit: 'second', value: ms / 1000 }; 
            } 
            if (ms % (1000 * 60 * 60) !== 0) { 
                return { unit: 'minute', value: ms / (1000 * 60) }; 
            } 
            if (ms) { 
                return { unit: 'hour', value: ms / (1000 * 60 * 60) }; 
            } 
        } 
        if (dur.days) { 
            if (dur.specifiedWeeks && dur.days % 7 === 0) { 
                return { unit: 'week', value: dur.days / 7 }; 
            } 
            return { unit: 'day', value: dur.days }; 
        } 
        if (dur.months) { 
            return { unit: 'month', value: dur.months }; 
        } 
        if (dur.years) { 
            return { unit: 'year', value: dur.years }; 
        } 
        return { unit: 'millisecond', value: 0 }; 
    } 
 
    // timeZoneOffset is in minutes 
    function buildIsoString(marker, timeZoneOffset, stripZeroTime) { 
        if (stripZeroTime === void 0) { stripZeroTime = false; } 
        var s = marker.toISOString(); 
        s = s.replace('.000', ''); 
        if (stripZeroTime) { 
            s = s.replace('T00:00:00Z', ''); 
        } 
        if (s.length > 10) { // time part wasn't stripped, can add timezone info 
            if (timeZoneOffset == null) { 
                s = s.replace('Z', ''); 
            } 
            else if (timeZoneOffset !== 0) { 
                s = s.replace('Z', formatTimeZoneOffset(timeZoneOffset, true)); 
            } 
            // otherwise, its UTC-0 and we want to keep the Z 
        } 
        return s; 
    } 
    // formats the date, but with no time part 
    // TODO: somehow merge with buildIsoString and stripZeroTime 
    // TODO: rename. omit "string" 
    function formatDayString(marker) { 
        return marker.toISOString().replace(/T.*$/, ''); 
    } 
    // TODO: use Date::toISOString and use everything after the T? 
    function formatIsoTimeString(marker) { 
        return padStart(marker.getUTCHours(), 2) + ':' + 
            padStart(marker.getUTCMinutes(), 2) + ':' + 
            padStart(marker.getUTCSeconds(), 2); 
    } 
    function formatTimeZoneOffset(minutes, doIso) { 
        if (doIso === void 0) { doIso = false; } 
        var sign = minutes < 0 ? '-' : '+'; 
        var abs = Math.abs(minutes); 
        var hours = Math.floor(abs / 60); 
        var mins = Math.round(abs % 60); 
        if (doIso) { 
            return sign + padStart(hours, 2) + ':' + padStart(mins, 2); 
        } 
        else { 
            return 'GMT' + sign + hours + (mins ? ':' + padStart(mins, 2) : ''); 
        } 
    } 
 
    function memoize(workerFunc, resEquality, teardownFunc) { 
        var currentArgs; 
        var currentRes; 
        return function () { 
            var newArgs = []; 
            for (var _i = 0; _i < arguments.length; _i++) { 
                newArgs[_i] = arguments[_i]; 
            } 
            if (!currentArgs) { 
                currentRes = workerFunc.apply(this, newArgs); 
            } 
            else if (!isArraysEqual(currentArgs, newArgs)) { 
                if (teardownFunc) { 
                    teardownFunc(currentRes); 
                } 
                var res = workerFunc.apply(this, newArgs); 
                if (!resEquality || !resEquality(res, currentRes)) { 
                    currentRes = res; 
                } 
            } 
            currentArgs = newArgs; 
            return currentRes; 
        }; 
    } 
    function memoizeObjArg(workerFunc, resEquality, teardownFunc) { 
        var currentArg; 
        var currentRes; 
        return function (newArg) { 
            if (!currentArg) { 
                currentRes = workerFunc.call(this, newArg); 
            } 
            else if (!isPropsEqual(currentArg, newArg)) { 
                if (teardownFunc) { 
                    teardownFunc(currentRes); 
                } 
                var res = workerFunc.call(this, newArg); 
                if (!resEquality || !resEquality(res, currentRes)) { 
                    currentRes = res; 
                } 
            } 
            currentArg = newArg; 
            return currentRes; 
        }; 
    } 
    function memoizeArraylike(// used at all? 
    workerFunc, resEquality, teardownFunc) { 
        var currentArgSets = []; 
        var currentResults = []; 
        return function (newArgSets) { 
            var currentLen = currentArgSets.length; 
            var newLen = newArgSets.length; 
            var i = 0; 
            for (; i < currentLen; i++) { 
                if (!newArgSets[i]) { // one of the old sets no longer exists 
                    if (teardownFunc) { 
                        teardownFunc(currentResults[i]); 
                    } 
                } 
                else if (!isArraysEqual(currentArgSets[i], newArgSets[i])) { 
                    if (teardownFunc) { 
                        teardownFunc(currentResults[i]); 
                    } 
                    var res = workerFunc.apply(this, newArgSets[i]); 
                    if (!resEquality || !resEquality(res, currentResults[i])) { 
                        currentResults[i] = res; 
                    } 
                } 
            } 
            for (; i < newLen; i++) { 
                currentResults[i] = workerFunc.apply(this, newArgSets[i]); 
            } 
            currentArgSets = newArgSets; 
            currentResults.splice(newLen); // remove excess 
            return currentResults; 
        }; 
    } 
    function memoizeHashlike(// used? 
    workerFunc, resEquality, teardownFunc // TODO: change arg order 
    ) { 
        var currentArgHash = {}; 
        var currentResHash = {}; 
        return function (newArgHash) { 
            var newResHash = {}; 
            for (var key in newArgHash) { 
                if (!currentResHash[key]) { 
                    newResHash[key] = workerFunc.apply(this, newArgHash[key]); 
                } 
                else if (!isArraysEqual(currentArgHash[key], newArgHash[key])) { 
                    if (teardownFunc) { 
                        teardownFunc(currentResHash[key]); 
                    } 
                    var res = workerFunc.apply(this, newArgHash[key]); 
                    newResHash[key] = (resEquality && resEquality(res, currentResHash[key])) 
                        ? currentResHash[key] 
                        : res; 
                } 
                else { 
                    newResHash[key] = currentResHash[key]; 
                } 
            } 
            currentArgHash = newArgHash; 
            currentResHash = newResHash; 
            return newResHash; 
        }; 
    } 
 
    var EXTENDED_SETTINGS_AND_SEVERITIES = { 
        week: 3, 
        separator: 0, 
        omitZeroMinute: 0, 
        meridiem: 0, 
        omitCommas: 0 
    }; 
    var STANDARD_DATE_PROP_SEVERITIES = { 
        timeZoneName: 7, 
        era: 6, 
        year: 5, 
        month: 4, 
        day: 2, 
        weekday: 2, 
        hour: 1, 
        minute: 1, 
        second: 1 
    }; 
    var MERIDIEM_RE = /\s*([ap])\.?m\.?/i; // eats up leading spaces too 
    var COMMA_RE = /,/g; // we need re for globalness 
    var MULTI_SPACE_RE = /\s+/g; 
    var LTR_RE = //g; // control character 
    var UTC_RE = /UTC|GMT/; 
    var NativeFormatter = /** @class */ (function () { 
        function NativeFormatter(formatSettings) { 
            var standardDateProps = {}; 
            var extendedSettings = {}; 
            var severity = 0; 
            for (var name_1 in formatSettings) { 
                if (name_1 in EXTENDED_SETTINGS_AND_SEVERITIES) { 
                    extendedSettings[name_1] = formatSettings[name_1]; 
                    severity = Math.max(EXTENDED_SETTINGS_AND_SEVERITIES[name_1], severity); 
                } 
                else { 
                    standardDateProps[name_1] = formatSettings[name_1]; 
                    if (name_1 in STANDARD_DATE_PROP_SEVERITIES) { // TODO: what about hour12? no severity 
                        severity = Math.max(STANDARD_DATE_PROP_SEVERITIES[name_1], severity); 
                    } 
                } 
            } 
            this.standardDateProps = standardDateProps; 
            this.extendedSettings = extendedSettings; 
            this.severity = severity; 
            this.buildFormattingFunc = memoize(buildFormattingFunc); 
        } 
        NativeFormatter.prototype.format = function (date, context) { 
            return this.buildFormattingFunc(this.standardDateProps, this.extendedSettings, context)(date); 
        }; 
        NativeFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) { 
            var _a = this, standardDateProps = _a.standardDateProps, extendedSettings = _a.extendedSettings; 
            var diffSeverity = computeMarkerDiffSeverity(start.marker, end.marker, context.calendarSystem); 
            if (!diffSeverity) { 
                return this.format(start, context); 
            } 
            var biggestUnitForPartial = diffSeverity; 
            if (biggestUnitForPartial > 1 && // the two dates are different in a way that's larger scale than time 
                (standardDateProps.year === 'numeric' || standardDateProps.year === '2-digit') && 
                (standardDateProps.month === 'numeric' || standardDateProps.month === '2-digit') && 
                (standardDateProps.day === 'numeric' || standardDateProps.day === '2-digit')) { 
                biggestUnitForPartial = 1; // make it look like the dates are only different in terms of time 
            } 
            var full0 = this.format(start, context); 
            var full1 = this.format(end, context); 
            if (full0 === full1) { 
                return full0; 
            } 
            var partialDateProps = computePartialFormattingOptions(standardDateProps, biggestUnitForPartial); 
            var partialFormattingFunc = buildFormattingFunc(partialDateProps, extendedSettings, context); 
            var partial0 = partialFormattingFunc(start); 
            var partial1 = partialFormattingFunc(end); 
            var insertion = findCommonInsertion(full0, partial0, full1, partial1); 
            var separator = extendedSettings.separator || betterDefaultSeparator || context.defaultSeparator || ''; 
            if (insertion) { 
                return insertion.before + partial0 + separator + partial1 + insertion.after; 
            } 
            return full0 + separator + full1; 
        }; 
        NativeFormatter.prototype.getLargestUnit = function () { 
            switch (this.severity) { 
                case 7: 
                case 6: 
                case 5: 
                    return 'year'; 
                case 4: 
                    return 'month'; 
                case 3: 
                    return 'week'; 
                case 2: 
                    return 'day'; 
                default: 
                    return 'time'; // really? 
            } 
        }; 
        return NativeFormatter; 
    }()); 
    function buildFormattingFunc(standardDateProps, extendedSettings, context) { 
        var standardDatePropCnt = Object.keys(standardDateProps).length; 
        if (standardDatePropCnt === 1 && standardDateProps.timeZoneName === 'short') { 
            return function (date) { 
                return formatTimeZoneOffset(date.timeZoneOffset); 
            }; 
        } 
        if (standardDatePropCnt === 0 && extendedSettings.week) { 
            return function (date) { 
                return formatWeekNumber(context.computeWeekNumber(date.marker), context.weekText, context.locale, extendedSettings.week); 
            }; 
        } 
        return buildNativeFormattingFunc(standardDateProps, extendedSettings, context); 
    } 
    function buildNativeFormattingFunc(standardDateProps, extendedSettings, context) { 
        standardDateProps = __assign({}, standardDateProps); // copy 
        extendedSettings = __assign({}, extendedSettings); // copy 
        sanitizeSettings(standardDateProps, extendedSettings); 
        standardDateProps.timeZone = 'UTC'; // we leverage the only guaranteed timeZone for our UTC markers 
        var normalFormat = new Intl.DateTimeFormat(context.locale.codes, standardDateProps); 
        var zeroFormat; // needed? 
        if (extendedSettings.omitZeroMinute) { 
            var zeroProps = __assign({}, standardDateProps); 
            delete zeroProps.minute; // seconds and ms were already considered in sanitizeSettings 
            zeroFormat = new Intl.DateTimeFormat(context.locale.codes, zeroProps); 
        } 
        return function (date) { 
            var marker = date.marker; 
            var format; 
            if (zeroFormat && !marker.getUTCMinutes()) { 
                format = zeroFormat; 
            } 
            else { 
                format = normalFormat; 
            } 
            var s = format.format(marker); 
            return postProcess(s, date, standardDateProps, extendedSettings, context); 
        }; 
    } 
    function sanitizeSettings(standardDateProps, extendedSettings) { 
        // deal with a browser inconsistency where formatting the timezone 
        // requires that the hour/minute be present. 
        if (standardDateProps.timeZoneName) { 
            if (!standardDateProps.hour) { 
                standardDateProps.hour = '2-digit'; 
            } 
            if (!standardDateProps.minute) { 
                standardDateProps.minute = '2-digit'; 
            } 
        } 
        // only support short timezone names 
        if (standardDateProps.timeZoneName === 'long') { 
            standardDateProps.timeZoneName = 'short'; 
        } 
        // if requesting to display seconds, MUST display minutes 
        if (extendedSettings.omitZeroMinute && (standardDateProps.second || standardDateProps.millisecond)) { 
            delete extendedSettings.omitZeroMinute; 
        } 
    } 
    function postProcess(s, date, standardDateProps, extendedSettings, context) { 
        s = s.replace(LTR_RE, ''); // remove left-to-right control chars. do first. good for other regexes 
        if (standardDateProps.timeZoneName === 'short') { 
            s = injectTzoStr(s, (context.timeZone === 'UTC' || date.timeZoneOffset == null) ? 
                'UTC' : // important to normalize for IE, which does "GMT" 
                formatTimeZoneOffset(date.timeZoneOffset)); 
        } 
        if (extendedSettings.omitCommas) { 
            s = s.replace(COMMA_RE, '').trim(); 
        } 
        if (extendedSettings.omitZeroMinute) { 
            s = s.replace(':00', ''); // zeroFormat doesn't always achieve this 
        } 
        // ^ do anything that might create adjacent spaces before this point, 
        // because MERIDIEM_RE likes to eat up loading spaces 
        if (extendedSettings.meridiem === false) { 
            s = s.replace(MERIDIEM_RE, '').trim(); 
        } 
        else if (extendedSettings.meridiem === 'narrow') { // a/p 
            s = s.replace(MERIDIEM_RE, function (m0, m1) { 
                return m1.toLocaleLowerCase(); 
            }); 
        } 
        else if (extendedSettings.meridiem === 'short') { // am/pm 
            s = s.replace(MERIDIEM_RE, function (m0, m1) { 
                return m1.toLocaleLowerCase() + 'm'; 
            }); 
        } 
        else if (extendedSettings.meridiem === 'lowercase') { // other meridiem transformers already converted to lowercase 
            s = s.replace(MERIDIEM_RE, function (m0) { 
                return m0.toLocaleLowerCase(); 
            }); 
        } 
        s = s.replace(MULTI_SPACE_RE, ' '); 
        s = s.trim(); 
        return s; 
    } 
    function injectTzoStr(s, tzoStr) { 
        var replaced = false; 
        s = s.replace(UTC_RE, function () { 
            replaced = true; 
            return tzoStr; 
        }); 
        // IE11 doesn't include UTC/GMT in the original string, so append to end 
        if (!replaced) { 
            s += ' ' + tzoStr; 
        } 
        return s; 
    } 
    function formatWeekNumber(num, weekText, locale, display) { 
        var parts = []; 
        if (display === 'narrow') { 
            parts.push(weekText); 
        } 
        else if (display === 'short') { 
            parts.push(weekText, ' '); 
        } 
        // otherwise, considered 'numeric' 
        parts.push(locale.simpleNumberFormat.format(num)); 
        if (locale.options.direction === 'rtl') { // TODO: use control characters instead? 
            parts.reverse(); 
        } 
        return parts.join(''); 
    } 
    // Range Formatting Utils 
    // 0 = exactly the same 
    // 1 = different by time 
    // and bigger 
    function computeMarkerDiffSeverity(d0, d1, ca) { 
        if (ca.getMarkerYear(d0) !== ca.getMarkerYear(d1)) { 
            return 5; 
        } 
        if (ca.getMarkerMonth(d0) !== ca.getMarkerMonth(d1)) { 
            return 4; 
        } 
        if (ca.getMarkerDay(d0) !== ca.getMarkerDay(d1)) { 
            return 2; 
        } 
        if (timeAsMs(d0) !== timeAsMs(d1)) { 
            return 1; 
        } 
        return 0; 
    } 
    function computePartialFormattingOptions(options, biggestUnit) { 
        var partialOptions = {}; 
        for (var name_2 in options) { 
            if (!(name_2 in STANDARD_DATE_PROP_SEVERITIES) || // not a date part prop (like timeZone) 
                STANDARD_DATE_PROP_SEVERITIES[name_2] <= biggestUnit) { 
                partialOptions[name_2] = options[name_2]; 
            } 
        } 
        return partialOptions; 
    } 
    function findCommonInsertion(full0, partial0, full1, partial1) { 
        var i0 = 0; 
        while (i0 < full0.length) { 
            var found0 = full0.indexOf(partial0, i0); 
            if (found0 === -1) { 
                break; 
            } 
            var before0 = full0.substr(0, found0); 
            i0 = found0 + partial0.length; 
            var after0 = full0.substr(i0); 
            var i1 = 0; 
            while (i1 < full1.length) { 
                var found1 = full1.indexOf(partial1, i1); 
                if (found1 === -1) { 
                    break; 
                } 
                var before1 = full1.substr(0, found1); 
                i1 = found1 + partial1.length; 
                var after1 = full1.substr(i1); 
                if (before0 === before1 && after0 === after1) { 
                    return { 
                        before: before0, 
                        after: after0 
                    }; 
                } 
            } 
        } 
        return null; 
    } 
 
    function expandZonedMarker(dateInfo, calendarSystem) { 
        var a = calendarSystem.markerToArray(dateInfo.marker); 
        return { 
            marker: dateInfo.marker, 
            timeZoneOffset: dateInfo.timeZoneOffset, 
            array: a, 
            year: a[0], 
            month: a[1], 
            day: a[2], 
            hour: a[3], 
            minute: a[4], 
            second: a[5], 
            millisecond: a[6] 
        }; 
    } 
 
    function createVerboseFormattingArg(start, end, context, betterDefaultSeparator) { 
        var startInfo = expandZonedMarker(start, context.calendarSystem); 
        var endInfo = end ? expandZonedMarker(end, context.calendarSystem) : null; 
        return { 
            date: startInfo, 
            start: startInfo, 
            end: endInfo, 
            timeZone: context.timeZone, 
            localeCodes: context.locale.codes, 
            defaultSeparator: betterDefaultSeparator || context.defaultSeparator 
        }; 
    } 
 
    /* 
    TODO: fix the terminology of "formatter" vs "formatting func" 
    */ 
    /* 
    At the time of instantiation, this object does not know which cmd-formatting system it will use. 
    It receives this at the time of formatting, as a setting. 
    */ 
    var CmdFormatter = /** @class */ (function () { 
        function CmdFormatter(cmdStr) { 
            this.cmdStr = cmdStr; 
        } 
        CmdFormatter.prototype.format = function (date, context, betterDefaultSeparator) { 
            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(date, null, context, betterDefaultSeparator)); 
        }; 
        CmdFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) { 
            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(start, end, context, betterDefaultSeparator)); 
        }; 
        return CmdFormatter; 
    }()); 
 
    var FuncFormatter = /** @class */ (function () { 
        function FuncFormatter(func) { 
            this.func = func; 
        } 
        FuncFormatter.prototype.format = function (date, context, betterDefaultSeparator) { 
            return this.func(createVerboseFormattingArg(date, null, context, betterDefaultSeparator)); 
        }; 
        FuncFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) { 
            return this.func(createVerboseFormattingArg(start, end, context, betterDefaultSeparator)); 
        }; 
        return FuncFormatter; 
    }()); 
 
    function createFormatter(input) { 
        if (typeof input === 'object' && input) { // non-null object 
            return new NativeFormatter(input); 
        } 
        else if (typeof input === 'string') { 
            return new CmdFormatter(input); 
        } 
        else if (typeof input === 'function') { 
            return new FuncFormatter(input); 
        } 
    } 
 
    // base options 
    // ------------ 
    var BASE_OPTION_REFINERS = { 
        navLinkDayClick: identity, 
        navLinkWeekClick: identity, 
        duration: createDuration, 
        bootstrapFontAwesome: identity, 
        buttonIcons: identity, 
        customButtons: identity, 
        defaultAllDayEventDuration: createDuration, 
        defaultTimedEventDuration: createDuration, 
        nextDayThreshold: createDuration, 
        scrollTime: createDuration, 
        slotMinTime: createDuration, 
        slotMaxTime: createDuration, 
        dayPopoverFormat: createFormatter, 
        slotDuration: createDuration, 
        snapDuration: createDuration, 
        headerToolbar: identity, 
        footerToolbar: identity, 
        defaultRangeSeparator: String, 
        titleRangeSeparator: String, 
        forceEventDuration: Boolean, 
        dayHeaders: Boolean, 
        dayHeaderFormat: createFormatter, 
        dayHeaderClassNames: identity, 
        dayHeaderContent: identity, 
        dayHeaderDidMount: identity, 
        dayHeaderWillUnmount: identity, 
        dayCellClassNames: identity, 
        dayCellContent: identity, 
        dayCellDidMount: identity, 
        dayCellWillUnmount: identity, 
        initialView: String, 
        aspectRatio: Number, 
        weekends: Boolean, 
        weekNumberCalculation: identity, 
        weekNumbers: Boolean, 
        weekNumberClassNames: identity, 
        weekNumberContent: identity, 
        weekNumberDidMount: identity, 
        weekNumberWillUnmount: identity, 
        editable: Boolean, 
        viewClassNames: identity, 
        viewDidMount: identity, 
        viewWillUnmount: identity, 
        nowIndicator: Boolean, 
        nowIndicatorClassNames: identity, 
        nowIndicatorContent: identity, 
        nowIndicatorDidMount: identity, 
        nowIndicatorWillUnmount: identity, 
        showNonCurrentDates: Boolean, 
        lazyFetching: Boolean, 
        startParam: String, 
        endParam: String, 
        timeZoneParam: String, 
        timeZone: String, 
        locales: identity, 
        locale: identity, 
        themeSystem: String, 
        dragRevertDuration: Number, 
        dragScroll: Boolean, 
        allDayMaintainDuration: Boolean, 
        unselectAuto: Boolean, 
        dropAccept: identity, 
        eventOrder: parseFieldSpecs, 
        handleWindowResize: Boolean, 
        windowResizeDelay: Number, 
        longPressDelay: Number, 
        eventDragMinDistance: Number, 
        expandRows: Boolean, 
        height: identity, 
        contentHeight: identity, 
        direction: String, 
        weekNumberFormat: createFormatter, 
        eventResizableFromStart: Boolean, 
        displayEventTime: Boolean, 
        displayEventEnd: Boolean, 
        weekText: String, 
        progressiveEventRendering: Boolean, 
        businessHours: identity, 
        initialDate: identity, 
        now: identity, 
        eventDataTransform: identity, 
        stickyHeaderDates: identity, 
        stickyFooterScrollbar: identity, 
        viewHeight: identity, 
        defaultAllDay: Boolean, 
        eventSourceFailure: identity, 
        eventSourceSuccess: identity, 
        eventDisplay: String, 
        eventStartEditable: Boolean, 
        eventDurationEditable: Boolean, 
        eventOverlap: identity, 
        eventConstraint: identity, 
        eventAllow: identity, 
        eventBackgroundColor: String, 
        eventBorderColor: String, 
        eventTextColor: String, 
        eventColor: String, 
        eventClassNames: identity, 
        eventContent: identity, 
        eventDidMount: identity, 
        eventWillUnmount: identity, 
        selectConstraint: identity, 
        selectOverlap: identity, 
        selectAllow: identity, 
        droppable: Boolean, 
        unselectCancel: String, 
        slotLabelFormat: identity, 
        slotLaneClassNames: identity, 
        slotLaneContent: identity, 
        slotLaneDidMount: identity, 
        slotLaneWillUnmount: identity, 
        slotLabelClassNames: identity, 
        slotLabelContent: identity, 
        slotLabelDidMount: identity, 
        slotLabelWillUnmount: identity, 
        dayMaxEvents: identity, 
        dayMaxEventRows: identity, 
        dayMinWidth: Number, 
        slotLabelInterval: createDuration, 
        allDayText: String, 
        allDayClassNames: identity, 
        allDayContent: identity, 
        allDayDidMount: identity, 
        allDayWillUnmount: identity, 
        slotMinWidth: Number, 
        navLinks: Boolean, 
        eventTimeFormat: createFormatter, 
        rerenderDelay: Number, 
        moreLinkText: identity, 
        selectMinDistance: Number, 
        selectable: Boolean, 
        selectLongPressDelay: Number, 
        eventLongPressDelay: Number, 
        selectMirror: Boolean, 
        eventMinHeight: Number, 
        slotEventOverlap: Boolean, 
        plugins: identity, 
        firstDay: Number, 
        dayCount: Number, 
        dateAlignment: String, 
        dateIncrement: createDuration, 
        hiddenDays: identity, 
        monthMode: Boolean, 
        fixedWeekCount: Boolean, 
        validRange: identity, 
        visibleRange: identity, 
        titleFormat: identity, 
        // only used by list-view, but languages define the value, so we need it in base options 
        noEventsText: String 
    }; 
    // do NOT give a type here. need `typeof BASE_OPTION_DEFAULTS` to give real results. 
    // raw values. 
    var BASE_OPTION_DEFAULTS = { 
        eventDisplay: 'auto', 
        defaultRangeSeparator: ' - ', 
        titleRangeSeparator: '  ', 
        defaultTimedEventDuration: '01:00:00', 
        defaultAllDayEventDuration: { day: 1 }, 
        forceEventDuration: false, 
        nextDayThreshold: '00:00:00', 
        dayHeaders: true, 
        initialView: '', 
        aspectRatio: 1.35, 
        headerToolbar: { 
            start: 'title', 
            center: '', 
            end: 'today prev,next' 
        }, 
        weekends: true, 
        weekNumbers: false, 
        weekNumberCalculation: 'local', 
        editable: false, 
        nowIndicator: false, 
        scrollTime: '06:00:00', 
        slotMinTime: '00:00:00', 
        slotMaxTime: '24:00:00', 
        showNonCurrentDates: true, 
        lazyFetching: true, 
        startParam: 'start', 
        endParam: 'end', 
        timeZoneParam: 'timeZone', 
        timeZone: 'local', 
        locales: [], 
        locale: '', 
        themeSystem: 'standard', 
        dragRevertDuration: 500, 
        dragScroll: true, 
        allDayMaintainDuration: false, 
        unselectAuto: true, 
        dropAccept: '*', 
        eventOrder: 'start,-duration,allDay,title', 
        dayPopoverFormat: { month: 'long', day: 'numeric', year: 'numeric' }, 
        handleWindowResize: true, 
        windowResizeDelay: 100, 
        longPressDelay: 1000, 
        eventDragMinDistance: 5, 
        expandRows: false, 
        navLinks: false, 
        selectable: false 
    }; 
    // calendar listeners 
    // ------------------ 
    var CALENDAR_LISTENER_REFINERS = { 
        datesSet: identity, 
        eventsSet: identity, 
        eventAdd: identity, 
        eventChange: identity, 
        eventRemove: identity, 
        windowResize: identity, 
        eventClick: identity, 
        eventMouseEnter: identity, 
        eventMouseLeave: identity, 
        select: identity, 
        unselect: identity, 
        loading: identity, 
        // internal 
        _unmount: identity, 
        _beforeprint: identity, 
        _afterprint: identity, 
        _noEventDrop: identity, 
        _noEventResize: identity, 
        _resize: identity, 
        _scrollRequest: identity 
    }; 
    // calendar-specific options 
    // ------------------------- 
    var CALENDAR_OPTION_REFINERS = { 
        buttonText: identity, 
        views: identity, 
        plugins: identity, 
        initialEvents: identity, 
        events: identity, 
        eventSources: identity 
    }; 
    var COMPLEX_OPTION_COMPARATORS = { 
        headerToolbar: isBoolComplexEqual, 
        footerToolbar: isBoolComplexEqual, 
        buttonText: isBoolComplexEqual, 
        buttonIcons: isBoolComplexEqual 
    }; 
    function isBoolComplexEqual(a, b) { 
        if (typeof a === 'object' && typeof b === 'object' && a && b) { // both non-null objects 
            return isPropsEqual(a, b); 
        } 
        else { 
            return a === b; 
        } 
    } 
    // view-specific options 
    // --------------------- 
    var VIEW_OPTION_REFINERS = { 
        type: String, 
        component: identity, 
        buttonText: String, 
        buttonTextKey: String, 
        dateProfileGeneratorClass: identity, 
        usesMinMaxTime: Boolean, 
        classNames: identity, 
        content: identity, 
        didMount: identity, 
        willUnmount: identity 
    }; 
    // util funcs 
    // ---------------------------------------------------------------------------------------------------- 
    function mergeRawOptions(optionSets) { 
        return mergeProps(optionSets, COMPLEX_OPTION_COMPARATORS); 
    } 
    function refineProps(input, refiners) { 
        var refined = {}; 
        var extra = {}; 
        for (var propName in refiners) { 
            if (propName in input) { 
                refined[propName] = refiners[propName](input[propName]); 
            } 
        } 
        for (var propName in input) { 
            if (!(propName in refiners)) { 
                extra[propName] = input[propName]; 
            } 
        } 
        return { refined: refined, extra: extra }; 
    } 
    function identity(raw) { 
        return raw; 
    } 
 
    function parseEvents(rawEvents, eventSource, context, allowOpenRange) { 
        var eventStore = createEmptyEventStore(); 
        var eventRefiners = buildEventRefiners(context); 
        for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) { 
            var rawEvent = rawEvents_1[_i]; 
            var tuple = parseEvent(rawEvent, eventSource, context, allowOpenRange, eventRefiners); 
            if (tuple) { 
                eventTupleToStore(tuple, eventStore); 
            } 
        } 
        return eventStore; 
    } 
    function eventTupleToStore(tuple, eventStore) { 
        if (eventStore === void 0) { eventStore = createEmptyEventStore(); } 
        eventStore.defs[tuple.def.defId] = tuple.def; 
        if (tuple.instance) { 
            eventStore.instances[tuple.instance.instanceId] = tuple.instance; 
        } 
        return eventStore; 
    } 
    // retrieves events that have the same groupId as the instance specified by `instanceId` 
    // or they are the same as the instance. 
    // why might instanceId not be in the store? an event from another calendar? 
    function getRelevantEvents(eventStore, instanceId) { 
        var instance = eventStore.instances[instanceId]; 
        if (instance) { 
            var def_1 = eventStore.defs[instance.defId]; 
            // get events/instances with same group 
            var newStore = filterEventStoreDefs(eventStore, function (lookDef) { 
                return isEventDefsGrouped(def_1, lookDef); 
            }); 
            // add the original 
            // TODO: wish we could use eventTupleToStore or something like it 
            newStore.defs[def_1.defId] = def_1; 
            newStore.instances[instance.instanceId] = instance; 
            return newStore; 
        } 
        return createEmptyEventStore(); 
    } 
    function isEventDefsGrouped(def0, def1) { 
        return Boolean(def0.groupId && def0.groupId === def1.groupId); 
    } 
    function createEmptyEventStore() { 
        return { defs: {}, instances: {} }; 
    } 
    function mergeEventStores(store0, store1) { 
        return { 
            defs: __assign(__assign({}, store0.defs), store1.defs), 
            instances: __assign(__assign({}, store0.instances), store1.instances) 
        }; 
    } 
    function filterEventStoreDefs(eventStore, filterFunc) { 
        var defs = filterHash(eventStore.defs, filterFunc); 
        var instances = filterHash(eventStore.instances, function (instance) { 
            return defs[instance.defId]; // still exists? 
        }); 
        return { defs: defs, instances: instances }; 
    } 
    function excludeSubEventStore(master, sub) { 
        var defs = master.defs, instances = master.instances; 
        var filteredDefs = {}; 
        var filteredInstances = {}; 
        for (var defId in defs) { 
            if (!sub.defs[defId]) { // not explicitly excluded 
                filteredDefs[defId] = defs[defId]; 
            } 
        } 
        for (var instanceId in instances) { 
            if (!sub.instances[instanceId] && // not explicitly excluded 
                filteredDefs[instances[instanceId].defId] // def wasn't filtered away 
            ) { 
                filteredInstances[instanceId] = instances[instanceId]; 
            } 
        } 
        return { 
            defs: filteredDefs, 
            instances: filteredInstances 
        }; 
    } 
 
    function normalizeConstraint(input, context) { 
        if (Array.isArray(input)) { 
            return parseEvents(input, null, context, true); // allowOpenRange=true 
        } 
        else if (typeof input === 'object' && input) { // non-null object 
            return parseEvents([input], null, context, true); // allowOpenRange=true 
        } 
        else if (input != null) { 
            return String(input); 
        } 
        else { 
            return null; 
        } 
    } 
 
    function parseClassNames(raw) { 
        if (Array.isArray(raw)) { 
            return raw; 
        } 
        else if (typeof raw === 'string') { 
            return raw.split(/\s+/); 
        } 
        else { 
            return []; 
        } 
    } 
 
    // TODO: better called "EventSettings" or "EventConfig" 
    // TODO: move this file into structs 
    // TODO: separate constraint/overlap/allow, because selection uses only that, not other props 
    var EVENT_UI_REFINERS = { 
        display: String, 
        editable: Boolean, 
        startEditable: Boolean, 
        durationEditable: Boolean, 
        constraint: identity, 
        overlap: identity, 
        allow: identity, 
        className: parseClassNames, 
        classNames: parseClassNames, 
        color: String, 
        backgroundColor: String, 
        borderColor: String, 
        textColor: String 
    }; 
    function createEventUi(refined, context) { 
        var constraint = normalizeConstraint(refined.constraint, context); 
        return { 
            display: refined.display || null, 
            startEditable: refined.startEditable != null ? refined.startEditable : refined.editable, 
            durationEditable: refined.durationEditable != null ? refined.durationEditable : refined.editable, 
            constraints: constraint != null ? [constraint] : [], 
            overlap: refined.overlap != null ? refined.overlap : null, 
            allows: refined.allow != null ? [refined.allow] : [], 
            backgroundColor: refined.backgroundColor || refined.color || '', 
            borderColor: refined.borderColor || refined.color || '', 
            textColor: refined.textColor || '', 
            classNames: (refined.className || []).concat(refined.classNames || []) // join singular and plural 
        }; 
    } 
    // TODO: prevent against problems with <2 args! 
    function combineEventUis(uis) { 
        return uis.reduce(combineTwoEventUis, EMPTY_EVENT_UI); 
    } 
    function combineTwoEventUis(item0, item1) { 
        return { 
            display: item1.display != null ? item1.display : item0.display, 
            startEditable: item1.startEditable != null ? item1.startEditable : item0.startEditable, 
            durationEditable: item1.durationEditable != null ? item1.durationEditable : item0.durationEditable, 
            constraints: item0.constraints.concat(item1.constraints), 
            overlap: typeof item1.overlap === 'boolean' ? item1.overlap : item0.overlap, 
            allows: item0.allows.concat(item1.allows), 
            backgroundColor: item1.backgroundColor || item0.backgroundColor, 
            borderColor: item1.borderColor || item0.borderColor, 
            textColor: item1.textColor || item0.textColor, 
            classNames: item0.classNames.concat(item1.classNames) 
        }; 
    } 
    var EMPTY_EVENT_UI = { 
        display: null, 
        startEditable: null, 
        durationEditable: null, 
        constraints: [], 
        overlap: null, 
        allows: [], 
        backgroundColor: '', 
        borderColor: '', 
        textColor: '', 
        classNames: [] 
    }; 
 
    var EVENT_NON_DATE_REFINERS = { 
        id: String, 
        groupId: String, 
        title: String, 
        url: String 
    }; 
    var EVENT_DATE_REFINERS = { 
        start: identity, 
        end: identity, 
        date: identity, 
        allDay: Boolean 
    }; 
    var EVENT_REFINERS = __assign(__assign(__assign({}, EVENT_NON_DATE_REFINERS), EVENT_DATE_REFINERS), { extendedProps: identity }); 
    function parseEvent(raw, eventSource, context, allowOpenRange, refiners) { 
        if (refiners === void 0) { refiners = buildEventRefiners(context); } 
        var _a = refineEventDef(raw, context, refiners), refined = _a.refined, extra = _a.extra; 
        var defaultAllDay = computeIsDefaultAllDay(eventSource, context); 
        var recurringRes = parseRecurring(refined, defaultAllDay, context.dateEnv, context.pluginHooks.recurringTypes); 
        if (recurringRes) { 
            var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', recurringRes.allDay, Boolean(recurringRes.duration), context); 
            def.recurringDef = { 
                typeId: recurringRes.typeId, 
                typeData: recurringRes.typeData, 
                duration: recurringRes.duration 
            }; 
            return { def: def, instance: null }; 
        } 
        else { 
            var singleRes = parseSingle(refined, defaultAllDay, context, allowOpenRange); 
            if (singleRes) { 
                var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', singleRes.allDay, singleRes.hasEnd, context); 
                var instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo); 
                return { def: def, instance: instance }; 
            } 
        } 
        return null; 
    } 
    function refineEventDef(raw, context, refiners) { 
        if (refiners === void 0) { refiners = buildEventRefiners(context); } 
        return refineProps(raw, refiners); 
    } 
    function buildEventRefiners(context) { 
        return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_REFINERS), context.pluginHooks.eventRefiners); 
    } 
    /* 
    Will NOT populate extendedProps with the leftover properties. 
    Will NOT populate date-related props. 
    */ 
    function parseEventDef(refined, extra, sourceId, allDay, hasEnd, context) { 
        var def = { 
            title: refined.title || '', 
            groupId: refined.groupId || '', 
            publicId: refined.id || '', 
            url: refined.url || '', 
            recurringDef: null, 
            defId: guid(), 
            sourceId: sourceId, 
            allDay: allDay, 
            hasEnd: hasEnd, 
            ui: createEventUi(refined, context), 
            extendedProps: __assign(__assign({}, (refined.extendedProps || {})), extra) 
        }; 
        for (var _i = 0, _a = context.pluginHooks.eventDefMemberAdders; _i < _a.length; _i++) { 
            var memberAdder = _a[_i]; 
            __assign(def, memberAdder(refined)); 
        } 
        // help out EventApi from having user modify props 
        Object.freeze(def.ui.classNames); 
        Object.freeze(def.extendedProps); 
        return def; 
    } 
    function parseSingle(refined, defaultAllDay, context, allowOpenRange) { 
        var allDay = refined.allDay; 
        var startMeta; 
        var startMarker = null; 
        var hasEnd = false; 
        var endMeta; 
        var endMarker = null; 
        var startInput = refined.start != null ? refined.start : refined.date; 
        startMeta = context.dateEnv.createMarkerMeta(startInput); 
        if (startMeta) { 
            startMarker = startMeta.marker; 
        } 
        else if (!allowOpenRange) { 
            return null; 
        } 
        if (refined.end != null) { 
            endMeta = context.dateEnv.createMarkerMeta(refined.end); 
        } 
        if (allDay == null) { 
            if (defaultAllDay != null) { 
                allDay = defaultAllDay; 
            } 
            else { 
                // fall back to the date props LAST 
                allDay = (!startMeta || startMeta.isTimeUnspecified) && 
                    (!endMeta || endMeta.isTimeUnspecified); 
            } 
        } 
        if (allDay && startMarker) { 
            startMarker = startOfDay(startMarker); 
        } 
        if (endMeta) { 
            endMarker = endMeta.marker; 
            if (allDay) { 
                endMarker = startOfDay(endMarker); 
            } 
            if (startMarker && endMarker <= startMarker) { 
                endMarker = null; 
            } 
        } 
        if (endMarker) { 
            hasEnd = true; 
        } 
        else if (!allowOpenRange) { 
            hasEnd = context.options.forceEventDuration || false; 
            endMarker = context.dateEnv.add(startMarker, allDay ? 
                context.options.defaultAllDayEventDuration : 
                context.options.defaultTimedEventDuration); 
        } 
        return { 
            allDay: allDay, 
            hasEnd: hasEnd, 
            range: { start: startMarker, end: endMarker }, 
            forcedStartTzo: startMeta ? startMeta.forcedTzo : null, 
            forcedEndTzo: endMeta ? endMeta.forcedTzo : null 
        }; 
    } 
    function computeIsDefaultAllDay(eventSource, context) { 
        var res = null; 
        if (eventSource) { 
            res = eventSource.defaultAllDay; 
        } 
        if (res == null) { 
            res = context.options.defaultAllDay; 
        } 
        return res; 
    } 
 
    /* Date stuff that doesn't belong in datelib core 
    ----------------------------------------------------------------------------------------------------------------------*/ 
    // given a timed range, computes an all-day range that has the same exact duration, 
    // but whose start time is aligned with the start of the day. 
    function computeAlignedDayRange(timedRange) { 
        var dayCnt = Math.floor(diffDays(timedRange.start, timedRange.end)) || 1; 
        var start = startOfDay(timedRange.start); 
        var end = addDays(start, dayCnt); 
        return { start: start, end: end }; 
    } 
    // given a timed range, computes an all-day range based on how for the end date bleeds into the next day 
    // TODO: give nextDayThreshold a default arg 
    function computeVisibleDayRange(timedRange, nextDayThreshold) { 
        if (nextDayThreshold === void 0) { nextDayThreshold = createDuration(0); } 
        var startDay = null; 
        var endDay = null; 
        if (timedRange.end) { 
            endDay = startOfDay(timedRange.end); 
            var endTimeMS = timedRange.end.valueOf() - endDay.valueOf(); // # of milliseconds into `endDay` 
            // If the end time is actually inclusively part of the next day and is equal to or 
            // beyond the next day threshold, adjust the end to be the exclusive end of `endDay`. 
            // Otherwise, leaving it as inclusive will cause it to exclude `endDay`. 
            if (endTimeMS && endTimeMS >= asRoughMs(nextDayThreshold)) { 
                endDay = addDays(endDay, 1); 
            } 
        } 
        if (timedRange.start) { 
            startDay = startOfDay(timedRange.start); // the beginning of the day the range starts 
            // If end is within `startDay` but not past nextDayThreshold, assign the default duration of one day. 
            if (endDay && endDay <= startDay) { 
                endDay = addDays(startDay, 1); 
            } 
        } 
        return { start: startDay, end: endDay }; 
    } 
    // spans from one day into another? 
    function isMultiDayRange(range) { 
        var visibleRange = computeVisibleDayRange(range); 
        return diffDays(visibleRange.start, visibleRange.end) > 1; 
    } 
    function diffDates(date0, date1, dateEnv, largeUnit) { 
        if (largeUnit === 'year') { 
            return createDuration(dateEnv.diffWholeYears(date0, date1), 'year'); 
        } 
        else if (largeUnit === 'month') { 
            return createDuration(dateEnv.diffWholeMonths(date0, date1), 'month'); 
        } 
        else { 
            return diffDayAndTime(date0, date1); // returns a duration 
        } 
    } 
 
    function parseRange(input, dateEnv) { 
        var start = null; 
        var end = null; 
        if (input.start) { 
            start = dateEnv.createMarker(input.start); 
        } 
        if (input.end) { 
            end = dateEnv.createMarker(input.end); 
        } 
        if (!start && !end) { 
            return null; 
        } 
        if (start && end && end < start) { 
            return null; 
        } 
        return { start: start, end: end }; 
    } 
    // SIDE-EFFECT: will mutate ranges. 
    // Will return a new array result. 
    function invertRanges(ranges, constraintRange) { 
        var invertedRanges = []; 
        var start = constraintRange.start; // the end of the previous range. the start of the new range 
        var i; 
        var dateRange; 
        // ranges need to be in order. required for our date-walking algorithm 
        ranges.sort(compareRanges); 
        for (i = 0; i < ranges.length; i++) { 
            dateRange = ranges[i]; 
            // add the span of time before the event (if there is any) 
            if (dateRange.start > start) { // compare millisecond time (skip any ambig logic) 
                invertedRanges.push({ start: start, end: dateRange.start }); 
            } 
            if (dateRange.end > start) { 
                start = dateRange.end; 
            } 
        } 
        // add the span of time after the last event (if there is any) 
        if (start < constraintRange.end) { // compare millisecond time (skip any ambig logic) 
            invertedRanges.push({ start: start, end: constraintRange.end }); 
        } 
        return invertedRanges; 
    } 
    function compareRanges(range0, range1) { 
        return range0.start.valueOf() - range1.start.valueOf(); // earlier ranges go first 
    } 
    function intersectRanges(range0, range1) { 
        var start = range0.start; 
        var end = range0.end; 
        var newRange = null; 
        if (range1.start !== null) { 
            if (start === null) { 
                start = range1.start; 
            } 
            else { 
                start = new Date(Math.max(start.valueOf(), range1.start.valueOf())); 
            } 
        } 
        if (range1.end != null) { 
            if (end === null) { 
                end = range1.end; 
            } 
            else { 
                end = new Date(Math.min(end.valueOf(), range1.end.valueOf())); 
            } 
        } 
        if (start === null || end === null || start < end) { 
            newRange = { start: start, end: end }; 
        } 
        return newRange; 
    } 
    function rangesEqual(range0, range1) { 
        return (range0.start === null ? null : range0.start.valueOf()) === (range1.start === null ? null : range1.start.valueOf()) && 
            (range0.end === null ? null : range0.end.valueOf()) === (range1.end === null ? null : range1.end.valueOf()); 
    } 
    function rangesIntersect(range0, range1) { 
        return (range0.end === null || range1.start === null || range0.end > range1.start) && 
            (range0.start === null || range1.end === null || range0.start < range1.end); 
    } 
    function rangeContainsRange(outerRange, innerRange) { 
        return (outerRange.start === null || (innerRange.start !== null && innerRange.start >= outerRange.start)) && 
            (outerRange.end === null || (innerRange.end !== null && innerRange.end <= outerRange.end)); 
    } 
    function rangeContainsMarker(range, date) { 
        return (range.start === null || date >= range.start) && 
            (range.end === null || date < range.end); 
    } 
    // If the given date is not within the given range, move it inside. 
    // (If it's past the end, make it one millisecond before the end). 
    function constrainMarkerToRange(date, range) { 
        if (range.start != null && date < range.start) { 
            return range.start; 
        } 
        if (range.end != null && date >= range.end) { 
            return new Date(range.end.valueOf() - 1); 
        } 
        return date; 
    } 
 
    /* 
    Specifying nextDayThreshold signals that all-day ranges should be sliced. 
    */ 
    function sliceEventStore(eventStore, eventUiBases, framingRange, nextDayThreshold) { 
        var inverseBgByGroupId = {}; 
        var inverseBgByDefId = {}; 
        var defByGroupId = {}; 
        var bgRanges = []; 
        var fgRanges = []; 
        var eventUis = compileEventUis(eventStore.defs, eventUiBases); 
        for (var defId in eventStore.defs) { 
            var def = eventStore.defs[defId]; 
            var ui = eventUis[def.defId]; 
            if (ui.display === 'inverse-background') { 
                if (def.groupId) { 
                    inverseBgByGroupId[def.groupId] = []; 
                    if (!defByGroupId[def.groupId]) { 
                        defByGroupId[def.groupId] = def; 
                    } 
                } 
                else { 
                    inverseBgByDefId[defId] = []; 
                } 
            } 
        } 
        for (var instanceId in eventStore.instances) { 
            var instance = eventStore.instances[instanceId]; 
            var def = eventStore.defs[instance.defId]; 
            var ui = eventUis[def.defId]; 
            var origRange = instance.range; 
            var normalRange = (!def.allDay && nextDayThreshold) ? 
                computeVisibleDayRange(origRange, nextDayThreshold) : 
                origRange; 
            var slicedRange = intersectRanges(normalRange, framingRange); 
            if (slicedRange) { 
                if (ui.display === 'inverse-background') { 
                    if (def.groupId) { 
                        inverseBgByGroupId[def.groupId].push(slicedRange); 
                    } 
                    else { 
                        inverseBgByDefId[instance.defId].push(slicedRange); 
                    } 
                } 
                else if (ui.display !== 'none') { 
                    (ui.display === 'background' ? bgRanges : fgRanges).push({ 
                        def: def, 
                        ui: ui, 
                        instance: instance, 
                        range: slicedRange, 
                        isStart: normalRange.start && normalRange.start.valueOf() === slicedRange.start.valueOf(), 
                        isEnd: normalRange.end && normalRange.end.valueOf() === slicedRange.end.valueOf() 
                    }); 
                } 
            } 
        } 
        for (var groupId in inverseBgByGroupId) { // BY GROUP 
            var ranges = inverseBgByGroupId[groupId]; 
            var invertedRanges = invertRanges(ranges, framingRange); 
            for (var _i = 0, invertedRanges_1 = invertedRanges; _i < invertedRanges_1.length; _i++) { 
                var invertedRange = invertedRanges_1[_i]; 
                var def = defByGroupId[groupId]; 
                var ui = eventUis[def.defId]; 
                bgRanges.push({ 
                    def: def, 
                    ui: ui, 
                    instance: null, 
                    range: invertedRange, 
                    isStart: false, 
                    isEnd: false 
                }); 
            } 
        } 
        for (var defId in inverseBgByDefId) { 
            var ranges = inverseBgByDefId[defId]; 
            var invertedRanges = invertRanges(ranges, framingRange); 
            for (var _a = 0, invertedRanges_2 = invertedRanges; _a < invertedRanges_2.length; _a++) { 
                var invertedRange = invertedRanges_2[_a]; 
                bgRanges.push({ 
                    def: eventStore.defs[defId], 
                    ui: eventUis[defId], 
                    instance: null, 
                    range: invertedRange, 
                    isStart: false, 
                    isEnd: false 
                }); 
            } 
        } 
        return { bg: bgRanges, fg: fgRanges }; 
    } 
    function hasBgRendering(def) { 
        return def.ui.display === 'background' || def.ui.display === 'inverse-background'; 
    } 
    function setElSeg(el, seg) { 
        el.fcSeg = seg; 
    } 
    function getElSeg(el) { 
        return el.fcSeg || 
            el.parentNode.fcSeg || // for the harness 
            null; 
    } 
    // event ui computation 
    function compileEventUis(eventDefs, eventUiBases) { 
        return mapHash(eventDefs, function (eventDef) { 
            return compileEventUi(eventDef, eventUiBases); 
        }); 
    } 
    function compileEventUi(eventDef, eventUiBases) { 
        var uis = []; 
        if (eventUiBases['']) { 
            uis.push(eventUiBases['']); 
        } 
        if (eventUiBases[eventDef.defId]) { 
            uis.push(eventUiBases[eventDef.defId]); 
        } 
        uis.push(eventDef.ui); 
        return combineEventUis(uis); 
    } 
    function sortEventSegs(segs, eventOrderSpecs) { 
        var objs = segs.map(buildSegCompareObj); 
        objs.sort(function (obj0, obj1) { 
            return compareByFieldSpecs(obj0, obj1, eventOrderSpecs); 
        }); 
        return objs.map(function (c) { 
            return c._seg; 
        }); 
    } 
    // returns a object with all primitive props that can be compared 
    function buildSegCompareObj(seg) { 
        var eventRange = seg.eventRange; 
        var eventDef = eventRange.def; 
        var range = eventRange.instance ? eventRange.instance.range : eventRange.range; 
        var start = range.start ? range.start.valueOf() : 0; // TODO: better support for open-range events 
        var end = range.end ? range.end.valueOf() : 0; // " 
        return __assign(__assign(__assign({}, eventDef.extendedProps), eventDef), { id: eventDef.publicId, start: start, 
            end: end, duration: end - start, allDay: Number(eventDef.allDay), _seg: seg // for later retrieval 
         }); 
    } 
    function computeSegDraggable(seg, context) { 
        var pluginHooks = context.pluginHooks; 
        var transformers = pluginHooks.isDraggableTransformers; 
        var _a = seg.eventRange, def = _a.def, ui = _a.ui; 
        var val = ui.startEditable; 
        for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) { 
            var transformer = transformers_1[_i]; 
            val = transformer(val, def, ui, context); 
        } 
        return val; 
    } 
    function computeSegStartResizable(seg, context) { 
        return seg.isStart && seg.eventRange.ui.durationEditable && context.options.eventResizableFromStart; 
    } 
    function computeSegEndResizable(seg, context) { 
        return seg.isEnd && seg.eventRange.ui.durationEditable; 
    } 
    function buildSegTimeText(seg, timeFormat, context, defaultDisplayEventTime, // defaults to true 
    defaultDisplayEventEnd, // defaults to true 
    startOverride, endOverride) { 
        var dateEnv = context.dateEnv, options = context.options; 
        var displayEventTime = options.displayEventTime, displayEventEnd = options.displayEventEnd; 
        var eventDef = seg.eventRange.def; 
        var eventInstance = seg.eventRange.instance; 
        if (displayEventTime == null) { 
            displayEventTime = defaultDisplayEventTime !== false; 
        } 
        if (displayEventEnd == null) { 
            displayEventEnd = defaultDisplayEventEnd !== false; 
        } 
        if (displayEventTime && !eventDef.allDay && (seg.isStart || seg.isEnd)) { 
            var segStart = startOverride || (seg.isStart ? eventInstance.range.start : (seg.start || seg.eventRange.range.start)); 
            var segEnd = endOverride || (seg.isEnd ? eventInstance.range.end : (seg.end || seg.eventRange.range.end)); 
            if (displayEventEnd && eventDef.hasEnd) { 
                return dateEnv.formatRange(segStart, segEnd, timeFormat, { 
                    forcedStartTzo: startOverride ? null : eventInstance.forcedStartTzo, 
                    forcedEndTzo: endOverride ? null : eventInstance.forcedEndTzo 
                }); 
            } 
            else { 
                return dateEnv.format(segStart, timeFormat, { 
                    forcedTzo: startOverride ? null : eventInstance.forcedStartTzo // nooooo, same 
                }); 
            } 
        } 
        return ''; 
    } 
    function getSegMeta(seg, todayRange, nowDate) { 
        var segRange = seg.eventRange.range; 
        return { 
            isPast: segRange.end < (nowDate || todayRange.start), 
            isFuture: segRange.start >= (nowDate || todayRange.end), 
            isToday: todayRange && rangeContainsMarker(todayRange, segRange.start) 
        }; 
    } 
    function getEventClassNames(props) { 
        var classNames = ['fc-event']; 
        if (props.isMirror) { 
            classNames.push('fc-event-mirror'); 
        } 
        if (props.isDraggable) { 
            classNames.push('fc-event-draggable'); 
        } 
        if (props.isStartResizable || props.isEndResizable) { 
            classNames.push('fc-event-resizable'); 
        } 
        if (props.isDragging) { 
            classNames.push('fc-event-dragging'); 
        } 
        if (props.isResizing) { 
            classNames.push('fc-event-resizing'); 
        } 
        if (props.isSelected) { 
            classNames.push('fc-event-selected'); 
        } 
        if (props.isStart) { 
            classNames.push('fc-event-start'); 
        } 
        if (props.isEnd) { 
            classNames.push('fc-event-end'); 
        } 
        if (props.isPast) { 
            classNames.push('fc-event-past'); 
        } 
        if (props.isToday) { 
            classNames.push('fc-event-today'); 
        } 
        if (props.isFuture) { 
            classNames.push('fc-event-future'); 
        } 
        return classNames; 
    } 
    function buildEventRangeKey(eventRange) { 
        return eventRange.instance 
            ? eventRange.instance.instanceId 
            : eventRange.def.defId + ':' + eventRange.range.start.toISOString(); 
        // inverse-background events don't have specific instances. TODO: better solution 
    } 
 
    var STANDARD_PROPS = { 
        start: identity, 
        end: identity, 
        allDay: Boolean 
    }; 
    function parseDateSpan(raw, dateEnv, defaultDuration) { 
        var span = parseOpenDateSpan(raw, dateEnv); 
        var range = span.range; 
        if (!range.start) { 
            return null; 
        } 
        if (!range.end) { 
            if (defaultDuration == null) { 
                return null; 
            } 
            else { 
                range.end = dateEnv.add(range.start, defaultDuration); 
            } 
        } 
        return span; 
    } 
    /* 
    TODO: somehow combine with parseRange? 
    Will return null if the start/end props were present but parsed invalidly. 
    */ 
    function parseOpenDateSpan(raw, dateEnv) { 
        var _a = refineProps(raw, STANDARD_PROPS), standardProps = _a.refined, extra = _a.extra; 
        var startMeta = standardProps.start ? dateEnv.createMarkerMeta(standardProps.start) : null; 
        var endMeta = standardProps.end ? dateEnv.createMarkerMeta(standardProps.end) : null; 
        var allDay = standardProps.allDay; 
        if (allDay == null) { 
            allDay = (startMeta && startMeta.isTimeUnspecified) && 
                (!endMeta || endMeta.isTimeUnspecified); 
        } 
        return __assign({ range: { 
                start: startMeta ? startMeta.marker : null, 
                end: endMeta ? endMeta.marker : null, 
            }, allDay: allDay }, extra); 
    } 
    function isDateSpansEqual(span0, span1) { 
        return rangesEqual(span0.range, span1.range) && 
            span0.allDay === span1.allDay && 
            isSpanPropsEqual(span0, span1); 
    } 
    // the NON-DATE-RELATED props 
    function isSpanPropsEqual(span0, span1) { 
        for (var propName in span1) { 
            if (propName !== 'range' && propName !== 'allDay') { 
                if (span0[propName] !== span1[propName]) { 
                    return false; 
                } 
            } 
        } 
        // are there any props that span0 has that span1 DOESN'T have? 
        // both have range/allDay, so no need to special-case. 
        for (var propName in span0) { 
            if (!(propName in span1)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    function buildDateSpanApi(span, dateEnv) { 
        return __assign(__assign({}, buildRangeApi(span.range, dateEnv, span.allDay)), { allDay: span.allDay }); 
    } 
    function buildRangeApiWithTimeZone(range, dateEnv, omitTime) { 
        return __assign(__assign({}, buildRangeApi(range, dateEnv, omitTime)), { timeZone: dateEnv.timeZone }); 
    } 
    function buildRangeApi(range, dateEnv, omitTime) { 
        return { 
            start: dateEnv.toDate(range.start), 
            end: dateEnv.toDate(range.end), 
            startStr: dateEnv.formatIso(range.start, { omitTime: omitTime }), 
            endStr: dateEnv.formatIso(range.end, { omitTime: omitTime }) 
        }; 
    } 
    function fabricateEventRange(dateSpan, eventUiBases, context) { 
        var res = refineEventDef({ editable: false }, context); 
        var def = parseEventDef(res.refined, res.extra, '', // sourceId 
        dateSpan.allDay, true, // hasEnd 
        context); 
        return { 
            def: def, 
            ui: compileEventUi(def, eventUiBases), 
            instance: createEventInstance(def.defId, dateSpan.range), 
            range: dateSpan.range, 
            isStart: true, 
            isEnd: true 
        }; 
    } 
 
    function triggerDateSelect(selection, pev, context) { 
        context.emitter.trigger('select', __assign(__assign({}, buildDateSpanApiWithContext(selection, context)), { jsEvent: pev ? pev.origEvent : null, view: context.viewApi || context.calendarApi.view })); 
    } 
    function triggerDateUnselect(pev, context) { 
        context.emitter.trigger('unselect', { 
            jsEvent: pev ? pev.origEvent : null, 
            view: context.viewApi || context.calendarApi.view 
        }); 
    } 
    function buildDateSpanApiWithContext(dateSpan, context) { 
        var props = {}; 
        for (var _i = 0, _a = context.pluginHooks.dateSpanTransforms; _i < _a.length; _i++) { 
            var transform = _a[_i]; 
            __assign(props, transform(dateSpan, context)); 
        } 
        __assign(props, buildDateSpanApi(dateSpan, context.dateEnv)); 
        return props; 
    } 
    // Given an event's allDay status and start date, return what its fallback end date should be. 
    // TODO: rename to computeDefaultEventEnd 
    function getDefaultEventEnd(allDay, marker, context) { 
        var dateEnv = context.dateEnv, options = context.options; 
        var end = marker; 
        if (allDay) { 
            end = startOfDay(end); 
            end = dateEnv.add(end, options.defaultAllDayEventDuration); 
        } 
        else { 
            end = dateEnv.add(end, options.defaultTimedEventDuration); 
        } 
        return end; 
    } 
 
    // applies the mutation to ALL defs/instances within the event store 
    function applyMutationToEventStore(eventStore, eventConfigBase, mutation, context) { 
        var eventConfigs = compileEventUis(eventStore.defs, eventConfigBase); 
        var dest = createEmptyEventStore(); 
        for (var defId in eventStore.defs) { 
            var def = eventStore.defs[defId]; 
            dest.defs[defId] = applyMutationToEventDef(def, eventConfigs[defId], mutation, context); 
        } 
        for (var instanceId in eventStore.instances) { 
            var instance = eventStore.instances[instanceId]; 
            var def = dest.defs[instance.defId]; // important to grab the newly modified def 
            dest.instances[instanceId] = applyMutationToEventInstance(instance, def, eventConfigs[instance.defId], mutation, context); 
        } 
        return dest; 
    } 
    function applyMutationToEventDef(eventDef, eventConfig, mutation, context) { 
        var standardProps = mutation.standardProps || {}; 
        // if hasEnd has not been specified, guess a good value based on deltas. 
        // if duration will change, there's no way the default duration will persist, 
        // and thus, we need to mark the event as having a real end 
        if (standardProps.hasEnd == null && 
            eventConfig.durationEditable && 
            (mutation.startDelta || mutation.endDelta)) { 
            standardProps.hasEnd = true; // TODO: is this mutation okay? 
        } 
        var copy = __assign(__assign(__assign({}, eventDef), standardProps), { ui: __assign(__assign({}, eventDef.ui), standardProps.ui) }); 
        if (mutation.extendedProps) { 
            copy.extendedProps = __assign(__assign({}, copy.extendedProps), mutation.extendedProps); 
        } 
        for (var _i = 0, _a = context.pluginHooks.eventDefMutationAppliers; _i < _a.length; _i++) { 
            var applier = _a[_i]; 
            applier(copy, mutation, context); 
        } 
        if (!copy.hasEnd && context.options.forceEventDuration) { 
            copy.hasEnd = true; 
        } 
        return copy; 
    } 
    function applyMutationToEventInstance(eventInstance, eventDef, // must first be modified by applyMutationToEventDef 
    eventConfig, mutation, context) { 
        var dateEnv = context.dateEnv; 
        var forceAllDay = mutation.standardProps && mutation.standardProps.allDay === true; 
        var clearEnd = mutation.standardProps && mutation.standardProps.hasEnd === false; 
        var copy = __assign({}, eventInstance); 
        if (forceAllDay) { 
            copy.range = computeAlignedDayRange(copy.range); 
        } 
        if (mutation.datesDelta && eventConfig.startEditable) { 
            copy.range = { 
                start: dateEnv.add(copy.range.start, mutation.datesDelta), 
                end: dateEnv.add(copy.range.end, mutation.datesDelta) 
            }; 
        } 
        if (mutation.startDelta && eventConfig.durationEditable) { 
            copy.range = { 
                start: dateEnv.add(copy.range.start, mutation.startDelta), 
                end: copy.range.end 
            }; 
        } 
        if (mutation.endDelta && eventConfig.durationEditable) { 
            copy.range = { 
                start: copy.range.start, 
                end: dateEnv.add(copy.range.end, mutation.endDelta) 
            }; 
        } 
        if (clearEnd) { 
            copy.range = { 
                start: copy.range.start, 
                end: getDefaultEventEnd(eventDef.allDay, copy.range.start, context) 
            }; 
        } 
        // in case event was all-day but the supplied deltas were not 
        // better util for this? 
        if (eventDef.allDay) { 
            copy.range = { 
                start: startOfDay(copy.range.start), 
                end: startOfDay(copy.range.end) 
            }; 
        } 
        // handle invalid durations 
        if (copy.range.end < copy.range.start) { 
            copy.range.end = getDefaultEventEnd(eventDef.allDay, copy.range.start, context); 
        } 
        return copy; 
    } 
 
    // no public types yet. when there are, export from: 
    // import {} from './api-type-deps' 
    var ViewApi = /** @class */ (function () { 
        function ViewApi(type, getCurrentData, dateEnv) { 
            this.type = type; 
            this.getCurrentData = getCurrentData; 
            this.dateEnv = dateEnv; 
        } 
        Object.defineProperty(ViewApi.prototype, "calendar", { 
            get: function () { 
                return this.getCurrentData().calendarApi; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "title", { 
            get: function () { 
                return this.getCurrentData().viewTitle; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "activeStart", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.start); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "activeEnd", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.end); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "currentStart", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.start); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(ViewApi.prototype, "currentEnd", { 
            get: function () { 
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.end); 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        ViewApi.prototype.getOption = function (name) { 
            return this.getCurrentData().options[name]; // are the view-specific options 
        }; 
        return ViewApi; 
    }()); 
 
    var EVENT_SOURCE_REFINERS = { 
        id: String, 
        defaultAllDay: Boolean, 
        url: String, 
        events: identity, 
        eventDataTransform: identity, 
        // for any network-related sources 
        success: identity, 
        failure: identity, 
    }; 
    function parseEventSource(raw, context, refiners) { 
        if (refiners === void 0) { refiners = buildEventSourceRefiners(context); } 
        var rawObj; 
        if (typeof raw === 'string') { 
            rawObj = { url: raw }; 
        } 
        else if (typeof raw === 'function' || Array.isArray(raw)) { 
            rawObj = { events: raw }; 
        } 
        else if (typeof raw === 'object' && raw) { // not null 
            rawObj = raw; 
        } 
        if (rawObj) { 
            var _a = refineProps(rawObj, refiners), refined = _a.refined, extra = _a.extra; 
            var metaRes = buildEventSourceMeta(refined, context); 
            if (metaRes) { 
                return { 
                    _raw: raw, 
                    isFetching: false, 
                    latestFetchId: '', 
                    fetchRange: null, 
                    defaultAllDay: refined.defaultAllDay, 
                    eventDataTransform: refined.eventDataTransform, 
                    success: refined.success, 
                    failure: refined.failure, 
                    publicId: refined.id || '', 
                    sourceId: guid(), 
                    sourceDefId: metaRes.sourceDefId, 
                    meta: metaRes.meta, 
                    ui: createEventUi(refined, context), 
                    extendedProps: extra 
                }; 
            } 
        } 
        return null; 
    } 
    function buildEventSourceRefiners(context) { 
        return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_SOURCE_REFINERS), context.pluginHooks.eventSourceRefiners); 
    } 
    function buildEventSourceMeta(raw, context) { 
        var defs = context.pluginHooks.eventSourceDefs; 
        for (var i = defs.length - 1; i >= 0; i--) { // later-added plugins take precedence 
            var def = defs[i]; 
            var meta = def.parseMeta(raw); 
            if (meta) { 
                return { sourceDefId: i, meta: meta }; 
            } 
        } 
        return null; 
    } 
 
    function reduceCurrentDate(currentDate, action) { 
        switch (action.type) { 
            case 'CHANGE_DATE': 
                return action.dateMarker; 
            default: 
                return currentDate; 
        } 
    } 
    function getInitialDate(options, dateEnv) { 
        var initialDateInput = options.initialDate; 
        // compute the initial ambig-timezone date 
        if (initialDateInput != null) { 
            return dateEnv.createMarker(initialDateInput); 
        } 
        else { 
            return getNow(options.now, dateEnv); // getNow already returns unzoned 
        } 
    } 
    function getNow(nowInput, dateEnv) { 
        if (typeof nowInput === 'function') { 
            nowInput = nowInput(); 
        } 
        if (nowInput == null) { 
            return dateEnv.createNowMarker(); 
        } 
        return dateEnv.createMarker(nowInput); 
    } 
 
    var CalendarApi = /** @class */ (function () { 
        function CalendarApi() { 
        } 
        CalendarApi.prototype.getCurrentData = function () { 
            return this.currentDataManager.getCurrentData(); 
        }; 
        CalendarApi.prototype.dispatch = function (action) { 
            return this.currentDataManager.dispatch(action); 
        }; 
        Object.defineProperty(CalendarApi.prototype, "view", { 
            get: function () { return this.getCurrentData().viewApi; } // for public API 
            , 
            enumerable: false, 
            configurable: true 
        }); 
        CalendarApi.prototype.batchRendering = function (callback) { 
            callback(); 
        }; 
        CalendarApi.prototype.updateSize = function () { 
            this.trigger('_resize', true); 
        }; 
        // Options 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.setOption = function (name, val) { 
            this.dispatch({ 
                type: 'SET_OPTION', 
                optionName: name, 
                rawOptionValue: val 
            }); 
        }; 
        CalendarApi.prototype.getOption = function (name) { 
            return this.currentDataManager.currentCalendarOptionsInput[name]; 
        }; 
        CalendarApi.prototype.getAvailableLocaleCodes = function () { 
            return Object.keys(this.getCurrentData().availableRawLocales); 
        }; 
        // Trigger 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.on = function (handlerName, handler) { 
            var currentDataManager = this.currentDataManager; 
            if (currentDataManager.currentCalendarOptionsRefiners[handlerName]) { 
                currentDataManager.emitter.on(handlerName, handler); 
            } 
            else { 
                console.warn("Unknown listener name '" + handlerName + "'"); 
            } 
        }; 
        CalendarApi.prototype.off = function (handlerName, handler) { 
            this.currentDataManager.emitter.off(handlerName, handler); 
        }; 
        CalendarApi.prototype.trigger = function (handlerName) { 
            var _a; 
            var args = []; 
            for (var _i = 1; _i < arguments.length; _i++) { 
                args[_i - 1] = arguments[_i]; 
            } 
            (_a = this.currentDataManager.emitter).trigger.apply(_a, __spreadArrays([handlerName], args)); 
        }; 
        // View 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.changeView = function (viewType, dateOrRange) { 
            var _this = this; 
            this.batchRendering(function () { 
                _this.unselect(); 
                if (dateOrRange) { 
                    if (dateOrRange.start && dateOrRange.end) { // a range 
                        _this.dispatch({ 
                            type: 'CHANGE_VIEW_TYPE', 
                            viewType: viewType, 
                        }); 
                        _this.dispatch({ 
                            type: 'SET_OPTION', 
                            optionName: 'visibleRange', 
                            rawOptionValue: dateOrRange 
                        }); 
                    } 
                    else { 
                        var dateEnv = _this.getCurrentData().dateEnv; 
                        _this.dispatch({ 
                            type: 'CHANGE_VIEW_TYPE', 
                            viewType: viewType, 
                            dateMarker: dateEnv.createMarker(dateOrRange) 
                        }); 
                    } 
                } 
                else { 
                    _this.dispatch({ 
                        type: 'CHANGE_VIEW_TYPE', 
                        viewType: viewType 
                    }); 
                } 
            }); 
        }; 
        // Forces navigation to a view for the given date. 
        // `viewType` can be a specific view name or a generic one like "week" or "day". 
        // needs to change 
        CalendarApi.prototype.zoomTo = function (dateMarker, viewType) { 
            var state = this.getCurrentData(); 
            var spec; 
            viewType = viewType || 'day'; // day is default zoom 
            spec = state.viewSpecs[viewType] || this.getUnitViewSpec(viewType); 
            this.unselect(); 
            if (spec) { 
                this.dispatch({ 
                    type: 'CHANGE_VIEW_TYPE', 
                    viewType: spec.type, 
                    dateMarker: dateMarker 
                }); 
            } 
            else { 
                this.dispatch({ 
                    type: 'CHANGE_DATE', 
                    dateMarker: dateMarker 
                }); 
            } 
        }; 
        // Given a duration singular unit, like "week" or "day", finds a matching view spec. 
        // Preference is given to views that have corresponding buttons. 
        CalendarApi.prototype.getUnitViewSpec = function (unit) { 
            var _a = this.getCurrentData(), viewSpecs = _a.viewSpecs, toolbarConfig = _a.toolbarConfig; 
            var viewTypes = [].concat(toolbarConfig.viewsWithButtons); 
            var i; 
            var spec; 
            for (var viewType in viewSpecs) { 
                viewTypes.push(viewType); 
            } 
            for (i = 0; i < viewTypes.length; i++) { 
                spec = viewSpecs[viewTypes[i]]; 
                if (spec) { 
                    if (spec.singleUnit === unit) { 
                        return spec; 
                    } 
                } 
            } 
        }; 
        // Current Date 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.prev = function () { 
            this.unselect(); 
            this.dispatch({ type: 'PREV' }); 
        }; 
        CalendarApi.prototype.next = function () { 
            this.unselect(); 
            this.dispatch({ type: 'NEXT' }); 
        }; 
        CalendarApi.prototype.prevYear = function () { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: state.dateEnv.addYears(state.currentDate, -1) 
            }); 
        }; 
        CalendarApi.prototype.nextYear = function () { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: state.dateEnv.addYears(state.currentDate, 1) 
            }); 
        }; 
        CalendarApi.prototype.today = function () { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: getNow(state.calendarOptions.now, state.dateEnv) 
            }); 
        }; 
        CalendarApi.prototype.gotoDate = function (zonedDateInput) { 
            var state = this.getCurrentData(); 
            this.unselect(); 
            this.dispatch({ 
                type: 'CHANGE_DATE', 
                dateMarker: state.dateEnv.createMarker(zonedDateInput) 
            }); 
        }; 
        CalendarApi.prototype.incrementDate = function (deltaInput) { 
            var state = this.getCurrentData(); 
            var delta = createDuration(deltaInput); 
            if (delta) { // else, warn about invalid input? 
                this.unselect(); 
                this.dispatch({ 
                    type: 'CHANGE_DATE', 
                    dateMarker: state.dateEnv.add(state.currentDate, delta) 
                }); 
            } 
        }; 
        // for external API 
        CalendarApi.prototype.getDate = function () { 
            var state = this.getCurrentData(); 
            return state.dateEnv.toDate(state.currentDate); 
        }; 
        // Date Formatting Utils 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.formatDate = function (d, formatter) { 
            var dateEnv = this.getCurrentData().dateEnv; 
            return dateEnv.format(dateEnv.createMarker(d), createFormatter(formatter)); 
        }; 
        // `settings` is for formatter AND isEndExclusive 
        CalendarApi.prototype.formatRange = function (d0, d1, settings) { 
            var dateEnv = this.getCurrentData().dateEnv; 
            return dateEnv.formatRange(dateEnv.createMarker(d0), dateEnv.createMarker(d1), createFormatter(settings), settings); 
        }; 
        CalendarApi.prototype.formatIso = function (d, omitTime) { 
            var dateEnv = this.getCurrentData().dateEnv; 
            return dateEnv.formatIso(dateEnv.createMarker(d), { omitTime: omitTime }); 
        }; 
        // Date Selection / Event Selection / DayClick 
        // ----------------------------------------------------------------------------------------------------------------- 
        // this public method receives start/end dates in any format, with any timezone 
        // NOTE: args were changed from v3 
        CalendarApi.prototype.select = function (dateOrObj, endDate) { 
            var selectionInput; 
            if (endDate == null) { 
                if (dateOrObj.start != null) { 
                    selectionInput = dateOrObj; 
                } 
                else { 
                    selectionInput = { 
                        start: dateOrObj, 
                        end: null 
                    }; 
                } 
            } 
            else { 
                selectionInput = { 
                    start: dateOrObj, 
                    end: endDate 
                }; 
            } 
            var state = this.getCurrentData(); 
            var selection = parseDateSpan(selectionInput, state.dateEnv, createDuration({ days: 1 }) // TODO: cache this? 
            ); 
            if (selection) { // throw parse error otherwise? 
                this.dispatch({ type: 'SELECT_DATES', selection: selection }); 
                triggerDateSelect(selection, null, state); 
            } 
        }; 
        // public method 
        CalendarApi.prototype.unselect = function (pev) { 
            var state = this.getCurrentData(); 
            if (state.dateSelection) { 
                this.dispatch({ type: 'UNSELECT_DATES' }); 
                triggerDateUnselect(pev, state); 
            } 
        }; 
        // Public Events API 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.addEvent = function (eventInput, sourceInput) { 
            if (eventInput instanceof EventApi) { 
                var def = eventInput._def; 
                var instance = eventInput._instance; 
                var currentData = this.getCurrentData(); 
                // not already present? don't want to add an old snapshot 
                if (!currentData.eventStore.defs[def.defId]) { 
                    this.dispatch({ 
                        type: 'ADD_EVENTS', 
                        eventStore: eventTupleToStore({ def: def, instance: instance }) // TODO: better util for two args? 
                    }); 
                    this.triggerEventAdd(eventInput); 
                } 
                return eventInput; 
            } 
            var state = this.getCurrentData(); 
            var eventSource; 
            if (sourceInput instanceof EventSourceApi) { 
                eventSource = sourceInput.internalEventSource; 
            } 
            else if (typeof sourceInput === 'boolean') { 
                if (sourceInput) { // true. part of the first event source 
                    eventSource = hashValuesToArray(state.eventSources)[0]; 
                } 
            } 
            else if (sourceInput != null) { // an ID. accepts a number too 
                var sourceApi = this.getEventSourceById(sourceInput); // TODO: use an internal function 
                if (!sourceApi) { 
                    console.warn('Could not find an event source with ID "' + sourceInput + '"'); // TODO: test 
                    return null; 
                } 
                else { 
                    eventSource = sourceApi.internalEventSource; 
                } 
            } 
            var tuple = parseEvent(eventInput, eventSource, state, false); 
            if (tuple) { 
                var newEventApi = new EventApi(state, tuple.def, tuple.def.recurringDef ? null : tuple.instance); 
                this.dispatch({ 
                    type: 'ADD_EVENTS', 
                    eventStore: eventTupleToStore(tuple) 
                }); 
                this.triggerEventAdd(newEventApi); 
                return newEventApi; 
            } 
            return null; 
        }; 
        CalendarApi.prototype.triggerEventAdd = function (eventApi) { 
            var _this = this; 
            var emitter = this.getCurrentData().emitter; 
            emitter.trigger('eventAdd', { 
                event: eventApi, 
                relatedEvents: [], 
                revert: function () { 
                    _this.dispatch({ 
                        type: 'REMOVE_EVENTS', 
                        eventStore: eventApiToStore(eventApi) 
                    }); 
                } 
            }); 
        }; 
        // TODO: optimize 
        CalendarApi.prototype.getEventById = function (id) { 
            var state = this.getCurrentData(); 
            var _a = state.eventStore, defs = _a.defs, instances = _a.instances; 
            id = String(id); 
            for (var defId in defs) { 
                var def = defs[defId]; 
                if (def.publicId === id) { 
                    if (def.recurringDef) { 
                        return new EventApi(state, def, null); 
                    } 
                    else { 
                        for (var instanceId in instances) { 
                            var instance = instances[instanceId]; 
                            if (instance.defId === def.defId) { 
                                return new EventApi(state, def, instance); 
                            } 
                        } 
                    } 
                } 
            } 
            return null; 
        }; 
        CalendarApi.prototype.getEvents = function () { 
            var currentData = this.getCurrentData(); 
            return buildEventApis(currentData.eventStore, currentData); 
        }; 
        CalendarApi.prototype.removeAllEvents = function () { 
            this.dispatch({ type: 'REMOVE_ALL_EVENTS' }); 
        }; 
        // Public Event Sources API 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.getEventSources = function () { 
            var state = this.getCurrentData(); 
            var sourceHash = state.eventSources; 
            var sourceApis = []; 
            for (var internalId in sourceHash) { 
                sourceApis.push(new EventSourceApi(state, sourceHash[internalId])); 
            } 
            return sourceApis; 
        }; 
        CalendarApi.prototype.getEventSourceById = function (id) { 
            var state = this.getCurrentData(); 
            var sourceHash = state.eventSources; 
            id = String(id); 
            for (var sourceId in sourceHash) { 
                if (sourceHash[sourceId].publicId === id) { 
                    return new EventSourceApi(state, sourceHash[sourceId]); 
                } 
            } 
            return null; 
        }; 
        CalendarApi.prototype.addEventSource = function (sourceInput) { 
            var state = this.getCurrentData(); 
            if (sourceInput instanceof EventSourceApi) { 
                // not already present? don't want to add an old snapshot 
                if (!state.eventSources[sourceInput.internalEventSource.sourceId]) { 
                    this.dispatch({ 
                        type: 'ADD_EVENT_SOURCES', 
                        sources: [sourceInput.internalEventSource] 
                    }); 
                } 
                return sourceInput; 
            } 
            var eventSource = parseEventSource(sourceInput, state); 
            if (eventSource) { // TODO: error otherwise? 
                this.dispatch({ type: 'ADD_EVENT_SOURCES', sources: [eventSource] }); 
                return new EventSourceApi(state, eventSource); 
            } 
            return null; 
        }; 
        CalendarApi.prototype.removeAllEventSources = function () { 
            this.dispatch({ type: 'REMOVE_ALL_EVENT_SOURCES' }); 
        }; 
        CalendarApi.prototype.refetchEvents = function () { 
            this.dispatch({ type: 'FETCH_EVENT_SOURCES' }); 
        }; 
        // Scroll 
        // ----------------------------------------------------------------------------------------------------------------- 
        CalendarApi.prototype.scrollToTime = function (timeInput) { 
            var time = createDuration(timeInput); 
            if (time) { 
                this.trigger('_scrollRequest', { time: time }); 
            } 
        }; 
        return CalendarApi; 
    }()); 
 
    var EventApi = /** @class */ (function () { 
        // instance will be null if expressing a recurring event that has no current instances, 
        // OR if trying to validate an incoming external event that has no dates assigned 
        function EventApi(context, def, instance) { 
            this._context = context; 
            this._def = def; 
            this._instance = instance || null; 
        } 
        /* 
        TODO: make event struct more responsible for this 
        */ 
        EventApi.prototype.setProp = function (name, val) { 
            var _a, _b; 
            if (name in EVENT_DATE_REFINERS) { 
                console.warn("Could not set date-related prop 'name'. Use one of the date-related methods instead."); 
            } 
            else if (name in EVENT_NON_DATE_REFINERS) { 
                val = EVENT_NON_DATE_REFINERS[name](val); 
                this.mutate({ 
                    standardProps: (_a = {}, _a[name] = val, _a) 
                }); 
            } 
            else if (name in EVENT_UI_REFINERS) { 
                var ui = EVENT_UI_REFINERS[name](val); 
                if (name === 'color') { 
                    ui = { backgroundColor: val, borderColor: val }; 
                } 
                else if (name === 'editable') { 
                    ui = { startEditable: val, durationEditable: val }; 
                } 
                else { 
                    ui = (_b = {}, _b[name] = val, _b); 
                } 
                this.mutate({ 
                    standardProps: { ui: ui } 
                }); 
            } 
            else { 
                console.warn("Could not set prop '" + name + "'. Use setExtendedProp instead."); 
            } 
        }; 
        EventApi.prototype.setExtendedProp = function (name, val) { 
            var _a; 
            this.mutate({ 
                extendedProps: (_a = {}, _a[name] = val, _a) 
            }); 
        }; 
        EventApi.prototype.setStart = function (startInput, options) { 
            if (options === void 0) { options = {}; } 
            var dateEnv = this._context.dateEnv; 
            var start = dateEnv.createMarker(startInput); 
            if (start && this._instance) { // TODO: warning if parsed bad 
                var instanceRange = this._instance.range; 
                var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity); // what if parsed bad!? 
                if (options.maintainDuration) { 
                    this.mutate({ datesDelta: startDelta }); 
                } 
                else { 
                    this.mutate({ startDelta: startDelta }); 
                } 
            } 
        }; 
        EventApi.prototype.setEnd = function (endInput, options) { 
            if (options === void 0) { options = {}; } 
            var dateEnv = this._context.dateEnv; 
            var end; 
            if (endInput != null) { 
                end = dateEnv.createMarker(endInput); 
                if (!end) { 
                    return; // TODO: warning if parsed bad 
                } 
            } 
            if (this._instance) { 
                if (end) { 
                    var endDelta = diffDates(this._instance.range.end, end, dateEnv, options.granularity); 
                    this.mutate({ endDelta: endDelta }); 
                } 
                else { 
                    this.mutate({ standardProps: { hasEnd: false } }); 
                } 
            } 
        }; 
        EventApi.prototype.setDates = function (startInput, endInput, options) { 
            if (options === void 0) { options = {}; } 
            var dateEnv = this._context.dateEnv; 
            var standardProps = { allDay: options.allDay }; 
            var start = dateEnv.createMarker(startInput); 
            var end; 
            if (!start) { 
                return; // TODO: warning if parsed bad 
            } 
            if (endInput != null) { 
                end = dateEnv.createMarker(endInput); 
                if (!end) { // TODO: warning if parsed bad 
                    return; 
                } 
            } 
            if (this._instance) { 
                var instanceRange = this._instance.range; 
                // when computing the diff for an event being converted to all-day, 
                // compute diff off of the all-day values the way event-mutation does. 
                if (options.allDay === true) { 
                    instanceRange = computeAlignedDayRange(instanceRange); 
                } 
                var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity); 
                if (end) { 
                    var endDelta = diffDates(instanceRange.end, end, dateEnv, options.granularity); 
                    if (durationsEqual(startDelta, endDelta)) { 
                        this.mutate({ datesDelta: startDelta, standardProps: standardProps }); 
                    } 
                    else { 
                        this.mutate({ startDelta: startDelta, endDelta: endDelta, standardProps: standardProps }); 
                    } 
                } 
                else { // means "clear the end" 
                    standardProps.hasEnd = false; 
                    this.mutate({ datesDelta: startDelta, standardProps: standardProps }); 
                } 
            } 
        }; 
        EventApi.prototype.moveStart = function (deltaInput) { 
            var delta = createDuration(deltaInput); 
            if (delta) { // TODO: warning if parsed bad 
                this.mutate({ startDelta: delta }); 
            } 
        }; 
        EventApi.prototype.moveEnd = function (deltaInput) { 
            var delta = createDuration(deltaInput); 
            if (delta) { // TODO: warning if parsed bad 
                this.mutate({ endDelta: delta }); 
            } 
        }; 
        EventApi.prototype.moveDates = function (deltaInput) { 
            var delta = createDuration(deltaInput); 
            if (delta) { // TODO: warning if parsed bad 
                this.mutate({ datesDelta: delta }); 
            } 
        }; 
        EventApi.prototype.setAllDay = function (allDay, options) { 
            if (options === void 0) { options = {}; } 
            var standardProps = { allDay: allDay }; 
            var maintainDuration = options.maintainDuration; 
            if (maintainDuration == null) { 
                maintainDuration = this._context.options.allDayMaintainDuration; 
            } 
            if (this._def.allDay !== allDay) { 
                standardProps.hasEnd = maintainDuration; 
            } 
            this.mutate({ standardProps: standardProps }); 
        }; 
        EventApi.prototype.formatRange = function (formatInput) { 
            var dateEnv = this._context.dateEnv; 
            var instance = this._instance; 
            var formatter = createFormatter(formatInput); 
            if (this._def.hasEnd) { 
                return dateEnv.formatRange(instance.range.start, instance.range.end, formatter, { 
                    forcedStartTzo: instance.forcedStartTzo, 
                    forcedEndTzo: instance.forcedEndTzo 
                }); 
            } 
            else { 
                return dateEnv.format(instance.range.start, formatter, { 
                    forcedTzo: instance.forcedStartTzo 
                }); 
            } 
        }; 
        EventApi.prototype.mutate = function (mutation) { 
            var instance = this._instance; 
            if (instance) { 
                var def = this._def; 
                var context_1 = this._context; 
                var eventStore = context_1.getCurrentData().eventStore; 
                var relevantEvents_1 = getRelevantEvents(eventStore, instance.instanceId); 
                var eventConfigBase = { 
                    '': { 
                        display: '', 
                        startEditable: true, 
                        durationEditable: true, 
                        constraints: [], 
                        overlap: null, 
                        allows: [], 
                        backgroundColor: '', 
                        borderColor: '', 
                        textColor: '', 
                        classNames: [] 
                    } 
                }; 
                relevantEvents_1 = applyMutationToEventStore(relevantEvents_1, eventConfigBase, mutation, context_1); 
                var oldEvent = new EventApi(context_1, def, instance); // snapshot 
                this._def = relevantEvents_1.defs[def.defId]; 
                this._instance = relevantEvents_1.instances[instance.instanceId]; 
                context_1.dispatch({ 
                    type: 'MERGE_EVENTS', 
                    eventStore: relevantEvents_1 
                }); 
                context_1.emitter.trigger('eventChange', { 
                    oldEvent: oldEvent, 
                    event: this, 
                    relatedEvents: buildEventApis(relevantEvents_1, context_1, instance), 
                    revert: function () { 
                        context_1.dispatch({ 
                            type: 'REMOVE_EVENTS', 
                            eventStore: relevantEvents_1 
                        }); 
                    } 
                }); 
            } 
        }; 
        EventApi.prototype.remove = function () { 
            var context = this._context; 
            var asStore = eventApiToStore(this); 
            context.dispatch({ 
                type: 'REMOVE_EVENTS', 
                eventStore: asStore 
            }); 
            context.emitter.trigger('eventRemove', { 
                event: this, 
                relatedEvents: [], 
                revert: function () { 
                    context.dispatch({ 
                        type: 'MERGE_EVENTS', 
                        eventStore: asStore 
                    }); 
                } 
            }); 
        }; 
        Object.defineProperty(EventApi.prototype, "source", { 
            get: function () { 
                var sourceId = this._def.sourceId; 
                if (sourceId) { 
                    return new EventSourceApi(this._context, this._context.getCurrentData().eventSources[sourceId]); 
                } 
                return null; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "start", { 
            get: function () { 
                return this._instance ? 
                    this._context.dateEnv.toDate(this._instance.range.start) : 
                    null; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "end", { 
            get: function () { 
                return (this._instance && this._def.hasEnd) ? 
                    this._context.dateEnv.toDate(this._instance.range.end) : 
                    null; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "startStr", { 
            get: function () { 
                var instance = this._instance; 
                if (instance) { 
                    return this._context.dateEnv.formatIso(instance.range.start, { 
                        omitTime: this._def.allDay, 
                        forcedTzo: instance.forcedStartTzo 
                    }); 
                } 
                return ''; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "endStr", { 
            get: function () { 
                var instance = this._instance; 
                if (instance && this._def.hasEnd) { 
                    return this._context.dateEnv.formatIso(instance.range.end, { 
                        omitTime: this._def.allDay, 
                        forcedTzo: instance.forcedEndTzo 
                    }); 
                } 
                return ''; 
            }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "id", { 
            // computable props that all access the def 
            // TODO: find a TypeScript-compatible way to do this at scale 
            get: function () { return this._def.publicId; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "groupId", { 
            get: function () { return this._def.groupId; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "allDay", { 
            get: function () { return this._def.allDay; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "title", { 
            get: function () { return this._def.title; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "url", { 
            get: function () { return this._def.url; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "display", { 
            get: function () { return this._def.ui.display || 'auto'; } // bad. just normalize the type earlier 
            , 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "startEditable", { 
            get: function () { return this._def.ui.startEditable; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "durationEditable", { 
            get: function () { return this._def.ui.durationEditable; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "constraint", { 
            get: function () { return this._def.ui.constraints[0] || null; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "overlap", { 
            get: function () { return this._def.ui.overlap; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "allow", { 
            get: function () { return this._def.ui.allows[0] || null; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "backgroundColor", { 
            get: function () { return this._def.ui.backgroundColor; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "borderColor", { 
            get: function () { return this._def.ui.borderColor; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "textColor", { 
            get: function () { return this._def.ui.textColor; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "classNames", { 
            // NOTE: user can't modify these because Object.freeze was called in event-def parsing 
            get: function () { return this._def.ui.classNames; }, 
            enumerable: false, 
            configurable: true 
        }); 
        Object.defineProperty(EventApi.prototype, "extendedProps", { 
            get: function () { return this._def.extendedProps; }, 
            enumerable: false, 
            configurable: true 
        }); 
        EventApi.prototype.toPlainObject = function (settings) { 
            if (settings === void 0) { settings = {}; } 
            var def = this._def; 
            var ui = def.ui; 
            var _a = this, startStr = _a.startStr, endStr = _a.endStr; 
            var res = {}; 
            if (def.title) { 
                res.title = def.title; 
            } 
            if (startStr) { 
                res.start = startStr; 
            } 
            if (endStr) { 
                res.end = endStr; 
            } 
            if (def.publicId) { 
                res.id = def.publicId; 
            } 
            if (def.groupId) { 
                res.groupId = def.groupId; 
            } 
            if (def.url) { 
                res.url = def.url; 
            } 
            if (ui.display && ui.display !== 'auto') { 
                res.display = ui.display; 
            } 
            // TODO: what about recurring-event properties??? 
            // TODO: include startEditable/durationEditable/constraint/overlap/allow 
            if (settings.collapseColor && ui.backgroundColor && ui.backgroundColor === ui.borderColor) { 
                res.color = ui.backgroundColor; 
            } 
            else { 
                if (ui.backgroundColor) { 
                    res.backgroundColor = ui.backgroundColor; 
                } 
                if (ui.borderColor) { 
                    res.borderColor = ui.borderColor; 
                } 
            } 
            if (ui.textColor) { 
                res.textColor = ui.textColor; 
            } 
            if (ui.classNames.length) { 
                res.classNames = ui.classNames; 
            } 
            if (Object.keys(def.extendedProps).length) { 
                if (settings.collapseExtendedProps) { 
                    __assign(res, def.extendedProps); 
                } 
                else { 
                    res.extendedProps = def.extendedProps; 
                } 
            } 
            return res; 
        }; 
        EventApi.prototype.toJSON = function () { 
            return this.toPlainObject(); 
        }; 
        return EventApi; 
    }()); 
    function eventApiToStore(eventApi) { 
        var _a, _b; 
        var def = eventApi._def; 
        var instance = eventApi._instance; 
        return { 
            defs: (_a = {}, _a[def.defId] = def, _a), 
            instances: instance 
                ? (_b = {}, _b[instance.instanceId] = instance, _b) : {} 
        }; 
    } 
    function buildEventApis(eventStore, context, excludeInstance) { 
        var defs = eventStore.defs, instances = eventStore.instances; 
        var eventApis = []; 
        var excludeInstanceId = excludeInstance ? excludeInstance.instanceId : ''; 
        for (var id in instances) { 
            var instance = instances[id]; 
            var def = defs[instance.defId]; 
            if (instance.instanceId !== excludeInstanceId) { 
                eventApis.push(new EventApi(context, def, instance)); 
            } 
        } 
        return eventApis; 
    } 
 
    var calendarSystemClassMap = {}; 
    function registerCalendarSystem(name, theClass) { 
        calendarSystemClassMap[name] = theClass; 
    } 
    function createCalendarSystem(name) { 
        return new calendarSystemClassMap[name](); 
    } 
    var GregorianCalendarSystem = /** @class */ (function () { 
        function GregorianCalendarSystem() { 
        } 
        GregorianCalendarSystem.prototype.getMarkerYear = function (d) { 
            return d.getUTCFullYear(); 
        }; 
        GregorianCalendarSystem.prototype.getMarkerMonth = function (d) { 
            return d.getUTCMonth(); 
        }; 
        GregorianCalendarSystem.prototype.getMarkerDay = function (d) { 
            return d.getUTCDate(); 
        }; 
        GregorianCalendarSystem.prototype.arrayToMarker = function (arr) { 
            return arrayToUtcDate(arr); 
        }; 
        GregorianCalendarSystem.prototype.markerToArray = function (marker) { 
            return dateToUtcArray(marker); 
        }; 
        return GregorianCalendarSystem; 
    }()); 
    registerCalendarSystem('gregory', GregorianCalendarSystem); 
 
    var ISO_RE = /^\s*(\d{4})(-(\d{2})(-(\d{2})([T ](\d{2}):(\d{2})(:(\d{2})(\.(\d+))?)?(Z|(([-+])(\d{2})(:?(\d{2}))?))?)?)?)?$/; 
    function parse(str) { 
        var m = ISO_RE.exec(str); 
        if (m) { 
            var marker = new Date(Date.UTC(Number(m[1]), m[3] ? Number(m[3]) - 1 : 0, Number(m[5] || 1), Number(m[7] || 0), Number(m[8] || 0), Number(m[10] || 0), m[12] ? Number('0.' + m[12]) * 1000 : 0)); 
            if (isValidDate(marker)) { 
                var timeZoneOffset = null; 
                if (m[13]) { 
                    timeZoneOffset = (m[15] === '-' ? -1 : 1) * (Number(m[16] || 0) * 60 + 
                        Number(m[18] || 0)); 
                } 
                return { 
                    marker: marker, 
                    isTimeUnspecified: !m[6], 
                    timeZoneOffset: timeZoneOffset 
                }; 
            } 
        } 
        return null; 
    } 
 
    var DateEnv = /** @class */ (function () { 
        function DateEnv(settings) { 
            var timeZone = this.timeZone = settings.timeZone; 
            var isNamedTimeZone = timeZone !== 'local' && timeZone !== 'UTC'; 
            if (settings.namedTimeZoneImpl && isNamedTimeZone) { 
                this.namedTimeZoneImpl = new settings.namedTimeZoneImpl(timeZone); 
            } 
            this.canComputeOffset = Boolean(!isNamedTimeZone || this.namedTimeZoneImpl); 
            this.calendarSystem = createCalendarSystem(settings.calendarSystem); 
            this.locale = settings.locale; 
            this.weekDow = settings.locale.week.dow; 
            this.weekDoy = settings.locale.week.doy; 
            if (settings.weekNumberCalculation === 'ISO') { 
                this.weekDow = 1; 
                this.weekDoy = 4; 
            } 
            if (typeof settings.firstDay === 'number') { 
                this.weekDow = settings.firstDay; 
            } 
            if (typeof settings.weekNumberCalculation === 'function') { 
                this.weekNumberFunc = settings.weekNumberCalculation; 
            } 
            this.weekText = settings.weekText != null ? settings.weekText : settings.locale.options.weekText; 
            this.cmdFormatter = settings.cmdFormatter; 
            this.defaultSeparator = settings.defaultSeparator; 
        } 
        // Creating / Parsing 
        DateEnv.prototype.createMarker = function (input) { 
            var meta = this.createMarkerMeta(input); 
            if (meta === null) { 
                return null; 
            } 
            return meta.marker; 
        }; 
        DateEnv.prototype.createNowMarker = function () { 
            if (this.canComputeOffset) { 
                return this.timestampToMarker(new Date().valueOf()); 
            } 
            else { 
                // if we can't compute the current date val for a timezone, 
                // better to give the current local date vals than UTC 
                return arrayToUtcDate(dateToLocalArray(new Date())); 
            } 
        }; 
        DateEnv.prototype.createMarkerMeta = function (input) { 
            if (typeof input === 'string') { 
                return this.parse(input); 
            } 
            var marker = null; 
            if (typeof input === 'number') { 
                marker = this.timestampToMarker(input); 
            } 
            else if (input instanceof Date) { 
                input = input.valueOf(); 
                if (!isNaN(input)) { 
                    marker = this.timestampToMarker(input); 
                } 
            } 
            else if (Array.isArray(input)) { 
                marker = arrayToUtcDate(input); 
            } 
            if (marker === null || !isValidDate(marker)) { 
                return null; 
            } 
            return { marker: marker, isTimeUnspecified: false, forcedTzo: null }; 
        }; 
        DateEnv.prototype.parse = function (s) { 
            var parts = parse(s); 
            if (parts === null) { 
                return null; 
            } 
            var marker = parts.marker; 
            var forcedTzo = null; 
            if (parts.timeZoneOffset !== null) { 
                if (this.canComputeOffset) { 
                    marker = this.timestampToMarker(marker.valueOf() - parts.timeZoneOffset * 60 * 1000); 
                } 
                else { 
                    forcedTzo = parts.timeZoneOffset; 
                } 
            } 
            return { marker: marker, isTimeUnspecified: parts.isTimeUnspecified, forcedTzo: forcedTzo }; 
        }; 
        // Accessors 
        DateEnv.prototype.getYear = function (marker) { 
            return this.calendarSystem.getMarkerYear(marker); 
        }; 
        DateEnv.prototype.getMonth = function (marker) { 
            return this.calendarSystem.getMarkerMonth(marker); 
        }; 
        // Adding / Subtracting 
        DateEnv.prototype.add = function (marker, dur) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[0] += dur.years; 
            a[1] += dur.months; 
            a[2] += dur.days; 
            a[6] += dur.milliseconds; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        DateEnv.prototype.subtract = function (marker, dur) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[0] -= dur.years; 
            a[1] -= dur.months; 
            a[2] -= dur.days; 
            a[6] -= dur.milliseconds; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        DateEnv.prototype.addYears = function (marker, n) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[0] += n; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        DateEnv.prototype.addMonths = function (marker, n) { 
            var a = this.calendarSystem.markerToArray(marker); 
            a[1] += n; 
            return this.calendarSystem.arrayToMarker(a); 
        }; 
        // Diffing Whole Units 
        DateEnv.prototype.diffWholeYears = function (m0, m1) { 
            var calendarSystem = this.calendarSystem; 
            if (timeAsMs(m0) === timeAsMs(m1) && 
                calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1) && 
                calendarSystem.getMarkerMonth(m0) === calendarSystem.getMarkerMonth(m1)) { 
                return calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0); 
            } 
            return null; 
        }; 
        DateEnv.prototype.diffWholeMonths = function (m0, m1) { 
            var calendarSystem = this.calendarSystem; 
            if (timeAsMs(m0) === timeAsMs(m1) && 
                calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1)) { 
                return (calendarSystem.getMarkerMonth(m1) - calendarSystem.getMarkerMonth(m0)) + 
                    (calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0)) * 12; 
            } 
            return null; 
        }; 
        // Range / Duration 
        DateEnv.prototype.greatestWholeUnit = function (m0, m1) { 
            var n = this.diffWholeYears(m0, m1); 
            if (n !== null) { 
                return { unit: 'year', value: n }; 
            } 
            n = this.diffWholeMonths(m0, m1); 
            if (n !== null) { 
                return { unit: 'month', value: n }; 
            } 
            n = diffWholeWeeks(m0, m1); 
            if (n !== null) { 
                return { unit: 'week', value: n }; 
            } 
            n = diffWholeDays(m0, m1); 
            if (n !== null) { 
                return { unit: 'day', value: n }; 
            } 
            n = diffHours(m0, m1); 
            if (isInt(n)) { 
                return { unit: 'hour', value: n }; 
            } 
            n = diffMinutes(m0, m1); 
            if (isInt(n)) { 
                return { unit: 'minute', value: n }; 
            } 
            n = diffSeconds(m0, m1); 
            if (isInt(n)) { 
                return { unit: 'second', value: n }; 
            } 
            return { unit: 'millisecond', value: m1.valueOf() - m0.valueOf() }; 
        }; 
        DateEnv.prototype.countDurationsBetween = function (m0, m1, d) { 
            // TODO: can use greatestWholeUnit 
            var diff; 
            if (d.years) { 
                diff = this.diffWholeYears(m0, m1); 
                if (diff !== null) { 
                    return diff / asRoughYears(d); 
                } 
            } 
            if (d.months) { 
                diff = this.diffWholeMonths(m0, m1); 
                if (diff !== null) { 
                    return diff / asRoughMonths(d); 
                } 
            } 
            if (d.days) { 
                diff = diffWholeDays(m0, m1); 
                if (diff !== null) { 
                    return diff / asRoughDays(d); 
                } 
            } 
            return (m1.valueOf() - m0.valueOf()) / asRoughMs(d); 
        }; 
        // Start-Of 
        // these DON'T return zoned-dates. only UTC start-of dates 
        DateEnv.prototype.startOf = function (m, unit) { 
            if (unit === 'year') { 
                return this.startOfYear(m); 
            } 
            else if (unit === 'month') { 
                return this.startOfMonth(m); 
            } 
            else if (unit === 'week') { 
                return this.startOfWeek(m); 
            } 
            else if (unit === 'day') { 
                return startOfDay(m); 
            } 
            else if (unit === 'hour') { 
                return startOfHour(m); 
            } 
            else if (unit === 'minute') { 
                return startOfMinute(m); 
            } 
            else if (unit === 'second') { 
                return startOfSecond(m); 
            } 
        }; 
        DateEnv.prototype.startOfYear = function (m) { 
            return this.calendarSystem.arrayToMarker([ 
                this.calendarSystem.getMarkerYear(m) 
            ]); 
        }; 
        DateEnv.prototype.startOfMonth = function (m) { 
            return this.calendarSystem.arrayToMarker([ 
                this.calendarSystem.getMarkerYear(m), 
                this.calendarSystem.getMarkerMonth(m) 
            ]); 
        }; 
        DateEnv.prototype.startOfWeek = function (m) { 
            return this.calendarSystem.arrayToMarker([ 
                this.calendarSystem.getMarkerYear(m), 
                this.calendarSystem.getMarkerMonth(m), 
                m.getUTCDate() - ((m.getUTCDay() - this.weekDow + 7) % 7) 
            ]); 
        }; 
        // Week Number 
        DateEnv.prototype.computeWeekNumber = function (marker) { 
            if (this.weekNumberFunc) { 
                return this.weekNumberFunc(this.toDate(marker)); 
            } 
            else { 
                return weekOfYear(marker, this.weekDow, this.weekDoy); 
            } 
        }; 
        // TODO: choke on timeZoneName: long 
        DateEnv.prototype.format = function (marker, formatter, dateOptions) { 
            if (dateOptions === void 0) { dateOptions = {}; } 
            return formatter.format({ 
                marker: marker, 
                timeZoneOffset: dateOptions.forcedTzo != null ? 
                    dateOptions.forcedTzo : 
                    this.offsetForMarker(marker) 
            }, this); 
        }; 
        DateEnv.prototype.formatRange = function (start, end, formatter, dateOptions) { 
            if (dateOptions === void 0) { dateOptions = {}; } 
            if (dateOptions.isEndExclusive) { 
                end = addMs(end, -1); 
            } 
            return formatter.formatRange({ 
                marker: start, 
                timeZoneOffset: dateOptions.forcedStartTzo != null ? 
                    dateOptions.forcedStartTzo : 
                    this.offsetForMarker(start) 
            }, { 
                marker: end, 
                timeZoneOffset: dateOptions.forcedEndTzo != null ? 
                    dateOptions.forcedEndTzo : 
                    this.offsetForMarker(end) 
            }, this, dateOptions.defaultSeparator); 
        }; 
        /* 
        DUMB: the omitTime arg is dumb. if we omit the time, we want to omit the timezone offset. and if we do that, 
        might as well use buildIsoString or some other util directly 
        */ 
        DateEnv.prototype.formatIso = function (marker, extraOptions) { 
            if (extraOptions === void 0) { extraOptions = {}; } 
            var timeZoneOffset = null; 
            if (!extraOptions.omitTimeZoneOffset) { 
                if (extraOptions.forcedTzo != null) { 
                    timeZoneOffset = extraOptions.forcedTzo; 
                } 
                else { 
                    timeZoneOffset = this.offsetForMarker(marker); 
                } 
            } 
            return buildIsoString(marker, timeZoneOffset, extraOptions.omitTime); 
        }; 
        // TimeZone 
        DateEnv.prototype.timestampToMarker = function (ms) { 
            if (this.timeZone === 'local') { 
                return arrayToUtcDate(dateToLocalArray(new Date(ms))); 
            } 
            else if (this.timeZone === 'UTC' || !this.namedTimeZoneImpl) { 
                return new Date(ms); 
            } 
            else { 
                return arrayToUtcDate(this.namedTimeZoneImpl.timestampToArray(ms)); 
            } 
        }; 
        DateEnv.prototype.offsetForMarker = function (m) { 
            if (this.timeZone === 'local') { 
                return -arrayToLocalDate(dateToUtcArray(m)).getTimezoneOffset(); // convert "inverse" offset to "normal" offset 
            } 
            else if (this.timeZone === 'UTC') { 
                return 0; 
            } 
            else if (this.namedTimeZoneImpl) { 
                return this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m)); 
            } 
            return null; 
        }; 
        // Conversion 
        DateEnv.prototype.toDate = function (m, forcedTzo) { 
            if (this.timeZone === 'local') { 
                return arrayToLocalDate(dateToUtcArray(m)); 
            } 
            else if (this.timeZone === 'UTC') { 
                return new Date(m.valueOf()); // make sure it's a copy 
            } 
            else if (!this.namedTimeZoneImpl) { 
                return new Date(m.valueOf() - (forcedTzo || 0)); 
            } 
            else { 
                return new Date(m.valueOf() - 
                    this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m)) * 1000 * 60 // convert minutes -> ms 
                ); 
            } 
        }; 
        return DateEnv; 
    }()); 
 
    var globalLocales = []; 
 
    var RAW_EN_LOCALE = { 
        code: 'en', 
        week: { 
            dow: 0, 
            doy: 4 // 4 days need to be within the year to be considered the first week 
        }, 
        direction: 'ltr', 
        buttonText: { 
            prev: 'prev', 
            next: 'next', 
            prevYear: 'prev year', 
            nextYear: 'next year', 
            year: 'year', 
            today: 'today', 
            month: 'month', 
            week: 'week', 
            day: 'day', 
            list: 'list' 
        }, 
        weekText: 'W', 
        allDayText: 'all-day', 
        moreLinkText: 'more', 
        noEventsText: 'No events to display' 
    }; 
    function organizeRawLocales(explicitRawLocales) { 
        var defaultCode = explicitRawLocales.length > 0 ? explicitRawLocales[0].code : 'en'; 
        var allRawLocales = globalLocales.concat(explicitRawLocales); 
        var rawLocaleMap = { 
            en: RAW_EN_LOCALE // necessary? 
        }; 
        for (var _i = 0, allRawLocales_1 = allRawLocales; _i < allRawLocales_1.length; _i++) { 
            var rawLocale = allRawLocales_1[_i]; 
            rawLocaleMap[rawLocale.code] = rawLocale; 
        } 
        return { 
            map: rawLocaleMap, 
            defaultCode: defaultCode 
        }; 
    } 
    function buildLocale(inputSingular, available) { 
        if (typeof inputSingular === 'object' && !Array.isArray(inputSingular)) { 
            return parseLocale(inputSingular.code, [inputSingular.code], inputSingular); 
        } 
        else { 
            return queryLocale(inputSingular, available); 
        } 
    } 
    function queryLocale(codeArg, available) { 
        var codes = [].concat(codeArg || []); // will convert to array 
        var raw = queryRawLocale(codes, available) || RAW_EN_LOCALE; 
        return parseLocale(codeArg, codes, raw); 
    } 
    function queryRawLocale(codes, available) { 
        for (var i = 0; i < codes.length; i++) { 
            var parts = codes[i].toLocaleLowerCase().split('-'); 
            for (var j = parts.length; j > 0; j--) { 
                var simpleId = parts.slice(0, j).join('-'); 
                if (available[simpleId]) { 
                    return available[simpleId]; 
                } 
            } 
        } 
        return null; 
    } 
    function parseLocale(codeArg, codes, raw) { 
        var merged = mergeProps([RAW_EN_LOCALE, raw], ['buttonText']); 
        delete merged.code; // don't want this part of the options 
        var week = merged.week; 
        delete merged.week; 
        return { 
            codeArg: codeArg, 
            codes: codes, 
            week: week, 
            simpleNumberFormat: new Intl.NumberFormat(codeArg), 
            options: merged 
        }; 
    } 
 
    function formatDate(dateInput, options) { 
        if (options === void 0) { options = {}; } 
        var dateEnv = buildDateEnv(options); 
        var formatter = createFormatter(options); 
        var dateMeta = dateEnv.createMarkerMeta(dateInput); 
        if (!dateMeta) { // TODO: warning? 
            return ''; 
        } 
        return dateEnv.format(dateMeta.marker, formatter, { 
            forcedTzo: dateMeta.forcedTzo 
        }); 
    } 
    function formatRange(startInput, endInput, options // mixture of env and formatter settings 
    ) { 
        var dateEnv = buildDateEnv(typeof options === 'object' && options ? options : {}); // pass in if non-null object 
        var formatter = createFormatter(options); 
        var startMeta = dateEnv.createMarkerMeta(startInput); 
        var endMeta = dateEnv.createMarkerMeta(endInput); 
        if (!startMeta || !endMeta) { // TODO: warning? 
            return ''; 
        } 
        return dateEnv.formatRange(startMeta.marker, endMeta.marker, formatter, { 
            forcedStartTzo: startMeta.forcedTzo, 
            forcedEndTzo: endMeta.forcedTzo, 
            isEndExclusive: options.isEndExclusive, 
            defaultSeparator: BASE_OPTION_DEFAULTS.defaultRangeSeparator 
        }); 
    } 
    // TODO: more DRY and optimized 
    function buildDateEnv(settings) { 
        var locale = buildLocale(settings.locale || 'en', organizeRawLocales([]).map); // TODO: don't hardcode 'en' everywhere 
        return new DateEnv(__assign(__assign({ timeZone: BASE_OPTION_DEFAULTS.timeZone, calendarSystem: 'gregory' }, settings), { locale: locale })); 
    } 
 
    var DEF_DEFAULTS = { 
        startTime: '09:00', 
        endTime: '17:00', 
        daysOfWeek: [1, 2, 3, 4, 5], 
        display: 'inverse-background', 
        classNames: 'fc-non-business', 
        groupId: '_businessHours' // so multiple defs get grouped 
    }; 
    /* 
    TODO: pass around as EventDefHash!!! 
    */ 
    function parseBusinessHours(input, context) { 
        return parseEvents(refineInputs(input), null, context); 
    } 
    function refineInputs(input) { 
        var rawDefs; 
        if (input === true) { 
            rawDefs = [{}]; // will get DEF_DEFAULTS verbatim 
        } 
        else if (Array.isArray(input)) { 
            // if specifying an array, every sub-definition NEEDS a day-of-week 
            rawDefs = input.filter(function (rawDef) { 
                return rawDef.daysOfWeek; 
            }); 
        } 
        else if (typeof input === 'object' && input) { // non-null object 
            rawDefs = [input]; 
        } 
        else { // is probably false 
            rawDefs = []; 
        } 
        rawDefs = rawDefs.map(function (rawDef) { 
            return __assign(__assign({}, DEF_DEFAULTS), rawDef); 
        }); 
        return rawDefs; 
    } 
 
    function pointInsideRect(point, rect) { 
        return point.left >= rect.left && 
            point.left < rect.right && 
            point.top >= rect.top && 
            point.top < rect.bottom; 
    } 
    // Returns a new rectangle that is the intersection of the two rectangles. If they don't intersect, returns false 
    function intersectRects(rect1, rect2) { 
        var res = { 
            left: Math.max(rect1.left, rect2.left), 
            right: Math.min(rect1.right, rect2.right), 
            top: Math.max(rect1.top, rect2.top), 
            bottom: Math.min(rect1.bottom, rect2.bottom) 
        }; 
        if (res.left < res.right && res.top < res.bottom) { 
            return res; 
        } 
        return false; 
    } 
    function translateRect(rect, deltaX, deltaY) { 
        return { 
            left: rect.left + deltaX, 
            right: rect.right + deltaX, 
            top: rect.top + deltaY, 
            bottom: rect.bottom + deltaY 
        }; 
    } 
    // Returns a new point that will have been moved to reside within the given rectangle 
    function constrainPoint(point, rect) { 
        return { 
            left: Math.min(Math.max(point.left, rect.left), rect.right), 
            top: Math.min(Math.max(point.top, rect.top), rect.bottom) 
        }; 
    } 
    // Returns a point that is the center of the given rectangle 
    function getRectCenter(rect) { 
        return { 
            left: (rect.left + rect.right) / 2, 
            top: (rect.top + rect.bottom) / 2 
        }; 
    } 
    // Subtracts point2's coordinates from point1's coordinates, returning a delta 
    function diffPoints(point1, point2) { 
        return { 
            left: point1.left - point2.left, 
            top: point1.top - point2.top 
        }; 
    } 
 
    var EMPTY_EVENT_STORE = createEmptyEventStore(); // for purecomponents. TODO: keep elsewhere 
    var Splitter = /** @class */ (function () { 
        function Splitter() { 
            this.getKeysForEventDefs = memoize(this._getKeysForEventDefs); 
            this.splitDateSelection = memoize(this._splitDateSpan); 
            this.splitEventStore = memoize(this._splitEventStore); 
            this.splitIndividualUi = memoize(this._splitIndividualUi); 
            this.splitEventDrag = memoize(this._splitInteraction); 
            this.splitEventResize = memoize(this._splitInteraction); 
            this.eventUiBuilders = {}; // TODO: typescript protection 
        } 
        Splitter.prototype.splitProps = function (props) { 
            var _this = this; 
            var keyInfos = this.getKeyInfo(props); 
            var defKeys = this.getKeysForEventDefs(props.eventStore); 
            var dateSelections = this.splitDateSelection(props.dateSelection); 
            var individualUi = this.splitIndividualUi(props.eventUiBases, defKeys); // the individual *bases* 
            var eventStores = this.splitEventStore(props.eventStore, defKeys); 
            var eventDrags = this.splitEventDrag(props.eventDrag); 
            var eventResizes = this.splitEventResize(props.eventResize); 
            var splitProps = {}; 
            this.eventUiBuilders = mapHash(keyInfos, function (info, key) { 
                return _this.eventUiBuilders[key] || memoize(buildEventUiForKey); 
            }); 
            for (var key in keyInfos) { 
                var keyInfo = keyInfos[key]; 
                var eventStore = eventStores[key] || EMPTY_EVENT_STORE; 
                var buildEventUi = this.eventUiBuilders[key]; 
                splitProps[key] = { 
                    businessHours: keyInfo.businessHours || props.businessHours, 
                    dateSelection: dateSelections[key] || null, 
                    eventStore: eventStore, 
                    eventUiBases: buildEventUi(props.eventUiBases[''], keyInfo.ui, individualUi[key]), 
                    eventSelection: eventStore.instances[props.eventSelection] ? props.eventSelection : '', 
                    eventDrag: eventDrags[key] || null, 
                    eventResize: eventResizes[key] || null 
                }; 
            } 
            return splitProps; 
        }; 
        Splitter.prototype._splitDateSpan = function (dateSpan) { 
            var dateSpans = {}; 
            if (dateSpan) { 
                var keys = this.getKeysForDateSpan(dateSpan); 
                for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) { 
                    var key = keys_1[_i]; 
                    dateSpans[key] = dateSpan; 
                } 
            } 
            return dateSpans; 
        }; 
        Splitter.prototype._getKeysForEventDefs = function (eventStore) { 
            var _this = this; 
            return mapHash(eventStore.defs, function (eventDef) { 
                return _this.getKeysForEventDef(eventDef); 
            }); 
        }; 
        Splitter.prototype._splitEventStore = function (eventStore, defKeys) { 
            var defs = eventStore.defs, instances = eventStore.instances; 
            var splitStores = {}; 
            for (var defId in defs) { 
                for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) { 
                    var key = _a[_i]; 
                    if (!splitStores[key]) { 
                        splitStores[key] = createEmptyEventStore(); 
                    } 
                    splitStores[key].defs[defId] = defs[defId]; 
                } 
            } 
            for (var instanceId in instances) { 
                var instance = instances[instanceId]; 
                for (var _b = 0, _c = defKeys[instance.defId]; _b < _c.length; _b++) { 
                    var key = _c[_b]; 
                    if (splitStores[key]) { // must have already been created 
                        splitStores[key].instances[instanceId] = instance; 
                    } 
                } 
            } 
            return splitStores; 
        }; 
        Splitter.prototype._splitIndividualUi = function (eventUiBases, defKeys) { 
            var splitHashes = {}; 
            for (var defId in eventUiBases) { 
                if (defId) { // not the '' key 
                    for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) { 
                        var key = _a[_i]; 
                        if (!splitHashes[key]) { 
                            splitHashes[key] = {}; 
                        } 
                        splitHashes[key][defId] = eventUiBases[defId]; 
                    } 
                } 
            } 
            return splitHashes; 
        }; 
        Splitter.prototype._splitInteraction = function (interaction) { 
            var splitStates = {}; 
            if (interaction) { 
                var affectedStores_1 = this._splitEventStore(interaction.affectedEvents, this._getKeysForEventDefs(interaction.affectedEvents) // can't use cached. might be events from other calendar 
                ); 
                // can't rely on defKeys because event data is mutated 
                var mutatedKeysByDefId = this._getKeysForEventDefs(interaction.mutatedEvents); 
                var mutatedStores_1 = this._splitEventStore(interaction.mutatedEvents, mutatedKeysByDefId); 
                var populate = function (key) { 
                    if (!splitStates[key]) { 
                        splitStates[key] = { 
                            affectedEvents: affectedStores_1[key] || EMPTY_EVENT_STORE, 
                            mutatedEvents: mutatedStores_1[key] || EMPTY_EVENT_STORE, 
                            isEvent: interaction.isEvent 
                        }; 
                    } 
                }; 
                for (var key in affectedStores_1) { 
                    populate(key); 
                } 
                for (var key in mutatedStores_1) { 
                    populate(key); 
                } 
            } 
            return splitStates; 
        }; 
        return Splitter; 
    }()); 
    function buildEventUiForKey(allUi, eventUiForKey, individualUi) { 
        var baseParts = []; 
        if (allUi) { 
            baseParts.push(allUi); 
        } 
        if (eventUiForKey) { 
            baseParts.push(eventUiForKey); 
        } 
        var stuff = { 
            '': combineEventUis(baseParts) 
        }; 
        if (individualUi) { 
            __assign(stuff, individualUi); 
        } 
        return stuff; 
    } 
 
    function getDateMeta(date, todayRange, nowDate, dateProfile) { 
        return { 
            dow: date.getUTCDay(), 
            isDisabled: Boolean(dateProfile && !rangeContainsMarker(dateProfile.activeRange, date)), 
            isOther: Boolean(dateProfile && !rangeContainsMarker(dateProfile.currentRange, date)), 
            isToday: Boolean(todayRange && rangeContainsMarker(todayRange, date)), 
            isPast: Boolean(nowDate ? (date < nowDate) : todayRange ? (date < todayRange.start) : false), 
            isFuture: Boolean(nowDate ? (date > nowDate) : todayRange ? (date >= todayRange.end) : false) 
        }; 
    } 
    function getDayClassNames(meta, theme) { 
        var classNames = [ 
            'fc-day', 
            'fc-day-' + DAY_IDS[meta.dow] 
        ]; 
        if (meta.isDisabled) { 
            classNames.push('fc-day-disabled'); 
        } 
        else { 
            if (meta.isToday) { 
                classNames.push('fc-day-today'); 
                classNames.push(theme.getClass('today')); 
            } 
            if (meta.isPast) { 
                classNames.push('fc-day-past'); 
            } 
            if (meta.isFuture) { 
                classNames.push('fc-day-future'); 
            } 
            if (meta.isOther) { 
                classNames.push('fc-day-other'); 
            } 
        } 
        return classNames; 
    } 
    function getSlotClassNames(meta, theme) { 
        var classNames = [ 
            'fc-slot', 
            'fc-slot-' + DAY_IDS[meta.dow] 
        ]; 
        if (meta.isDisabled) { 
            classNames.push('fc-slot-disabled'); 
        } 
        else { 
            if (meta.isToday) { 
                classNames.push('fc-slot-today'); 
                classNames.push(theme.getClass('today')); 
            } 
            if (meta.isPast) { 
                classNames.push('fc-slot-past'); 
            } 
            if (meta.isFuture) { 
                classNames.push('fc-slot-future'); 
            } 
        } 
        return classNames; 
    } 
 
    function buildNavLinkData(date, type) { 
        if (type === void 0) { type = 'day'; } 
        return JSON.stringify({ 
            date: formatDayString(date), 
            type: type 
        }); 
    } 
 
    var _isRtlScrollbarOnLeft = null; 
    function getIsRtlScrollbarOnLeft() { 
        if (_isRtlScrollbarOnLeft === null) { 
            _isRtlScrollbarOnLeft = computeIsRtlScrollbarOnLeft(); 
        } 
        return _isRtlScrollbarOnLeft; 
    } 
    function computeIsRtlScrollbarOnLeft() { 
        // TODO: use htmlToElement 
        var outerEl = document.createElement('div'); 
        applyStyle(outerEl, { 
            position: 'absolute', 
            top: -1000, 
            left: 0, 
            border: 0, 
            padding: 0, 
            overflow: 'scroll', 
            direction: 'rtl' 
        }); 
        outerEl.innerHTML = '<div></div>'; 
        document.body.appendChild(outerEl); 
        var innerEl = outerEl.firstChild; 
        var res = innerEl.getBoundingClientRect().left > outerEl.getBoundingClientRect().left; 
        removeElement(outerEl); 
        return res; 
    } 
 
    var _scrollbarWidths; 
    function getScrollbarWidths() { 
        if (!_scrollbarWidths) { 
            _scrollbarWidths = computeScrollbarWidths(); 
        } 
        return _scrollbarWidths; 
    } 
    function computeScrollbarWidths() { 
        var el = document.createElement('div'); 
        el.style.overflow = 'scroll'; 
        document.body.appendChild(el); 
        var res = computeScrollbarWidthsForEl(el); 
        document.body.removeChild(el); 
        return res; 
    } 
    // WARNING: will include border 
    function computeScrollbarWidthsForEl(el) { 
        return { 
            x: el.offsetHeight - el.clientHeight, 
            y: el.offsetWidth - el.clientWidth 
        }; 
    } 
 
    function computeEdges(el, getPadding) { 
        if (getPadding === void 0) { getPadding = false; } 
        var computedStyle = window.getComputedStyle(el); 
        var borderLeft = parseInt(computedStyle.borderLeftWidth, 10) || 0; 
        var borderRight = parseInt(computedStyle.borderRightWidth, 10) || 0; 
        var borderTop = parseInt(computedStyle.borderTopWidth, 10) || 0; 
        var borderBottom = parseInt(computedStyle.borderBottomWidth, 10) || 0; 
        var badScrollbarWidths = computeScrollbarWidthsForEl(el); // includes border! 
        var scrollbarLeftRight = badScrollbarWidths.y - borderLeft - borderRight; 
        var scrollbarBottom = badScrollbarWidths.x - borderTop - borderBottom; 
        var res = { 
            borderLeft: borderLeft, 
            borderRight: borderRight, 
            borderTop: borderTop, 
            borderBottom: borderBottom, 
            scrollbarBottom: scrollbarBottom, 
            scrollbarLeft: 0, 
            scrollbarRight: 0 
        }; 
        if (getIsRtlScrollbarOnLeft() && computedStyle.direction === 'rtl') { // is the scrollbar on the left side? 
            res.scrollbarLeft = scrollbarLeftRight; 
        } 
        else { 
            res.scrollbarRight = scrollbarLeftRight; 
        } 
        if (getPadding) { 
            res.paddingLeft = parseInt(computedStyle.paddingLeft, 10) || 0; 
            res.paddingRight = parseInt(computedStyle.paddingRight, 10) || 0; 
            res.paddingTop = parseInt(computedStyle.paddingTop, 10) || 0; 
            res.paddingBottom = parseInt(computedStyle.paddingBottom, 10) || 0; 
        } 
        return res; 
    } 
    function computeInnerRect(el, goWithinPadding, doFromWindowViewport) { 
        if (goWithinPadding === void 0) { goWithinPadding = false; } 
        var outerRect = doFromWindowViewport ? el.getBoundingClientRect() : computeRect(el); 
        var edges = computeEdges(el, goWithinPadding); 
        var res = { 
            left: outerRect.left + edges.borderLeft + edges.scrollbarLeft, 
            right: outerRect.right - edges.borderRight - edges.scrollbarRight, 
            top: outerRect.top + edges.borderTop, 
            bottom: outerRect.bottom - edges.borderBottom - edges.scrollbarBottom 
        }; 
        if (goWithinPadding) { 
            res.left += edges.paddingLeft; 
            res.right -= edges.paddingRight; 
            res.top += edges.paddingTop; 
            res.bottom -= edges.paddingBottom; 
        } 
        return res; 
    } 
    function computeRect(el) { 
        var rect = el.getBoundingClientRect(); 
        return { 
            left: rect.left + window.pageXOffset, 
            top: rect.top + window.pageYOffset, 
            right: rect.right + window.pageXOffset, 
            bottom: rect.bottom + window.pageYOffset 
        }; 
    } 
    function computeHeightAndMargins(el) { 
        return el.getBoundingClientRect().height + computeVMargins(el); 
    } 
    function computeVMargins(el) { 
        var computed = window.getComputedStyle(el); 
        return parseInt(computed.marginTop, 10) + 
            parseInt(computed.marginBottom, 10); 
    } 
    // does not return window 
    function getClippingParents(el) { 
        var parents = []; 
        while (el instanceof HTMLElement) { // will stop when gets to document or null 
            var computedStyle = window.getComputedStyle(el); 
            if (computedStyle.position === 'fixed') { 
                break; 
            } 
            if ((/(auto|scroll)/).test(computedStyle.overflow + computedStyle.overflowY + computedStyle.overflowX)) { 
                parents.push(el); 
            } 
            el = el.parentNode; 
        } 
        return parents; 
    } 
 
    // given a function that resolves a result asynchronously. 
    // the function can either call passed-in success and failure callbacks, 
    // or it can return a promise. 
    // if you need to pass additional params to func, bind them first. 
    function unpromisify(func, success, failure) { 
        // guard against success/failure callbacks being called more than once 
        // and guard against a promise AND callback being used together. 
        var isResolved = false; 
        var wrappedSuccess = function () { 
            if (!isResolved) { 
                isResolved = true; 
                success.apply(this, arguments); 
            } 
        }; 
        var wrappedFailure = function () { 
            if (!isResolved) { 
                isResolved = true; 
                if (failure) { 
                    failure.apply(this, arguments); 
                } 
            } 
        }; 
        var res = func(wrappedSuccess, wrappedFailure); 
        if (res && typeof res.then === 'function') { 
            res.then(wrappedSuccess, wrappedFailure); 
        } 
    } 
 
    var Emitter = /** @class */ (function () { 
        function Emitter() { 
            this.handlers = {}; 
            this.thisContext = null; 
        } 
        Emitter.prototype.setThisContext = function (thisContext) { 
            this.thisContext = thisContext; 
        }; 
        Emitter.prototype.setOptions = function (options) { 
            this.options = options; 
        }; 
        Emitter.prototype.on = function (type, handler) { 
            addToHash(this.handlers, type, handler); 
        }; 
        Emitter.prototype.off = function (type, handler) { 
            removeFromHash(this.handlers, type, handler); 
        }; 
        Emitter.prototype.trigger = function (type) { 
            var args = []; 
            for (var _i = 1; _i < arguments.length; _i++) { 
                args[_i - 1] = arguments[_i]; 
            } 
            var attachedHandlers = this.handlers[type] || []; 
            var optionHandler = this.options && this.options[type]; 
            var handlers = [].concat(optionHandler || [], attachedHandlers); 
            for (var _a = 0, handlers_1 = handlers; _a < handlers_1.length; _a++) { 
                var handler = handlers_1[_a]; 
                handler.apply(this.thisContext, args); 
            } 
        }; 
        Emitter.prototype.hasHandlers = function (type) { 
            return (this.handlers[type] && this.handlers[type].length) || 
                (this.options && this.options[type]); 
        }; 
        return Emitter; 
    }()); 
    function addToHash(hash, type, handler) { 
        (hash[type] || (hash[type] = [])) 
            .push(handler); 
    } 
    function removeFromHash(hash, type, handler) { 
        if (handler) { 
            if (hash[type]) { 
                hash[type] = hash[type].filter(function (func) { 
                    return func !== handler; 
                }); 
            } 
        } 
        else { 
            delete hash[type]; // remove all handler funcs for this type 
        } 
    } 
 
    /* 
    Records offset information for a set of elements, relative to an origin element. 
    Can record the left/right OR the top/bottom OR both. 
    Provides methods for querying the cache by position. 
    */ 
    var PositionCache = /** @class */ (function () { 
        function PositionCache(originEl, els, isHorizontal, isVertical) { 
            this.els = els; 
            var originClientRect = this.originClientRect = originEl.getBoundingClientRect(); // relative to viewport top-left 
            if (isHorizontal) { 
                this.buildElHorizontals(originClientRect.left); 
            } 
            if (isVertical) { 
                this.buildElVerticals(originClientRect.top); 
            } 
        } 
        // Populates the left/right internal coordinate arrays 
        PositionCache.prototype.buildElHorizontals = function (originClientLeft) { 
            var lefts = []; 
            var rights = []; 
            for (var _i = 0, _a = this.els; _i < _a.length; _i++) { 
                var el = _a[_i]; 
                var rect = el.getBoundingClientRect(); 
                lefts.push(rect.left - originClientLeft); 
                rights.push(rect.right - originClientLeft); 
            } 
            this.lefts = lefts; 
            this.rights = rights; 
        }; 
        // Populates the top/bottom internal coordinate arrays 
        PositionCache.prototype.buildElVerticals = function (originClientTop) { 
            var tops = []; 
            var bottoms = []; 
            for (var _i = 0, _a = this.els; _i < _a.length; _i++) { 
                var el = _a[_i]; 
                var rect = el.getBoundingClientRect(); 
                tops.push(rect.top - originClientTop); 
                bottoms.push(rect.bottom - originClientTop); 
            } 
            this.tops = tops; 
            this.bottoms = bottoms; 
        }; 
        // Given a left offset (from document left), returns the index of the el that it horizontally intersects. 
        // If no intersection is made, returns undefined. 
        PositionCache.prototype.leftToIndex = function (leftPosition) { 
            var lefts = this.lefts; 
            var rights = this.rights; 
            var len = lefts.length; 
            var i; 
            for (i = 0; i < len; i++) { 
                if (leftPosition >= lefts[i] && leftPosition < rights[i]) { 
                    return i; 
                } 
            } 
        }; 
        // Given a top offset (from document top), returns the index of the el that it vertically intersects. 
        // If no intersection is made, returns undefined. 
        PositionCache.prototype.topToIndex = function (topPosition) { 
            var tops = this.tops; 
            var bottoms = this.bottoms; 
            var len = tops.length; 
            var i; 
            for (i = 0; i < len; i++) { 
                if (topPosition >= tops[i] && topPosition < bottoms[i]) { 
                    return i; 
                } 
            } 
        }; 
        // Gets the width of the element at the given index 
        PositionCache.prototype.getWidth = function (leftIndex) { 
            return this.rights[leftIndex] - this.lefts[leftIndex]; 
        }; 
        // Gets the height of the element at the given index 
        PositionCache.prototype.getHeight = function (topIndex) { 
            return this.bottoms[topIndex] - this.tops[topIndex]; 
        }; 
        return PositionCache; 
    }()); 
 
    /* 
    An object for getting/setting scroll-related information for an element. 
    Internally, this is done very differently for window versus DOM element, 
    so this object serves as a common interface. 
    */ 
    var ScrollController = /** @class */ (function () { 
        function ScrollController() { 
        } 
        ScrollController.prototype.getMaxScrollTop = function () { 
            return this.getScrollHeight() - this.getClientHeight(); 
        }; 
        ScrollController.prototype.getMaxScrollLeft = function () { 
            return this.getScrollWidth() - this.getClientWidth(); 
        }; 
        ScrollController.prototype.canScrollVertically = function () { 
            return this.getMaxScrollTop() > 0; 
        }; 
        ScrollController.prototype.canScrollHorizontally = function () { 
            return this.getMaxScrollLeft() > 0; 
        }; 
        ScrollController.prototype.canScrollUp = function () { 
            return this.getScrollTop() > 0; 
        }; 
        ScrollController.prototype.canScrollDown = function () { 
            return this.getScrollTop() < this.getMaxScrollTop(); 
        }; 
        ScrollController.prototype.canScrollLeft = function () { 
            return this.getScrollLeft() > 0; 
        }; 
        ScrollController.prototype.canScrollRight = function () { 
            return this.getScrollLeft() < this.getMaxScrollLeft(); 
        }; 
        return ScrollController; 
    }()); 
    var ElementScrollController = /** @class */ (function (_super) { 
        __extends(ElementScrollController, _super); 
        function ElementScrollController(el) { 
            var _this = _super.call(this) || this; 
            _this.el = el; 
            return _this; 
        } 
        ElementScrollController.prototype.getScrollTop = function () { 
            return this.el.scrollTop; 
        }; 
        ElementScrollController.prototype.getScrollLeft = function () { 
            return this.el.scrollLeft; 
        }; 
        ElementScrollController.prototype.setScrollTop = function (top) { 
            this.el.scrollTop = top; 
        }; 
        ElementScrollController.prototype.setScrollLeft = function (left) { 
            this.el.scrollLeft = left; 
        }; 
        ElementScrollController.prototype.getScrollWidth = function () { 
            return this.el.scrollWidth; 
        }; 
        ElementScrollController.prototype.getScrollHeight = function () { 
            return this.el.scrollHeight; 
        }; 
        ElementScrollController.prototype.getClientHeight = function () { 
            return this.el.clientHeight; 
        }; 
        ElementScrollController.prototype.getClientWidth = function () { 
            return this.el.clientWidth; 
        }; 
        return ElementScrollController; 
    }(ScrollController)); 
    var WindowScrollController = /** @class */ (function (_super) { 
        __extends(WindowScrollController, _super); 
        function WindowScrollController() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        WindowScrollController.prototype.getScrollTop = function () { 
            return window.pageYOffset; 
        }; 
        WindowScrollController.prototype.getScrollLeft = function () { 
            return window.pageXOffset; 
        }; 
        WindowScrollController.prototype.setScrollTop = function (n) { 
            window.scroll(window.pageXOffset, n); 
        }; 
        WindowScrollController.prototype.setScrollLeft = function (n) { 
            window.scroll(n, window.pageYOffset); 
        }; 
        WindowScrollController.prototype.getScrollWidth = function () { 
            return document.documentElement.scrollWidth; 
        }; 
        WindowScrollController.prototype.getScrollHeight = function () { 
            return document.documentElement.scrollHeight; 
        }; 
        WindowScrollController.prototype.getClientHeight = function () { 
            return document.documentElement.clientHeight; 
        }; 
        WindowScrollController.prototype.getClientWidth = function () { 
            return document.documentElement.clientWidth; 
        }; 
        return WindowScrollController; 
    }(ScrollController)); 
 
    var Theme = /** @class */ (function () { 
        function Theme(calendarOptions) { 
            if (this.iconOverrideOption) { 
                this.setIconOverride(calendarOptions[this.iconOverrideOption]); 
            } 
        } 
        Theme.prototype.setIconOverride = function (iconOverrideHash) { 
            var iconClassesCopy; 
            var buttonName; 
            if (typeof iconOverrideHash === 'object' && iconOverrideHash) { // non-null object 
                iconClassesCopy = __assign({}, this.iconClasses); 
                for (buttonName in iconOverrideHash) { 
                    iconClassesCopy[buttonName] = this.applyIconOverridePrefix(iconOverrideHash[buttonName]); 
                } 
                this.iconClasses = iconClassesCopy; 
            } 
            else if (iconOverrideHash === false) { 
                this.iconClasses = {}; 
            } 
        }; 
        Theme.prototype.applyIconOverridePrefix = function (className) { 
            var prefix = this.iconOverridePrefix; 
            if (prefix && className.indexOf(prefix) !== 0) { // if not already present 
                className = prefix + className; 
            } 
            return className; 
        }; 
        Theme.prototype.getClass = function (key) { 
            return this.classes[key] || ''; 
        }; 
        Theme.prototype.getIconClass = function (buttonName, isRtl) { 
            var className; 
            if (isRtl && this.rtlIconClasses) { 
                className = this.rtlIconClasses[buttonName] || this.iconClasses[buttonName]; 
            } 
            else { 
                className = this.iconClasses[buttonName]; 
            } 
            if (className) { 
                return this.baseIconClass + ' ' + className; 
            } 
            return ''; 
        }; 
        Theme.prototype.getCustomButtonIconClass = function (customButtonProps) { 
            var className; 
            if (this.iconOverrideCustomButtonOption) { 
                className = customButtonProps[this.iconOverrideCustomButtonOption]; 
                if (className) { 
                    return this.baseIconClass + ' ' + this.applyIconOverridePrefix(className); 
                } 
            } 
            return ''; 
        }; 
        return Theme; 
    }()); 
    Theme.prototype.classes = {}; 
    Theme.prototype.iconClasses = {}; 
    Theme.prototype.baseIconClass = ''; 
    Theme.prototype.iconOverridePrefix = ''; 
 
    /// <reference types="@fullcalendar/core-vdom" /> 
    if (typeof FullCalendarVDom === 'undefined') { 
        throw new Error('Please import the top-level fullcalendar lib before attempting to import a plugin.'); 
    } 
    var Component = FullCalendarVDom.Component; 
    var createElement = FullCalendarVDom.createElement; 
    var render = FullCalendarVDom.render; 
    var createRef = FullCalendarVDom.createRef; 
    var Fragment = FullCalendarVDom.Fragment; 
    var createContext$1 = FullCalendarVDom.createContext; 
    var flushToDom$1 = FullCalendarVDom.flushToDom; 
 
    var ScrollResponder = /** @class */ (function () { 
        function ScrollResponder(execFunc, emitter, scrollTime) { 
            var _this = this; 
            this.execFunc = execFunc; 
            this.emitter = emitter; 
            this.scrollTime = scrollTime; 
            this.handleScrollRequest = function (request) { 
                _this.queuedRequest = __assign({}, _this.queuedRequest || {}, request); 
                _this.drain(); 
            }; 
            emitter.on('_scrollRequest', this.handleScrollRequest); 
            this.fireInitialScroll(); 
        } 
        ScrollResponder.prototype.detach = function () { 
            this.emitter.off('_scrollRequest', this.handleScrollRequest); 
        }; 
        ScrollResponder.prototype.update = function (isDatesNew) { 
            if (isDatesNew) { 
                this.fireInitialScroll(); // will drain 
            } 
            else { 
                this.drain(); 
            } 
        }; 
        ScrollResponder.prototype.fireInitialScroll = function () { 
            this.handleScrollRequest({ 
                time: this.scrollTime 
            }); 
        }; 
        ScrollResponder.prototype.drain = function () { 
            if (this.queuedRequest && this.execFunc(this.queuedRequest)) { 
                this.queuedRequest = null; 
            } 
        }; 
        return ScrollResponder; 
    }()); 
 
    var ViewContextType = createContext$1({}); // for Components 
    function buildViewContext(viewSpec, viewApi, viewOptions, dateProfileGenerator, dateEnv, theme, pluginHooks, dispatch, getCurrentData, emitter, calendarApi, registerInteractiveComponent, unregisterInteractiveComponent) { 
        return { 
            dateEnv: dateEnv, 
            options: viewOptions, 
            pluginHooks: pluginHooks, 
            emitter: emitter, 
            dispatch: dispatch, 
            getCurrentData: getCurrentData, 
            calendarApi: calendarApi, 
            viewSpec: viewSpec, 
            viewApi: viewApi, 
            dateProfileGenerator: dateProfileGenerator, 
            theme: theme, 
            isRtl: viewOptions.direction === 'rtl', 
            addResizeHandler: function (handler) { 
                emitter.on('_resize', handler); 
            }, 
            removeResizeHandler: function (handler) { 
                emitter.off('_resize', handler); 
            }, 
            createScrollResponder: function (execFunc) { 
                return new ScrollResponder(execFunc, emitter, createDuration(viewOptions.scrollTime)); 
            }, 
            registerInteractiveComponent: registerInteractiveComponent, 
            unregisterInteractiveComponent: unregisterInteractiveComponent 
        }; 
    } 
 
    var PureComponent = /** @class */ (function (_super) { 
        __extends(PureComponent, _super); 
        function PureComponent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        PureComponent.prototype.shouldComponentUpdate = function (nextProps, nextState) { 
            if (this.debug) { 
                console.log(getUnequalProps(nextProps, this.props), getUnequalProps(nextState, this.state)); 
            } 
            return !compareObjs(this.props, nextProps, this.propEquality) || 
                !compareObjs(this.state, nextState, this.stateEquality); 
        }; 
        PureComponent.addPropsEquality = addPropsEquality; 
        PureComponent.addStateEquality = addStateEquality; 
        PureComponent.contextType = ViewContextType; 
        return PureComponent; 
    }(Component)); 
    PureComponent.prototype.propEquality = {}; 
    PureComponent.prototype.stateEquality = {}; 
    var BaseComponent = /** @class */ (function (_super) { 
        __extends(BaseComponent, _super); 
        function BaseComponent() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        BaseComponent.contextType = ViewContextType; 
        return BaseComponent; 
    }(PureComponent)); 
    function addPropsEquality(propEquality) { 
        var hash = Object.create(this.prototype.propEquality); 
        __assign(hash, propEquality); 
        this.prototype.propEquality = hash; 
    } 
    function addStateEquality(stateEquality) { 
        var hash = Object.create(this.prototype.stateEquality); 
        __assign(hash, stateEquality); 
        this.prototype.stateEquality = hash; 
    } 
    // use other one 
    function setRef(ref, current) { 
        if (typeof ref === 'function') { 
            ref(current); 
        } 
        else if (ref) { 
            // see https://github.com/facebook/react/issues/13029 
            ref.current = current; 
        } 
    } 
 
    function reduceEventStore(eventStore, action, eventSources, dateProfile, context) { 
        switch (action.type) { 
            case 'RECEIVE_EVENTS': // raw 
                return receiveRawEvents(eventStore, eventSources[action.sourceId], action.fetchId, action.fetchRange, action.rawEvents, context); 
            case 'ADD_EVENTS': // already parsed, but not expanded 
                return addEvent(eventStore, action.eventStore, // new ones 
                dateProfile ? dateProfile.activeRange : null, context); 
            case 'MERGE_EVENTS': // already parsed and expanded 
                return mergeEventStores(eventStore, action.eventStore); 
            case 'PREV': // TODO: how do we track all actions that affect dateProfile :( 
            case 'NEXT': 
            case 'CHANGE_DATE': 
            case 'CHANGE_VIEW_TYPE': 
                if (dateProfile) { 
                    return expandRecurring(eventStore, dateProfile.activeRange, context); 
                } 
                else { 
                    return eventStore; 
                } 
            case 'REMOVE_EVENTS': 
                return excludeSubEventStore(eventStore, action.eventStore); 
            case 'REMOVE_EVENT_SOURCE': 
                return excludeEventsBySourceId(eventStore, action.sourceId); 
            case 'REMOVE_ALL_EVENT_SOURCES': 
                return filterEventStoreDefs(eventStore, function (eventDef) { 
                    return !eventDef.sourceId; // only keep events with no source id 
                }); 
            case 'REMOVE_ALL_EVENTS': 
                return createEmptyEventStore(); 
            default: 
                return eventStore; 
        } 
    } 
    function receiveRawEvents(eventStore, eventSource, fetchId, fetchRange, rawEvents, context) { 
        if (eventSource && // not already removed 
            fetchId === eventSource.latestFetchId // TODO: wish this logic was always in event-sources 
        ) { 
            var subset = parseEvents(transformRawEvents(rawEvents, eventSource, context), eventSource, context); 
            if (fetchRange) { 
                subset = expandRecurring(subset, fetchRange, context); 
            } 
            return mergeEventStores(excludeEventsBySourceId(eventStore, eventSource.sourceId), subset); 
        } 
        return eventStore; 
    } 
    function transformRawEvents(rawEvents, eventSource, context) { 
        var calEachTransform = context.options.eventDataTransform; 
        var sourceEachTransform = eventSource ? eventSource.eventDataTransform : null; 
        if (sourceEachTransform) { 
            rawEvents = transformEachRawEvent(rawEvents, sourceEachTransform); 
        } 
        if (calEachTransform) { 
            rawEvents = transformEachRawEvent(rawEvents, calEachTransform); 
        } 
        return rawEvents; 
    } 
    function transformEachRawEvent(rawEvents, func) { 
        var refinedEvents; 
        if (!func) { 
            refinedEvents = rawEvents; 
        } 
        else { 
            refinedEvents = []; 
            for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) { 
                var rawEvent = rawEvents_1[_i]; 
                var refinedEvent = func(rawEvent); 
                if (refinedEvent) { 
                    refinedEvents.push(refinedEvent); 
                } 
                else if (refinedEvent == null) { 
                    refinedEvents.push(rawEvent); 
                } // if a different falsy value, do nothing 
            } 
        } 
        return refinedEvents; 
    } 
    function addEvent(eventStore, subset, expandRange, context) { 
        if (expandRange) { 
            subset = expandRecurring(subset, expandRange, context); 
        } 
        return mergeEventStores(eventStore, subset); 
    } 
    function rezoneEventStoreDates(eventStore, oldDateEnv, newDateEnv) { 
        var defs = eventStore.defs; 
        var instances = mapHash(eventStore.instances, function (instance) { 
            var def = defs[instance.defId]; 
            if (def.allDay || def.recurringDef) { 
                return instance; // isn't dependent on timezone 
            } 
            else { 
                return __assign(__assign({}, instance), { range: { 
                        start: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.start, instance.forcedStartTzo)), 
                        end: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.end, instance.forcedEndTzo)) 
                    }, forcedStartTzo: newDateEnv.canComputeOffset ? null : instance.forcedStartTzo, forcedEndTzo: newDateEnv.canComputeOffset ? null : instance.forcedEndTzo }); 
            } 
        }); 
        return { defs: defs, instances: instances }; 
    } 
    function excludeEventsBySourceId(eventStore, sourceId) { 
        return filterEventStoreDefs(eventStore, function (eventDef) { 
            return eventDef.sourceId !== sourceId; 
        }); 
    } 
    // QUESTION: why not just return instances? do a general object-property-exclusion util 
    function excludeInstances(eventStore, removals) { 
        return { 
            defs: eventStore.defs, 
            instances: filterHash(eventStore.instances, function (instance) { 
                return !removals[instance.instanceId]; 
            }) 
        }; 
    } 
 
    // high-level segmenting-aware tester functions 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function isInteractionValid(interaction, context) { 
        return isNewPropsValid({ eventDrag: interaction }, context); // HACK: the eventDrag props is used for ALL interactions 
    } 
    function isDateSelectionValid(dateSelection, context) { 
        return isNewPropsValid({ dateSelection: dateSelection }, context); 
    } 
    function isNewPropsValid(newProps, context) { 
        var calendarState = context.getCurrentData(); 
        var props = __assign({ businessHours: calendarState.businessHours, dateSelection: '', eventStore: calendarState.eventStore, eventUiBases: calendarState.eventUiBases, eventSelection: '', eventDrag: null, eventResize: null }, newProps); 
        return (context.pluginHooks.isPropsValid || isPropsValid)(props, context); 
    } 
    function isPropsValid(state, context, dateSpanMeta, filterConfig) { 
        if (dateSpanMeta === void 0) { dateSpanMeta = {}; } 
        if (state.eventDrag && !isInteractionPropsValid(state, context, dateSpanMeta, filterConfig)) { 
            return false; 
        } 
        if (state.dateSelection && !isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig)) { 
            return false; 
        } 
        return true; 
    } 
    // Moving Event Validation 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function isInteractionPropsValid(state, context, dateSpanMeta, filterConfig) { 
        var currentState = context.getCurrentData(); 
        var interaction = state.eventDrag; // HACK: the eventDrag props is used for ALL interactions 
        var subjectEventStore = interaction.mutatedEvents; 
        var subjectDefs = subjectEventStore.defs; 
        var subjectInstances = subjectEventStore.instances; 
        var subjectConfigs = compileEventUis(subjectDefs, interaction.isEvent ? 
            state.eventUiBases : 
            { '': currentState.selectionConfig } // if not a real event, validate as a selection 
        ); 
        if (filterConfig) { 
            subjectConfigs = mapHash(subjectConfigs, filterConfig); 
        } 
        var otherEventStore = excludeInstances(state.eventStore, interaction.affectedEvents.instances); // exclude the subject events. TODO: exclude defs too? 
        var otherDefs = otherEventStore.defs; 
        var otherInstances = otherEventStore.instances; 
        var otherConfigs = compileEventUis(otherDefs, state.eventUiBases); 
        for (var subjectInstanceId in subjectInstances) { 
            var subjectInstance = subjectInstances[subjectInstanceId]; 
            var subjectRange = subjectInstance.range; 
            var subjectConfig = subjectConfigs[subjectInstance.defId]; 
            var subjectDef = subjectDefs[subjectInstance.defId]; 
            // constraint 
            if (!allConstraintsPass(subjectConfig.constraints, subjectRange, otherEventStore, state.businessHours, context)) { 
                return false; 
            } 
            // overlap 
            var eventOverlap = context.options.eventOverlap; 
            var eventOverlapFunc = typeof eventOverlap === 'function' ? eventOverlap : null; 
            for (var otherInstanceId in otherInstances) { 
                var otherInstance = otherInstances[otherInstanceId]; 
                // intersect! evaluate 
                if (rangesIntersect(subjectRange, otherInstance.range)) { 
                    var otherOverlap = otherConfigs[otherInstance.defId].overlap; 
                    // consider the other event's overlap. only do this if the subject event is a "real" event 
                    if (otherOverlap === false && interaction.isEvent) { 
                        return false; 
                    } 
                    if (subjectConfig.overlap === false) { 
                        return false; 
                    } 
                    if (eventOverlapFunc && !eventOverlapFunc(new EventApi(context, otherDefs[otherInstance.defId], otherInstance), // still event 
                    new EventApi(context, subjectDef, subjectInstance) // moving event 
                    )) { 
                        return false; 
                    } 
                } 
            } 
            // allow (a function) 
            var calendarEventStore = currentState.eventStore; // need global-to-calendar, not local to component (splittable)state 
            for (var _i = 0, _a = subjectConfig.allows; _i < _a.length; _i++) { 
                var subjectAllow = _a[_i]; 
                var subjectDateSpan = __assign(__assign({}, dateSpanMeta), { range: subjectInstance.range, allDay: subjectDef.allDay }); 
                var origDef = calendarEventStore.defs[subjectDef.defId]; 
                var origInstance = calendarEventStore.instances[subjectInstanceId]; 
                var eventApi = void 0; 
                if (origDef) { // was previously in the calendar 
                    eventApi = new EventApi(context, origDef, origInstance); 
                } 
                else { // was an external event 
                    eventApi = new EventApi(context, subjectDef); // no instance, because had no dates 
                } 
                if (!subjectAllow(buildDateSpanApiWithContext(subjectDateSpan, context), eventApi)) { 
                    return false; 
                } 
            } 
        } 
        return true; 
    } 
    // Date Selection Validation 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig) { 
        var relevantEventStore = state.eventStore; 
        var relevantDefs = relevantEventStore.defs; 
        var relevantInstances = relevantEventStore.instances; 
        var selection = state.dateSelection; 
        var selectionRange = selection.range; 
        var selectionConfig = context.getCurrentData().selectionConfig; 
        if (filterConfig) { 
            selectionConfig = filterConfig(selectionConfig); 
        } 
        // constraint 
        if (!allConstraintsPass(selectionConfig.constraints, selectionRange, relevantEventStore, state.businessHours, context)) { 
            return false; 
        } 
        // overlap 
        var selectOverlap = context.options.selectOverlap; 
        var selectOverlapFunc = typeof selectOverlap === 'function' ? selectOverlap : null; 
        for (var relevantInstanceId in relevantInstances) { 
            var relevantInstance = relevantInstances[relevantInstanceId]; 
            // intersect! evaluate 
            if (rangesIntersect(selectionRange, relevantInstance.range)) { 
                if (selectionConfig.overlap === false) { 
                    return false; 
                } 
                if (selectOverlapFunc && !selectOverlapFunc(new EventApi(context, relevantDefs[relevantInstance.defId], relevantInstance), null)) { 
                    return false; 
                } 
            } 
        } 
        // allow (a function) 
        for (var _i = 0, _a = selectionConfig.allows; _i < _a.length; _i++) { 
            var selectionAllow = _a[_i]; 
            var fullDateSpan = __assign(__assign({}, dateSpanMeta), selection); 
            if (!selectionAllow(buildDateSpanApiWithContext(fullDateSpan, context), null)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    // Constraint Utils 
    // ------------------------------------------------------------------------------------------------------------------------ 
    function allConstraintsPass(constraints, subjectRange, otherEventStore, businessHoursUnexpanded, context) { 
        for (var _i = 0, constraints_1 = constraints; _i < constraints_1.length; _i++) { 
            var constraint = constraints_1[_i]; 
            if (!anyRangesContainRange(constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, context), subjectRange)) { 
                return false; 
            } 
        } 
        return true; 
    } 
    function constraintToRanges(constraint, subjectRange, // for expanding a recurring constraint, or expanding business hours 
    otherEventStore, // for if constraint is an even group ID 
    businessHoursUnexpanded, // for if constraint is 'businessHours' 
    context // for expanding businesshours 
    ) { 
        if (constraint === 'businessHours') { 
            return eventStoreToRanges(expandRecurring(businessHoursUnexpanded, subjectRange, context)); 
        } 
        else if (typeof constraint === 'string') { // an group ID 
            return eventStoreToRanges(filterEventStoreDefs(otherEventStore, function (eventDef) { 
                return eventDef.groupId === constraint; 
            })); 
        } 
        else if (typeof constraint === 'object' && constraint) { // non-null object 
            return eventStoreToRanges(expandRecurring(constraint, subjectRange, context)); 
        } 
        return []; // if it's false 
    } 
    // TODO: move to event-store file? 
    function eventStoreToRanges(eventStore) { 
        var instances = eventStore.instances; 
        var ranges = []; 
        for (var instanceId in instances) { 
            ranges.push(instances[instanceId].range); 
        } 
        return ranges; 
    } 
    // TODO: move to geom file? 
    function anyRangesContainRange(outerRanges, innerRange) { 
        for (var _i = 0, outerRanges_1 = outerRanges; _i < outerRanges_1.length; _i++) { 
            var outerRange = outerRanges_1[_i]; 
            if (rangeContainsRange(outerRange, innerRange)) { 
                return true; 
            } 
        } 
        return false; 
    } 
 
    /* 
    an INTERACTABLE date component 
 
    PURPOSES: 
    - hook up to fg, fill, and mirror renderers 
    - interface for dragging and hits 
    */ 
    var DateComponent = /** @class */ (function (_super) { 
        __extends(DateComponent, _super); 
        function DateComponent() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.uid = guid(); 
            return _this; 
        } 
        // Hit System 
        // ----------------------------------------------------------------------------------------------------------------- 
        DateComponent.prototype.prepareHits = function () { 
        }; 
        DateComponent.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) { 
            return null; // this should be abstract 
        }; 
        // Validation 
        // ----------------------------------------------------------------------------------------------------------------- 
        DateComponent.prototype.isInteractionValid = function (interaction) { 
            var dateProfile = this.props.dateProfile; // HACK 
            var instances = interaction.mutatedEvents.instances; 
            if (dateProfile) { // HACK for MorePopover 
                for (var instanceId in instances) { 
                    if (!rangeContainsRange(dateProfile.validRange, instances[instanceId].range)) { 
                        return false; 
                    } 
                } 
            } 
            return isInteractionValid(interaction, this.context); 
        }; 
        DateComponent.prototype.isDateSelectionValid = function (selection) { 
            var dateProfile = this.props.dateProfile; // HACK 
            if (dateProfile && // HACK for MorePopover 
                !rangeContainsRange(dateProfile.validRange, selection.range)) { 
                return false; 
            } 
            return isDateSelectionValid(selection, this.context); 
        }; 
        // Pointer Interaction Utils 
        // ----------------------------------------------------------------------------------------------------------------- 
        DateComponent.prototype.isValidSegDownEl = function (el) { 
            return !this.props.eventDrag && // HACK 
                !this.props.eventResize && // HACK 
                !elementClosest(el, '.fc-event-mirror') && 
                (this.isPopover() || !this.isInPopover(el)); 
            // ^above line ensures we don't detect a seg interaction within a nested component. 
            // it's a HACK because it only supports a popover as the nested component. 
        }; 
        DateComponent.prototype.isValidDateDownEl = function (el) { 
            return !elementClosest(el, '.fc-event:not(.fc-bg-event)') && 
                !elementClosest(el, '.fc-daygrid-more-link') && // a "more.." link 
                !elementClosest(el, 'a[data-navlink]') && // a clickable nav link 
                !this.isInPopover(el); 
        }; 
        DateComponent.prototype.isPopover = function () { 
            return false; 
        }; 
        DateComponent.prototype.isInPopover = function (el) { 
            return Boolean(elementClosest(el, '.fc-popover')); 
        }; 
        return DateComponent; 
    }(BaseComponent)); 
 
    // TODO: easier way to add new hooks? need to update a million things 
    function createPlugin(input) { 
        return { 
            id: guid(), 
            deps: input.deps || [], 
            reducers: input.reducers || [], 
            contextInit: [].concat(input.contextInit || []), 
            eventRefiners: input.eventRefiners || {}, 
            eventDefMemberAdders: input.eventDefMemberAdders || [], 
            eventSourceRefiners: input.eventSourceRefiners || {}, 
            isDraggableTransformers: input.isDraggableTransformers || [], 
            eventDragMutationMassagers: input.eventDragMutationMassagers || [], 
            eventDefMutationAppliers: input.eventDefMutationAppliers || [], 
            dateSelectionTransformers: input.dateSelectionTransformers || [], 
            datePointTransforms: input.datePointTransforms || [], 
            dateSpanTransforms: input.dateSpanTransforms || [], 
            views: input.views || {}, 
            viewPropsTransformers: input.viewPropsTransformers || [], 
            isPropsValid: input.isPropsValid || null, 
            externalDefTransforms: input.externalDefTransforms || [], 
            eventResizeJoinTransforms: input.eventResizeJoinTransforms || [], 
            viewContainerAppends: input.viewContainerAppends || [], 
            eventDropTransformers: input.eventDropTransformers || [], 
            componentInteractions: input.componentInteractions || [], 
            calendarInteractions: input.calendarInteractions || [], 
            themeClasses: input.themeClasses || {}, 
            eventSourceDefs: input.eventSourceDefs || [], 
            cmdFormatter: input.cmdFormatter, 
            recurringTypes: input.recurringTypes || [], 
            namedTimeZonedImpl: input.namedTimeZonedImpl, 
            initialView: input.initialView || '', 
            elementDraggingImpl: input.elementDraggingImpl, 
            optionChangeHandlers: input.optionChangeHandlers || {}, 
            scrollGridImpl: input.scrollGridImpl || null, 
            contentTypeHandlers: input.contentTypeHandlers || {}, 
            listenerRefiners: input.listenerRefiners || {}, 
            optionRefiners: input.optionRefiners || {}, 
            propSetHandlers: input.propSetHandlers || {} 
        }; 
    } 
    function buildPluginHooks(pluginDefs, globalDefs) { 
        var isAdded = {}; 
        var hooks = { 
            reducers: [], 
            contextInit: [], 
            eventRefiners: {}, 
            eventDefMemberAdders: [], 
            eventSourceRefiners: {}, 
            isDraggableTransformers: [], 
            eventDragMutationMassagers: [], 
            eventDefMutationAppliers: [], 
            dateSelectionTransformers: [], 
            datePointTransforms: [], 
            dateSpanTransforms: [], 
            views: {}, 
            viewPropsTransformers: [], 
            isPropsValid: null, 
            externalDefTransforms: [], 
            eventResizeJoinTransforms: [], 
            viewContainerAppends: [], 
            eventDropTransformers: [], 
            componentInteractions: [], 
            calendarInteractions: [], 
            themeClasses: {}, 
            eventSourceDefs: [], 
            cmdFormatter: null, 
            recurringTypes: [], 
            namedTimeZonedImpl: null, 
            initialView: '', 
            elementDraggingImpl: null, 
            optionChangeHandlers: {}, 
            scrollGridImpl: null, 
            contentTypeHandlers: {}, 
            listenerRefiners: {}, 
            optionRefiners: {}, 
            propSetHandlers: {} 
        }; 
        function addDefs(defs) { 
            for (var _i = 0, defs_1 = defs; _i < defs_1.length; _i++) { 
                var def = defs_1[_i]; 
                if (!isAdded[def.id]) { 
                    isAdded[def.id] = true; 
                    addDefs(def.deps); 
                    hooks = combineHooks(hooks, def); 
                } 
            } 
        } 
        if (pluginDefs) { 
            addDefs(pluginDefs); 
        } 
        addDefs(globalDefs); 
        return hooks; 
    } 
    function buildBuildPluginHooks() { 
        var currentOverrideDefs = []; 
        var currentGlobalDefs = []; 
        var currentHooks; 
        return function (overrideDefs, globalDefs) { 
            if (!currentHooks || !isArraysEqual(overrideDefs, currentOverrideDefs) || !isArraysEqual(globalDefs, currentGlobalDefs)) { 
                currentHooks = buildPluginHooks(overrideDefs, globalDefs); 
            } 
            currentOverrideDefs = overrideDefs; 
            currentGlobalDefs = globalDefs; 
            return currentHooks; 
        }; 
    } 
    function combineHooks(hooks0, hooks1) { 
        return { 
            reducers: hooks0.reducers.concat(hooks1.reducers), 
            contextInit: hooks0.contextInit.concat(hooks1.contextInit), 
            eventRefiners: __assign(__assign({}, hooks0.eventRefiners), hooks1.eventRefiners), 
            eventDefMemberAdders: hooks0.eventDefMemberAdders.concat(hooks1.eventDefMemberAdders), 
            eventSourceRefiners: __assign(__assign({}, hooks0.eventSourceRefiners), hooks1.eventSourceRefiners), 
            isDraggableTransformers: hooks0.isDraggableTransformers.concat(hooks1.isDraggableTransformers), 
            eventDragMutationMassagers: hooks0.eventDragMutationMassagers.concat(hooks1.eventDragMutationMassagers), 
            eventDefMutationAppliers: hooks0.eventDefMutationAppliers.concat(hooks1.eventDefMutationAppliers), 
            dateSelectionTransformers: hooks0.dateSelectionTransformers.concat(hooks1.dateSelectionTransformers), 
            datePointTransforms: hooks0.datePointTransforms.concat(hooks1.datePointTransforms), 
            dateSpanTransforms: hooks0.dateSpanTransforms.concat(hooks1.dateSpanTransforms), 
            views: __assign(__assign({}, hooks0.views), hooks1.views), 
            viewPropsTransformers: hooks0.viewPropsTransformers.concat(hooks1.viewPropsTransformers), 
            isPropsValid: hooks1.isPropsValid || hooks0.isPropsValid, 
            externalDefTransforms: hooks0.externalDefTransforms.concat(hooks1.externalDefTransforms), 
            eventResizeJoinTransforms: hooks0.eventResizeJoinTransforms.concat(hooks1.eventResizeJoinTransforms), 
            viewContainerAppends: hooks0.viewContainerAppends.concat(hooks1.viewContainerAppends), 
            eventDropTransformers: hooks0.eventDropTransformers.concat(hooks1.eventDropTransformers), 
            calendarInteractions: hooks0.calendarInteractions.concat(hooks1.calendarInteractions), 
            componentInteractions: hooks0.componentInteractions.concat(hooks1.componentInteractions), 
            themeClasses: __assign(__assign({}, hooks0.themeClasses), hooks1.themeClasses), 
            eventSourceDefs: hooks0.eventSourceDefs.concat(hooks1.eventSourceDefs), 
            cmdFormatter: hooks1.cmdFormatter || hooks0.cmdFormatter, 
            recurringTypes: hooks0.recurringTypes.concat(hooks1.recurringTypes), 
            namedTimeZonedImpl: hooks1.namedTimeZonedImpl || hooks0.namedTimeZonedImpl, 
            initialView: hooks0.initialView || hooks1.initialView, 
            elementDraggingImpl: hooks0.elementDraggingImpl || hooks1.elementDraggingImpl, 
            optionChangeHandlers: __assign(__assign({}, hooks0.optionChangeHandlers), hooks1.optionChangeHandlers), 
            scrollGridImpl: hooks1.scrollGridImpl || hooks0.scrollGridImpl, 
            contentTypeHandlers: __assign(__assign({}, hooks0.contentTypeHandlers), hooks1.contentTypeHandlers), 
            listenerRefiners: __assign(__assign({}, hooks0.listenerRefiners), hooks1.listenerRefiners), 
            optionRefiners: __assign(__assign({}, hooks0.optionRefiners), hooks1.optionRefiners), 
            propSetHandlers: __assign(__assign({}, hooks0.propSetHandlers), hooks1.propSetHandlers) 
        }; 
    } 
 
    var StandardTheme = /** @class */ (function (_super) { 
        __extends(StandardTheme, _super); 
        function StandardTheme() { 
            return _super !== null && _super.apply(this, arguments) || this; 
        } 
        return StandardTheme; 
    }(Theme)); 
    StandardTheme.prototype.classes = { 
        root: 'fc-theme-standard', 
        tableCellShaded: 'fc-cell-shaded', 
        buttonGroup: 'fc-button-group', 
        button: 'fc-button fc-button-primary', 
        buttonActive: 'fc-button-active' 
    }; 
    StandardTheme.prototype.baseIconClass = 'fc-icon'; 
    StandardTheme.prototype.iconClasses = { 
        close: 'fc-icon-x', 
        prev: 'fc-icon-chevron-left', 
        next: 'fc-icon-chevron-right', 
        prevYear: 'fc-icon-chevrons-left', 
        nextYear: 'fc-icon-chevrons-right' 
    }; 
    StandardTheme.prototype.rtlIconClasses = { 
        prev: 'fc-icon-chevron-right', 
        next: 'fc-icon-chevron-left', 
        prevYear: 'fc-icon-chevrons-right', 
        nextYear: 'fc-icon-chevrons-left' 
    }; 
    StandardTheme.prototype.iconOverrideOption = 'buttonIcons'; // TODO: make TS-friendly 
    StandardTheme.prototype.iconOverrideCustomButtonOption = 'icon'; 
    StandardTheme.prototype.iconOverridePrefix = 'fc-icon-'; 
 
    function compileViewDefs(defaultConfigs, overrideConfigs) { 
        var hash = {}; 
        var viewType; 
        for (viewType in defaultConfigs) { 
            ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs); 
        } 
        for (viewType in overrideConfigs) { 
            ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs); 
        } 
        return hash; 
    } 
    function ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs) { 
        if (hash[viewType]) { 
            return hash[viewType]; 
        } 
        var viewDef = buildViewDef(viewType, hash, defaultConfigs, overrideConfigs); 
        if (viewDef) { 
            hash[viewType] = viewDef; 
        } 
        return viewDef; 
    } 
    function buildViewDef(viewType, hash, defaultConfigs, overrideConfigs) { 
        var defaultConfig = defaultConfigs[viewType]; 
        var overrideConfig = overrideConfigs[viewType]; 
        var queryProp = function (name) { 
            return (defaultConfig && defaultConfig[name] !== null) ? defaultConfig[name] : 
                ((overrideConfig && overrideConfig[name] !== null) ? overrideConfig[name] : null); 
        }; 
        var theComponent = queryProp('component'); 
        var superType = queryProp('superType'); 
        var superDef = null; 
        if (superType) { 
            if (superType === viewType) { 
                throw new Error('Can\'t have a custom view type that references itself'); 
            } 
            superDef = ensureViewDef(superType, hash, defaultConfigs, overrideConfigs); 
        } 
        if (!theComponent && superDef) { 
            theComponent = superDef.component; 
        } 
        if (!theComponent) { 
            return null; // don't throw a warning, might be settings for a single-unit view 
        } 
        return { 
            type: viewType, 
            component: theComponent, 
            defaults: __assign(__assign({}, (superDef ? superDef.defaults : {})), (defaultConfig ? defaultConfig.rawOptions : {})), 
            overrides: __assign(__assign({}, (superDef ? superDef.overrides : {})), (overrideConfig ? overrideConfig.rawOptions : {})) 
        }; 
    } 
 
    // NOTE: in JSX, you should always use this class with <HookProps> arg. otherwise, will default to any??? 
    var RenderHook = /** @class */ (function (_super) { 
        __extends(RenderHook, _super); 
        function RenderHook() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.rootElRef = createRef(); 
            _this.handleRootEl = function (el) { 
                setRef(_this.rootElRef, el); 
                if (_this.props.elRef) { 
                    setRef(_this.props.elRef, el); 
                } 
            }; 
            return _this; 
        } 
        RenderHook.prototype.render = function () { 
            var _this = this; 
            var props = this.props; 
            var hookProps = props.hookProps; 
            return (createElement(MountHook, { hookProps: hookProps, didMount: props.didMount, willUnmount: props.willUnmount, elRef: this.handleRootEl }, function (rootElRef) { return (createElement(ContentHook, { hookProps: hookProps, content: props.content, defaultContent: props.defaultContent, backupElRef: _this.rootElRef }, function (innerElRef, innerContent) { return props.children(rootElRef, normalizeClassNames(props.classNames, hookProps), innerElRef, innerContent); })); })); 
        }; 
        return RenderHook; 
    }(BaseComponent)); 
    // for forcing rerender of components that use the ContentHook 
    var CustomContentRenderContext = createContext$1(0); 
    var ContentHook = /** @class */ (function (_super) { 
        __extends(ContentHook, _super); 
        function ContentHook() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.innerElRef = createRef(); 
            return _this; 
        } 
        ContentHook.prototype.render = function () { 
            var _this = this; 
            return (createElement(CustomContentRenderContext.Consumer, null, function () { return (_this.props.children(_this.innerElRef, _this.renderInnerContent())); })); 
        }; 
        ContentHook.prototype.componentDidMount = function () { 
            this.updateCustomContent(); 
        }; 
        ContentHook.prototype.componentDidUpdate = function () { 
            this.updateCustomContent(); 
        }; 
        ContentHook.prototype.renderInnerContent = function () { 
            var contentTypeHandlers = this.context.pluginHooks.contentTypeHandlers; 
            var _a = this, props = _a.props, customContentInfo = _a.customContentInfo; 
            var rawVal = props.content; 
            var innerContent = normalizeContent(rawVal, props.hookProps); 
            var innerContentVDom = null; 
            if (innerContent === undefined) { // use the default 
                innerContent = normalizeContent(props.defaultContent, props.hookProps); 
            } 
            if (innerContent !== undefined) { // we allow custom content handlers to return nothing 
                if (customContentInfo) { 
                    customContentInfo.contentVal = innerContent[customContentInfo.contentKey]; 
                } 
                else if (typeof innerContent === 'object') { 
                    // look for a prop that would indicate a custom content handler is needed 
                    for (var contentKey in contentTypeHandlers) { 
                        if (innerContent[contentKey] !== undefined) { 
                            customContentInfo = this.customContentInfo = { 
                                contentKey: contentKey, 
                                contentVal: innerContent[contentKey], 
                                handler: contentTypeHandlers[contentKey]() 
                            }; 
                            break; 
                        } 
                    } 
                } 
                if (customContentInfo) { 
                    innerContentVDom = []; // signal that something was specified 
                } 
                else { 
                    innerContentVDom = innerContent; // assume a [p]react vdom node. use it 
                } 
            } 
            return innerContentVDom; 
        }; 
        ContentHook.prototype.updateCustomContent = function () { 
            if (this.customContentInfo) { 
                this.customContentInfo.handler(this.innerElRef.current || this.props.backupElRef.current, // the element to render into 
                this.customContentInfo.contentVal); 
            } 
        }; 
        return ContentHook; 
    }(BaseComponent)); 
    var MountHook = /** @class */ (function (_super) { 
        __extends(MountHook, _super); 
        function MountHook() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.handleRootEl = function (rootEl) { 
                _this.rootEl = rootEl; 
                if (_this.props.elRef) { 
                    setRef(_this.props.elRef, rootEl); 
                } 
            }; 
            return _this; 
        } 
        MountHook.prototype.render = function () { 
            return this.props.children(this.handleRootEl); 
        }; 
        MountHook.prototype.componentDidMount = function () { 
            var callback = this.props.didMount; 
            callback && callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl })); 
        }; 
        MountHook.prototype.componentWillUnmount = function () { 
            var callback = this.props.willUnmount; 
            callback && callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl })); 
        }; 
        return MountHook; 
    }(BaseComponent)); 
    function buildClassNameNormalizer() { 
        var currentGenerator; 
        var currentHookProps; 
        var currentClassNames = []; 
        return function (generator, hookProps) { 
            if (!currentHookProps || !isPropsEqual(currentHookProps, hookProps) || generator !== currentGenerator) { 
                currentGenerator = generator; 
                currentHookProps = hookProps; 
                currentClassNames = normalizeClassNames(generator, hookProps); 
            } 
            return currentClassNames; 
        }; 
    } 
    function normalizeClassNames(classNames, hookProps) { 
        if (typeof classNames === 'function') { 
            classNames = classNames(hookProps); 
        } 
        return parseClassNames(classNames); 
    } 
    function normalizeContent(input, hookProps) { 
        if (typeof input === 'function') { 
            return input(hookProps, createElement); // give the function the vdom-creation func 
        } 
        else { 
            return input; 
        } 
    } 
 
    var ViewRoot = /** @class */ (function (_super) { 
        __extends(ViewRoot, _super); 
        function ViewRoot() { 
            var _this = _super !== null && _super.apply(this, arguments) || this; 
            _this.normalizeClassNames = buildClassNameNormalizer(); 
            return _this; 
        } 
        ViewRoot.prototype.render = function () { 
            var _a = this, props = _a.props, context = _a.context; 
            var options = context.options; 
            var hookProps = { view: context.viewApi }; 
            var customClassNames = this.normalizeClassNames(options.viewClassNames, hookProps); 
            return (createElement(MountHook, { hookProps: hookProps, didMount: options.viewDidMount, willUnmount: options.viewWillUnmount, elRef: props.elRef }, function (rootElRef) { return props.children(rootElRef, ["fc-" + props.viewSpec.type + "-view", 'fc-view'].concat(customClassNames)); })); 
        }; 
        return ViewRoot; 
    }(BaseComponent)); 
 
    function parseViewConfigs(inputs) { 
        return mapHash(inputs, parseViewConfig); 
    } 
    function parseViewConfig(input) { 
        var rawOptions = typeof input === 'function' ? 
            { component: input } : 
            input; 
        var component = rawOptions.component; 
        if (rawOptions.content) { 
            component = createViewHookComponent(rawOptions); 
            // TODO: remove content/classNames/didMount/etc from options? 
        } 
        return { 
            superType: rawOptions.type, 
            component: component, 
            rawOptions: rawOptions // includes type and component too :( 
        }; 
    } 
    function createViewHookComponent(options) { 
        return function (viewProps) { 
            return (createElement(ViewContextType.Consumer, null, function (context) { return (createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, viewClassNames) { 
                var hookProps = __assign(__assign({}, viewProps), { nextDayThreshold: context.options.nextDayThreshold }); 
                return (createElement(RenderHook, { hookProps: hookProps, classNames: options.classNames, content: options.content, didMount: options.didMount, willUnmount: options.willUnmount, elRef: rootElRef }, function (rootElRef, customClassNames, innerElRef, innerContent) { return (createElement("div", { className: viewClassNames.concat(customClassNames).join(' '), ref: rootElRef }, innerContent)); })); 
            })); })); 
        }; 
    } 
 
    function buildViewSpecs(defaultInputs, optionOverrides, dynamicOptionOverrides, localeDefaults) { 
        var defaultConfigs = parseViewConfigs(defaultInputs); 
        var overrideConfigs = parseViewConfigs(optionOverrides.views); 
        var viewDefs = compileViewDefs(defaultConfigs, overrideConfigs); 
        return mapHash(viewDefs, function (viewDef) { 
            return buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults); 
        }); 
    } 
    function buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults) { 
        var durationInput = viewDef.overrides.duration || 
            viewDef.defaults.duration || 
            dynamicOptionOverrides.duration || 
            optionOverrides.duration; 
        var duration = null; 
        var durationUnit = ''; 
        var singleUnit = ''; 
        var singleUnitOverrides = {}; 
        if (durationInput) { 
            duration = createDurationCached(durationInput); 
            if (duration) { // valid? 
                var denom = greatestDurationDenominator(duration); 
                durationUnit = denom.unit; 
                if (denom.value === 1) { 
                    singleUnit = durationUnit; 
                    singleUnitOverrides = overrideConfigs[durationUnit] ? overrideConfigs[durationUnit].rawOptions : {}; 
                } 
            } 
        } 
        var queryButtonText = function (optionsSubset) { 
            var buttonTextMap = optionsSubset.buttonText || {}; 
            var buttonTextKey = viewDef.defaults.buttonTextKey; 
            if (buttonTextKey != null && buttonTextMap[buttonTextKey] != null) { 
                return buttonTextMap[buttonTextKey]; 
            } 
            if (buttonTextMap[viewDef.type] != null) { 
                return buttonTextMap[viewDef.type]; 
            } 
            if (buttonTextMap[singleUnit] != null) { 
                return buttonTextMap[singleUnit]; 
            } 
        }; 
        return { 
            type: viewDef.type, 
            component: viewDef.component, 
            duration: duration, 
            durationUnit: durationUnit, 
            singleUnit: singleUnit, 
            optionDefaults: viewDef.defaults, 
            optionOverrides: __assign(__assign({}, singleUnitOverrides), viewDef.overrides), 
            buttonTextOverride: queryButtonText(dynamicOptionOverrides) || 
                queryButtonText(optionOverrides) || // constructor-specified buttonText lookup hash takes precedence 
                viewDef.overrides.buttonText, 
            buttonTextDefault: queryButtonText(localeDefaults) || 
                viewDef.defaults.buttonText || 
                queryButtonText(BASE_OPTION_DEFAULTS) || 
                viewDef.type // fall back to given view name 
        }; 
    } 
    // hack to get memoization working 
    var durationInputMap = {}; 
    function createDurationCached(durationInput) { 
        var json = JSON.stringify(durationInput); 
        var res = durationInputMap[json]; 
        if (res === undefined) { 
            res = createDuration(durationInput); 
            durationInputMap[json] = res; 
        } 
        return res; 
    } 
 
    var DateProfileGenerator = /** @class */ (function () { 
        function DateProfileGenerator(props) { 
            this.props = props; 
            this.nowDate = getNow(props.nowInput, props.dateEnv); 
            this.initHiddenDays(); 
        } 
        /* Date Range Computation 
        ------------------------------------------------------------------------------------------------------------------*/ 
        // Builds a structure with info about what the dates/ranges will be for the "prev" view. 
        DateProfileGenerator.prototype.buildPrev = function (currentDateProfile, currentDate, forceToValid) { 
            var dateEnv = this.props.dateEnv; 
            var prevDate = dateEnv.subtract(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month 
            currentDateProfile.dateIncrement); 
            return this.build(prevDate, -1, forceToValid); 
        }; 
        // Builds a structure with info about what the dates/ranges will be for the "next" view. 
        DateProfileGenerator.prototype.buildNext = function (currentDateProfile, currentDate, forceToValid) { 
            var dateEnv = this.props.dateEnv; 
            var nextDate = dateEnv.add(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month 
            currentDateProfile.dateIncrement); 
            return this.build(nextDate, 1, forceToValid); 
        }; 
        // Builds a structure holding dates/ranges for rendering around the given date. 
        // Optional direction param indicates whether the date is being incremented/decremented 
        // from its previous value. decremented = -1, incremented = 1 (default). 
        DateProfileGenerator.prototype.build = function (currentDate, direction, forceToValid) { 
            if (forceToValid === void 0) { forceToValid = true; } 
            var props = this.props; 
            var validRange; 
            var currentInfo; 
            var isRangeAllDay; 
            var renderRange; 
            var activeRange; 
            var isValid; 
            validRange = this.buildValidRange(); 
            validRange = this.trimHiddenDays(validRange); 
            if (forceToValid) { 
                currentDate = constrainMarkerToRange(currentDate, validRange); 
            } 
            currentInfo = this.buildCurrentRangeInfo(currentDate, direction); 
            isRangeAllDay = /^(year|month|week|day)$/.test(currentInfo.unit); 
            renderRange = this.buildRenderRange(this.trimHiddenDays(currentInfo.range), currentInfo.unit, isRangeAllDay); 
            renderRange = this.trimHiddenDays(renderRange); 
            activeRange = renderRange; 
            if (!props.showNonCurrentDates) { 
                activeRange = intersectRanges(activeRange, currentInfo.range); 
            } 
            activeRange = this.adjustActiveRange(activeRange); 
            activeRange = intersectRanges(activeRange, validRange); // might return null 
            // it's invalid if the originally requested date is not contained, 
            // or if the range is completely outside of the valid range. 
            isValid = rangesIntersect(currentInfo.range, validRange); 
            return { 
                // constraint for where prev/next operations can go and where events can be dragged/resized to. 
                // an object with optional start and end properties. 
                validRange: validRange, 
                // range the view is formally responsible for. 
                // for example, a month view might have 1st-31st, excluding padded dates 
                currentRange: currentInfo.range, 
                // name of largest unit being displayed, like "month" or "week" 
                currentRangeUnit: currentInfo.unit, 
                isRangeAllDay: isRangeAllDay, 
                // dates that display events and accept drag-n-drop 
                // will be `null` if no dates accept events 
                activeRange: activeRange, 
                // date range with a rendered skeleton 
                // includes not-active days that need some sort of DOM 
                renderRange: renderRange, 
                // Duration object that denotes the first visible time of any given day 
                slotMinTime: props.slotMinTime, 
                // Duration object that denotes the exclusive visible end time of any given day 
                slotMaxTime: props.slotMaxTime, 
                isValid: isValid, 
                // how far the current date will move for a prev/next operation 
                dateIncrement: this.buildDateIncrement(currentInfo.duration) 
                // pass a fallback (might be null) ^ 
            }; 
        }; 
        // Builds an object with optional start/end properties. 
        // Indicates the minimum/maximum dates to display. 
        // not responsible for trimming hidden days. 
        DateProfileGenerator.prototype.buildValidRange = function () { 
            var input = this.props.validRangeInput; 
            var simpleInput = typeof input === 'function' 
                ? input.call(this.props.calendarApi, this.nowDate) 
                : input; 
            return this.refineRange(simpleInput) || 
                { start: null, end: null }; // completely open-ended 
        }; 
        // Builds a structure with info about the "current" range, the range that is 
        // highlighted as being the current month for example. 
        // See build() for a description of `direction`. 
        // Guaranteed to have `range` and `unit` properties. `duration` is optional. 
        DateProfileGenerator.prototype.buildCurrentRangeInfo = function (date, direction) { 
            var props = this.props; 
            var duration = null; 
            var unit = null; 
            var range = null; 
            var dayCount; 
            if (props.duration) { 
                duration = props.duration; 
                unit = props.durationUnit; 
                range = this.buildRangeFromDuration(date, direction, duration, unit); 
            } 
            else if ((dayCount = this.props.dayCount)) { 
                unit = 'day'; 
                range = this.buildRangeFromDayCount(date, direction, dayCount); 
            } 
            else if ((range = this.buildCustomVisibleRange(date))) { 
                unit = props.dateEnv.greatestWholeUnit(range.start, range.end).unit; 
            } 
            else { 
                duration = this.getFallbackDuration(); 
                unit = greatestDurationDenominator(duration).unit; 
                range = this.buildRangeFromDuration(date, direction, duration, unit); 
            } 
            return { duration: duration, unit: unit, range: range }; 
        }; 
        DateProfileGenerator.prototype.getFallbackDuration = function () { 
            return createDuration({ day: 1 }); 
        }; 
        // Returns a new activeRange to have time values (un-ambiguate) 
        // slotMinTime or slotMaxTime causes the range to expand. 
        DateProfileGenerator.prototype.adjustActiveRange = function (range) { 
            var _a = this.props, dateEnv = _a.dateEnv, usesMinMaxTime = _a.usesMinMaxTime, slotMinTime = _a.slotMinTime, slotMaxTime = _a.slotMaxTime; 
            var start = range.start; 
            var end = range.end; 
            if (usesMinMaxTime) { 
                // expand active range if slotMinTime is negative (why not when positive?) 
                if (asRoughDays(slotMinTime) < 0) { 
                    start = startOfDay(start); // necessary? 
                    start = dateEnv.add(start, slotMinTime); 
                } 
                // expand active range if slotMaxTime is beyond one day (why not when negative?) 
                if (asRoughDays(slotMaxTime) > 1) { 
                    end = startOfDay(end); // necessary? 
                    end = addDays(end, -1); 
                    end = dateEnv.add(end, slotMaxTime); 
                } 
            } 
            return { start: start, end: end }; 
        }; 
        // Builds the "current" range when it is specified as an explicit duration. 
        // `unit` is the already-computed greatestDurationDenominator unit of duration. 
        DateProfileGenerator.prototype.buildRangeFromDuration = function (date, direction, duration, unit) { 
            var _a = this.props, dateEnv = _a.dateEnv, dateAlignment = _a.dateAlignment; 
            var start; 
            var end; 
            var res; 
            // compute what the alignment should be 
            if (!dateAlignment) { 
                var dateIncrement = this.props.dateIncrement; 
                if (dateIncrement) { 
                    // use the smaller of the two units 
                    if (asRoughMs(dateIncrement) < asRoughMs(duration)) { 
                        dateAlignment = greatestDurationDenominator(dateIncrement).unit; 
                    } 
                    else { 
                        dateAlignment = unit; 
                    } 
                } 
                else { 
                    dateAlignment = unit; 
                } 
            } 
            // if the view displays a single day or smaller 
            if (asRoughDays(duration) <= 1) { 
                if (this.isHiddenDay(start)) { 
                    start = this.skipHiddenDays(start, direction); 
                    start = startOfDay(start); 
                } 
            } 
            function computeRes() { 
                start = dateEnv.startOf(date, dateAlignment); 
                end = dateEnv.add(start, duration); 
                res = { start: start, end: end }; 
            } 
            computeRes(); 
            // if range is completely enveloped by hidden days, go past the hidden days 
            if (!this.trimHiddenDays(res)) { 
                date = this.skipHiddenDays(date, direction); 
                computeRes(); 
            } 
            return res; 
        }; 
        // Builds the "current" range when a dayCount is specified. 
        DateProfileGenerator.prototype.buildRangeFromDayCount = function (date, direction, dayCount) { 
            var _a = this.props, dateEnv = _a.dateEnv, dateAlignment = _a.dateAlignment; 
            var runningCount = 0; 
            var start = date; 
            var end; 
            if (dateAlignment) { 
                start = dateEnv.startOf(start, dateAlignment); 
            } 
            start = startOfDay(start); 
            start = this.skipHiddenDays(start, direction); 
            end = start; 
            do { 
                end = addDays(end, 1); 
                if (!this.isHiddenDay(end)) { 
                    runningCount++; 
                } 
            } while (runningCount < dayCount); 
            return { start: start, end: end }; 
        }; 
        // Builds a normalized range object for the "visible" range, 
        // which is a way to define the currentRange and activeRange at the same time. 
        DateProfileGenerator.prototype.buildCustomVisibleRange = function (date) { 
            var props = this.props; 
            var input = props.visibleRangeInput; 
            var simpleInput = typeof input === 'function' 
                ? input.call(props.calendarApi, props.dateEnv.toDate(date)) 
                : input; 
            var range = this.refineRange(simpleInput); 
            if (range && (range.start == null || range.end == null)) { 
                return null; 
            } 
            return range; 
        }; 
        // Computes the range that will represent the element/cells for *rendering*, 
        // but which may have voided days/times. 
        // not responsible for trimming hidden days. 
        DateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) { 
            return currentRange; 
        }; 
        // Compute the duration value that should be added/substracted to the current date 
        // when a prev/next operation happens. 
        DateProfileGenerator.prototype.buildDateIncrement = function (fallback) { 
            var dateIncrement = this.props.dateIncrement; 
            var customAlignment; 
            if (dateIncrement) { 
                return dateIncrement; 
            } 
            else if ((customAlignment = this.props.dateAlignment)) { 
                return createDuration(1, customAlignment); 
            } 
            else if (fallback) { 
                return fallback; 
            } 
            else { 
                return createDuration({ days: 1 }); 
            } 
        }; 
        DateProfileGenerator.prototype.refineRange = function (rangeInput) { 
            if (rangeInput) { 
                var range = parseRange(rangeInput, this.props.dateEnv); 
                if (range) { 
                    range = computeVisibleDayRange(range); 
                } 
                return range; 
            } 
            return null; 
        }; 
        /* Hidden Days 
        ------------------------------------------------------------------------------------------------------------------*/ 
        // Initializes internal variables related to calculating hidden days-of-week 
        DateProfileGenerator.prototype.initHiddenDays = function () { 
            var hiddenDays = this.props.hiddenDays || []; // array of day-of-week indices that are hidden 
            var isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool) 
            var dayCnt = 0; 
            var i; 
            if (this.props.weekends === false) { 
                hiddenDays.push(0, 6); // 0=sunday, 6=saturday 
            } 
            for (i = 0; i < 7; i++) { 
                if (!(isHiddenDayHash[i] = hiddenDays.indexOf(i) !== -1)) { 
                    dayCnt++; 
                } 
            } 
            if (!dayCnt) { 
                throw new Error('invalid hiddenDays'); // all days were hidden? bad. 
            } 
            this.isHiddenDayHash = isHiddenDayHash; 
        }; 
        // Remove days from the beginning and end of the range that are computed as hidden. 
        // If the whole range is trimmed off, returns null 
        DateProfileGenerator.prototype.trimHiddenDays = function (range) { 
            var start = range.start; 
            var end = range.end; 
            if (start) { 
                start = this.skipHiddenDays(start); 
            } 
            if (end) { 
                end = this.skipHiddenDays(end, -1, true); 
            } 
            if (start == null || end == null || start < end) { 
                return { start: start, end: end }; 
            } 
            return null; 
        }; 
        // Is the current day hidden? 
        // `day` is a day-of-week index (0-6), or a Date (used for UTC) 
        DateProfileGenerator.prototype.isHiddenDay = function (day) { 
            if (day instanceof Date) { 
                day = day.getUTCDay(); 
            } 
            return this.isHiddenDayHash[day]; 
        }; 
        // Incrementing the current day until it is no longer a hidden day, returning a copy. 
        // DOES NOT CONSIDER validRange! 
        // If the initial value of `date` is not a hidden day, don't do anything. 
        // Pass `isExclusive` as `true` if you are dealing with an end date. 
        // `inc` defaults to `1` (increment one day forward each time) 
        DateProfileGenerator.prototype.skipHiddenDays = function (date, inc, isExclusive) { 
            if (inc === void 0) { inc = 1; } 
            if (isExclusive === void 0) { isExclusive = false; } 
            while (this.isHiddenDayHash[(date.getUTCDay() + (isExclusive ? inc : 0) + 7) % 7]) { 
                date = addDays(date, inc); 
            } 
            return date; 
        }; 
        return DateProfileGenerator; 
    }()); 
 
    function reduceViewType(viewType, action) { 
        switch (action.type) { 
            case 'CHANGE_VIEW_TYPE': 
                return viewType = action.viewType; 
        } 
        return viewType; 
    } 
 
    function reduceDynamicOptionOverrides(dynamicOptionOverrides, action) { 
        var _a; 
        switch (action.type) { 
            case 'SET_OPTION': 
                return __assign(__assign({}, dynamicOptionOverrides), (_a = {}, _a[action.optionName] = action.rawOptionValue, _a)); 
            default: 
                return dynamicOptionOverrides; 
        } 
    } 
 
    function reduceDateProfile(currentDateProfile, action, currentDate, dateProfileGenerator) { 
        var dp; 
        switch (action.type) { 
            case 'CHANGE_VIEW_TYPE': 
                return dateProfileGenerator.build(action.dateMarker || currentDate); 
            case 'CHANGE_DATE': 
                if (!currentDateProfile.activeRange || 
                    !rangeContainsMarker(currentDateProfile.currentRange, action.dateMarker) // don't move if date already in view 
                ) { 
                    return dateProfileGenerator.build(action.dateMarker); 
                } 
                break; 
            case 'PREV': 
                dp = dateProfileGenerator.buildPrev(currentDateProfile, currentDate); 
                if (dp.isValid) { 
                    return dp; 
                } 
                break; 
            case 'NEXT': 
                dp = dateProfileGenerator.buildNext(currentDateProfile, currentDate); 
                if (dp.isValid) { 
                    return dp; 
                } 
                break; 
        } 
        return currentDateProfile; 
    } 
 
    function initEventSources(calendarOptions, dateProfile, context) { 
        var activeRange = dateProfile ? dateProfile.activeRange : null; 
        return addSources({}, parseInitialSources(calendarOptions, context), activeRange, context); 
    } 
    function reduceEventSources(eventSources, action, dateProfile, context) { 
        var activeRange = dateProfile ? dateProfile.activeRange : null; // need this check? 
        switch (action.type) { 
            case 'ADD_EVENT_SOURCES': // already parsed 
                return addSources(eventSources, action.sources, activeRange, context); 
            case 'REMOVE_EVENT_SOURCE': 
                return removeSource(eventSources, action.sourceId); 
            case 'PREV': // TODO: how do we track all actions that affect dateProfile :( 
            case 'NEXT': 
            case 'CHANGE_DATE': 
            case 'CHANGE_VIEW_TYPE': 
                if (dateProfile) { 
                    return fetchDirtySources(eventSources, activeRange, context); 
                } 
                else { 
                    return eventSources; 
                } 
            case 'FETCH_EVENT_SOURCES': 
                return fetchSourcesByIds(eventSources, action.sourceIds ? // why no type? 
                    arrayToHash(action.sourceIds) : 
                    excludeStaticSources(eventSources, context), activeRange, context); 
            case 'RECEIVE_EVENTS': 
            case 'RECEIVE_EVENT_ERROR': 
                return receiveResponse(eventSources, action.sourceId, action.fetchId, action.fetchRange); 
            case 'REMOVE_ALL_EVENT_SOURCES': 
                return {}; 
            default: 
                return eventSources; 
        } 
    } 
    function reduceEventSourcesNewTimeZone(eventSources, dateProfile, context) { 
        var activeRange = dateProfile ? dateProfile.activeRange : null; // need this check? 
        return fetchSourcesByIds(eventSources, excludeStaticSources(eventSources, context), activeRange, context); 
    } 
    function computeEventSourceLoadingLevel(eventSources) { 
        var cnt = 0; 
        for (var sourceId in eventSources) { 
            if (eventSources[sourceId].isFetching) { 
                cnt++; 
            } 
        } 
        return cnt; 
    } 
    function addSources(eventSourceHash, sources, fetchRange, context) { 
        var hash = {}; 
        for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { 
            var source = sources_1[_i]; 
            hash[source.sourceId] = source; 
        } 
        if (fetchRange) { 
            hash = fetchDirtySources(hash, fetchRange, context); 
        } 
        return __assign(__assign({}, eventSourceHash), hash); 
    } 
    function removeSource(eventSourceHash, sourceId) { 
        return filterHash(eventSourceHash, function (eventSource) { 
            return eventSource.sourceId !== sourceId; 
        }); 
    } 
    function fetchDirtySources(sourceHash, fetchRange, context) { 
        return fetchSourcesByIds(sourceHash, filterHash(sourceHash, function (eventSource) { 
            return isSourceDirty(eventSource, fetchRange, context); 
        }), fetchRange, context); 
    } 
    function isSourceDirty(eventSource, fetchRange, context) { 
        if (!doesSourceNeedRange(eventSource, context)) { 
            return !eventSource.latestFetchId; 
        } 
        else { 
            return !context.options.lazyFetching || 
                !eventSource.fetchRange || 
                eventSource.isFetching || // always cancel outdated in-progress fetches 
                fetchRange.start < eventSource.fetchRange.start || 
                fetchRange.end > eventSource.fetchRange.end; 
        } 
    } 
    function fetchSourcesByIds(prevSources, sourceIdHash, fetchRange, context) { 
        var nextSources = {}; 
        for (var sourceId in prevSources) { 
            var source = prevSources[sourceId]; 
            if (sourceIdHash[sourceId]) { 
                nextSources[sourceId] = fetchSource(source, fetchRange, context); 
            } 
            else { 
                nextSources[sourceId] = source; 
            } 
        } 
        return nextSources; 
    } 
    function fetchSource(eventSource, fetchRange, context) { 
        var options = context.options, calendarApi = context.calendarApi; 
        var sourceDef = context.pluginHooks.eventSourceDefs[eventSource.sourceDefId]; 
        var fetchId = guid(); 
        sourceDef.fetch({ 
            eventSource: eventSource, 
            range: fetchRange, 
            context: context 
        }, function (res) { 
            var rawEvents = res.rawEvents; 
            if (options.eventSourceSuccess) { 
                rawEvents = options.eventSourceSuccess.call(calendarApi, rawEvents, res.xhr) || rawEvents; 
            } 
            if (eventSource.success) { 
                rawEvents = eventSource.success.call(calendarApi, rawEvents, res.xhr) || rawEvents; 
            } 
            context.dispatch({ 
                type: 'RECEIVE_EVENTS', 
                sourceId: eventSource.sourceId, 
                fetchId: fetchId, 
                fetchRange: fetchRange, 
                rawEvents: rawEvents 
            }); 
        }, function (error) { 
            console.warn(error.message, error); 
            if (options.eventSourceFailure) { 
                options.eventSourceFailure.call(calendarApi, error); 
            } 
            if (eventSource.failure) { 
                eventSource.failure(error); 
            } 
            context.dispatch({ 
                type: 'RECEIVE_EVENT_ERROR', 
                sourceId: eventSource.sourceId, 
                fetchId: fetchId, 
                fetchRange: fetchRange, 
                error: error 
            }); 
        }); 
        return __assign(__assign({}, eventSource), { isFetching: true, latestFetchId: fetchId }); 
    } 
    function receiveResponse(sourceHash, sourceId, fetchId, fetchRange) { 
        var _a; 
        var eventSource = sourceHash[sourceId]; 
        if (eventSource && // not already removed 
            fetchId === eventSource.latestFetchId) { 
            return __assign(__assign({}, sourceHash), (_a = {}, _a[sourceId] = __assign(__assign({}, eventSource), { isFetching: false, fetchRange: fetchRange // also serves as a marker that at least one fetch has completed 
             }), _a)); 
        } 
        return sourceHash; 
    } 
    function excludeStaticSources(eventSources, context) { 
        return filterHash(eventSources, function (eventSource) { 
            return doesSourceNeedRange(eventSource, context); 
        }); 
    } 
    function parseInitialSources(rawOptions, context) { 
        var refiners = buildEventSourceRefiners(context); 
        var rawSources = [].concat(rawOptions.eventSources || []); 
        var sources = []; // parsed 
        if (rawOptions.initialEvents) { 
            rawSources.unshift(rawOptions.initialEvents); 
        } 
        if (rawOptions.events) { 
            rawSources.unshift(rawOptions.events); 
        } 
        for (var _i = 0, rawSources_1 = rawSources; _i < rawSources_1.length; _i++) { 
            var rawSource = rawSources_1[_i]; 
            var source = parseEventSource(rawSource, context, refiners); 
            if (source) { 
                sources.push(source); 
            } 
        } 
        return sources; 
    } 
    function doesSourceNeedRange(eventSource, context) { 
        var defs = context.pluginHooks.eventSourceDefs; 
        return !defs[eventSource.sourceDefId].ignoreRange; 
    } 
 
    function reduceDateSelection(currentSelection, action) { 
        switch (action.type) { 
            case 'UNSELECT_DATES': 
                return null; 
            case 'SELECT_DATES': 
                return action.selection; 
            default: 
                return currentSelection; 
        } 
    } 
 
    function reduceSelectedEvent(currentInstanceId, action) { 
        switch (action.type) { 
            case 'UNSELECT_EVENT': 
                return ''; 
            case 'SELECT_EVENT': 
                return action.eventInstanceId; 
            default: 
                return currentInstanceId; 
        } 
    } 
 
    function reduceEventDrag(currentDrag, action) { 
        var newDrag; 
        switch (action.type) { 
            case 'UNSET_EVENT_DRAG': 
                return null; 
            case 'SET_EVENT_DRAG': 
                newDrag = action.state; 
                return { 
                    affectedEvents: newDrag.affectedEvents, 
                    mutatedEvents: newDrag.mutatedEvents, 
                    isEvent: newDrag.isEvent 
                }; 
            default: 
                return currentDrag; 
        } 
    } 
 
    function reduceEventResize(currentResize, action) { 
        var newResize; 
        switch (action.type) { 
            case 'UNSET_EVENT_RESIZE': 
                return null; 
            case 'SET_EVENT_RESIZE': 
                newResize = action.state; 
                return { 
                    affectedEvents: newResize.affectedEvents, 
                    mutatedEvents: newResize.mutatedEvents, 
                    isEvent: newResize.isEvent 
                }; 
            default: 
                return currentResize; 
        } 
    } 
 
    function parseToolbars(calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) { 
        var viewsWithButtons = []; 
        var headerToolbar = calendarOptions.headerToolbar ? parseToolbar(calendarOptions.headerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) : null; 
        var footerToolbar = calendarOptions.footerToolbar ? parseToolbar(calendarOptions.footerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) : null; 
        return { headerToolbar: headerToolbar, footerToolbar: footerToolbar, viewsWithButtons: viewsWithButtons }; 
    } 
    function parseToolbar(sectionStrHash, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons // dump side effects 
    ) { 
        return mapHash(sectionStrHash, function (sectionStr) { return parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons); }); 
    } 
    /* 
    BAD: querying icons and text here. should be done at render time 
    */ 
    function parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons // dump side effects 
    ) { 
        var isRtl = calendarOptions.direction === 'rtl'; 
        var calendarCustomButtons = calendarOptions.customButtons || {}; 
        var calendarButtonTextOverrides = calendarOptionOverrides.buttonText || {}; 
        var calendarButtonText = calendarOptions.buttonText || {}; 
        var sectionSubstrs = sectionStr ? sectionStr.split(' ') : []; 
        return sectionSubstrs.map(function (buttonGroupStr) { 
            return buttonGroupStr.split(',').map(function (buttonName) { 
                if (buttonName === 'title') { 
                    return { buttonName: buttonName }; 
                } 
                else { 
                    var customButtonProps_1; 
                    var viewSpec = void 0; 
                    var buttonClick = void 0; 
                    var buttonIcon = void 0; // only one of these will be set 
                    var buttonText = void 0; // " 
                    if ((customButtonProps_1 = calendarCustomButtons[buttonName])) { 
                        buttonClick = function (ev) { 
                            if (customButtonProps_1.click) { 
                                customButtonProps_1.click.call(ev.target, ev); // TODO: correct to use `target`? 
                            } 
                        }; 
                        (buttonIcon = theme.getCustomButtonIconClass(customButtonProps_1)) || 
                            (buttonIcon = theme.getIconClass(buttonName, isRtl)) || 
                            (buttonText = customButtonProps_1.text); 
                    } 
                    else if ((viewSpec = viewSpecs[buttonName])) { 
                        viewsWithButtons.push(buttonName); 
                        buttonClick = function () { 
                            calendarApi.changeView(buttonName); 
                        }; 
                        (buttonText = viewSpec.buttonTextOverride) || 
                            (buttonIcon = theme.getIconClass(buttonName, isRtl)) || 
                            (buttonText = viewSpec.buttonTextDefault); 
                    } 
                    else if (calendarApi[buttonName]) { // a calendarApi method 
                        buttonClick = function () { 
                            calendarApi[buttonName](); 
                        }; 
                        (buttonText = calendarButtonTextOverrides[buttonName]) || 
                            (buttonIcon = theme.getIconClass(buttonName, isRtl)) || 
                            (buttonText = calendarButtonText[buttonName]); 
                        //            ^ everything else is considered default 
                    } 
                    return { buttonName: buttonName, buttonClick: buttonClick, buttonIcon: buttonIcon, buttonText: buttonText }; 
                } 
            }); 
        }); 
    } 
 
    var eventSourceDef = { 
        ignoreRange: true, 
        parseMeta: function (refined) { 
            if (Array.isArray(refined.events)) { 
                return refined.events; 
            } 
            return null; 
        }, 
        fetch: function (arg, success) { 
            success({ 
                rawEvents: arg.eventSource.meta 
            }); 
        } 
    }; 
    var arrayEventSourcePlugin = createPlugin({ 
        eventSourceDefs: [eventSourceDef] 
    }); 
 
    var eventSourceDef$1 = { 
        parseMeta: function (refined) { 
            if (typeof refined.events === 'function') { 
                return refined.events; 
            } 
            return null; 
        }, 
        fetch: function (arg, success, failure) { 
            var dateEnv = arg.context.dateEnv; 
            var func = arg.eventSource.meta; 
            unpromisify(func.bind(null, buildRangeApiWithTimeZone(arg.range, dateEnv)), function (rawEvents) { 
                success({ rawEvents: rawEvents }); // needs an object response 
            }, failure // send errorObj directly to failure callback 
            ); 
        } 
    }; 
    var funcEventSourcePlugin = createPlugin({ 
        eventSourceDefs: [eventSourceDef$1] 
    }); 
 
    function requestJson(method, url, params, successCallback, failureCallback) { 
        method = method.toUpperCase(); 
        var body = null; 
        if (method === 'GET') { 
            url = injectQueryStringParams(url, params); 
        } 
        else { 
            body = encodeParams(params); 
        } 
        var xhr = new XMLHttpRequest(); 
        xhr.open(method, url, true); 
        if (method !== 'GET') { 
            xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); 
        } 
        xhr.onload = function () { 
            if (xhr.status >= 200 && xhr.status < 400) { 
                var parsed = false; 
                var res = void 0; 
                try { 
                    res = JSON.parse(xhr.responseText); 
                    parsed = true; 
                } 
                catch (err) { 
                    // will handle parsed=false 
                } 
                if (parsed) { 
                    successCallback(res, xhr); 
                } 
                else { 
                    failureCallback('Failure parsing JSON', xhr); 
                } 
            } 
            else { 
                failureCallback('Request failed', xhr); 
            } 
        }; 
        xhr.onerror = function () { 
            failureCallback('Request failed', xhr); 
        }; 
        xhr.send(body); 
    } 
    function injectQueryStringParams(url, params) { 
        return url + 
            (url.indexOf('?') === -1 ? '?' : '&') + 
            encodeParams(params); 
    } 
    function encodeParams(params) { 
        var parts = []; 
        for (var key in params) { 
            parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(params[key])); 
        } 
        return parts.join('&'); 
    } 
 
    var JSON_FEED_EVENT_SOURCE_REFINERS = { 
        method: String, 
        extraParams: identity, 
        startParam: String, 
        endParam: String, 
        timeZoneParam: String 
    }; 
 
    var eventSourceDef$2 = { 
        parseMeta: function (refined) { 
            if (refined.url) { 
                return { 
                    url: refined.url, 
                    method: (refined.method || 'GET').toUpperCase(), 
                    extraParams: refined.extraParams, 
                    startParam: refined.startParam, 
                    endParam: refined.endParam, 
                    timeZoneParam: refined.timeZoneParam 
                }; 
            } 
            return null; 
        }, 
        fetch: function (arg, success, failure) { 
            var meta = arg.eventSource.meta; 
            var requestParams = buildRequestParams(meta, arg.range, arg.context); 
            requestJson(meta.method, meta.url, requestParams, function (rawEvents, xhr) { 
                success({ rawEvents: rawEvents, xhr: xhr }); 
            }, function (errorMessage, xhr) { 
                failure({ message: errorMessage, xhr: xhr }); 
            }); 
        } 
    }; 
    var jsonFeedEventSourcePlugin = createPlugin({ 
        eventSourceRefiners: JSON_FEED_EVENT_SOURCE_REFINERS, 
        eventSourceDefs: [eventSourceDef$2] 
    }); 
    function buildRequestParams(meta, range, context) { 
        var dateEnv = context.dateEnv, options = context.options; 
        var startParam; 
        var endParam; 
        var timeZoneParam; 
        var customRequestParams; 
        var params = {}; 
        startParam = meta.startParam; 
        if (startParam == null) { 
            startParam = options.startParam; 
        } 
        endParam = meta.endParam; 
        if (endParam == null) { 
            endParam = options.endParam; 
        } 
        timeZoneParam = meta.timeZoneParam; 
        if (timeZoneParam == null) { 
            timeZoneParam = options.timeZoneParam; 
        } 
        // retrieve any outbound GET/POST data from the options 
        if (typeof meta.extraParams === 'function') { 
            // supplied as a function that returns a key/value object 
            customRequestParams = meta.extraParams(); 
        } 
        else { 
            // probably supplied as a straight key/value object 
            customRequestParams = meta.extraParams || {}; 
        } 
        __assign(params, customRequestParams); 
        params[startParam] = dateEnv.formatIso(range.start); 
        params[endParam] = dateEnv.formatIso(range.end); 
        if (dateEnv.timeZone !== 'local') { 
            params[timeZoneParam] = dateEnv.timeZone; 
        } 
        return params; 
    } 
 
    var SIMPLE_RECURRING_REFINERS = { 
        daysOfWeek: identity, 
        startTime: createDuration, 
        endTime: createDuration, 
        duration: createDuration, 
        startRecur: identity, 
        endRecur: identity 
    }; 
 
    var recurring = { 
        parse: function (refined, dateEnv) { 
            if (refined.daysOfWeek || refined.startTime || refined.endTime || refined.startRecur || refined.endRecur) { 
                var recurringData = { 
                    daysOfWeek: refined.daysOfWeek || null, 
                    startTime: refined.startTime || null, 
                    endTime: refined.endTime || null, 
                    startRecur: refined.startRecur ? dateEnv.createMarker(refined.startRecur) : null, 
                    endRecur: refined.endRecur ? dateEnv.createMarker(refined.endRecur) : null 
                }; 
                var duration = void 0; 
                if (refined.duration) { 
                    duration = refined.duration; 
                } 
                if (!duration && refined.startTime && refined.endTime) { 
                    duration = subtractDurations(refined.endTime, refined.startTime); 
                } 
                return { 
                    allDayGuess: Boolean(!refined.startTime && !refined.endTime), 
                    duration: duration, 
                    typeData: recurringData // doesn't need endTime anymore but oh well 
                }; 
            } 
            return null; 
        }, 
        expand: function (typeData, framingRange, dateEnv) { 
            var clippedFramingRange = intersectRanges(framingRange, { start: typeData.startRecur, end: typeData.endRecur }); 
            if (clippedFramingRange) { 
                return expandRanges(typeData.daysOfWeek, typeData.startTime, clippedFramingRange, dateEnv); 
            } 
            else { 
                return []; 
            } 
        } 
    }; 
    var simpleRecurringEventsPlugin = createPlugin({ 
        recurringTypes: [recurring], 
        eventRefiners: SIMPLE_RECURRING_REFINERS 
    }); 
    function expandRanges(daysOfWeek, startTime, framingRange, dateEnv) { 
        var dowHash = daysOfWeek ? arrayToHash(daysOfWeek) : null; 
        var dayMarker = startOfDay(framingRange.start); 
        var endMarker = framingRange.end; 
        var instanceStarts = []; 
        while (dayMarker < endMarker) { 
            var instanceStart  
            // if everyday, or this particular day-of-week 
            = void 0; 
            // if everyday, or this particular day-of-week 
            if (!dowHash || dowHash[dayMarker.getUTCDay()]) { 
                if (startTime) { 
                    instanceStart = dateEnv.add(dayMarker, startTime); 
                } 
                else { 
                    instanceStart = dayMarker; 
                } 
                instanceStarts.push(instanceStart); 
            } 
            dayMarker = addDays(dayMarker, 1); 
        } 
        return instanceStarts; 
    } 
 
    var changeHandlerPlugin = createPlugin({ 
        optionChangeHandlers: { 
            events: function (events, context) { 
                handleEventSources([events], context); 
            }, 
            eventSources: handleEventSources 
        } 
    }); 
    /* 
    BUG: if `event` was supplied, all previously-given `eventSources` will be wiped out 
    */ 
    function handleEventSources(inputs, context) { 
        var unfoundSources = hashValuesToArray(context.getCurrentData().eventSources); 
        var newInputs = []; 
        for (var _i = 0, inputs_1 = inputs; _i < inputs_1.length; _i++) { 
            var input = inputs_1[_i]; 
            var inputFound = false; 
            for (var i = 0; i < unfoundSources.length; i++) { 
                if (unfoundSources[i]._raw === input) { 
                    unfoundSources.splice(i, 1); // delete 
                    inputFound = true; 
                    break; 
                } 
            } 
            if (!inputFound) { 
                newInputs.push(input); 
            } 
        } 
        for (var _a = 0, unfoundSources_1 = unfoundSources; _a < unfoundSources_1.length; _a++) { 
            var unfoundSource = unfoundSources_1[_a]; 
            context.dispatch({ 
                type: 'REMOVE_EVENT_SOURCE', 
                sourceId: unfoundSource.sourceId 
            }); 
        } 
        for (var _b = 0, newInputs_1 = newInputs; _b < newInputs_1.length; _b++) { 
            var newInput = newInputs_1[_b]; 
            context.calendarApi.addEventSource(newInput); 
        } 
    } 
 
    function handleDateProfile(dateProfile, context) { 
        context.emitter.trigger('datesSet', __assign(__assign({}, buildRangeApiWithTimeZone(dateProfile.activeRange, context.dateEnv)), { view: context.viewApi })); 
    } 
 
    function handleEventStore(eventStore, context) { 
        var emitter = context.emitter; 
        if (emitter.hasHandlers('eventsSet')) { 
            emitter.trigger('eventsSet', buildEventApis(eventStore, context)); 
        } 
    } 
 
    /* 
    this array is exposed on the root namespace so that UMD plugins can add to it. 
    see the rollup-bundles script. 
    */ 
    var globalPlugins = [ 
        arrayEventSourcePlugin, 
        funcEventSourcePlugin, 
        jsonFeedEventSourcePlugin, 
        simpleRecurringEventsPlugin, 
        changeHandlerPlugin, 
        createPlugin({ 
            contentTypeHandlers: { 
                html: function () { return injectHtml; }, 
                domNodes: function () { return injectDomNodes; } 
            }, 
            propSetHandlers: { 
                dateProfile: handleDateProfile, 
                eventStore: handleEventStore 
            } 
        }) 
    ]; 
 
    var DelayedRunner = /** @class */ (function () { 
        function DelayedRunner(drainedOption) { 
            this.drainedOption = drainedOption; 
            this.isRunning = false; 
            this.isDirty = false; 
            this.pauseDepths = {}; 
            this.timeoutId = 0; 
        } 
        DelayedRunner.prototype.request = function (delay) { 
            this.isDirty = true; 
            if (!this.isPaused()) { 
                this.clearTimeout(); 
                if (delay == null) { 
                    this.tryDrain(); 
                } 
                else { 
                    this.timeoutId = setTimeout(// NOT OPTIMAL! TODO: look at debounce 
                    this.tryDrain.bind(this), delay); 
                } 
            } 
        }; 
        DelayedRunner.prototype.pause = function (scope) { 
            if (scope === void 0) { scope = ''; } 
            var pauseDepths = this.pauseDepths; 
            pauseDepths[scope] = (pauseDepths[scope] || 0) + 1; 
            this.clearTimeout(); 
        }; 
        DelayedRunner.prototype.resume = function (scope, force) { 
            if (scope === void 0) { scope = ''; } 
            var pauseDepths = this.pauseDepths; 
            if (scope in pauseDepths) { 
                if (force) { 
                    delete pauseDepths[scope]; 
                } 
                else { 
                    var depth = --pauseDepths[scope]; 
                    if (depth <= 0) { 
                        delete pauseDepths[scope]; 
                    } 
                } 
                this.tryDrain(); 
            } 
        }; 
        DelayedRunner.prototype.isPaused = function () { 
            return Object.keys(this.pauseDepths).length; 
        }; 
        DelayedRunner.prototype.tryDrain = function () { 
            if (!this.isRunning && !this.isPaused()) { 
                this.isRunning = true; 
                while (this.isDirty) { 
                    this.isDirty = false; 
                    this.drained(); // might set isDirty to true again 
                } 
                this.isRunning = false; 
            } 
        }; 
        DelayedRunner.prototype.clear = function () { 
            this.clearTimeout(); 
            this.isDirty = false; 
            this.pauseDepths = {}; 
        }; 
        DelayedRunner.prototype.clearTimeout = function () { 
            if (this.timeoutId) { 
                clearTimeout(this.timeoutId); 
                this.timeoutId = 0; 
            } 
        }; 
        DelayedRunner.prototype.drained = function () { 
            if (this.drainedOption) { 
                this.drainedOption(); 
            } 
        }; 
        return DelayedRunner; 
    }()); 
    var TaskRunner = /** @class */ (function () { 
        function TaskRunner(runTaskOption, drainedOption) { 
            this.runTaskOption = runTaskOption; 
            this.drainedOption = drainedOption; 
            this.queue = []; 
            this.delayedRunner = new DelayedRunner(this.drain.bind(this)); 
        } 
        TaskRunner.prototype.request = function (task, delay) { 
            this.queue.push(task); 
            this.delayedRunner.request(delay); 
        }; 
        TaskRunner.prototype.pause = function (scope) { 
            this.delayedRunner.pause(scope); 
        }; 
        TaskRunner.prototype.resume = function (scope, force) { 
            this.delayedRunner.resume(scope, force); 
        }; 
        TaskRunner.prototype.drain = function () { 
            var queue = this.queue; 
            while (queue.length) { 
                var completedTasks = []; 
                var task = void 0; 
                while ((task = queue.shift())) { 
                    this.runTask(task); 
                    completedTasks.push(task); 
                } 
                this.drained(completedTasks); 
            } // keep going, in case new tasks were added in the drained handler 
        }; 
        TaskRunner.prototype.runTask = function (task) { 
            if (this.runTaskOption) { 
                this.runTaskOption(task); 
            } 
        }; 
        TaskRunner.prototype.drained = function (completedTasks) { 
            if (this.drainedOption) { 
                this.drainedOption(completedTasks); 
            } 
        }; 
        return TaskRunner; 
    }()); 
 
    // Computes what the title at the top of the calendarApi should be for this view 
    function buildTitle(dateProfile, viewOptions, dateEnv) { 
        var range; 
        // for views that span a large unit of time, show the proper interval, ignoring stray days before and after 
        if (/^(year|month)$/.test(dateProfile.currentRangeUnit)) { 
            range = dateProfile.currentRange; 
        } 
        else { // for day units or smaller, use the actual day range 
            range = dateProfile.activeRange; 
        } 
        return dateEnv.formatRange(range.start, range.end, createFormatter(viewOptions.titleFormat || buildTitleFormat(dateProfile)), { 
            isEndExclusive: dateProfile.isRangeAllDay, 
            defaultSeparator: viewOptions.titleRangeSeparator 
        }); 
    } 
    // Generates the format string that should be used to generate the title for the current date range. 
    // Attempts to compute the most appropriate format if not explicitly specified with `titleFormat`. 
    function buildTitleFormat(dateProfile) { 
        var currentRangeUnit = dateProfile.currentRangeUnit; 
        if (currentRangeUnit === 'year') { 
            return { year: 'numeric' }; 
        } 
        else if (currentRangeUnit === 'month') { 
            return { year: 'numeric', month: 'long' }; // like "September 2014" 
        } 
        else { 
            var days = diffWholeDays(dateProfile.currentRange.start, dateProfile.currentRange.end); 
            if (days !== null && days > 1) { 
                // multi-day range. shorter, like "Sep 9 - 10 2014" 
                return { year: 'numeric', month: 'short', day: 'numeric' }; 
            } 
            else { 
                // one day. longer, like "September 9 2014" 
                return { year: 'numeric', month: 'long', day: 'numeric' }; 
            } 
        } 
    } 
 
    // in future refactor, do the redux-style function(state=initial) for initial-state 
    // also, whatever is happening in constructor, have it happen in action queue too 
    var CalendarDataManager = /** @class */ (function () { 
        function CalendarDataManager(props) { 
            var _this = this; 
            this.computeOptionsData = memoize(this._computeOptionsData); 
            this.computeCurrentViewData = memoize(this._computeCurrentViewData); 
            this.organizeRawLocales = memoize(organizeRawLocales); 
            this.buildLocale = memoize(buildLocale); 
            this.buildPluginHooks = buildBuildPluginHooks(); 
            this.buildDateEnv = memoize(buildDateEnv$1); 
            this.buildTheme = memoize(buildTheme); 
            this.parseToolbars = memoize(parseToolbars); 
            this.buildViewSpecs = memoize(buildViewSpecs); 
            this.buildDateProfileGenerator = memoizeObjArg(buildDateProfileGenerator); 
            this.buildViewApi = memoize(buildViewApi); 
            this.buildViewUiProps = memoizeObjArg(buildViewUiProps); 
            this.buildEventUiBySource = memoize(buildEventUiBySource, isPropsEqual); 
            this.buildEventUiBases = memoize(buildEventUiBases); 
            this.parseContextBusinessHours = memoizeObjArg(parseContextBusinessHours); 
            this.buildTitle = memoize(buildTitle); 
            this.emitter = new Emitter(); 
            this.actionRunner = new TaskRunner(this._handleAction.bind(this), this.updateData.bind(this)); 
            this.currentCalendarOptionsInput = {}; 
            this.currentCalendarOptionsRefined = {}; 
            this.currentViewOptionsInput = {}; 
            this.currentViewOptionsRefined = {}; 
            this.currentCalendarOptionsRefiners = {}; 
            this.getCurrentData = function () { 
                return _this.data; 
            }; 
            this.dispatch = function (action) { 
                _this.actionRunner.request(action); // protects against recursive calls to _handleAction 
            }; 
            this.props = props; 
            this.actionRunner.pause(); 
            var dynamicOptionOverrides = {}; 
            var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi); 
            var currentViewType = optionsData.calendarOptions.initialView || optionsData.pluginHooks.initialView; 
            var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides); 
            // wire things up 
            // TODO: not DRY 
            props.calendarApi.currentDataManager = this; 
            this.emitter.setThisContext(props.calendarApi); 
            this.emitter.setOptions(currentViewData.options); 
            var currentDate = getInitialDate(optionsData.calendarOptions, optionsData.dateEnv); 
            var dateProfile = currentViewData.dateProfileGenerator.build(currentDate); 
            if (!rangeContainsMarker(dateProfile.activeRange, currentDate)) { 
                currentDate = dateProfile.currentRange.start; 
            } 
            var calendarContext = { 
                dateEnv: optionsData.dateEnv, 
                options: optionsData.calendarOptions, 
                pluginHooks: optionsData.pluginHooks, 
                calendarApi: props.calendarApi, 
                dispatch: this.dispatch, 
                emitter: this.emitter, 
                getCurrentData: this.getCurrentData 
            }; 
            // needs to be after setThisContext 
            for (var _i = 0, _a = optionsData.pluginHooks.contextInit; _i < _a.length; _i++) { 
                var callback = _a[_i]; 
                callback(calendarContext); 
            } 
            // NOT DRY 
            var eventSources = initEventSources(optionsData.calendarOptions, dateProfile, calendarContext); 
            var initialState = { 
                dynamicOptionOverrides: dynamicOptionOverrides, 
                currentViewType: currentViewType, 
                currentDate: currentDate, 
                dateProfile: dateProfile, 
                businessHours: this.parseContextBusinessHours(calendarContext), 
                eventSources: eventSources, 
                eventUiBases: {}, 
                loadingLevel: computeEventSourceLoadingLevel(eventSources), 
                eventStore: createEmptyEventStore(), 
                renderableEventStore: createEmptyEventStore(), 
                dateSelection: null, 
                eventSelection: '', 
                eventDrag: null, 
                eventResize: null, 
                selectionConfig: this.buildViewUiProps(calendarContext).selectionConfig 
            }; 
            var contextAndState = __assign(__assign({}, calendarContext), initialState); 
            for (var _b = 0, _c = optionsData.pluginHooks.reducers; _b < _c.length; _b++) { 
                var reducer = _c[_b]; 
                __assign(initialState, reducer(null, null, contextAndState)); 
            } 
            if (initialState.loadingLevel) { 
                this.emitter.trigger('loading', true); // NOT DRY 
            } 
            this.state = initialState; 
            this.updateData(); 
            this.actionRunner.resume(); 
        } 
        CalendarDataManager.prototype.resetOptions = function (optionOverrides, append) { 
            var props = this.props; 
            props.optionOverrides = append 
                ? __assign(__assign({}, props.optionOverrides), optionOverrides) : optionOverrides; 
            this.actionRunner.request({ 
                type: 'NOTHING' 
            }); 
        }; 
        CalendarDataManager.prototype._handleAction = function (action) { 
            var _a = this, props = _a.props, state = _a.state, emitter = _a.emitter; 
            var dynamicOptionOverrides = reduceDynamicOptionOverrides(state.dynamicOptionOverrides, action); 
            var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi); 
            var currentViewType = reduceViewType(state.currentViewType, action); 
            var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides); 
            // wire things up 
            // TODO: not DRY 
            props.calendarApi.currentDataManager = this; 
            emitter.setThisContext(props.calendarApi); 
            emitter.setOptions(currentViewData.options); 
            var calendarContext = { 
                dateEnv: optionsData.dateEnv, 
                options: optionsData.calendarOptions, 
                pluginHooks: optionsData.pluginHooks, 
                calendarApi: props.calendarApi, 
                dispatch: this.dispatch, 
                emitter: emitter, 
                getCurrentData: this.getCurrentData 
            }; 
            var currentDate = state.currentDate; 
            var dateProfile = state.dateProfile; 
            if (this.data && this.data.dateProfileGenerator !== currentViewData.dateProfileGenerator) { // hack 
                dateProfile = currentViewData.dateProfileGenerator.build(currentDate); 
            } 
            currentDate = reduceCurrentDate(currentDate, action); 
            dateProfile = reduceDateProfile(dateProfile, action, currentDate, currentViewData.dateProfileGenerator); 
            if (!rangeContainsMarker(dateProfile.currentRange, currentDate)) { 
                currentDate = dateProfile.currentRange.start; 
            } 
            var eventSources = reduceEventSources(state.eventSources, action, dateProfile, calendarContext); 
            var eventSourceLoadingLevel = computeEventSourceLoadingLevel(eventSources); 
            var eventStore = reduceEventStore(state.eventStore, action, eventSources, dateProfile, calendarContext); 
            var renderableEventStore = (eventSourceLoadingLevel && !currentViewData.options.progressiveEventRendering) ? 
                (state.renderableEventStore || eventStore) : // try from previous state 
                eventStore; 
            var _b = this.buildViewUiProps(calendarContext), eventUiSingleBase = _b.eventUiSingleBase, selectionConfig = _b.selectionConfig; // will memoize obj 
            var eventUiBySource = this.buildEventUiBySource(eventSources); 
            var eventUiBases = this.buildEventUiBases(renderableEventStore.defs, eventUiSingleBase, eventUiBySource); 
            var prevLoadingLevel = state.loadingLevel || 0; 
            var loadingLevel = eventSourceLoadingLevel; 
            var newState = { 
                dynamicOptionOverrides: dynamicOptionOverrides, 
                currentViewType: currentViewType, 
                currentDate: currentDate, 
                dateProfile: dateProfile, 
                eventSources: eventSources, 
                eventStore: eventStore, 
                renderableEventStore: renderableEventStore, 
                selectionConfig: selectionConfig, 
                eventUiBases: eventUiBases, 
                loadingLevel: loadingLevel, 
                businessHours: this.parseContextBusinessHours(calendarContext), 
                dateSelection: reduceDateSelection(state.dateSelection, action), 
                eventSelection: reduceSelectedEvent(state.eventSelection, action), 
                eventDrag: reduceEventDrag(state.eventDrag, action), 
                eventResize: reduceEventResize(state.eventResize, action) 
            }; 
            var contextAndState = __assign(__assign({}, calendarContext), newState); 
            for (var _i = 0, _c = optionsData.pluginHooks.reducers; _i < _c.length; _i++) { 
                var reducer = _c[_i]; 
                __assign(newState, reducer(state, action, contextAndState)); // give the OLD state, for old value 
            } 
            // TODO: use propSetHandlers in plugin system 
            if (!prevLoadingLevel && loadingLevel) { 
                emitter.trigger('loading', true); 
            } 
            else if (prevLoadingLevel && !loadingLevel) { 
                emitter.trigger('loading', false); 
            } 
            this.state = newState; 
            if (props.onAction) { 
                props.onAction(action); 
            } 
        }; 
        CalendarDataManager.prototype.updateData = function () { 
            var _a = this, props = _a.props, state = _a.state; 
            var oldData = this.data; 
            var optionsData = this.computeOptionsData(props.optionOverrides, state.dynamicOptionOverrides, props.calendarApi); 
            var currentViewData = this.computeCurrentViewData(state.currentViewType, optionsData, props.optionOverrides, state.dynamicOptionOverrides); 
            var data = this.data = __assign(__assign(__assign({ viewTitle: this.buildTitle(state.dateProfile, currentViewData.options, optionsData.dateEnv), calendarApi: props.calendarApi, dispatch: this.dispatch, emitter: this.emitter, getCurrentData: this.getCurrentData }, optionsData), currentViewData), state); 
            var changeHandlers = optionsData.pluginHooks.optionChangeHandlers; 
            var oldCalendarOptions = oldData && oldData.calendarOptions; 
            var newCalendarOptions = optionsData.calendarOptions; 
            if (oldCalendarOptions && oldCalendarOptions !== newCalendarOptions) { 
                if (oldCalendarOptions.timeZone !== newCalendarOptions.timeZone) { 
                    // hack 
                    state.eventSources = data.eventSources = reduceEventSourcesNewTimeZone(data.eventSources, state.dateProfile, data); 
                    state.eventStore = data.eventStore = rezoneEventStoreDates(data.eventStore, oldData.dateEnv, data.dateEnv); 
                } 
                for (var optionName in changeHandlers) { 
                    if (oldCalendarOptions[optionName] !== newCalendarOptions[optionName]) { 
                        changeHandlers[optionName](newCalendarOptions[optionName], data); 
                    } 
                } 
            } 
            if (props.onData) { 
                props.onData(data); 
            } 
        }; 
        CalendarDataManager.prototype._computeOptionsData = function (optionOverrides, dynamicOptionOverrides, calendarApi) { 
            // TODO: blacklist options that are handled by optionChangeHandlers 
            var _a = this.processRawCalendarOptions(optionOverrides, dynamicOptionOverrides), refinedOptions = _a.refinedOptions, pluginHooks = _a.pluginHooks, localeDefaults = _a.localeDefaults, availableLocaleData = _a.availableLocaleData, extra = _a.extra; 
            warnUnknownOptions(extra); 
            var dateEnv = this.buildDateEnv(refinedOptions.timeZone, refinedOptions.locale, refinedOptions.weekNumberCalculation, refinedOptions.firstDay, refinedOptions.weekText, pluginHooks, availableLocaleData, refinedOptions.defaultRangeSeparator); 
            var viewSpecs = this.buildViewSpecs(pluginHooks.views, optionOverrides, dynamicOptionOverrides, localeDefaults); 
            var theme = this.buildTheme(refinedOptions, pluginHooks); 
            var toolbarConfig = this.parseToolbars(refinedOptions, optionOverrides, theme, viewSpecs, calendarApi); 
            return { 
                calendarOptions: refinedOptions, 
                pluginHooks: pluginHooks, 
                dateEnv: dateEnv, 
                viewSpecs: viewSpecs, 
                theme: theme, 
                toolbarConfig: toolbarConfig, 
                localeDefaults: localeDefaults, 
                availableRawLocales: availableLocaleData.map 
            }; 
        }; 
        // always called from behind a memoizer 
        CalendarDataManager.prototype.processRawCalendarOptions = function (optionOverrides, dynamicOptionOverrides) { 
            var _a = mergeRawOptions([ 
                BASE_OPTION_DEFAULTS, 
                optionOverrides, 
                dynamicOptionOverrides 
            ]), locales = _a.locales, locale = _a.locale; 
            var availableLocaleData = this.organizeRawLocales(locales); 
            var availableRawLocales = availableLocaleData.map; 
            var localeDefaults = this.buildLocale(locale || availableLocaleData.defaultCode, availableRawLocales).options; 
            var pluginHooks = this.buildPluginHooks(optionOverrides.plugins || [], globalPlugins); 
            var refiners = this.currentCalendarOptionsRefiners = __assign(__assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners); 
            var extra = {}; 
            var raw = mergeRawOptions([ 
                BASE_OPTION_DEFAULTS, 
                localeDefaults, 
                optionOverrides, 
                dynamicOptionOverrides 
            ]); 
            var refined = {}; 
            var currentRaw = this.currentCalendarOptionsInput; 
            var currentRefined = this.currentCalendarOptionsRefined; 
            var anyChanges = false; 
            for (var optionName in raw) { 
                if (optionName !== 'plugins') { // because plugins is special-cased 
                    if (raw[optionName] === currentRaw[optionName] || 
                        (COMPLEX_OPTION_COMPARATORS[optionName] && (optionName in currentRaw) && COMPLEX_OPTION_COMPARATORS[optionName](currentRaw[optionName], raw[optionName]))) { 
                        refined[optionName] = currentRefined[optionName]; 
                    } 
                    else if (refiners[optionName]) { 
                        refined[optionName] = refiners[optionName](raw[optionName]); 
                        anyChanges = true; 
                    } 
                    else { 
                        extra[optionName] = currentRaw[optionName]; 
                    } 
                } 
            } 
            if (anyChanges) { 
                this.currentCalendarOptionsInput = raw; 
                this.currentCalendarOptionsRefined = refined; 
            } 
            return { 
                rawOptions: this.currentCalendarOptionsInput, 
                refinedOptions: this.currentCalendarOptionsRefined, 
                pluginHooks: pluginHooks, 
                availableLocaleData: availableLocaleData, 
                localeDefaults: localeDefaults, 
                extra: extra 
            }; 
        }; 
        CalendarDataManager.prototype._computeCurrentViewData = function (viewType, optionsData, optionOverrides, dynamicOptionOverrides) { 
            var viewSpec = optionsData.viewSpecs[viewType]; 
            if (!viewSpec) { 
                throw new Error("viewType \"" + viewType + "\" is not available. Please make sure you've loaded all neccessary plugins"); 
            } 
            var _a = this.processRawViewOptions(viewSpec, optionsData.pluginHooks, optionsData.localeDefaults, optionOverrides, dynamicOptionOverrides), refinedOptions = _a.refinedOptions, extra = _a.extra; 
            warnUnknownOptions(extra); 
            var dateProfileGenerator = this.buildDateProfileGenerator({ 
                dateProfileGeneratorClass: viewSpec.optionDefaults.dateProfileGeneratorClass, 
                duration: viewSpec.duration, 
                durationUnit: viewSpec.durationUnit, 
                usesMinMaxTime: viewSpec.optionDefaults.usesMinMaxTime, 
                dateEnv: optionsData.dateEnv, 
                calendarApi: this.props.calendarApi, 
                slotMinTime: refinedOptions.slotMinTime, 
                slotMaxTime: refinedOptions.slotMaxTime, 
                showNonCurrentDates: refinedOptions.showNonCurrentDates, 
                dayCount: refinedOptions.dayCount, 
                dateAlignment: refinedOptions.dateAlignment, 
                dateIncrement: refinedOptions.dateIncrement, 
                hiddenDays: refinedOptions.hiddenDays, 
                weekends: refinedOptions.weekends, 
                nowInput: refinedOptions.now, 
                validRangeInput: refinedOptions.validRange, 
                visibleRangeInput: refinedOptions.visibleRange, 
                monthMode: refinedOptions.monthMode, 
                fixedWeekCount: refinedOptions.fixedWeekCount 
            }); 
            var viewApi = this.buildViewApi(viewType, this.getCurrentData, optionsData.dateEnv); 
            return { viewSpec: viewSpec, options: refinedOptions, dateProfileGenerator: dateProfileGenerator, viewApi: viewApi }; 
        }; 
        CalendarDataManager.prototype.processRawViewOptions = function (viewSpec, pluginHooks, localeDefaults, optionOverrides, dynamicOptionOverrides) { 
            var raw = mergeRawOptions([ 
                BASE_OPTION_DEFAULTS, 
                viewSpec.optionDefaults, 
                localeDefaults, 
                optionOverrides, 
                viewSpec.optionOverrides, 
                dynamicOptionOverrides 
            ]); 
            var refiners = __assign(__assign(__assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), VIEW_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners); 
            var refined = {}; 
            var currentRaw = this.currentViewOptionsInput; 
            var currentRefined = this.currentViewOptionsRefined; 
            var anyChanges = false; 
            var extra = {}; 
            for (var optionName in raw) { 
                if (raw[optionName] === currentRaw[optionName]) { 
                    refined[optionName] = currentRefined[optionName]; 
                } 
                else { 
                    if (raw[optionName] === this.currentCalendarOptionsInput[optionName]) { 
                        if (optionName in this.currentCalendarOptionsRefined) { // might be an "extra" prop 
                            refined[optionName] = this.currentCalendarOptionsRefined[optionName]; 
                        } 
                    } 
                    else if (refiners[optionName]) { 
                        refined[optionName] = refiners[optionName](raw[optionName]); 
                    } 
                    else { 
                        extra[optionName] = raw[optionName]; 
                    } 
                    anyChanges = true; 
                } 
            } 
            if (anyChanges) { 
                this.currentViewOptionsInput = raw; 
                this.currentViewOptionsRefined = refined; 
            } 
            return { 
                rawOptions: this.currentViewOptionsInput, 
                refinedOptions: this.currentViewOptionsRefined, 
                extra: extra 
            }; 
        }; 
        return CalendarDataManager; 
    }()); 
    function buildDateEnv$1(timeZone, explicitLocale, weekNumberCalculation, firstDay, weekText, pluginHooks, availableLocaleData, defaultSeparator) { 
        var locale = buildLocale(explicitLocale || availableLocaleData.defaultCode, availableLocaleData.map); 
        return new DateEnv({ 
            calendarSystem: 'gregory', 
            timeZone: timeZone, 
            namedTimeZoneImpl: pluginHooks.namedTimeZonedImpl, 
            locale: locale, 
            weekNumberCalculation: weekNumberCalculation, 
            firstDay: firstDay, 
            weekText: weekText, 
            cmdFormatter: pluginHooks.cmdFormatter, 
            defaultSeparator: defaultSeparator 
        }); 
    } 
    function buildTheme(options, pluginHooks) { 
        var ThemeClass = pluginHooks.themeClasses[options.themeSystem] || StandardTheme; 
        return new ThemeClass(options); 
    } 
    function buildDateProfileGenerator(props) { 
        var DateProfileGeneratorClass = props.dateProfileGeneratorClass || DateProfileGenerator; 
        return new DateProfileGeneratorClass(props); 
    } 
    function buildViewApi(type, getCurrentData, dateEnv) { 
        return new ViewApi(type, getCurrentData, dateEnv); 
    } 
    function buildEventUiBySource(eventSources) { 
        return mapHash(eventSources, function (eventSource) { 
            return eventSource.ui; 
        }); 
    } 
    function buildEventUiBases(eventDefs, eventUiSingleBase, eventUiBySource) { 
        var eventUiBases = { '': eventUiSingleBase }; 
        for (var defId in eventDefs) { 
            var def = eventDefs[defId]; 
            if (def.sourceId && eventUiBySource[def.sourceId]) { 
                eventUiBases[defId] = eventUiBySource[def.sourceId]; 
            } 
        } 
        return eventUiBases; 
    } 
    function buildViewUiProps(calendarContext) { 
        var options = calendarContext.options; 
        return { 
            eventUiSingleBase: createEventUi({ 
                display: options.eventDisplay, 
                editable: options.editable, 
                startEditable: options.eventStartEditable, 
                durationEditable: options.eventDurationEditable, 
                constraint: options.e