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:calendar:

windhamdavid 4 years ago
parent
commit
17c45e379c
9 changed files with 12913 additions and 0 deletions
  1. 309 0
      css/fullcalendar-timegrid.css
  2. 593 0
      css/fullcalendar.css
  3. 22 0
      gulpfile.js
  4. 5 0
      index.html
  5. 1668 0
      js/fullcalendar-daygrid.js
  6. 175 0
      js/fullcalendar-google.js
  7. 1401 0
      js/fullcalendar-timegrid.js
  8. 8740 0
      js/fullcalendar.js
  9. 0 0
      js/moment.min.js

+ 309 - 0
css/fullcalendar-timegrid.css

@@ -0,0 +1,309 @@
+@charset "UTF-8";
+/* TimeGridView all-day area
+--------------------------------------------------------------------------------------------------*/
+.fc-timeGrid-view .fc-day-grid {
+  position: relative;
+  z-index: 2;
+  /* so the "more.." popover will be over the time grid */
+}
+
+.fc-timeGrid-view .fc-day-grid .fc-row {
+  min-height: 3em;
+  /* all-day section will never get shorter than this */
+}
+
+.fc-timeGrid-view .fc-day-grid .fc-row .fc-content-skeleton {
+  padding-bottom: 1em;
+  /* give space underneath events for clicking/selecting days */
+}
+
+/* TimeGrid axis running down the side (for both the all-day area and the slot area)
+--------------------------------------------------------------------------------------------------*/
+.fc .fc-axis {
+  /* .fc to overcome default cell styles */
+  vertical-align: middle;
+  padding: 0 4px;
+  white-space: nowrap;
+}
+
+.fc-ltr .fc-axis {
+  text-align: right;
+}
+
+.fc-rtl .fc-axis {
+  text-align: left;
+}
+
+/* TimeGrid Structure
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid-container,
+.fc-time-grid {
+  /* so slats/bg/content/etc positions get scoped within here */
+  position: relative;
+  z-index: 1;
+}
+
+.fc-time-grid {
+  min-height: 100%;
+  /* so if height setting is 'auto', .fc-bg stretches to fill height */
+}
+
+.fc-time-grid table {
+  /* don't put outer borders on slats/bg/content/etc */
+  border: 0 hidden transparent;
+}
+
+.fc-time-grid > .fc-bg {
+  z-index: 1;
+}
+
+.fc-time-grid .fc-slats,
+.fc-time-grid > hr {
+  /* the <hr> TimeGridView injects when grid is shorter than scroller */
+  position: relative;
+  z-index: 2;
+}
+
+.fc-time-grid .fc-content-col {
+  position: relative;
+  /* because now-indicator lives directly inside */
+}
+
+.fc-time-grid .fc-content-skeleton {
+  position: absolute;
+  z-index: 3;
+  top: 0;
+  left: 0;
+  right: 0;
+}
+
+/* divs within a cell within the fc-content-skeleton */
+.fc-time-grid .fc-business-container {
+  position: relative;
+  z-index: 1;
+}
+
+.fc-time-grid .fc-bgevent-container {
+  position: relative;
+  z-index: 2;
+}
+
+.fc-time-grid .fc-highlight-container {
+  position: relative;
+  z-index: 3;
+}
+
+.fc-time-grid .fc-event-container {
+  position: relative;
+  z-index: 4;
+}
+
+.fc-time-grid .fc-now-indicator-line {
+  z-index: 5;
+}
+
+.fc-time-grid .fc-mirror-container {
+  /* also is fc-event-container */
+  position: relative;
+  z-index: 6;
+}
+
+/* TimeGrid Slats (lines that run horizontally)
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid .fc-slats td {
+  height: 1.5em;
+  border-bottom: 0;
+  /* each cell is responsible for its top border */
+}
+
+.fc-time-grid .fc-slats .fc-minor td {
+  border-top-style: dotted;
+}
+
+/* TimeGrid Highlighting Slots
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid .fc-highlight-container {
+  /* a div within a cell within the fc-highlight-skeleton */
+  position: relative;
+  /* scopes the left/right of the fc-highlight to be in the column */
+}
+
+.fc-time-grid .fc-highlight {
+  position: absolute;
+  left: 0;
+  right: 0;
+  /* top and bottom will be in by JS */
+}
+
+/* TimeGrid Event Containment
+--------------------------------------------------------------------------------------------------*/
+.fc-ltr .fc-time-grid .fc-event-container {
+  /* space on the sides of events for LTR (default) */
+  margin: 0 2.5% 0 2px;
+}
+
+.fc-rtl .fc-time-grid .fc-event-container {
+  /* space on the sides of events for RTL */
+  margin: 0 2px 0 2.5%;
+}
+
+.fc-time-grid .fc-event,
+.fc-time-grid .fc-bgevent {
+  position: absolute;
+  z-index: 1;
+  /* scope inner z-index's */
+}
+
+.fc-time-grid .fc-bgevent {
+  /* background events always span full width */
+  left: 0;
+  right: 0;
+}
+
+/* TimeGrid Event Styling
+----------------------------------------------------------------------------------------------------
+We use the full "fc-time-grid-event" class instead of using descendants because the event won't
+be a descendant of the grid when it is being dragged.
+*/
+.fc-time-grid-event {
+  margin-bottom: 1px;
+}
+
+.fc-time-grid-event-inset {
+  -webkit-box-shadow: 0px 0px 0px 1px #fff;
+  box-shadow: 0px 0px 0px 1px #fff;
+}
+
+.fc-time-grid-event.fc-not-start {
+  /* events that are continuing from another day */
+  /* replace space made by the top border with padding */
+  border-top-width: 0;
+  padding-top: 1px;
+  /* remove top rounded corners */
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}
+
+.fc-time-grid-event.fc-not-end {
+  /* replace space made by the top border with padding */
+  border-bottom-width: 0;
+  padding-bottom: 1px;
+  /* remove bottom rounded corners */
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+.fc-time-grid-event .fc-content {
+  overflow: hidden;
+  max-height: 100%;
+}
+
+.fc-time-grid-event .fc-time,
+.fc-time-grid-event .fc-title {
+  padding: 0 1px;
+}
+
+.fc-time-grid-event .fc-time {
+  font-size: 0.85em;
+  white-space: nowrap;
+}
+
+/* short mode, where time and title are on the same line */
+.fc-time-grid-event.fc-short .fc-content {
+  /* don't wrap to second line (now that contents will be inline) */
+  white-space: nowrap;
+}
+
+.fc-time-grid-event.fc-short .fc-time,
+.fc-time-grid-event.fc-short .fc-title {
+  /* put the time and title on the same line */
+  display: inline-block;
+  vertical-align: top;
+}
+
+.fc-time-grid-event.fc-short .fc-time span {
+  display: none;
+  /* don't display the full time text... */
+}
+
+.fc-time-grid-event.fc-short .fc-time:before {
+  content: attr(data-start);
+  /* ...instead, display only the start time */
+}
+
+.fc-time-grid-event.fc-short .fc-time:after {
+  content: "ย -ย ";
+  /* seperate with a dash, wrapped in nbsp's */
+}
+
+.fc-time-grid-event.fc-short .fc-title {
+  font-size: 0.85em;
+  /* make the title text the same size as the time */
+  padding: 0;
+  /* undo padding from above */
+}
+
+/* resizer (cursor device) */
+.fc-time-grid-event.fc-allow-mouse-resize .fc-resizer {
+  left: 0;
+  right: 0;
+  bottom: 0;
+  height: 8px;
+  overflow: hidden;
+  line-height: 8px;
+  font-size: 11px;
+  font-family: monospace;
+  text-align: center;
+  cursor: s-resize;
+}
+
+.fc-time-grid-event.fc-allow-mouse-resize .fc-resizer:after {
+  content: "=";
+}
+
+/* resizer (touch device) */
+.fc-time-grid-event.fc-selected .fc-resizer {
+  /* 10x10 dot */
+  border-radius: 5px;
+  border-width: 1px;
+  width: 8px;
+  height: 8px;
+  border-style: solid;
+  border-color: inherit;
+  background: #fff;
+  /* horizontally center */
+  left: 50%;
+  margin-left: -5px;
+  /* center on the bottom edge */
+  bottom: -5px;
+}
+
+/* Now Indicator
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid .fc-now-indicator-line {
+  border-top-width: 1px;
+  left: 0;
+  right: 0;
+}
+
+/* arrow on axis */
+.fc-time-grid .fc-now-indicator-arrow {
+  margin-top: -5px;
+  /* vertically center on top coordinate */
+}
+
+.fc-ltr .fc-time-grid .fc-now-indicator-arrow {
+  left: 0;
+  /* triangle pointing right... */
+  border-width: 5px 0 5px 6px;
+  border-top-color: transparent;
+  border-bottom-color: transparent;
+}
+
+.fc-rtl .fc-time-grid .fc-now-indicator-arrow {
+  right: 0;
+  /* triangle pointing left... */
+  border-width: 5px 6px 5px 0;
+  border-top-color: transparent;
+  border-bottom-color: transparent;
+}

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+ 593 - 0
css/fullcalendar.css


+ 22 - 0
gulpfile.js

@@ -13,6 +13,28 @@ gulp.task('copy', async function() {
     .pipe(gulp.dest('./js/'));
   gulp.src('./node_modules/jquery/dist/jquery.min.js')
     .pipe(gulp.dest('./js/'));
+  gulp.src('./node_modules/@fullcalendar/core/main.js')
+    .pipe(rename('fullcalendar.js'))
+    .pipe(gulp.dest('./js/', { overwrite:true } ));
+  gulp.src('./node_modules/@fullcalendar/core/main.css')
+    .pipe(rename('fullcalendar.css'))
+    .pipe(gulp.dest('./css/', { overwrite:true } ));
+  gulp.src('./node_modules/@fullcalendar/google-calendar/main.js')
+    .pipe(rename('fullcalendar-google.js'))
+    .pipe(gulp.dest('./js/', { overwrite:true } ));
+  gulp.src('./node_modules/@fullcalendar/daygrid/main.js')
+    .pipe(rename('fullcalendar-daygrid.js'))
+    .pipe(gulp.dest('./js/', { overwrite:true } ));
+  gulp.src('./node_modules/@fullcalendar/daygrid/main.css')
+    .pipe(rename('fullcalendar-daygrid.css'))
+  gulp.src('./node_modules/@fullcalendar/timegrid/main.js')
+    .pipe(rename('fullcalendar-timegrid.js'))
+    .pipe(gulp.dest('./js/', { overwrite:true } ));
+  gulp.src('./node_modules/@fullcalendar/timegrid/main.css')
+    .pipe(rename('fullcalendar-timegrid.css'))
+    .pipe(gulp.dest('./css/', { overwrite:true } ));
+  gulp.src('./node_modules/moment/min/moment.min.js')
+    .pipe(gulp.dest('./js/'));
   gulp.src('./node_modules/waypoints/lib/noframework.waypoints.js')
     .pipe(rename('waypoints.js'))
     .pipe(gulp.dest('./js/'));

+ 5 - 0
index.html

@@ -145,6 +145,11 @@
 <!-- build:js js/dw.js -->
 <script src="./js/jquery.min.js"></script>
 <script src="./js/bootstrap.js"></script>
+<script src="./js/moment.min.js"></script>
+<script src="./js/fullcalendar.js"></script>
+<script src="./js/fullcalendar-google.js"></script>
+<script src="./js/fullcalendar-daygrid.js"></script>
+<script src="./js/fullcalendar-timegrid.js"></script>
 <script src="./js/waypoints.js"></script>
 <script src="./js/waypoints-inview.js"></script>
 <script src="./js/_init.js"></script>

+ 1668 - 0
js/fullcalendar-daygrid.js

@@ -0,0 +1,1668 @@
+/*!
+FullCalendar Day Grid Plugin v4.4.0
+Docs & License: https://fullcalendar.io/
+(c) 2019 Adam Shaw
+*/
+
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@fullcalendar/core')) :
+    typeof define === 'function' && define.amd ? define(['exports', '@fullcalendar/core'], factory) :
+    (global = global || self, factory(global.FullCalendarDayGrid = {}, global.FullCalendar));
+}(this, function (exports, core) { 'use strict';
+
+    /*! *****************************************************************************
+    Copyright (c) Microsoft Corporation. All rights reserved.
+    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+    this file except in compliance with the License. You may obtain a copy of the
+    License at http://www.apache.org/licenses/LICENSE-2.0
+
+    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+    MERCHANTABLITY OR NON-INFRINGEMENT.
+
+    See the Apache Version 2.0 License for specific language governing permissions
+    and limitations under the License.
+    ***************************************************************************** */
+    /* 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);
+    };
+
+    var DayGridDateProfileGenerator = /** @class */ (function (_super) {
+        __extends(DayGridDateProfileGenerator, _super);
+        function DayGridDateProfileGenerator() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        // Computes the date range that will be rendered.
+        DayGridDateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) {
+            var dateEnv = this.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 = core.addWeeks(endOfWeek, 1);
+                }
+            }
+            // ensure 6 weeks
+            if (this.options.monthMode &&
+                this.options.fixedWeekCount) {
+                var rowCnt = Math.ceil(// could be partial weeks due to hiddenDays
+                core.diffWeeks(start, end));
+                end = core.addWeeks(end, 6 - rowCnt);
+            }
+            return { start: start, end: end };
+        };
+        return DayGridDateProfileGenerator;
+    }(core.DateProfileGenerator));
+
+    /* A rectangular panel that is absolutely positioned over other content
+    ------------------------------------------------------------------------------------------------------------------------
+    Options:
+      - className (string)
+      - content (HTML string, element, or element array)
+      - parentEl
+      - top
+      - left
+      - right (the x coord of where the right edge should be. not a "CSS" right)
+      - autoHide (boolean)
+      - show (callback)
+      - hide (callback)
+    */
+    var Popover = /** @class */ (function () {
+        function Popover(options) {
+            var _this = this;
+            this.isHidden = true;
+            this.margin = 10; // the space required between the popover and the edges of the scroll container
+            // Triggered when the user clicks *anywhere* in the document, for the autoHide feature
+            this.documentMousedown = function (ev) {
+                // only hide the popover if the click happened outside the popover
+                if (_this.el && !_this.el.contains(ev.target)) {
+                    _this.hide();
+                }
+            };
+            this.options = options;
+        }
+        // Shows the popover on the specified position. Renders it if not already
+        Popover.prototype.show = function () {
+            if (this.isHidden) {
+                if (!this.el) {
+                    this.render();
+                }
+                this.el.style.display = '';
+                this.position();
+                this.isHidden = false;
+                this.trigger('show');
+            }
+        };
+        // Hides the popover, through CSS, but does not remove it from the DOM
+        Popover.prototype.hide = function () {
+            if (!this.isHidden) {
+                this.el.style.display = 'none';
+                this.isHidden = true;
+                this.trigger('hide');
+            }
+        };
+        // Creates `this.el` and renders content inside of it
+        Popover.prototype.render = function () {
+            var _this = this;
+            var options = this.options;
+            var el = this.el = core.createElement('div', {
+                className: 'fc-popover ' + (options.className || ''),
+                style: {
+                    top: '0',
+                    left: '0'
+                }
+            });
+            if (typeof options.content === 'function') {
+                options.content(el);
+            }
+            options.parentEl.appendChild(el);
+            // when a click happens on anything inside with a 'fc-close' className, hide the popover
+            core.listenBySelector(el, 'click', '.fc-close', function (ev) {
+                _this.hide();
+            });
+            if (options.autoHide) {
+                document.addEventListener('mousedown', this.documentMousedown);
+            }
+        };
+        // Hides and unregisters any handlers
+        Popover.prototype.destroy = function () {
+            this.hide();
+            if (this.el) {
+                core.removeElement(this.el);
+                this.el = null;
+            }
+            document.removeEventListener('mousedown', this.documentMousedown);
+        };
+        // Positions the popover optimally, using the top/left/right options
+        Popover.prototype.position = function () {
+            var options = this.options;
+            var el = this.el;
+            var elDims = el.getBoundingClientRect(); // only used for width,height
+            var origin = core.computeRect(el.offsetParent);
+            var clippingRect = core.computeClippingRect(options.parentEl);
+            var top; // the "position" (not "offset") values for the popover
+            var left; //
+            // compute top and left
+            top = options.top || 0;
+            if (options.left !== undefined) {
+                left = options.left;
+            }
+            else if (options.right !== undefined) {
+                left = options.right - elDims.width; // derive the left value from the right value
+            }
+            else {
+                left = 0;
+            }
+            // constrain to the view port. if constrained by two edges, give precedence to top/left
+            top = Math.min(top, clippingRect.bottom - elDims.height - this.margin);
+            top = Math.max(top, clippingRect.top + this.margin);
+            left = Math.min(left, clippingRect.right - elDims.width - this.margin);
+            left = Math.max(left, clippingRect.left + this.margin);
+            core.applyStyle(el, {
+                top: top - origin.top,
+                left: left - origin.left
+            });
+        };
+        // Triggers a callback. Calls a function in the option hash of the same name.
+        // Arguments beyond the first `name` are forwarded on.
+        // TODO: better code reuse for this. Repeat code
+        // can kill this???
+        Popover.prototype.trigger = function (name) {
+            if (this.options[name]) {
+                this.options[name].apply(this, Array.prototype.slice.call(arguments, 1));
+            }
+        };
+        return Popover;
+    }());
+
+    /* Event-rendering methods for the DayGrid class
+    ----------------------------------------------------------------------------------------------------------------------*/
+    // "Simple" is bad a name. has nothing to do with SimpleDayGrid
+    var SimpleDayGridEventRenderer = /** @class */ (function (_super) {
+        __extends(SimpleDayGridEventRenderer, _super);
+        function SimpleDayGridEventRenderer() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        // Builds the HTML to be used for the default element for an individual segment
+        SimpleDayGridEventRenderer.prototype.renderSegHtml = function (seg, mirrorInfo) {
+            var context = this.context;
+            var eventRange = seg.eventRange;
+            var eventDef = eventRange.def;
+            var eventUi = eventRange.ui;
+            var allDay = eventDef.allDay;
+            var isDraggable = core.computeEventDraggable(context, eventDef, eventUi);
+            var isResizableFromStart = allDay && seg.isStart && core.computeEventStartResizable(context, eventDef, eventUi);
+            var isResizableFromEnd = allDay && seg.isEnd && core.computeEventEndResizable(context, eventDef, eventUi);
+            var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd, mirrorInfo);
+            var skinCss = core.cssToStr(this.getSkinCss(eventUi));
+            var timeHtml = '';
+            var timeText;
+            var titleHtml;
+            classes.unshift('fc-day-grid-event', 'fc-h-event');
+            // Only display a timed events time if it is the starting segment
+            if (seg.isStart) {
+                timeText = this.getTimeText(eventRange);
+                if (timeText) {
+                    timeHtml = '<span class="fc-time">' + core.htmlEscape(timeText) + '</span>';
+                }
+            }
+            titleHtml =
+                '<span class="fc-title">' +
+                    (core.htmlEscape(eventDef.title || '') || '&nbsp;') + // we always want one line of height
+                    '</span>';
+            return '<a class="' + classes.join(' ') + '"' +
+                (eventDef.url ?
+                    ' href="' + core.htmlEscape(eventDef.url) + '"' :
+                    '') +
+                (skinCss ?
+                    ' style="' + skinCss + '"' :
+                    '') +
+                '>' +
+                '<div class="fc-content">' +
+                (context.options.dir === 'rtl' ?
+                    titleHtml + ' ' + timeHtml : // put a natural space in between
+                    timeHtml + ' ' + titleHtml //
+                ) +
+                '</div>' +
+                (isResizableFromStart ?
+                    '<div class="fc-resizer fc-start-resizer"></div>' :
+                    '') +
+                (isResizableFromEnd ?
+                    '<div class="fc-resizer fc-end-resizer"></div>' :
+                    '') +
+                '</a>';
+        };
+        // Computes a default event time formatting string if `eventTimeFormat` is not explicitly defined
+        SimpleDayGridEventRenderer.prototype.computeEventTimeFormat = function () {
+            return {
+                hour: 'numeric',
+                minute: '2-digit',
+                omitZeroMinute: true,
+                meridiem: 'narrow'
+            };
+        };
+        SimpleDayGridEventRenderer.prototype.computeDisplayEventEnd = function () {
+            return false; // TODO: somehow consider the originating DayGrid's column count
+        };
+        return SimpleDayGridEventRenderer;
+    }(core.FgEventRenderer));
+
+    /* Event-rendering methods for the DayGrid class
+    ----------------------------------------------------------------------------------------------------------------------*/
+    var DayGridEventRenderer = /** @class */ (function (_super) {
+        __extends(DayGridEventRenderer, _super);
+        function DayGridEventRenderer(dayGrid) {
+            var _this = _super.call(this) || this;
+            _this.dayGrid = dayGrid;
+            return _this;
+        }
+        // Renders the given foreground event segments onto the grid
+        DayGridEventRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+            var rowStructs = this.rowStructs = this.renderSegRows(segs);
+            // append to each row's content skeleton
+            this.dayGrid.rowEls.forEach(function (rowNode, i) {
+                rowNode.querySelector('.fc-content-skeleton > table').appendChild(rowStructs[i].tbodyEl);
+            });
+            // removes the "more.." events popover
+            if (!mirrorInfo) {
+                this.dayGrid.removeSegPopover();
+            }
+        };
+        // Unrenders all currently rendered foreground event segments
+        DayGridEventRenderer.prototype.detachSegs = function () {
+            var rowStructs = this.rowStructs || [];
+            var rowStruct;
+            while ((rowStruct = rowStructs.pop())) {
+                core.removeElement(rowStruct.tbodyEl);
+            }
+            this.rowStructs = null;
+        };
+        // Uses the given events array to generate <tbody> elements that should be appended to each row's content skeleton.
+        // Returns an array of rowStruct objects (see the bottom of `renderSegRow`).
+        // PRECONDITION: each segment shoud already have a rendered and assigned `.el`
+        DayGridEventRenderer.prototype.renderSegRows = function (segs) {
+            var rowStructs = [];
+            var segRows;
+            var row;
+            segRows = this.groupSegRows(segs); // group into nested arrays
+            // iterate each row of segment groupings
+            for (row = 0; row < segRows.length; row++) {
+                rowStructs.push(this.renderSegRow(row, segRows[row]));
+            }
+            return rowStructs;
+        };
+        // Given a row # and an array of segments all in the same row, render a <tbody> element, a skeleton that contains
+        // the segments. Returns object with a bunch of internal data about how the render was calculated.
+        // NOTE: modifies rowSegs
+        DayGridEventRenderer.prototype.renderSegRow = function (row, rowSegs) {
+            var isRtl = this.context.isRtl;
+            var dayGrid = this.dayGrid;
+            var colCnt = dayGrid.colCnt;
+            var segLevels = this.buildSegLevels(rowSegs); // group into sub-arrays of levels
+            var levelCnt = Math.max(1, segLevels.length); // ensure at least one level
+            var tbody = document.createElement('tbody');
+            var segMatrix = []; // lookup for which segments are rendered into which level+col cells
+            var cellMatrix = []; // lookup for all <td> elements of the level+col matrix
+            var loneCellMatrix = []; // lookup for <td> elements that only take up a single column
+            var i;
+            var levelSegs;
+            var col;
+            var tr;
+            var j;
+            var seg;
+            var td;
+            // populates empty cells from the current column (`col`) to `endCol`
+            function emptyCellsUntil(endCol) {
+                while (col < endCol) {
+                    // try to grab a cell from the level above and extend its rowspan. otherwise, create a fresh cell
+                    td = (loneCellMatrix[i - 1] || [])[col];
+                    if (td) {
+                        td.rowSpan = (td.rowSpan || 1) + 1;
+                    }
+                    else {
+                        td = document.createElement('td');
+                        tr.appendChild(td);
+                    }
+                    cellMatrix[i][col] = td;
+                    loneCellMatrix[i][col] = td;
+                    col++;
+                }
+            }
+            for (i = 0; i < levelCnt; i++) { // iterate through all levels
+                levelSegs = segLevels[i];
+                col = 0;
+                tr = document.createElement('tr');
+                segMatrix.push([]);
+                cellMatrix.push([]);
+                loneCellMatrix.push([]);
+                // levelCnt might be 1 even though there are no actual levels. protect against this.
+                // this single empty row is useful for styling.
+                if (levelSegs) {
+                    for (j = 0; j < levelSegs.length; j++) { // iterate through segments in level
+                        seg = levelSegs[j];
+                        var leftCol = isRtl ? (colCnt - 1 - seg.lastCol) : seg.firstCol;
+                        var rightCol = isRtl ? (colCnt - 1 - seg.firstCol) : seg.lastCol;
+                        emptyCellsUntil(leftCol);
+                        // create a container that occupies or more columns. append the event element.
+                        td = core.createElement('td', { className: 'fc-event-container' }, seg.el);
+                        if (leftCol !== rightCol) {
+                            td.colSpan = rightCol - leftCol + 1;
+                        }
+                        else { // a single-column segment
+                            loneCellMatrix[i][col] = td;
+                        }
+                        while (col <= rightCol) {
+                            cellMatrix[i][col] = td;
+                            segMatrix[i][col] = seg;
+                            col++;
+                        }
+                        tr.appendChild(td);
+                    }
+                }
+                emptyCellsUntil(colCnt); // finish off the row
+                var introHtml = dayGrid.renderProps.renderIntroHtml();
+                if (introHtml) {
+                    if (isRtl) {
+                        core.appendToElement(tr, introHtml);
+                    }
+                    else {
+                        core.prependToElement(tr, introHtml);
+                    }
+                }
+                tbody.appendChild(tr);
+            }
+            return {
+                row: row,
+                tbodyEl: tbody,
+                cellMatrix: cellMatrix,
+                segMatrix: segMatrix,
+                segLevels: segLevels,
+                segs: rowSegs
+            };
+        };
+        // Stacks a flat array of segments, which are all assumed to be in the same row, into subarrays of vertical levels.
+        // NOTE: modifies segs
+        DayGridEventRenderer.prototype.buildSegLevels = function (segs) {
+            var isRtl = this.context.isRtl;
+            var colCnt = this.dayGrid.colCnt;
+            var levels = [];
+            var i;
+            var seg;
+            var j;
+            // Give preference to elements with certain criteria, so they have
+            // a chance to be closer to the top.
+            segs = this.sortEventSegs(segs);
+            for (i = 0; i < segs.length; i++) {
+                seg = segs[i];
+                // loop through levels, starting with the topmost, until the segment doesn't collide with other segments
+                for (j = 0; j < levels.length; j++) {
+                    if (!isDaySegCollision(seg, levels[j])) {
+                        break;
+                    }
+                }
+                // `j` now holds the desired subrow index
+                seg.level = j;
+                seg.leftCol = isRtl ? (colCnt - 1 - seg.lastCol) : seg.firstCol; // for sorting only
+                seg.rightCol = isRtl ? (colCnt - 1 - seg.firstCol) : seg.lastCol // for sorting only
+                ;
+                (levels[j] || (levels[j] = [])).push(seg);
+            }
+            // order segments left-to-right. very important if calendar is RTL
+            for (j = 0; j < levels.length; j++) {
+                levels[j].sort(compareDaySegCols);
+            }
+            return levels;
+        };
+        // Given a flat array of segments, return an array of sub-arrays, grouped by each segment's row
+        DayGridEventRenderer.prototype.groupSegRows = function (segs) {
+            var segRows = [];
+            var i;
+            for (i = 0; i < this.dayGrid.rowCnt; i++) {
+                segRows.push([]);
+            }
+            for (i = 0; i < segs.length; i++) {
+                segRows[segs[i].row].push(segs[i]);
+            }
+            return segRows;
+        };
+        // Computes a default `displayEventEnd` value if one is not expliclty defined
+        DayGridEventRenderer.prototype.computeDisplayEventEnd = function () {
+            return this.dayGrid.colCnt === 1; // we'll likely have space if there's only one day
+        };
+        return DayGridEventRenderer;
+    }(SimpleDayGridEventRenderer));
+    // Computes whether two segments' columns collide. They are assumed to be in the same row.
+    function isDaySegCollision(seg, otherSegs) {
+        var i;
+        var otherSeg;
+        for (i = 0; i < otherSegs.length; i++) {
+            otherSeg = otherSegs[i];
+            if (otherSeg.firstCol <= seg.lastCol &&
+                otherSeg.lastCol >= seg.firstCol) {
+                return true;
+            }
+        }
+        return false;
+    }
+    // A cmp function for determining the leftmost event
+    function compareDaySegCols(a, b) {
+        return a.leftCol - b.leftCol;
+    }
+
+    var DayGridMirrorRenderer = /** @class */ (function (_super) {
+        __extends(DayGridMirrorRenderer, _super);
+        function DayGridMirrorRenderer() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        DayGridMirrorRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+            var sourceSeg = mirrorInfo.sourceSeg;
+            var rowStructs = this.rowStructs = this.renderSegRows(segs);
+            // inject each new event skeleton into each associated row
+            this.dayGrid.rowEls.forEach(function (rowNode, row) {
+                var skeletonEl = core.htmlToElement('<div class="fc-mirror-skeleton"><table></table></div>'); // will be absolutely positioned
+                var skeletonTopEl;
+                var skeletonTop;
+                // If there is an original segment, match the top position. Otherwise, put it at the row's top level
+                if (sourceSeg && sourceSeg.row === row) {
+                    skeletonTopEl = sourceSeg.el;
+                }
+                else {
+                    skeletonTopEl = rowNode.querySelector('.fc-content-skeleton tbody');
+                    if (!skeletonTopEl) { // when no events
+                        skeletonTopEl = rowNode.querySelector('.fc-content-skeleton table');
+                    }
+                }
+                skeletonTop = skeletonTopEl.getBoundingClientRect().top -
+                    rowNode.getBoundingClientRect().top; // the offsetParent origin
+                skeletonEl.style.top = skeletonTop + 'px';
+                skeletonEl.querySelector('table').appendChild(rowStructs[row].tbodyEl);
+                rowNode.appendChild(skeletonEl);
+            });
+        };
+        return DayGridMirrorRenderer;
+    }(DayGridEventRenderer));
+
+    var EMPTY_CELL_HTML = '<td style="pointer-events:none"></td>';
+    var DayGridFillRenderer = /** @class */ (function (_super) {
+        __extends(DayGridFillRenderer, _super);
+        function DayGridFillRenderer(dayGrid) {
+            var _this = _super.call(this) || this;
+            _this.fillSegTag = 'td'; // override the default tag name
+            _this.dayGrid = dayGrid;
+            return _this;
+        }
+        DayGridFillRenderer.prototype.renderSegs = function (type, context, segs) {
+            // don't render timed background events
+            if (type === 'bgEvent') {
+                segs = segs.filter(function (seg) {
+                    return seg.eventRange.def.allDay;
+                });
+            }
+            _super.prototype.renderSegs.call(this, type, context, segs);
+        };
+        DayGridFillRenderer.prototype.attachSegs = function (type, segs) {
+            var els = [];
+            var i;
+            var seg;
+            var skeletonEl;
+            for (i = 0; i < segs.length; i++) {
+                seg = segs[i];
+                skeletonEl = this.renderFillRow(type, seg);
+                this.dayGrid.rowEls[seg.row].appendChild(skeletonEl);
+                els.push(skeletonEl);
+            }
+            return els;
+        };
+        // Generates the HTML needed for one row of a fill. Requires the seg's el to be rendered.
+        DayGridFillRenderer.prototype.renderFillRow = function (type, seg) {
+            var dayGrid = this.dayGrid;
+            var isRtl = this.context.isRtl;
+            var colCnt = dayGrid.colCnt;
+            var leftCol = isRtl ? (colCnt - 1 - seg.lastCol) : seg.firstCol;
+            var rightCol = isRtl ? (colCnt - 1 - seg.firstCol) : seg.lastCol;
+            var startCol = leftCol;
+            var endCol = rightCol + 1;
+            var className;
+            var skeletonEl;
+            var trEl;
+            if (type === 'businessHours') {
+                className = 'bgevent';
+            }
+            else {
+                className = type.toLowerCase();
+            }
+            skeletonEl = core.htmlToElement('<div class="fc-' + className + '-skeleton">' +
+                '<table><tr></tr></table>' +
+                '</div>');
+            trEl = skeletonEl.getElementsByTagName('tr')[0];
+            if (startCol > 0) {
+                core.appendToElement(trEl, 
+                // will create (startCol + 1) td's
+                new Array(startCol + 1).join(EMPTY_CELL_HTML));
+            }
+            seg.el.colSpan = endCol - startCol;
+            trEl.appendChild(seg.el);
+            if (endCol < colCnt) {
+                core.appendToElement(trEl, 
+                // will create (colCnt - endCol) td's
+                new Array(colCnt - endCol + 1).join(EMPTY_CELL_HTML));
+            }
+            var introHtml = dayGrid.renderProps.renderIntroHtml();
+            if (introHtml) {
+                if (isRtl) {
+                    core.appendToElement(trEl, introHtml);
+                }
+                else {
+                    core.prependToElement(trEl, introHtml);
+                }
+            }
+            return skeletonEl;
+        };
+        return DayGridFillRenderer;
+    }(core.FillRenderer));
+
+    var DayTile = /** @class */ (function (_super) {
+        __extends(DayTile, _super);
+        function DayTile(el) {
+            var _this = _super.call(this, el) || this;
+            var eventRenderer = _this.eventRenderer = new DayTileEventRenderer(_this);
+            var renderFrame = _this.renderFrame = core.memoizeRendering(_this._renderFrame);
+            _this.renderFgEvents = core.memoizeRendering(eventRenderer.renderSegs.bind(eventRenderer), eventRenderer.unrender.bind(eventRenderer), [renderFrame]);
+            _this.renderEventSelection = core.memoizeRendering(eventRenderer.selectByInstanceId.bind(eventRenderer), eventRenderer.unselectByInstanceId.bind(eventRenderer), [_this.renderFgEvents]);
+            _this.renderEventDrag = core.memoizeRendering(eventRenderer.hideByHash.bind(eventRenderer), eventRenderer.showByHash.bind(eventRenderer), [renderFrame]);
+            _this.renderEventResize = core.memoizeRendering(eventRenderer.hideByHash.bind(eventRenderer), eventRenderer.showByHash.bind(eventRenderer), [renderFrame]);
+            return _this;
+        }
+        DayTile.prototype.firstContext = function (context) {
+            context.calendar.registerInteractiveComponent(this, {
+                el: this.el,
+                useEventCenter: false
+            });
+        };
+        DayTile.prototype.render = function (props, context) {
+            this.renderFrame(props.date);
+            this.renderFgEvents(context, props.fgSegs);
+            this.renderEventSelection(props.eventSelection);
+            this.renderEventDrag(props.eventDragInstances);
+            this.renderEventResize(props.eventResizeInstances);
+        };
+        DayTile.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.renderFrame.unrender(); // should unrender everything else
+            this.context.calendar.unregisterInteractiveComponent(this);
+        };
+        DayTile.prototype._renderFrame = function (date) {
+            var _a = this.context, theme = _a.theme, dateEnv = _a.dateEnv, options = _a.options;
+            var title = dateEnv.format(date, core.createFormatter(options.dayPopoverFormat) // TODO: cache
+            );
+            this.el.innerHTML =
+                '<div class="fc-header ' + theme.getClass('popoverHeader') + '">' +
+                    '<span class="fc-title">' +
+                    core.htmlEscape(title) +
+                    '</span>' +
+                    '<span class="fc-close ' + theme.getIconClass('close') + '"></span>' +
+                    '</div>' +
+                    '<div class="fc-body ' + theme.getClass('popoverContent') + '">' +
+                    '<div class="fc-event-container"></div>' +
+                    '</div>';
+            this.segContainerEl = this.el.querySelector('.fc-event-container');
+        };
+        DayTile.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) {
+            var date = this.props.date; // HACK
+            if (positionLeft < elWidth && positionTop < elHeight) {
+                return {
+                    component: this,
+                    dateSpan: {
+                        allDay: true,
+                        range: { start: date, end: core.addDays(date, 1) }
+                    },
+                    dayEl: this.el,
+                    rect: {
+                        left: 0,
+                        top: 0,
+                        right: elWidth,
+                        bottom: elHeight
+                    },
+                    layer: 1
+                };
+            }
+        };
+        return DayTile;
+    }(core.DateComponent));
+    var DayTileEventRenderer = /** @class */ (function (_super) {
+        __extends(DayTileEventRenderer, _super);
+        function DayTileEventRenderer(dayTile) {
+            var _this = _super.call(this) || this;
+            _this.dayTile = dayTile;
+            return _this;
+        }
+        DayTileEventRenderer.prototype.attachSegs = function (segs) {
+            for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
+                var seg = segs_1[_i];
+                this.dayTile.segContainerEl.appendChild(seg.el);
+            }
+        };
+        DayTileEventRenderer.prototype.detachSegs = function (segs) {
+            for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
+                var seg = segs_2[_i];
+                core.removeElement(seg.el);
+            }
+        };
+        return DayTileEventRenderer;
+    }(SimpleDayGridEventRenderer));
+
+    var DayBgRow = /** @class */ (function () {
+        function DayBgRow(context) {
+            this.context = context;
+        }
+        DayBgRow.prototype.renderHtml = function (props) {
+            var parts = [];
+            if (props.renderIntroHtml) {
+                parts.push(props.renderIntroHtml());
+            }
+            for (var _i = 0, _a = props.cells; _i < _a.length; _i++) {
+                var cell = _a[_i];
+                parts.push(renderCellHtml(cell.date, props.dateProfile, this.context, cell.htmlAttrs));
+            }
+            if (!props.cells.length) {
+                parts.push('<td class="fc-day ' + this.context.theme.getClass('widgetContent') + '"></td>');
+            }
+            if (this.context.options.dir === 'rtl') {
+                parts.reverse();
+            }
+            return '<tr>' + parts.join('') + '</tr>';
+        };
+        return DayBgRow;
+    }());
+    function renderCellHtml(date, dateProfile, context, otherAttrs) {
+        var dateEnv = context.dateEnv, theme = context.theme;
+        var isDateValid = core.rangeContainsMarker(dateProfile.activeRange, date); // TODO: called too frequently. cache somehow.
+        var classes = core.getDayClasses(date, dateProfile, context);
+        classes.unshift('fc-day', theme.getClass('widgetContent'));
+        return '<td class="' + classes.join(' ') + '"' +
+            (isDateValid ?
+                ' data-date="' + dateEnv.formatIso(date, { omitTime: true }) + '"' :
+                '') +
+            (otherAttrs ?
+                ' ' + otherAttrs :
+                '') +
+            '></td>';
+    }
+
+    var DAY_NUM_FORMAT = core.createFormatter({ day: 'numeric' });
+    var WEEK_NUM_FORMAT = core.createFormatter({ week: 'numeric' });
+    var DayGrid = /** @class */ (function (_super) {
+        __extends(DayGrid, _super);
+        function DayGrid(el, renderProps) {
+            var _this = _super.call(this, el) || this;
+            _this.bottomCoordPadding = 0; // hack for extending the hit area for the last row of the coordinate grid
+            _this.isCellSizesDirty = false;
+            _this.renderProps = renderProps;
+            var eventRenderer = _this.eventRenderer = new DayGridEventRenderer(_this);
+            var fillRenderer = _this.fillRenderer = new DayGridFillRenderer(_this);
+            _this.mirrorRenderer = new DayGridMirrorRenderer(_this);
+            var renderCells = _this.renderCells = core.memoizeRendering(_this._renderCells, _this._unrenderCells);
+            _this.renderBusinessHours = core.memoizeRendering(fillRenderer.renderSegs.bind(fillRenderer, 'businessHours'), fillRenderer.unrender.bind(fillRenderer, 'businessHours'), [renderCells]);
+            _this.renderDateSelection = core.memoizeRendering(fillRenderer.renderSegs.bind(fillRenderer, 'highlight'), fillRenderer.unrender.bind(fillRenderer, 'highlight'), [renderCells]);
+            _this.renderBgEvents = core.memoizeRendering(fillRenderer.renderSegs.bind(fillRenderer, 'bgEvent'), fillRenderer.unrender.bind(fillRenderer, 'bgEvent'), [renderCells]);
+            _this.renderFgEvents = core.memoizeRendering(eventRenderer.renderSegs.bind(eventRenderer), eventRenderer.unrender.bind(eventRenderer), [renderCells]);
+            _this.renderEventSelection = core.memoizeRendering(eventRenderer.selectByInstanceId.bind(eventRenderer), eventRenderer.unselectByInstanceId.bind(eventRenderer), [_this.renderFgEvents]);
+            _this.renderEventDrag = core.memoizeRendering(_this._renderEventDrag, _this._unrenderEventDrag, [renderCells]);
+            _this.renderEventResize = core.memoizeRendering(_this._renderEventResize, _this._unrenderEventResize, [renderCells]);
+            return _this;
+        }
+        DayGrid.prototype.render = function (props, context) {
+            var cells = props.cells;
+            this.rowCnt = cells.length;
+            this.colCnt = cells[0].length;
+            this.renderCells(cells, props.isRigid);
+            this.renderBusinessHours(context, props.businessHourSegs);
+            this.renderDateSelection(context, props.dateSelectionSegs);
+            this.renderBgEvents(context, props.bgEventSegs);
+            this.renderFgEvents(context, props.fgEventSegs);
+            this.renderEventSelection(props.eventSelection);
+            this.renderEventDrag(props.eventDrag);
+            this.renderEventResize(props.eventResize);
+            if (this.segPopoverTile) {
+                this.updateSegPopoverTile();
+            }
+        };
+        DayGrid.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.renderCells.unrender(); // will unrender everything else
+        };
+        DayGrid.prototype.getCellRange = function (row, col) {
+            var start = this.props.cells[row][col].date;
+            var end = core.addDays(start, 1);
+            return { start: start, end: end };
+        };
+        DayGrid.prototype.updateSegPopoverTile = function (date, segs) {
+            var ownProps = this.props;
+            this.segPopoverTile.receiveProps({
+                date: date || this.segPopoverTile.props.date,
+                fgSegs: segs || this.segPopoverTile.props.fgSegs,
+                eventSelection: ownProps.eventSelection,
+                eventDragInstances: ownProps.eventDrag ? ownProps.eventDrag.affectedInstances : null,
+                eventResizeInstances: ownProps.eventResize ? ownProps.eventResize.affectedInstances : null
+            }, this.context);
+        };
+        /* Date Rendering
+        ------------------------------------------------------------------------------------------------------------------*/
+        DayGrid.prototype._renderCells = function (cells, isRigid) {
+            var _a = this.context, calendar = _a.calendar, view = _a.view, isRtl = _a.isRtl, dateEnv = _a.dateEnv;
+            var _b = this, rowCnt = _b.rowCnt, colCnt = _b.colCnt;
+            var html = '';
+            var row;
+            var col;
+            for (row = 0; row < rowCnt; row++) {
+                html += this.renderDayRowHtml(row, isRigid);
+            }
+            this.el.innerHTML = html;
+            this.rowEls = core.findElements(this.el, '.fc-row');
+            this.cellEls = core.findElements(this.el, '.fc-day, .fc-disabled-day');
+            if (isRtl) {
+                this.cellEls.reverse();
+            }
+            this.rowPositions = new core.PositionCache(this.el, this.rowEls, false, true // vertical
+            );
+            this.colPositions = new core.PositionCache(this.el, this.cellEls.slice(0, colCnt), // only the first row
+            true, false // horizontal
+            );
+            // trigger dayRender with each cell's element
+            for (row = 0; row < rowCnt; row++) {
+                for (col = 0; col < colCnt; col++) {
+                    calendar.publiclyTrigger('dayRender', [
+                        {
+                            date: dateEnv.toDate(cells[row][col].date),
+                            el: this.getCellEl(row, col),
+                            view: view
+                        }
+                    ]);
+                }
+            }
+            this.isCellSizesDirty = true;
+        };
+        DayGrid.prototype._unrenderCells = function () {
+            this.removeSegPopover();
+        };
+        // Generates the HTML for a single row, which is a div that wraps a table.
+        // `row` is the row number.
+        DayGrid.prototype.renderDayRowHtml = function (row, isRigid) {
+            var theme = this.context.theme;
+            var classes = ['fc-row', 'fc-week', theme.getClass('dayRow')];
+            if (isRigid) {
+                classes.push('fc-rigid');
+            }
+            var bgRow = new DayBgRow(this.context);
+            return '' +
+                '<div class="' + classes.join(' ') + '">' +
+                '<div class="fc-bg">' +
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                bgRow.renderHtml({
+                    cells: this.props.cells[row],
+                    dateProfile: this.props.dateProfile,
+                    renderIntroHtml: this.renderProps.renderBgIntroHtml
+                }) +
+                '</table>' +
+                '</div>' +
+                '<div class="fc-content-skeleton">' +
+                '<table>' +
+                (this.getIsNumbersVisible() ?
+                    '<thead>' +
+                        this.renderNumberTrHtml(row) +
+                        '</thead>' :
+                    '') +
+                '</table>' +
+                '</div>' +
+                '</div>';
+        };
+        DayGrid.prototype.getIsNumbersVisible = function () {
+            return this.getIsDayNumbersVisible() ||
+                this.renderProps.cellWeekNumbersVisible ||
+                this.renderProps.colWeekNumbersVisible;
+        };
+        DayGrid.prototype.getIsDayNumbersVisible = function () {
+            return this.rowCnt > 1;
+        };
+        /* Grid Number Rendering
+        ------------------------------------------------------------------------------------------------------------------*/
+        DayGrid.prototype.renderNumberTrHtml = function (row) {
+            var isRtl = this.context.isRtl;
+            var intro = this.renderProps.renderNumberIntroHtml(row, this);
+            return '' +
+                '<tr>' +
+                (isRtl ? '' : intro) +
+                this.renderNumberCellsHtml(row) +
+                (isRtl ? intro : '') +
+                '</tr>';
+        };
+        DayGrid.prototype.renderNumberCellsHtml = function (row) {
+            var htmls = [];
+            var col;
+            var date;
+            for (col = 0; col < this.colCnt; col++) {
+                date = this.props.cells[row][col].date;
+                htmls.push(this.renderNumberCellHtml(date));
+            }
+            if (this.context.isRtl) {
+                htmls.reverse();
+            }
+            return htmls.join('');
+        };
+        // Generates the HTML for the <td>s of the "number" row in the DayGrid's content skeleton.
+        // The number row will only exist if either day numbers or week numbers are turned on.
+        DayGrid.prototype.renderNumberCellHtml = function (date) {
+            var _a = this.context, dateEnv = _a.dateEnv, options = _a.options;
+            var html = '';
+            var isDateValid = core.rangeContainsMarker(this.props.dateProfile.activeRange, date); // TODO: called too frequently. cache somehow.
+            var isDayNumberVisible = this.getIsDayNumbersVisible() && isDateValid;
+            var classes;
+            var weekCalcFirstDow;
+            if (!isDayNumberVisible && !this.renderProps.cellWeekNumbersVisible) {
+                // no numbers in day cell (week number must be along the side)
+                return '<td></td>'; //  will create an empty space above events :(
+            }
+            classes = core.getDayClasses(date, this.props.dateProfile, this.context);
+            classes.unshift('fc-day-top');
+            if (this.renderProps.cellWeekNumbersVisible) {
+                weekCalcFirstDow = dateEnv.weekDow;
+            }
+            html += '<td class="' + classes.join(' ') + '"' +
+                (isDateValid ?
+                    ' data-date="' + dateEnv.formatIso(date, { omitTime: true }) + '"' :
+                    '') +
+                '>';
+            if (this.renderProps.cellWeekNumbersVisible && (date.getUTCDay() === weekCalcFirstDow)) {
+                html += core.buildGotoAnchorHtml(options, dateEnv, { date: date, type: 'week' }, { 'class': 'fc-week-number' }, dateEnv.format(date, WEEK_NUM_FORMAT) // inner HTML
+                );
+            }
+            if (isDayNumberVisible) {
+                html += core.buildGotoAnchorHtml(options, dateEnv, date, { 'class': 'fc-day-number' }, dateEnv.format(date, DAY_NUM_FORMAT) // inner HTML
+                );
+            }
+            html += '</td>';
+            return html;
+        };
+        /* Sizing
+        ------------------------------------------------------------------------------------------------------------------*/
+        DayGrid.prototype.updateSize = function (isResize) {
+            var calendar = this.context.calendar;
+            var _a = this, fillRenderer = _a.fillRenderer, eventRenderer = _a.eventRenderer, mirrorRenderer = _a.mirrorRenderer;
+            if (isResize ||
+                this.isCellSizesDirty ||
+                calendar.isEventsUpdated // hack
+            ) {
+                this.buildPositionCaches();
+                this.isCellSizesDirty = false;
+            }
+            fillRenderer.computeSizes(isResize);
+            eventRenderer.computeSizes(isResize);
+            mirrorRenderer.computeSizes(isResize);
+            fillRenderer.assignSizes(isResize);
+            eventRenderer.assignSizes(isResize);
+            mirrorRenderer.assignSizes(isResize);
+        };
+        DayGrid.prototype.buildPositionCaches = function () {
+            this.buildColPositions();
+            this.buildRowPositions();
+        };
+        DayGrid.prototype.buildColPositions = function () {
+            this.colPositions.build();
+        };
+        DayGrid.prototype.buildRowPositions = function () {
+            this.rowPositions.build();
+            this.rowPositions.bottoms[this.rowCnt - 1] += this.bottomCoordPadding; // hack
+        };
+        /* Hit System
+        ------------------------------------------------------------------------------------------------------------------*/
+        DayGrid.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]
+                    }
+                };
+            }
+        };
+        /* Cell System
+        ------------------------------------------------------------------------------------------------------------------*/
+        // FYI: the first column is the leftmost column, regardless of date
+        DayGrid.prototype.getCellEl = function (row, col) {
+            return this.cellEls[row * this.colCnt + col];
+        };
+        /* Event Drag Visualization
+        ------------------------------------------------------------------------------------------------------------------*/
+        DayGrid.prototype._renderEventDrag = function (state) {
+            if (state) {
+                this.eventRenderer.hideByHash(state.affectedInstances);
+                this.fillRenderer.renderSegs('highlight', this.context, state.segs);
+            }
+        };
+        DayGrid.prototype._unrenderEventDrag = function (state) {
+            if (state) {
+                this.eventRenderer.showByHash(state.affectedInstances);
+                this.fillRenderer.unrender('highlight', this.context);
+            }
+        };
+        /* Event Resize Visualization
+        ------------------------------------------------------------------------------------------------------------------*/
+        DayGrid.prototype._renderEventResize = function (state) {
+            if (state) {
+                this.eventRenderer.hideByHash(state.affectedInstances);
+                this.fillRenderer.renderSegs('highlight', this.context, state.segs);
+                this.mirrorRenderer.renderSegs(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+            }
+        };
+        DayGrid.prototype._unrenderEventResize = function (state) {
+            if (state) {
+                this.eventRenderer.showByHash(state.affectedInstances);
+                this.fillRenderer.unrender('highlight', this.context);
+                this.mirrorRenderer.unrender(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+            }
+        };
+        /* More+ Link Popover
+        ------------------------------------------------------------------------------------------------------------------*/
+        DayGrid.prototype.removeSegPopover = function () {
+            if (this.segPopover) {
+                this.segPopover.hide(); // in handler, will call segPopover's removeElement
+            }
+        };
+        // Limits the number of "levels" (vertically stacking layers of events) for each row of the grid.
+        // `levelLimit` can be false (don't limit), a number, or true (should be computed).
+        DayGrid.prototype.limitRows = function (levelLimit) {
+            var rowStructs = this.eventRenderer.rowStructs || [];
+            var row; // row #
+            var rowLevelLimit;
+            for (row = 0; row < rowStructs.length; row++) {
+                this.unlimitRow(row);
+                if (!levelLimit) {
+                    rowLevelLimit = false;
+                }
+                else if (typeof levelLimit === 'number') {
+                    rowLevelLimit = levelLimit;
+                }
+                else {
+                    rowLevelLimit = this.computeRowLevelLimit(row);
+                }
+                if (rowLevelLimit !== false) {
+                    this.limitRow(row, rowLevelLimit);
+                }
+            }
+        };
+        // Computes the number of levels a row will accomodate without going outside its bounds.
+        // Assumes the row is "rigid" (maintains a constant height regardless of what is inside).
+        // `row` is the row number.
+        DayGrid.prototype.computeRowLevelLimit = function (row) {
+            var rowEl = this.rowEls[row]; // the containing "fake" row div
+            var rowBottom = rowEl.getBoundingClientRect().bottom; // relative to viewport!
+            var trEls = core.findChildren(this.eventRenderer.rowStructs[row].tbodyEl);
+            var i;
+            var trEl;
+            // Reveal one level <tr> at a time and stop when we find one out of bounds
+            for (i = 0; i < trEls.length; i++) {
+                trEl = trEls[i];
+                trEl.classList.remove('fc-limited'); // reset to original state (reveal)
+                if (trEl.getBoundingClientRect().bottom > rowBottom) {
+                    return i;
+                }
+            }
+            return false; // should not limit at all
+        };
+        // Limits the given grid row to the maximum number of levels and injects "more" links if necessary.
+        // `row` is the row number.
+        // `levelLimit` is a number for the maximum (inclusive) number of levels allowed.
+        DayGrid.prototype.limitRow = function (row, levelLimit) {
+            var _this = this;
+            var colCnt = this.colCnt;
+            var isRtl = this.context.isRtl;
+            var rowStruct = this.eventRenderer.rowStructs[row];
+            var moreNodes = []; // array of "more" <a> links and <td> DOM nodes
+            var col = 0; // col #, left-to-right (not chronologically)
+            var levelSegs; // array of segment objects in the last allowable level, ordered left-to-right
+            var cellMatrix; // a matrix (by level, then column) of all <td> elements in the row
+            var limitedNodes; // array of temporarily hidden level <tr> and segment <td> DOM nodes
+            var i;
+            var seg;
+            var segsBelow; // array of segment objects below `seg` in the current `col`
+            var totalSegsBelow; // total number of segments below `seg` in any of the columns `seg` occupies
+            var colSegsBelow; // array of segment arrays, below seg, one for each column (offset from segs's first column)
+            var td;
+            var rowSpan;
+            var segMoreNodes; // array of "more" <td> cells that will stand-in for the current seg's cell
+            var j;
+            var moreTd;
+            var moreWrap;
+            var moreLink;
+            // Iterates through empty level cells and places "more" links inside if need be
+            var emptyCellsUntil = function (endCol) {
+                while (col < endCol) {
+                    segsBelow = _this.getCellSegs(row, col, levelLimit);
+                    if (segsBelow.length) {
+                        td = cellMatrix[levelLimit - 1][col];
+                        moreLink = _this.renderMoreLink(row, col, segsBelow);
+                        moreWrap = core.createElement('div', null, moreLink);
+                        td.appendChild(moreWrap);
+                        moreNodes.push(moreWrap);
+                    }
+                    col++;
+                }
+            };
+            if (levelLimit && levelLimit < rowStruct.segLevels.length) { // is it actually over the limit?
+                levelSegs = rowStruct.segLevels[levelLimit - 1];
+                cellMatrix = rowStruct.cellMatrix;
+                limitedNodes = core.findChildren(rowStruct.tbodyEl).slice(levelLimit); // get level <tr> elements past the limit
+                limitedNodes.forEach(function (node) {
+                    node.classList.add('fc-limited'); // hide elements and get a simple DOM-nodes array
+                });
+                // iterate though segments in the last allowable level
+                for (i = 0; i < levelSegs.length; i++) {
+                    seg = levelSegs[i];
+                    var leftCol = isRtl ? (colCnt - 1 - seg.lastCol) : seg.firstCol;
+                    var rightCol = isRtl ? (colCnt - 1 - seg.firstCol) : seg.lastCol;
+                    emptyCellsUntil(leftCol); // process empty cells before the segment
+                    // determine *all* segments below `seg` that occupy the same columns
+                    colSegsBelow = [];
+                    totalSegsBelow = 0;
+                    while (col <= rightCol) {
+                        segsBelow = this.getCellSegs(row, col, levelLimit);
+                        colSegsBelow.push(segsBelow);
+                        totalSegsBelow += segsBelow.length;
+                        col++;
+                    }
+                    if (totalSegsBelow) { // do we need to replace this segment with one or many "more" links?
+                        td = cellMatrix[levelLimit - 1][leftCol]; // the segment's parent cell
+                        rowSpan = td.rowSpan || 1;
+                        segMoreNodes = [];
+                        // make a replacement <td> for each column the segment occupies. will be one for each colspan
+                        for (j = 0; j < colSegsBelow.length; j++) {
+                            moreTd = core.createElement('td', { className: 'fc-more-cell', rowSpan: rowSpan });
+                            segsBelow = colSegsBelow[j];
+                            moreLink = this.renderMoreLink(row, leftCol + j, [seg].concat(segsBelow) // count seg as hidden too
+                            );
+                            moreWrap = core.createElement('div', null, moreLink);
+                            moreTd.appendChild(moreWrap);
+                            segMoreNodes.push(moreTd);
+                            moreNodes.push(moreTd);
+                        }
+                        td.classList.add('fc-limited');
+                        core.insertAfterElement(td, segMoreNodes);
+                        limitedNodes.push(td);
+                    }
+                }
+                emptyCellsUntil(this.colCnt); // finish off the level
+                rowStruct.moreEls = moreNodes; // for easy undoing later
+                rowStruct.limitedEls = limitedNodes; // for easy undoing later
+            }
+        };
+        // Reveals all levels and removes all "more"-related elements for a grid's row.
+        // `row` is a row number.
+        DayGrid.prototype.unlimitRow = function (row) {
+            var rowStruct = this.eventRenderer.rowStructs[row];
+            if (rowStruct.moreEls) {
+                rowStruct.moreEls.forEach(core.removeElement);
+                rowStruct.moreEls = null;
+            }
+            if (rowStruct.limitedEls) {
+                rowStruct.limitedEls.forEach(function (limitedEl) {
+                    limitedEl.classList.remove('fc-limited');
+                });
+                rowStruct.limitedEls = null;
+            }
+        };
+        // Renders an <a> element that represents hidden event element for a cell.
+        // Responsible for attaching click handler as well.
+        DayGrid.prototype.renderMoreLink = function (row, col, hiddenSegs) {
+            var _this = this;
+            var _a = this.context, calendar = _a.calendar, view = _a.view, dateEnv = _a.dateEnv, options = _a.options, isRtl = _a.isRtl;
+            var a = core.createElement('a', { className: 'fc-more' });
+            a.innerText = this.getMoreLinkText(hiddenSegs.length);
+            a.addEventListener('click', function (ev) {
+                var clickOption = options.eventLimitClick;
+                var _col = isRtl ? _this.colCnt - col - 1 : col; // HACK: props.cells has different dir system?
+                var date = _this.props.cells[row][_col].date;
+                var moreEl = ev.currentTarget;
+                var dayEl = _this.getCellEl(row, col);
+                var allSegs = _this.getCellSegs(row, col);
+                // rescope the segments to be within the cell's date
+                var reslicedAllSegs = _this.resliceDaySegs(allSegs, date);
+                var reslicedHiddenSegs = _this.resliceDaySegs(hiddenSegs, date);
+                if (typeof clickOption === 'function') {
+                    // the returned value can be an atomic option
+                    clickOption = calendar.publiclyTrigger('eventLimitClick', [
+                        {
+                            date: dateEnv.toDate(date),
+                            allDay: true,
+                            dayEl: dayEl,
+                            moreEl: moreEl,
+                            segs: reslicedAllSegs,
+                            hiddenSegs: reslicedHiddenSegs,
+                            jsEvent: ev,
+                            view: view
+                        }
+                    ]);
+                }
+                if (clickOption === 'popover') {
+                    _this.showSegPopover(row, col, moreEl, reslicedAllSegs);
+                }
+                else if (typeof clickOption === 'string') { // a view name
+                    calendar.zoomTo(date, clickOption);
+                }
+            });
+            return a;
+        };
+        // Reveals the popover that displays all events within a cell
+        DayGrid.prototype.showSegPopover = function (row, col, moreLink, segs) {
+            var _this = this;
+            var _a = this.context, calendar = _a.calendar, view = _a.view, theme = _a.theme, isRtl = _a.isRtl;
+            var _col = isRtl ? this.colCnt - col - 1 : col; // HACK: props.cells has different dir system?
+            var moreWrap = moreLink.parentNode; // the <div> wrapper around the <a>
+            var topEl; // the element we want to match the top coordinate of
+            var options;
+            if (this.rowCnt === 1) {
+                topEl = view.el; // will cause the popover to cover any sort of header
+            }
+            else {
+                topEl = this.rowEls[row]; // will align with top of row
+            }
+            options = {
+                className: 'fc-more-popover ' + theme.getClass('popover'),
+                parentEl: view.el,
+                top: core.computeRect(topEl).top,
+                autoHide: true,
+                content: function (el) {
+                    _this.segPopoverTile = new DayTile(el);
+                    _this.updateSegPopoverTile(_this.props.cells[row][_col].date, segs);
+                },
+                hide: function () {
+                    _this.segPopoverTile.destroy();
+                    _this.segPopoverTile = null;
+                    _this.segPopover.destroy();
+                    _this.segPopover = null;
+                }
+            };
+            // Determine horizontal coordinate.
+            // We use the moreWrap instead of the <td> to avoid border confusion.
+            if (isRtl) {
+                options.right = core.computeRect(moreWrap).right + 1; // +1 to be over cell border
+            }
+            else {
+                options.left = core.computeRect(moreWrap).left - 1; // -1 to be over cell border
+            }
+            this.segPopover = new Popover(options);
+            this.segPopover.show();
+            calendar.releaseAfterSizingTriggers(); // hack for eventPositioned
+        };
+        // Given the events within an array of segment objects, reslice them to be in a single day
+        DayGrid.prototype.resliceDaySegs = function (segs, dayDate) {
+            var dayStart = dayDate;
+            var dayEnd = core.addDays(dayStart, 1);
+            var dayRange = { start: dayStart, end: dayEnd };
+            var newSegs = [];
+            for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
+                var seg = segs_1[_i];
+                var eventRange = seg.eventRange;
+                var origRange = eventRange.range;
+                var slicedRange = core.intersectRanges(origRange, dayRange);
+                if (slicedRange) {
+                    newSegs.push(__assign({}, seg, { eventRange: {
+                            def: eventRange.def,
+                            ui: __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;
+        };
+        // Generates the text that should be inside a "more" link, given the number of events it represents
+        DayGrid.prototype.getMoreLinkText = function (num) {
+            var opt = this.context.options.eventLimitText;
+            if (typeof opt === 'function') {
+                return opt(num);
+            }
+            else {
+                return '+' + num + ' ' + opt;
+            }
+        };
+        // Returns segments within a given cell.
+        // If `startLevel` is specified, returns only events including and below that level. Otherwise returns all segs.
+        DayGrid.prototype.getCellSegs = function (row, col, startLevel) {
+            var segMatrix = this.eventRenderer.rowStructs[row].segMatrix;
+            var level = startLevel || 0;
+            var segs = [];
+            var seg;
+            while (level < segMatrix.length) {
+                seg = segMatrix[level][col];
+                if (seg) {
+                    segs.push(seg);
+                }
+                level++;
+            }
+            return segs;
+        };
+        return DayGrid;
+    }(core.DateComponent));
+
+    var WEEK_NUM_FORMAT$1 = core.createFormatter({ week: 'numeric' });
+    /* 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 DayGrid subcomponent, which does most of the heavy lifting.
+    // It is responsible for managing width/height.
+    var AbstractDayGridView = /** @class */ (function (_super) {
+        __extends(AbstractDayGridView, _super);
+        function AbstractDayGridView() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.processOptions = core.memoize(_this._processOptions);
+            _this.renderSkeleton = core.memoizeRendering(_this._renderSkeleton, _this._unrenderSkeleton);
+            /* Header Rendering
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that will go before the day-of week header cells
+            _this.renderHeadIntroHtml = function () {
+                var _a = _this.context, theme = _a.theme, options = _a.options;
+                if (_this.colWeekNumbersVisible) {
+                    return '' +
+                        '<th class="fc-week-number ' + theme.getClass('widgetHeader') + '" ' + _this.weekNumberStyleAttr() + '>' +
+                        '<span>' + // needed for matchCellWidths
+                        core.htmlEscape(options.weekLabel) +
+                        '</span>' +
+                        '</th>';
+                }
+                return '';
+            };
+            /* Day Grid Rendering
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that will go before content-skeleton cells that display the day/week numbers
+            _this.renderDayGridNumberIntroHtml = function (row, dayGrid) {
+                var _a = _this.context, options = _a.options, dateEnv = _a.dateEnv;
+                var weekStart = dayGrid.props.cells[row][0].date;
+                if (_this.colWeekNumbersVisible) {
+                    return '' +
+                        '<td class="fc-week-number" ' + _this.weekNumberStyleAttr() + '>' +
+                        core.buildGotoAnchorHtml(// aside from link, important for matchCellWidths
+                        options, dateEnv, { date: weekStart, type: 'week', forceOff: dayGrid.colCnt === 1 }, dateEnv.format(weekStart, WEEK_NUM_FORMAT$1) // inner HTML
+                        ) +
+                        '</td>';
+                }
+                return '';
+            };
+            // Generates the HTML that goes before the day bg cells for each day-row
+            _this.renderDayGridBgIntroHtml = function () {
+                var theme = _this.context.theme;
+                if (_this.colWeekNumbersVisible) {
+                    return '<td class="fc-week-number ' + theme.getClass('widgetContent') + '" ' + _this.weekNumberStyleAttr() + '></td>';
+                }
+                return '';
+            };
+            // Generates the HTML that goes before every other type of row generated by DayGrid.
+            // Affects mirror-skeleton and highlight-skeleton rows.
+            _this.renderDayGridIntroHtml = function () {
+                if (_this.colWeekNumbersVisible) {
+                    return '<td class="fc-week-number" ' + _this.weekNumberStyleAttr() + '></td>';
+                }
+                return '';
+            };
+            return _this;
+        }
+        AbstractDayGridView.prototype._processOptions = function (options) {
+            if (options.weekNumbers) {
+                if (options.weekNumbersWithinDays) {
+                    this.cellWeekNumbersVisible = true;
+                    this.colWeekNumbersVisible = false;
+                }
+                else {
+                    this.cellWeekNumbersVisible = false;
+                    this.colWeekNumbersVisible = true;
+                }
+            }
+            else {
+                this.colWeekNumbersVisible = false;
+                this.cellWeekNumbersVisible = false;
+            }
+        };
+        AbstractDayGridView.prototype.render = function (props, context) {
+            _super.prototype.render.call(this, props, context);
+            this.processOptions(context.options);
+            this.renderSkeleton(context);
+        };
+        AbstractDayGridView.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.renderSkeleton.unrender();
+        };
+        AbstractDayGridView.prototype._renderSkeleton = function (context) {
+            this.el.classList.add('fc-dayGrid-view');
+            this.el.innerHTML = this.renderSkeletonHtml();
+            this.scroller = new core.ScrollComponent('hidden', // overflow x
+            'auto' // overflow y
+            );
+            var dayGridContainerEl = this.scroller.el;
+            this.el.querySelector('.fc-body > tr > td').appendChild(dayGridContainerEl);
+            dayGridContainerEl.classList.add('fc-day-grid-container');
+            var dayGridEl = core.createElement('div', { className: 'fc-day-grid' });
+            dayGridContainerEl.appendChild(dayGridEl);
+            this.dayGrid = new DayGrid(dayGridEl, {
+                renderNumberIntroHtml: this.renderDayGridNumberIntroHtml,
+                renderBgIntroHtml: this.renderDayGridBgIntroHtml,
+                renderIntroHtml: this.renderDayGridIntroHtml,
+                colWeekNumbersVisible: this.colWeekNumbersVisible,
+                cellWeekNumbersVisible: this.cellWeekNumbersVisible
+            });
+        };
+        AbstractDayGridView.prototype._unrenderSkeleton = function () {
+            this.el.classList.remove('fc-dayGrid-view');
+            this.dayGrid.destroy();
+            this.scroller.destroy();
+        };
+        // Builds the HTML skeleton for the view.
+        // The day-grid component will render inside of a container defined by this HTML.
+        AbstractDayGridView.prototype.renderSkeletonHtml = function () {
+            var _a = this.context, theme = _a.theme, options = _a.options;
+            return '' +
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                (options.columnHeader ?
+                    '<thead class="fc-head">' +
+                        '<tr>' +
+                        '<td class="fc-head-container ' + theme.getClass('widgetHeader') + '">&nbsp;</td>' +
+                        '</tr>' +
+                        '</thead>' :
+                    '') +
+                '<tbody class="fc-body">' +
+                '<tr>' +
+                '<td class="' + theme.getClass('widgetContent') + '"></td>' +
+                '</tr>' +
+                '</tbody>' +
+                '</table>';
+        };
+        // Generates an HTML attribute string for setting the width of the week number column, if it is known
+        AbstractDayGridView.prototype.weekNumberStyleAttr = function () {
+            if (this.weekNumberWidth != null) {
+                return 'style="width:' + this.weekNumberWidth + 'px"';
+            }
+            return '';
+        };
+        // Determines whether each row should have a constant height
+        AbstractDayGridView.prototype.hasRigidRows = function () {
+            var eventLimit = this.context.options.eventLimit;
+            return eventLimit && typeof eventLimit !== 'number';
+        };
+        /* Dimensions
+        ------------------------------------------------------------------------------------------------------------------*/
+        AbstractDayGridView.prototype.updateSize = function (isResize, viewHeight, isAuto) {
+            _super.prototype.updateSize.call(this, isResize, viewHeight, isAuto); // will call updateBaseSize. important that executes first
+            this.dayGrid.updateSize(isResize);
+        };
+        // Refreshes the horizontal dimensions of the view
+        AbstractDayGridView.prototype.updateBaseSize = function (isResize, viewHeight, isAuto) {
+            var dayGrid = this.dayGrid;
+            var eventLimit = this.context.options.eventLimit;
+            var headRowEl = this.header ? this.header.el : null; // HACK
+            var scrollerHeight;
+            var scrollbarWidths;
+            // hack to give the view some height prior to dayGrid's columns being rendered
+            // TODO: separate setting height from scroller VS dayGrid.
+            if (!dayGrid.rowEls) {
+                if (!isAuto) {
+                    scrollerHeight = this.computeScrollerHeight(viewHeight);
+                    this.scroller.setHeight(scrollerHeight);
+                }
+                return;
+            }
+            if (this.colWeekNumbersVisible) {
+                // Make sure all week number cells running down the side have the same width.
+                this.weekNumberWidth = core.matchCellWidths(core.findElements(this.el, '.fc-week-number'));
+            }
+            // reset all heights to be natural
+            this.scroller.clear();
+            if (headRowEl) {
+                core.uncompensateScroll(headRowEl);
+            }
+            dayGrid.removeSegPopover(); // kill the "more" popover if displayed
+            // is the event limit a constant level number?
+            if (eventLimit && typeof eventLimit === 'number') {
+                dayGrid.limitRows(eventLimit); // limit the levels first so the height can redistribute after
+            }
+            // distribute the height to the rows
+            // (viewHeight is a "recommended" value if isAuto)
+            scrollerHeight = this.computeScrollerHeight(viewHeight);
+            this.setGridHeight(scrollerHeight, isAuto);
+            // is the event limit dynamically calculated?
+            if (eventLimit && typeof eventLimit !== 'number') {
+                dayGrid.limitRows(eventLimit); // limit the levels after the grid's row heights have been set
+            }
+            if (!isAuto) { // should we force dimensions of the scroll container?
+                this.scroller.setHeight(scrollerHeight);
+                scrollbarWidths = this.scroller.getScrollbarWidths();
+                if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
+                    if (headRowEl) {
+                        core.compensateScroll(headRowEl, scrollbarWidths);
+                    }
+                    // doing the scrollbar compensation might have created text overflow which created more height. redo
+                    scrollerHeight = this.computeScrollerHeight(viewHeight);
+                    this.scroller.setHeight(scrollerHeight);
+                }
+                // guarantees the same scrollbar widths
+                this.scroller.lockOverflow(scrollbarWidths);
+            }
+        };
+        // given a desired total height of the view, returns what the height of the scroller should be
+        AbstractDayGridView.prototype.computeScrollerHeight = function (viewHeight) {
+            return viewHeight -
+                core.subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
+        };
+        // Sets the height of just the DayGrid component in this view
+        AbstractDayGridView.prototype.setGridHeight = function (height, isAuto) {
+            if (this.context.options.monthMode) {
+                // if auto, make the height of each row the height that it would be if there were 6 weeks
+                if (isAuto) {
+                    height *= this.dayGrid.rowCnt / 6;
+                }
+                core.distributeHeight(this.dayGrid.rowEls, height, !isAuto); // if auto, don't compensate for height-hogging rows
+            }
+            else {
+                if (isAuto) {
+                    core.undistributeHeight(this.dayGrid.rowEls); // let the rows be their natural height with no expanding
+                }
+                else {
+                    core.distributeHeight(this.dayGrid.rowEls, height, true); // true = compensate for height-hogging rows
+                }
+            }
+        };
+        /* Scroll
+        ------------------------------------------------------------------------------------------------------------------*/
+        AbstractDayGridView.prototype.computeDateScroll = function (duration) {
+            return { top: 0 };
+        };
+        AbstractDayGridView.prototype.queryDateScroll = function () {
+            return { top: this.scroller.getScrollTop() };
+        };
+        AbstractDayGridView.prototype.applyDateScroll = function (scroll) {
+            if (scroll.top !== undefined) {
+                this.scroller.setScrollTop(scroll.top);
+            }
+        };
+        return AbstractDayGridView;
+    }(core.View));
+    AbstractDayGridView.prototype.dateProfileGeneratorClass = DayGridDateProfileGenerator;
+
+    var SimpleDayGrid = /** @class */ (function (_super) {
+        __extends(SimpleDayGrid, _super);
+        function SimpleDayGrid(dayGrid) {
+            var _this = _super.call(this, dayGrid.el) || this;
+            _this.slicer = new DayGridSlicer();
+            _this.dayGrid = dayGrid;
+            return _this;
+        }
+        SimpleDayGrid.prototype.firstContext = function (context) {
+            context.calendar.registerInteractiveComponent(this, { el: this.dayGrid.el });
+        };
+        SimpleDayGrid.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.context.calendar.unregisterInteractiveComponent(this);
+        };
+        SimpleDayGrid.prototype.render = function (props, context) {
+            var dayGrid = this.dayGrid;
+            var dateProfile = props.dateProfile, dayTable = props.dayTable;
+            dayGrid.receiveProps(__assign({}, this.slicer.sliceProps(props, dateProfile, props.nextDayThreshold, context.calendar, dayGrid, dayTable), { dateProfile: dateProfile, cells: dayTable.cells, isRigid: props.isRigid }), context);
+        };
+        SimpleDayGrid.prototype.buildPositionCaches = function () {
+            this.dayGrid.buildPositionCaches();
+        };
+        SimpleDayGrid.prototype.queryHit = function (positionLeft, positionTop) {
+            var rawHit = this.dayGrid.positionToHit(positionLeft, positionTop);
+            if (rawHit) {
+                return {
+                    component: this.dayGrid,
+                    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 SimpleDayGrid;
+    }(core.DateComponent));
+    var DayGridSlicer = /** @class */ (function (_super) {
+        __extends(DayGridSlicer, _super);
+        function DayGridSlicer() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        DayGridSlicer.prototype.sliceRange = function (dateRange, dayTable) {
+            return dayTable.sliceRange(dateRange);
+        };
+        return DayGridSlicer;
+    }(core.Slicer));
+
+    var DayGridView = /** @class */ (function (_super) {
+        __extends(DayGridView, _super);
+        function DayGridView() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.buildDayTable = core.memoize(buildDayTable);
+            return _this;
+        }
+        DayGridView.prototype.render = function (props, context) {
+            _super.prototype.render.call(this, props, context); // will call _renderSkeleton/_unrenderSkeleton
+            var dateProfile = this.props.dateProfile;
+            var dayTable = this.dayTable =
+                this.buildDayTable(dateProfile, props.dateProfileGenerator);
+            if (this.header) {
+                this.header.receiveProps({
+                    dateProfile: dateProfile,
+                    dates: dayTable.headerDates,
+                    datesRepDistinctDays: dayTable.rowCnt === 1,
+                    renderIntroHtml: this.renderHeadIntroHtml
+                }, context);
+            }
+            this.simpleDayGrid.receiveProps({
+                dateProfile: dateProfile,
+                dayTable: dayTable,
+                businessHours: props.businessHours,
+                dateSelection: props.dateSelection,
+                eventStore: props.eventStore,
+                eventUiBases: props.eventUiBases,
+                eventSelection: props.eventSelection,
+                eventDrag: props.eventDrag,
+                eventResize: props.eventResize,
+                isRigid: this.hasRigidRows(),
+                nextDayThreshold: this.context.nextDayThreshold
+            }, context);
+        };
+        DayGridView.prototype._renderSkeleton = function (context) {
+            _super.prototype._renderSkeleton.call(this, context);
+            if (context.options.columnHeader) {
+                this.header = new core.DayHeader(this.el.querySelector('.fc-head-container'));
+            }
+            this.simpleDayGrid = new SimpleDayGrid(this.dayGrid);
+        };
+        DayGridView.prototype._unrenderSkeleton = function () {
+            _super.prototype._unrenderSkeleton.call(this);
+            if (this.header) {
+                this.header.destroy();
+            }
+            this.simpleDayGrid.destroy();
+        };
+        return DayGridView;
+    }(AbstractDayGridView));
+    function buildDayTable(dateProfile, dateProfileGenerator) {
+        var daySeries = new core.DaySeries(dateProfile.renderRange, dateProfileGenerator);
+        return new core.DayTable(daySeries, /year|month|week/.test(dateProfile.currentRangeUnit));
+    }
+
+    var main = core.createPlugin({
+        defaultView: 'dayGridMonth',
+        views: {
+            dayGrid: DayGridView,
+            dayGridDay: {
+                type: 'dayGrid',
+                duration: { days: 1 }
+            },
+            dayGridWeek: {
+                type: 'dayGrid',
+                duration: { weeks: 1 }
+            },
+            dayGridMonth: {
+                type: 'dayGrid',
+                duration: { months: 1 },
+                monthMode: true,
+                fixedWeekCount: true
+            }
+        }
+    });
+
+    exports.AbstractDayGridView = AbstractDayGridView;
+    exports.DayBgRow = DayBgRow;
+    exports.DayGrid = DayGrid;
+    exports.DayGridSlicer = DayGridSlicer;
+    exports.DayGridView = DayGridView;
+    exports.SimpleDayGrid = SimpleDayGrid;
+    exports.buildBasicDayTable = buildDayTable;
+    exports.default = main;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+}));

+ 175 - 0
js/fullcalendar-google.js

@@ -0,0 +1,175 @@
+/*!
+FullCalendar Google Calendar Plugin v4.4.0
+Docs & License: https://fullcalendar.io/
+(c) 2019 Adam Shaw
+*/
+
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@fullcalendar/core')) :
+    typeof define === 'function' && define.amd ? define(['exports', '@fullcalendar/core'], factory) :
+    (global = global || self, factory(global.FullCalendarGoogleCalendar = {}, global.FullCalendar));
+}(this, function (exports, core) { 'use strict';
+
+    /*! *****************************************************************************
+    Copyright (c) Microsoft Corporation. All rights reserved.
+    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+    this file except in compliance with the License. You may obtain a copy of the
+    License at http://www.apache.org/licenses/LICENSE-2.0
+
+    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+    MERCHANTABLITY OR NON-INFRINGEMENT.
+
+    See the Apache Version 2.0 License for specific language governing permissions
+    and limitations under the License.
+    ***************************************************************************** */
+
+    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);
+    };
+
+    // TODO: expose somehow
+    var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars';
+    var STANDARD_PROPS = {
+        url: String,
+        googleCalendarApiKey: String,
+        googleCalendarId: String,
+        googleCalendarApiBase: String,
+        data: null
+    };
+    var eventSourceDef = {
+        parseMeta: function (raw) {
+            if (typeof raw === 'string') {
+                raw = { url: raw };
+            }
+            if (typeof raw === 'object') {
+                var standardProps = core.refineProps(raw, STANDARD_PROPS);
+                if (!standardProps.googleCalendarId && standardProps.url) {
+                    standardProps.googleCalendarId = parseGoogleCalendarId(standardProps.url);
+                }
+                delete standardProps.url;
+                if (standardProps.googleCalendarId) {
+                    return standardProps;
+                }
+            }
+            return null;
+        },
+        fetch: function (arg, onSuccess, onFailure) {
+            var calendar = arg.calendar;
+            var meta = arg.eventSource.meta;
+            var apiKey = meta.googleCalendarApiKey || calendar.opt('googleCalendarApiKey');
+            if (!apiKey) {
+                onFailure({
+                    message: 'Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/'
+                });
+            }
+            else {
+                var url = buildUrl(meta);
+                var requestParams_1 = buildRequestParams(arg.range, apiKey, meta.data, calendar.dateEnv);
+                core.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 "asdf1234@calendar.google.com" 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(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 = core.addDays(range.start, -1).toISOString();
+            endStr = core.addDays(range.end, 1).toISOString();
+        }
+        params = __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 main = core.createPlugin({
+        eventSourceDefs: [eventSourceDef]
+    });
+
+    exports.default = main;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+}));

+ 1401 - 0
js/fullcalendar-timegrid.js

@@ -0,0 +1,1401 @@
+/*!
+FullCalendar Time Grid Plugin v4.4.0
+Docs & License: https://fullcalendar.io/
+(c) 2019 Adam Shaw
+*/
+
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@fullcalendar/core'), require('@fullcalendar/daygrid')) :
+    typeof define === 'function' && define.amd ? define(['exports', '@fullcalendar/core', '@fullcalendar/daygrid'], factory) :
+    (global = global || self, factory(global.FullCalendarTimeGrid = {}, global.FullCalendar, global.FullCalendarDayGrid));
+}(this, function (exports, core, daygrid) { 'use strict';
+
+    /*! *****************************************************************************
+    Copyright (c) Microsoft Corporation. All rights reserved.
+    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+    this file except in compliance with the License. You may obtain a copy of the
+    License at http://www.apache.org/licenses/LICENSE-2.0
+
+    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+    MERCHANTABLITY OR NON-INFRINGEMENT.
+
+    See the Apache Version 2.0 License for specific language governing permissions
+    and limitations under the License.
+    ***************************************************************************** */
+    /* 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);
+    };
+
+    /*
+    Only handles foreground segs.
+    Does not own rendering. Use for low-level util methods by TimeGrid.
+    */
+    var TimeGridEventRenderer = /** @class */ (function (_super) {
+        __extends(TimeGridEventRenderer, _super);
+        function TimeGridEventRenderer(timeGrid) {
+            var _this = _super.call(this) || this;
+            _this.timeGrid = timeGrid;
+            return _this;
+        }
+        TimeGridEventRenderer.prototype.renderSegs = function (context, segs, mirrorInfo) {
+            _super.prototype.renderSegs.call(this, context, segs, mirrorInfo);
+            // TODO: dont do every time. memoize
+            this.fullTimeFormat = core.createFormatter({
+                hour: 'numeric',
+                minute: '2-digit',
+                separator: this.context.options.defaultRangeSeparator
+            });
+        };
+        // Given an array of foreground segments, render a DOM element for each, computes position,
+        // and attaches to the column inner-container elements.
+        TimeGridEventRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+            var segsByCol = this.timeGrid.groupSegsByCol(segs);
+            // order the segs within each column
+            // TODO: have groupSegsByCol do this?
+            for (var col = 0; col < segsByCol.length; col++) {
+                segsByCol[col] = this.sortEventSegs(segsByCol[col]);
+            }
+            this.segsByCol = segsByCol;
+            this.timeGrid.attachSegsByCol(segsByCol, this.timeGrid.fgContainerEls);
+        };
+        TimeGridEventRenderer.prototype.detachSegs = function (segs) {
+            segs.forEach(function (seg) {
+                core.removeElement(seg.el);
+            });
+            this.segsByCol = null;
+        };
+        TimeGridEventRenderer.prototype.computeSegSizes = function (allSegs) {
+            var _a = this, timeGrid = _a.timeGrid, segsByCol = _a.segsByCol;
+            var colCnt = timeGrid.colCnt;
+            timeGrid.computeSegVerticals(allSegs); // horizontals relies on this
+            if (segsByCol) {
+                for (var col = 0; col < colCnt; col++) {
+                    this.computeSegHorizontals(segsByCol[col]); // compute horizontal coordinates, z-index's, and reorder the array
+                }
+            }
+        };
+        TimeGridEventRenderer.prototype.assignSegSizes = function (allSegs) {
+            var _a = this, timeGrid = _a.timeGrid, segsByCol = _a.segsByCol;
+            var colCnt = timeGrid.colCnt;
+            timeGrid.assignSegVerticals(allSegs); // horizontals relies on this
+            if (segsByCol) {
+                for (var col = 0; col < colCnt; col++) {
+                    this.assignSegCss(segsByCol[col]);
+                }
+            }
+        };
+        // Computes a default event time formatting string if `eventTimeFormat` is not explicitly defined
+        TimeGridEventRenderer.prototype.computeEventTimeFormat = function () {
+            return {
+                hour: 'numeric',
+                minute: '2-digit',
+                meridiem: false
+            };
+        };
+        // Computes a default `displayEventEnd` value if one is not expliclty defined
+        TimeGridEventRenderer.prototype.computeDisplayEventEnd = function () {
+            return true;
+        };
+        // Renders the HTML for a single event segment's default rendering
+        TimeGridEventRenderer.prototype.renderSegHtml = function (seg, mirrorInfo) {
+            var eventRange = seg.eventRange;
+            var eventDef = eventRange.def;
+            var eventUi = eventRange.ui;
+            var allDay = eventDef.allDay;
+            var isDraggable = core.computeEventDraggable(this.context, eventDef, eventUi);
+            var isResizableFromStart = seg.isStart && core.computeEventStartResizable(this.context, eventDef, eventUi);
+            var isResizableFromEnd = seg.isEnd && core.computeEventEndResizable(this.context, eventDef, eventUi);
+            var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd, mirrorInfo);
+            var skinCss = core.cssToStr(this.getSkinCss(eventUi));
+            var timeText;
+            var fullTimeText; // more verbose time text. for the print stylesheet
+            var startTimeText; // just the start time text
+            classes.unshift('fc-time-grid-event');
+            // if the event appears to span more than one day...
+            if (core.isMultiDayRange(eventRange.range)) {
+                // Don't display time text on segments that run entirely through a day.
+                // That would appear as midnight-midnight and would look dumb.
+                // Otherwise, display the time text for the *segment's* times (like 6pm-midnight or midnight-10am)
+                if (seg.isStart || seg.isEnd) {
+                    var unzonedStart = seg.start;
+                    var unzonedEnd = seg.end;
+                    timeText = this._getTimeText(unzonedStart, unzonedEnd, allDay); // TODO: give the timezones
+                    fullTimeText = this._getTimeText(unzonedStart, unzonedEnd, allDay, this.fullTimeFormat);
+                    startTimeText = this._getTimeText(unzonedStart, unzonedEnd, allDay, null, false); // displayEnd=false
+                }
+            }
+            else {
+                // Display the normal time text for the *event's* times
+                timeText = this.getTimeText(eventRange);
+                fullTimeText = this.getTimeText(eventRange, this.fullTimeFormat);
+                startTimeText = this.getTimeText(eventRange, null, false); // displayEnd=false
+            }
+            return '<a class="' + classes.join(' ') + '"' +
+                (eventDef.url ?
+                    ' href="' + core.htmlEscape(eventDef.url) + '"' :
+                    '') +
+                (skinCss ?
+                    ' style="' + skinCss + '"' :
+                    '') +
+                '>' +
+                '<div class="fc-content">' +
+                (timeText ?
+                    '<div class="fc-time"' +
+                        ' data-start="' + core.htmlEscape(startTimeText) + '"' +
+                        ' data-full="' + core.htmlEscape(fullTimeText) + '"' +
+                        '>' +
+                        '<span>' + core.htmlEscape(timeText) + '</span>' +
+                        '</div>' :
+                    '') +
+                (eventDef.title ?
+                    '<div class="fc-title">' +
+                        core.htmlEscape(eventDef.title) +
+                        '</div>' :
+                    '') +
+                '</div>' +
+                /* TODO: write CSS for this
+                (isResizableFromStart ?
+                  '<div class="fc-resizer fc-start-resizer"></div>' :
+                  ''
+                  ) +
+                */
+                (isResizableFromEnd ?
+                    '<div class="fc-resizer fc-end-resizer"></div>' :
+                    '') +
+                '</a>';
+        };
+        // 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!
+        TimeGridEventRenderer.prototype.computeSegHorizontals = function (segs) {
+            var levels;
+            var level0;
+            var i;
+            levels = buildSlotSegLevels(segs);
+            computeForwardSlotSegs(levels);
+            if ((level0 = levels[0])) {
+                for (i = 0; i < level0.length; i++) {
+                    computeSlotSegPressures(level0[i]);
+                }
+                for (i = 0; i < level0.length; i++) {
+                    this.computeSegForwardBack(level0[i], 0, 0);
+                }
+            }
+        };
+        // 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.
+        TimeGridEventRenderer.prototype.computeSegForwardBack = function (seg, seriesBackwardPressure, seriesBackwardCoord) {
+            var forwardSegs = seg.forwardSegs;
+            var i;
+            if (seg.forwardCoord === undefined) { // 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
+                    this.sortForwardSegs(forwardSegs);
+                    // this segment's forwardCoord will be calculated from the backwardCoord of the
+                    // highest-pressure forward segment.
+                    this.computeSegForwardBack(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord);
+                    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++) {
+                    this.computeSegForwardBack(forwardSegs[i], 0, seg.forwardCoord);
+                }
+            }
+        };
+        TimeGridEventRenderer.prototype.sortForwardSegs = function (forwardSegs) {
+            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(this.context.eventOrderSpecs);
+            objs.sort(function (obj0, obj1) {
+                return core.compareByFieldSpecs(obj0, obj1, specs);
+            });
+            return objs.map(function (c) {
+                return c._seg;
+            });
+        };
+        // Given foreground event segments that have already had their position coordinates computed,
+        // assigns position-related CSS values to their elements.
+        TimeGridEventRenderer.prototype.assignSegCss = function (segs) {
+            for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
+                var seg = segs_1[_i];
+                core.applyStyle(seg.el, this.generateSegCss(seg));
+                if (seg.level > 0) {
+                    seg.el.classList.add('fc-time-grid-event-inset');
+                }
+                // if the event is short that the title will be cut off,
+                // attach a className that condenses the title into the time area.
+                if (seg.eventRange.def.title && seg.bottom - seg.top < 30) {
+                    seg.el.classList.add('fc-short'); // TODO: "condensed" is a better name
+                }
+            }
+        };
+        // Generates an object with CSS properties/values that should be applied to an event segment element.
+        // Contains important positioning-related properties that should be applied to any event element, customized or not.
+        TimeGridEventRenderer.prototype.generateSegCss = function (seg) {
+            var shouldOverlap = this.context.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 props = this.timeGrid.generateSegVerticalCss(seg); // get top/bottom first
+            var isRtl = this.context.isRtl;
+            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;
+            }
+            props.zIndex = seg.level + 1; // convert from 0-base to 1-based
+            props.left = left * 100 + '%';
+            props.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 props;
+        };
+        return TimeGridEventRenderer;
+    }(core.FgEventRenderer));
+    // 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;
+    }
+    // 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 === undefined) { // 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;
+        }
+    }
+    // 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;
+    }
+    function buildTimeGridSegCompareObj(seg) {
+        var obj = core.buildSegCompareObj(seg);
+        obj.forwardPressure = seg.forwardPressure;
+        obj.backwardCoord = seg.backwardCoord;
+        return obj;
+    }
+
+    var TimeGridMirrorRenderer = /** @class */ (function (_super) {
+        __extends(TimeGridMirrorRenderer, _super);
+        function TimeGridMirrorRenderer() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        TimeGridMirrorRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+            this.segsByCol = this.timeGrid.groupSegsByCol(segs);
+            this.timeGrid.attachSegsByCol(this.segsByCol, this.timeGrid.mirrorContainerEls);
+            this.sourceSeg = mirrorInfo.sourceSeg;
+        };
+        TimeGridMirrorRenderer.prototype.generateSegCss = function (seg) {
+            var props = _super.prototype.generateSegCss.call(this, seg);
+            var sourceSeg = this.sourceSeg;
+            if (sourceSeg && sourceSeg.col === seg.col) {
+                var sourceSegProps = _super.prototype.generateSegCss.call(this, sourceSeg);
+                props.left = sourceSegProps.left;
+                props.right = sourceSegProps.right;
+                props.marginLeft = sourceSegProps.marginLeft;
+                props.marginRight = sourceSegProps.marginRight;
+            }
+            return props;
+        };
+        return TimeGridMirrorRenderer;
+    }(TimeGridEventRenderer));
+
+    var TimeGridFillRenderer = /** @class */ (function (_super) {
+        __extends(TimeGridFillRenderer, _super);
+        function TimeGridFillRenderer(timeGrid) {
+            var _this = _super.call(this) || this;
+            _this.timeGrid = timeGrid;
+            return _this;
+        }
+        TimeGridFillRenderer.prototype.attachSegs = function (type, segs) {
+            var timeGrid = this.timeGrid;
+            var containerEls;
+            // TODO: more efficient lookup
+            if (type === 'bgEvent') {
+                containerEls = timeGrid.bgContainerEls;
+            }
+            else if (type === 'businessHours') {
+                containerEls = timeGrid.businessContainerEls;
+            }
+            else if (type === 'highlight') {
+                containerEls = timeGrid.highlightContainerEls;
+            }
+            timeGrid.attachSegsByCol(timeGrid.groupSegsByCol(segs), containerEls);
+            return segs.map(function (seg) {
+                return seg.el;
+            });
+        };
+        TimeGridFillRenderer.prototype.computeSegSizes = function (segs) {
+            this.timeGrid.computeSegVerticals(segs);
+        };
+        TimeGridFillRenderer.prototype.assignSegSizes = function (segs) {
+            this.timeGrid.assignSegVerticals(segs);
+        };
+        return TimeGridFillRenderer;
+    }(core.FillRenderer));
+
+    /* A component that renders one or more columns of vertical time slots
+    ----------------------------------------------------------------------------------------------------------------------*/
+    // potential nice values for the slot-duration and interval-duration
+    // from largest to smallest
+    var AGENDA_STOCK_SUB_DURATIONS = [
+        { hours: 1 },
+        { minutes: 30 },
+        { minutes: 15 },
+        { seconds: 30 },
+        { seconds: 15 }
+    ];
+    var TimeGrid = /** @class */ (function (_super) {
+        __extends(TimeGrid, _super);
+        function TimeGrid(el, renderProps) {
+            var _this = _super.call(this, el) || this;
+            _this.isSlatSizesDirty = false;
+            _this.isColSizesDirty = false;
+            _this.processOptions = core.memoize(_this._processOptions);
+            _this.renderSkeleton = core.memoizeRendering(_this._renderSkeleton);
+            _this.renderSlats = core.memoizeRendering(_this._renderSlats, null, [_this.renderSkeleton]);
+            _this.renderColumns = core.memoizeRendering(_this._renderColumns, _this._unrenderColumns, [_this.renderSkeleton]);
+            _this.renderProps = renderProps;
+            var renderColumns = _this.renderColumns;
+            var eventRenderer = _this.eventRenderer = new TimeGridEventRenderer(_this);
+            var fillRenderer = _this.fillRenderer = new TimeGridFillRenderer(_this);
+            _this.mirrorRenderer = new TimeGridMirrorRenderer(_this);
+            _this.renderBusinessHours = core.memoizeRendering(fillRenderer.renderSegs.bind(fillRenderer, 'businessHours'), fillRenderer.unrender.bind(fillRenderer, 'businessHours'), [renderColumns]);
+            _this.renderDateSelection = core.memoizeRendering(_this._renderDateSelection, _this._unrenderDateSelection, [renderColumns]);
+            _this.renderFgEvents = core.memoizeRendering(eventRenderer.renderSegs.bind(eventRenderer), eventRenderer.unrender.bind(eventRenderer), [renderColumns]);
+            _this.renderBgEvents = core.memoizeRendering(fillRenderer.renderSegs.bind(fillRenderer, 'bgEvent'), fillRenderer.unrender.bind(fillRenderer, 'bgEvent'), [renderColumns]);
+            _this.renderEventSelection = core.memoizeRendering(eventRenderer.selectByInstanceId.bind(eventRenderer), eventRenderer.unselectByInstanceId.bind(eventRenderer), [_this.renderFgEvents]);
+            _this.renderEventDrag = core.memoizeRendering(_this._renderEventDrag, _this._unrenderEventDrag, [renderColumns]);
+            _this.renderEventResize = core.memoizeRendering(_this._renderEventResize, _this._unrenderEventResize, [renderColumns]);
+            return _this;
+        }
+        /* Options
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Parses various options into properties of this object
+        // MUST have context already set
+        TimeGrid.prototype._processOptions = function (options) {
+            var slotDuration = options.slotDuration, snapDuration = options.snapDuration;
+            var snapsPerSlot;
+            var input;
+            slotDuration = core.createDuration(slotDuration);
+            snapDuration = snapDuration ? core.createDuration(snapDuration) : slotDuration;
+            snapsPerSlot = core.wholeDivideDurations(slotDuration, snapDuration);
+            if (snapsPerSlot === null) {
+                snapDuration = slotDuration;
+                snapsPerSlot = 1;
+                // TODO: say warning?
+            }
+            this.slotDuration = slotDuration;
+            this.snapDuration = snapDuration;
+            this.snapsPerSlot = snapsPerSlot;
+            // might be an array value (for TimelineView).
+            // if so, getting the most granular entry (the last one probably).
+            input = options.slotLabelFormat;
+            if (Array.isArray(input)) {
+                input = input[input.length - 1];
+            }
+            this.labelFormat = core.createFormatter(input || {
+                hour: 'numeric',
+                minute: '2-digit',
+                omitZeroMinute: true,
+                meridiem: 'short'
+            });
+            input = options.slotLabelInterval;
+            this.labelInterval = input ?
+                core.createDuration(input) :
+                this.computeLabelInterval(slotDuration);
+        };
+        // Computes an automatic value for slotLabelInterval
+        TimeGrid.prototype.computeLabelInterval = function (slotDuration) {
+            var i;
+            var labelInterval;
+            var slotsPerLabel;
+            // find the smallest stock label interval that results in more than one slots-per-label
+            for (i = AGENDA_STOCK_SUB_DURATIONS.length - 1; i >= 0; i--) {
+                labelInterval = core.createDuration(AGENDA_STOCK_SUB_DURATIONS[i]);
+                slotsPerLabel = core.wholeDivideDurations(labelInterval, slotDuration);
+                if (slotsPerLabel !== null && slotsPerLabel > 1) {
+                    return labelInterval;
+                }
+            }
+            return slotDuration; // fall back
+        };
+        /* Rendering
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.render = function (props, context) {
+            this.processOptions(context.options);
+            var cells = props.cells;
+            this.colCnt = cells.length;
+            this.renderSkeleton(context.theme);
+            this.renderSlats(props.dateProfile);
+            this.renderColumns(props.cells, props.dateProfile);
+            this.renderBusinessHours(context, props.businessHourSegs);
+            this.renderDateSelection(props.dateSelectionSegs);
+            this.renderFgEvents(context, props.fgEventSegs);
+            this.renderBgEvents(context, props.bgEventSegs);
+            this.renderEventSelection(props.eventSelection);
+            this.renderEventDrag(props.eventDrag);
+            this.renderEventResize(props.eventResize);
+        };
+        TimeGrid.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            // should unrender everything else too
+            this.renderSlats.unrender();
+            this.renderColumns.unrender();
+            this.renderSkeleton.unrender();
+        };
+        TimeGrid.prototype.updateSize = function (isResize) {
+            var _a = this, fillRenderer = _a.fillRenderer, eventRenderer = _a.eventRenderer, mirrorRenderer = _a.mirrorRenderer;
+            if (isResize || this.isSlatSizesDirty) {
+                this.buildSlatPositions();
+                this.isSlatSizesDirty = false;
+            }
+            if (isResize || this.isColSizesDirty) {
+                this.buildColPositions();
+                this.isColSizesDirty = false;
+            }
+            fillRenderer.computeSizes(isResize);
+            eventRenderer.computeSizes(isResize);
+            mirrorRenderer.computeSizes(isResize);
+            fillRenderer.assignSizes(isResize);
+            eventRenderer.assignSizes(isResize);
+            mirrorRenderer.assignSizes(isResize);
+        };
+        TimeGrid.prototype._renderSkeleton = function (theme) {
+            var el = this.el;
+            el.innerHTML =
+                '<div class="fc-bg"></div>' +
+                    '<div class="fc-slats"></div>' +
+                    '<hr class="fc-divider ' + theme.getClass('widgetHeader') + '" style="display:none" />';
+            this.rootBgContainerEl = el.querySelector('.fc-bg');
+            this.slatContainerEl = el.querySelector('.fc-slats');
+            this.bottomRuleEl = el.querySelector('.fc-divider');
+        };
+        TimeGrid.prototype._renderSlats = function (dateProfile) {
+            var theme = this.context.theme;
+            this.slatContainerEl.innerHTML =
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                    this.renderSlatRowHtml(dateProfile) +
+                    '</table>';
+            this.slatEls = core.findElements(this.slatContainerEl, 'tr');
+            this.slatPositions = new core.PositionCache(this.el, this.slatEls, false, true // vertical
+            );
+            this.isSlatSizesDirty = true;
+        };
+        // Generates the HTML for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.
+        TimeGrid.prototype.renderSlatRowHtml = function (dateProfile) {
+            var _a = this.context, dateEnv = _a.dateEnv, theme = _a.theme, isRtl = _a.isRtl;
+            var html = '';
+            var dayStart = core.startOfDay(dateProfile.renderRange.start);
+            var slotTime = dateProfile.minTime;
+            var slotIterator = core.createDuration(0);
+            var slotDate; // will be on the view's first day, but we only care about its time
+            var isLabeled;
+            var axisHtml;
+            // Calculate the time for each slot
+            while (core.asRoughMs(slotTime) < core.asRoughMs(dateProfile.maxTime)) {
+                slotDate = dateEnv.add(dayStart, slotTime);
+                isLabeled = core.wholeDivideDurations(slotIterator, this.labelInterval) !== null;
+                axisHtml =
+                    '<td class="fc-axis fc-time ' + theme.getClass('widgetContent') + '">' +
+                        (isLabeled ?
+                            '<span>' + // for matchCellWidths
+                                core.htmlEscape(dateEnv.format(slotDate, this.labelFormat)) +
+                                '</span>' :
+                            '') +
+                        '</td>';
+                html +=
+                    '<tr data-time="' + core.formatIsoTimeString(slotDate) + '"' +
+                        (isLabeled ? '' : ' class="fc-minor"') +
+                        '>' +
+                        (!isRtl ? axisHtml : '') +
+                        '<td class="' + theme.getClass('widgetContent') + '"></td>' +
+                        (isRtl ? axisHtml : '') +
+                        '</tr>';
+                slotTime = core.addDurations(slotTime, this.slotDuration);
+                slotIterator = core.addDurations(slotIterator, this.slotDuration);
+            }
+            return html;
+        };
+        TimeGrid.prototype._renderColumns = function (cells, dateProfile) {
+            var _a = this.context, calendar = _a.calendar, view = _a.view, isRtl = _a.isRtl, theme = _a.theme, dateEnv = _a.dateEnv;
+            var bgRow = new daygrid.DayBgRow(this.context);
+            this.rootBgContainerEl.innerHTML =
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                    bgRow.renderHtml({
+                        cells: cells,
+                        dateProfile: dateProfile,
+                        renderIntroHtml: this.renderProps.renderBgIntroHtml
+                    }) +
+                    '</table>';
+            this.colEls = core.findElements(this.el, '.fc-day, .fc-disabled-day');
+            for (var col = 0; col < this.colCnt; col++) {
+                calendar.publiclyTrigger('dayRender', [
+                    {
+                        date: dateEnv.toDate(cells[col].date),
+                        el: this.colEls[col],
+                        view: view
+                    }
+                ]);
+            }
+            if (isRtl) {
+                this.colEls.reverse();
+            }
+            this.colPositions = new core.PositionCache(this.el, this.colEls, true, // horizontal
+            false);
+            this.renderContentSkeleton();
+            this.isColSizesDirty = true;
+        };
+        TimeGrid.prototype._unrenderColumns = function () {
+            this.unrenderContentSkeleton();
+        };
+        /* Content Skeleton
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Renders the DOM that the view's content will live in
+        TimeGrid.prototype.renderContentSkeleton = function () {
+            var isRtl = this.context.isRtl;
+            var parts = [];
+            var skeletonEl;
+            parts.push(this.renderProps.renderIntroHtml());
+            for (var i = 0; i < this.colCnt; i++) {
+                parts.push('<td>' +
+                    '<div class="fc-content-col">' +
+                    '<div class="fc-event-container fc-mirror-container"></div>' +
+                    '<div class="fc-event-container"></div>' +
+                    '<div class="fc-highlight-container"></div>' +
+                    '<div class="fc-bgevent-container"></div>' +
+                    '<div class="fc-business-container"></div>' +
+                    '</div>' +
+                    '</td>');
+            }
+            if (isRtl) {
+                parts.reverse();
+            }
+            skeletonEl = this.contentSkeletonEl = core.htmlToElement('<div class="fc-content-skeleton">' +
+                '<table>' +
+                '<tr>' + parts.join('') + '</tr>' +
+                '</table>' +
+                '</div>');
+            this.colContainerEls = core.findElements(skeletonEl, '.fc-content-col');
+            this.mirrorContainerEls = core.findElements(skeletonEl, '.fc-mirror-container');
+            this.fgContainerEls = core.findElements(skeletonEl, '.fc-event-container:not(.fc-mirror-container)');
+            this.bgContainerEls = core.findElements(skeletonEl, '.fc-bgevent-container');
+            this.highlightContainerEls = core.findElements(skeletonEl, '.fc-highlight-container');
+            this.businessContainerEls = core.findElements(skeletonEl, '.fc-business-container');
+            if (isRtl) {
+                this.colContainerEls.reverse();
+                this.mirrorContainerEls.reverse();
+                this.fgContainerEls.reverse();
+                this.bgContainerEls.reverse();
+                this.highlightContainerEls.reverse();
+                this.businessContainerEls.reverse();
+            }
+            this.el.appendChild(skeletonEl);
+        };
+        TimeGrid.prototype.unrenderContentSkeleton = function () {
+            core.removeElement(this.contentSkeletonEl);
+        };
+        // Given a flat array of segments, return an array of sub-arrays, grouped by each segment's col
+        TimeGrid.prototype.groupSegsByCol = function (segs) {
+            var segsByCol = [];
+            var i;
+            for (i = 0; i < this.colCnt; i++) {
+                segsByCol.push([]);
+            }
+            for (i = 0; i < segs.length; i++) {
+                segsByCol[segs[i].col].push(segs[i]);
+            }
+            return segsByCol;
+        };
+        // Given segments grouped by column, insert the segments' elements into a parallel array of container
+        // elements, each living within a column.
+        TimeGrid.prototype.attachSegsByCol = function (segsByCol, containerEls) {
+            var col;
+            var segs;
+            var i;
+            for (col = 0; col < this.colCnt; col++) { // iterate each column grouping
+                segs = segsByCol[col];
+                for (i = 0; i < segs.length; i++) {
+                    containerEls[col].appendChild(segs[i].el);
+                }
+            }
+        };
+        /* Now Indicator
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.getNowIndicatorUnit = function () {
+            return 'minute'; // will refresh on the minute
+        };
+        TimeGrid.prototype.renderNowIndicator = function (segs, date) {
+            // HACK: if date columns not ready for some reason (scheduler)
+            if (!this.colContainerEls) {
+                return;
+            }
+            var top = this.computeDateTop(date);
+            var nodes = [];
+            var i;
+            // render lines within the columns
+            for (i = 0; i < segs.length; i++) {
+                var lineEl = core.createElement('div', { className: 'fc-now-indicator fc-now-indicator-line' });
+                lineEl.style.top = top + 'px';
+                this.colContainerEls[segs[i].col].appendChild(lineEl);
+                nodes.push(lineEl);
+            }
+            // render an arrow over the axis
+            if (segs.length > 0) { // is the current time in view?
+                var arrowEl = core.createElement('div', { className: 'fc-now-indicator fc-now-indicator-arrow' });
+                arrowEl.style.top = top + 'px';
+                this.contentSkeletonEl.appendChild(arrowEl);
+                nodes.push(arrowEl);
+            }
+            this.nowIndicatorEls = nodes;
+        };
+        TimeGrid.prototype.unrenderNowIndicator = function () {
+            if (this.nowIndicatorEls) {
+                this.nowIndicatorEls.forEach(core.removeElement);
+                this.nowIndicatorEls = null;
+            }
+        };
+        /* Coordinates
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.getTotalSlatHeight = function () {
+            return this.slatContainerEl.getBoundingClientRect().height;
+        };
+        // 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.
+        TimeGrid.prototype.computeDateTop = function (when, startOfDayDate) {
+            if (!startOfDayDate) {
+                startOfDayDate = core.startOfDay(when);
+            }
+            return this.computeTimeTop(core.createDuration(when.valueOf() - startOfDayDate.valueOf()));
+        };
+        // Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).
+        TimeGrid.prototype.computeTimeTop = function (duration) {
+            var len = this.slatEls.length;
+            var dateProfile = this.props.dateProfile;
+            var slatCoverage = (duration.milliseconds - core.asRoughMs(dateProfile.minTime)) / core.asRoughMs(this.slotDuration); // 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 minTime/maxTime 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 this.slatPositions.tops[slatIndex] +
+                this.slatPositions.getHeight(slatIndex) * slatRemainder;
+        };
+        // For each segment in an array, computes and assigns its top and bottom properties
+        TimeGrid.prototype.computeSegVerticals = function (segs) {
+            var options = this.context.options;
+            var eventMinHeight = options.timeGridEventMinHeight;
+            var i;
+            var seg;
+            var dayDate;
+            for (i = 0; i < segs.length; i++) {
+                seg = segs[i];
+                dayDate = this.props.cells[seg.col].date;
+                seg.top = this.computeDateTop(seg.start, dayDate);
+                seg.bottom = Math.max(seg.top + eventMinHeight, this.computeDateTop(seg.end, dayDate));
+            }
+        };
+        // Given segments that already have their top/bottom properties computed, applies those values to
+        // the segments' elements.
+        TimeGrid.prototype.assignSegVerticals = function (segs) {
+            var i;
+            var seg;
+            for (i = 0; i < segs.length; i++) {
+                seg = segs[i];
+                core.applyStyle(seg.el, this.generateSegVerticalCss(seg));
+            }
+        };
+        // Generates an object with CSS properties for the top/bottom coordinates of a segment element
+        TimeGrid.prototype.generateSegVerticalCss = function (seg) {
+            return {
+                top: seg.top,
+                bottom: -seg.bottom // flipped because needs to be space beyond bottom edge of event container
+            };
+        };
+        /* Sizing
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.buildPositionCaches = function () {
+            this.buildColPositions();
+            this.buildSlatPositions();
+        };
+        TimeGrid.prototype.buildColPositions = function () {
+            this.colPositions.build();
+        };
+        TimeGrid.prototype.buildSlatPositions = function () {
+            this.slatPositions.build();
+        };
+        /* Hit System
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.positionToHit = function (positionLeft, positionTop) {
+            var dateEnv = this.context.dateEnv;
+            var _a = this, snapsPerSlot = _a.snapsPerSlot, slatPositions = _a.slatPositions, colPositions = _a.colPositions;
+            var colIndex = colPositions.leftToIndex(positionLeft);
+            var slatIndex = slatPositions.topToIndex(positionTop);
+            if (colIndex != null && slatIndex != null) {
+                var slatTop = slatPositions.tops[slatIndex];
+                var slatHeight = slatPositions.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 = core.addDurations(this.props.dateProfile.minTime, core.multiplyDuration(this.snapDuration, snapIndex));
+                var start = dateEnv.add(dayDate, time);
+                var end = dateEnv.add(start, this.snapDuration);
+                return {
+                    col: colIndex,
+                    dateSpan: {
+                        range: { start: start, end: end },
+                        allDay: false
+                    },
+                    dayEl: this.colEls[colIndex],
+                    relativeRect: {
+                        left: colPositions.lefts[colIndex],
+                        right: colPositions.rights[colIndex],
+                        top: slatTop,
+                        bottom: slatTop + slatHeight
+                    }
+                };
+            }
+        };
+        /* Event Drag Visualization
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype._renderEventDrag = function (state) {
+            if (state) {
+                this.eventRenderer.hideByHash(state.affectedInstances);
+                if (state.isEvent) {
+                    this.mirrorRenderer.renderSegs(this.context, state.segs, { isDragging: true, sourceSeg: state.sourceSeg });
+                }
+                else {
+                    this.fillRenderer.renderSegs('highlight', this.context, state.segs);
+                }
+            }
+        };
+        TimeGrid.prototype._unrenderEventDrag = function (state) {
+            if (state) {
+                this.eventRenderer.showByHash(state.affectedInstances);
+                if (state.isEvent) {
+                    this.mirrorRenderer.unrender(this.context, state.segs, { isDragging: true, sourceSeg: state.sourceSeg });
+                }
+                else {
+                    this.fillRenderer.unrender('highlight', this.context);
+                }
+            }
+        };
+        /* Event Resize Visualization
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype._renderEventResize = function (state) {
+            if (state) {
+                this.eventRenderer.hideByHash(state.affectedInstances);
+                this.mirrorRenderer.renderSegs(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+            }
+        };
+        TimeGrid.prototype._unrenderEventResize = function (state) {
+            if (state) {
+                this.eventRenderer.showByHash(state.affectedInstances);
+                this.mirrorRenderer.unrender(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+            }
+        };
+        /* Selection
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Renders a visual indication of a selection. Overrides the default, which was to simply render a highlight.
+        TimeGrid.prototype._renderDateSelection = function (segs) {
+            if (segs) {
+                if (this.context.options.selectMirror) {
+                    this.mirrorRenderer.renderSegs(this.context, segs, { isSelecting: true });
+                }
+                else {
+                    this.fillRenderer.renderSegs('highlight', this.context, segs);
+                }
+            }
+        };
+        TimeGrid.prototype._unrenderDateSelection = function (segs) {
+            if (segs) {
+                if (this.context.options.selectMirror) {
+                    this.mirrorRenderer.unrender(this.context, segs, { isSelecting: true });
+                }
+                else {
+                    this.fillRenderer.unrender('highlight', this.context);
+                }
+            }
+        };
+        return TimeGrid;
+    }(core.DateComponent));
+
+    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 (core.hasBgRendering(eventDef)) {
+                return ['timed', 'allDay'];
+            }
+            else {
+                return ['allDay'];
+            }
+        };
+        return AllDaySplitter;
+    }(core.Splitter));
+
+    var TIMEGRID_ALL_DAY_EVENT_LIMIT = 5;
+    var WEEK_HEADER_FORMAT = core.createFormatter({ week: 'short' });
+    /* An abstract class for all timegrid-related views. Displays one more columns with time slots running vertically.
+    ----------------------------------------------------------------------------------------------------------------------*/
+    // Is a manager for the TimeGrid subcomponent and possibly the DayGrid subcomponent (if allDaySlot is on).
+    // Responsible for managing width/height.
+    var AbstractTimeGridView = /** @class */ (function (_super) {
+        __extends(AbstractTimeGridView, _super);
+        function AbstractTimeGridView() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.splitter = new AllDaySplitter();
+            _this.renderSkeleton = core.memoizeRendering(_this._renderSkeleton, _this._unrenderSkeleton);
+            /* Header Render Methods
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that will go before the day-of week header cells
+            _this.renderHeadIntroHtml = function () {
+                var _a = _this.context, theme = _a.theme, dateEnv = _a.dateEnv, options = _a.options;
+                var range = _this.props.dateProfile.renderRange;
+                var dayCnt = core.diffDays(range.start, range.end);
+                var weekText;
+                if (options.weekNumbers) {
+                    weekText = dateEnv.format(range.start, WEEK_HEADER_FORMAT);
+                    return '' +
+                        '<th class="fc-axis fc-week-number ' + theme.getClass('widgetHeader') + '" ' + _this.axisStyleAttr() + '>' +
+                        core.buildGotoAnchorHtml(// aside from link, important for matchCellWidths
+                        options, dateEnv, { date: range.start, type: 'week', forceOff: dayCnt > 1 }, core.htmlEscape(weekText) // inner HTML
+                        ) +
+                        '</th>';
+                }
+                else {
+                    return '<th class="fc-axis ' + theme.getClass('widgetHeader') + '" ' + _this.axisStyleAttr() + '></th>';
+                }
+            };
+            /* Time Grid Render Methods
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that goes before the bg of the TimeGrid slot area. Long vertical column.
+            _this.renderTimeGridBgIntroHtml = function () {
+                var theme = _this.context.theme;
+                return '<td class="fc-axis ' + theme.getClass('widgetContent') + '" ' + _this.axisStyleAttr() + '></td>';
+            };
+            // Generates the HTML that goes before all other types of cells.
+            // Affects content-skeleton, mirror-skeleton, highlight-skeleton for both the time-grid and day-grid.
+            _this.renderTimeGridIntroHtml = function () {
+                return '<td class="fc-axis" ' + _this.axisStyleAttr() + '></td>';
+            };
+            /* Day Grid Render Methods
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that goes before the all-day cells
+            _this.renderDayGridBgIntroHtml = function () {
+                var _a = _this.context, theme = _a.theme, options = _a.options;
+                return '' +
+                    '<td class="fc-axis ' + theme.getClass('widgetContent') + '" ' + _this.axisStyleAttr() + '>' +
+                    '<span>' + // needed for matchCellWidths
+                    core.getAllDayHtml(options) +
+                    '</span>' +
+                    '</td>';
+            };
+            // Generates the HTML that goes before all other types of cells.
+            // Affects content-skeleton, mirror-skeleton, highlight-skeleton for both the time-grid and day-grid.
+            _this.renderDayGridIntroHtml = function () {
+                return '<td class="fc-axis" ' + _this.axisStyleAttr() + '></td>';
+            };
+            return _this;
+        }
+        AbstractTimeGridView.prototype.render = function (props, context) {
+            _super.prototype.render.call(this, props, context);
+            this.renderSkeleton(context);
+        };
+        AbstractTimeGridView.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.renderSkeleton.unrender();
+        };
+        AbstractTimeGridView.prototype._renderSkeleton = function (context) {
+            this.el.classList.add('fc-timeGrid-view');
+            this.el.innerHTML = this.renderSkeletonHtml();
+            this.scroller = new core.ScrollComponent('hidden', // overflow x
+            'auto' // overflow y
+            );
+            var timeGridWrapEl = this.scroller.el;
+            this.el.querySelector('.fc-body > tr > td').appendChild(timeGridWrapEl);
+            timeGridWrapEl.classList.add('fc-time-grid-container');
+            var timeGridEl = core.createElement('div', { className: 'fc-time-grid' });
+            timeGridWrapEl.appendChild(timeGridEl);
+            this.timeGrid = new TimeGrid(timeGridEl, {
+                renderBgIntroHtml: this.renderTimeGridBgIntroHtml,
+                renderIntroHtml: this.renderTimeGridIntroHtml
+            });
+            if (context.options.allDaySlot) { // should we display the "all-day" area?
+                this.dayGrid = new daygrid.DayGrid(// the all-day subcomponent of this view
+                this.el.querySelector('.fc-day-grid'), {
+                    renderNumberIntroHtml: this.renderDayGridIntroHtml,
+                    renderBgIntroHtml: this.renderDayGridBgIntroHtml,
+                    renderIntroHtml: this.renderDayGridIntroHtml,
+                    colWeekNumbersVisible: false,
+                    cellWeekNumbersVisible: false
+                });
+                // have the day-grid extend it's coordinate area over the <hr> dividing the two grids
+                var dividerEl = this.el.querySelector('.fc-divider');
+                this.dayGrid.bottomCoordPadding = dividerEl.getBoundingClientRect().height;
+            }
+        };
+        AbstractTimeGridView.prototype._unrenderSkeleton = function () {
+            this.el.classList.remove('fc-timeGrid-view');
+            this.timeGrid.destroy();
+            if (this.dayGrid) {
+                this.dayGrid.destroy();
+            }
+            this.scroller.destroy();
+        };
+        /* Rendering
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Builds the HTML skeleton for the view.
+        // The day-grid and time-grid components will render inside containers defined by this HTML.
+        AbstractTimeGridView.prototype.renderSkeletonHtml = function () {
+            var _a = this.context, theme = _a.theme, options = _a.options;
+            return '' +
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                (options.columnHeader ?
+                    '<thead class="fc-head">' +
+                        '<tr>' +
+                        '<td class="fc-head-container ' + theme.getClass('widgetHeader') + '">&nbsp;</td>' +
+                        '</tr>' +
+                        '</thead>' :
+                    '') +
+                '<tbody class="fc-body">' +
+                '<tr>' +
+                '<td class="' + theme.getClass('widgetContent') + '">' +
+                (options.allDaySlot ?
+                    '<div class="fc-day-grid"></div>' +
+                        '<hr class="fc-divider ' + theme.getClass('widgetHeader') + '" />' :
+                    '') +
+                '</td>' +
+                '</tr>' +
+                '</tbody>' +
+                '</table>';
+        };
+        /* Now Indicator
+        ------------------------------------------------------------------------------------------------------------------*/
+        AbstractTimeGridView.prototype.getNowIndicatorUnit = function () {
+            return this.timeGrid.getNowIndicatorUnit();
+        };
+        // subclasses should implement
+        // renderNowIndicator(date: DateMarker) {
+        // }
+        AbstractTimeGridView.prototype.unrenderNowIndicator = function () {
+            this.timeGrid.unrenderNowIndicator();
+        };
+        /* Dimensions
+        ------------------------------------------------------------------------------------------------------------------*/
+        AbstractTimeGridView.prototype.updateSize = function (isResize, viewHeight, isAuto) {
+            _super.prototype.updateSize.call(this, isResize, viewHeight, isAuto); // will call updateBaseSize. important that executes first
+            this.timeGrid.updateSize(isResize);
+            if (this.dayGrid) {
+                this.dayGrid.updateSize(isResize);
+            }
+        };
+        // Adjusts the vertical dimensions of the view to the specified values
+        AbstractTimeGridView.prototype.updateBaseSize = function (isResize, viewHeight, isAuto) {
+            var _this = this;
+            var eventLimit;
+            var scrollerHeight;
+            var scrollbarWidths;
+            // make all axis cells line up
+            this.axisWidth = core.matchCellWidths(core.findElements(this.el, '.fc-axis'));
+            // hack to give the view some height prior to timeGrid's columns being rendered
+            // TODO: separate setting height from scroller VS timeGrid.
+            if (!this.timeGrid.colEls) {
+                if (!isAuto) {
+                    scrollerHeight = this.computeScrollerHeight(viewHeight);
+                    this.scroller.setHeight(scrollerHeight);
+                }
+                return;
+            }
+            // set of fake row elements that must compensate when scroller has scrollbars
+            var noScrollRowEls = core.findElements(this.el, '.fc-row').filter(function (node) {
+                return !_this.scroller.el.contains(node);
+            });
+            // reset all dimensions back to the original state
+            this.timeGrid.bottomRuleEl.style.display = 'none'; // will be shown later if this <hr> is necessary
+            this.scroller.clear(); // sets height to 'auto' and clears overflow
+            noScrollRowEls.forEach(core.uncompensateScroll);
+            // limit number of events in the all-day area
+            if (this.dayGrid) {
+                this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed
+                eventLimit = this.context.options.eventLimit;
+                if (eventLimit && typeof eventLimit !== 'number') {
+                    eventLimit = TIMEGRID_ALL_DAY_EVENT_LIMIT; // make sure "auto" goes to a real number
+                }
+                if (eventLimit) {
+                    this.dayGrid.limitRows(eventLimit);
+                }
+            }
+            if (!isAuto) { // should we force dimensions of the scroll container?
+                scrollerHeight = this.computeScrollerHeight(viewHeight);
+                this.scroller.setHeight(scrollerHeight);
+                scrollbarWidths = this.scroller.getScrollbarWidths();
+                if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
+                    // make the all-day and header rows lines up
+                    noScrollRowEls.forEach(function (rowEl) {
+                        core.compensateScroll(rowEl, scrollbarWidths);
+                    });
+                    // the scrollbar compensation might have changed text flow, which might affect height, so recalculate
+                    // and reapply the desired height to the scroller.
+                    scrollerHeight = this.computeScrollerHeight(viewHeight);
+                    this.scroller.setHeight(scrollerHeight);
+                }
+                // guarantees the same scrollbar widths
+                this.scroller.lockOverflow(scrollbarWidths);
+                // if there's any space below the slats, show the horizontal rule.
+                // this won't cause any new overflow, because lockOverflow already called.
+                if (this.timeGrid.getTotalSlatHeight() < scrollerHeight) {
+                    this.timeGrid.bottomRuleEl.style.display = '';
+                }
+            }
+        };
+        // given a desired total height of the view, returns what the height of the scroller should be
+        AbstractTimeGridView.prototype.computeScrollerHeight = function (viewHeight) {
+            return viewHeight -
+                core.subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
+        };
+        /* Scroll
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Computes the initial pre-configured scroll state prior to allowing the user to change it
+        AbstractTimeGridView.prototype.computeDateScroll = function (duration) {
+            var top = this.timeGrid.computeTimeTop(duration);
+            // zoom can give weird floating-point values. rather scroll a little bit further
+            top = Math.ceil(top);
+            if (top) {
+                top++; // to overcome top border that slots beyond the first have. looks better
+            }
+            return { top: top };
+        };
+        AbstractTimeGridView.prototype.queryDateScroll = function () {
+            return { top: this.scroller.getScrollTop() };
+        };
+        AbstractTimeGridView.prototype.applyDateScroll = function (scroll) {
+            if (scroll.top !== undefined) {
+                this.scroller.setScrollTop(scroll.top);
+            }
+        };
+        // Generates an HTML attribute string for setting the width of the axis, if it is known
+        AbstractTimeGridView.prototype.axisStyleAttr = function () {
+            if (this.axisWidth != null) {
+                return 'style="width:' + this.axisWidth + 'px"';
+            }
+            return '';
+        };
+        return AbstractTimeGridView;
+    }(core.View));
+    AbstractTimeGridView.prototype.usesMinMaxTime = true; // indicates that minTime/maxTime affects rendering
+
+    var SimpleTimeGrid = /** @class */ (function (_super) {
+        __extends(SimpleTimeGrid, _super);
+        function SimpleTimeGrid(timeGrid) {
+            var _this = _super.call(this, timeGrid.el) || this;
+            _this.buildDayRanges = core.memoize(buildDayRanges);
+            _this.slicer = new TimeGridSlicer();
+            _this.timeGrid = timeGrid;
+            return _this;
+        }
+        SimpleTimeGrid.prototype.firstContext = function (context) {
+            context.calendar.registerInteractiveComponent(this, {
+                el: this.timeGrid.el
+            });
+        };
+        SimpleTimeGrid.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.context.calendar.unregisterInteractiveComponent(this);
+        };
+        SimpleTimeGrid.prototype.render = function (props, context) {
+            var dateEnv = this.context.dateEnv;
+            var dateProfile = props.dateProfile, dayTable = props.dayTable;
+            var dayRanges = this.dayRanges = this.buildDayRanges(dayTable, dateProfile, dateEnv);
+            this.timeGrid.receiveProps(__assign({}, this.slicer.sliceProps(props, dateProfile, null, context.calendar, this.timeGrid, dayRanges), { dateProfile: dateProfile, cells: dayTable.cells[0] }), context);
+        };
+        SimpleTimeGrid.prototype.renderNowIndicator = function (date) {
+            this.timeGrid.renderNowIndicator(this.slicer.sliceNowDate(date, this.timeGrid, this.dayRanges), date);
+        };
+        SimpleTimeGrid.prototype.buildPositionCaches = function () {
+            this.timeGrid.buildPositionCaches();
+        };
+        SimpleTimeGrid.prototype.queryHit = function (positionLeft, positionTop) {
+            var rawHit = this.timeGrid.positionToHit(positionLeft, positionTop);
+            if (rawHit) {
+                return {
+                    component: this.timeGrid,
+                    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 SimpleTimeGrid;
+    }(core.DateComponent));
+    function buildDayRanges(dayTable, dateProfile, dateEnv) {
+        var ranges = [];
+        for (var _i = 0, _a = dayTable.headerDates; _i < _a.length; _i++) {
+            var date = _a[_i];
+            ranges.push({
+                start: dateEnv.add(date, dateProfile.minTime),
+                end: dateEnv.add(date, dateProfile.maxTime)
+            });
+        }
+        return ranges;
+    }
+    var TimeGridSlicer = /** @class */ (function (_super) {
+        __extends(TimeGridSlicer, _super);
+        function TimeGridSlicer() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        TimeGridSlicer.prototype.sliceRange = function (range, dayRanges) {
+            var segs = [];
+            for (var col = 0; col < dayRanges.length; col++) {
+                var segRange = core.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 TimeGridSlicer;
+    }(core.Slicer));
+
+    var TimeGridView = /** @class */ (function (_super) {
+        __extends(TimeGridView, _super);
+        function TimeGridView() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.buildDayTable = core.memoize(buildDayTable);
+            return _this;
+        }
+        TimeGridView.prototype.render = function (props, context) {
+            _super.prototype.render.call(this, props, context); // for flags for updateSize. also _renderSkeleton/_unrenderSkeleton
+            var _a = this.props, dateProfile = _a.dateProfile, dateProfileGenerator = _a.dateProfileGenerator;
+            var nextDayThreshold = context.nextDayThreshold;
+            var dayTable = this.buildDayTable(dateProfile, dateProfileGenerator);
+            var splitProps = this.splitter.splitProps(props);
+            if (this.header) {
+                this.header.receiveProps({
+                    dateProfile: dateProfile,
+                    dates: dayTable.headerDates,
+                    datesRepDistinctDays: true,
+                    renderIntroHtml: this.renderHeadIntroHtml
+                }, context);
+            }
+            this.simpleTimeGrid.receiveProps(__assign({}, splitProps['timed'], { dateProfile: dateProfile,
+                dayTable: dayTable }), context);
+            if (this.simpleDayGrid) {
+                this.simpleDayGrid.receiveProps(__assign({}, splitProps['allDay'], { dateProfile: dateProfile,
+                    dayTable: dayTable,
+                    nextDayThreshold: nextDayThreshold, isRigid: false }), context);
+            }
+            this.startNowIndicator(dateProfile, dateProfileGenerator);
+        };
+        TimeGridView.prototype._renderSkeleton = function (context) {
+            _super.prototype._renderSkeleton.call(this, context);
+            if (context.options.columnHeader) {
+                this.header = new core.DayHeader(this.el.querySelector('.fc-head-container'));
+            }
+            this.simpleTimeGrid = new SimpleTimeGrid(this.timeGrid);
+            if (this.dayGrid) {
+                this.simpleDayGrid = new daygrid.SimpleDayGrid(this.dayGrid);
+            }
+        };
+        TimeGridView.prototype._unrenderSkeleton = function () {
+            _super.prototype._unrenderSkeleton.call(this);
+            if (this.header) {
+                this.header.destroy();
+            }
+            this.simpleTimeGrid.destroy();
+            if (this.simpleDayGrid) {
+                this.simpleDayGrid.destroy();
+            }
+        };
+        TimeGridView.prototype.renderNowIndicator = function (date) {
+            this.simpleTimeGrid.renderNowIndicator(date);
+        };
+        return TimeGridView;
+    }(AbstractTimeGridView));
+    function buildDayTable(dateProfile, dateProfileGenerator) {
+        var daySeries = new core.DaySeries(dateProfile.renderRange, dateProfileGenerator);
+        return new core.DayTable(daySeries, false);
+    }
+
+    var main = core.createPlugin({
+        defaultView: 'timeGridWeek',
+        views: {
+            timeGrid: {
+                class: TimeGridView,
+                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 }
+            }
+        }
+    });
+
+    exports.AbstractTimeGridView = AbstractTimeGridView;
+    exports.TimeGrid = TimeGrid;
+    exports.TimeGridSlicer = TimeGridSlicer;
+    exports.TimeGridView = TimeGridView;
+    exports.buildDayRanges = buildDayRanges;
+    exports.buildDayTable = buildDayTable;
+    exports.default = main;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+}));

+ 8740 - 0
js/fullcalendar.js

@@ -0,0 +1,8740 @@
+/*!
+FullCalendar Core Package v4.4.0
+Docs & License: https://fullcalendar.io/
+(c) 2019 Adam Shaw
+*/
+
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+    typeof define === 'function' && define.amd ? define(['exports'], factory) :
+    (global = global || self, factory(global.FullCalendar = {}));
+}(this, function (exports) { 'use strict';
+
+    // Creating
+    // ----------------------------------------------------------------------------------------------------------------
+    var elementPropHash = {
+        className: true,
+        colSpan: true,
+        rowSpan: true
+    };
+    var containerTagHash = {
+        '<tr': 'tbody',
+        '<td': 'tr'
+    };
+    function createElement(tagName, attrs, content) {
+        var el = document.createElement(tagName);
+        if (attrs) {
+            for (var attrName in attrs) {
+                if (attrName === 'style') {
+                    applyStyle(el, attrs[attrName]);
+                }
+                else if (elementPropHash[attrName]) {
+                    el[attrName] = attrs[attrName];
+                }
+                else {
+                    el.setAttribute(attrName, attrs[attrName]);
+                }
+            }
+        }
+        if (typeof content === 'string') {
+            el.innerHTML = content; // shortcut. no need to process HTML in any way
+        }
+        else if (content != null) {
+            appendToElement(el, content);
+        }
+        return el;
+    }
+    function htmlToElement(html) {
+        html = html.trim();
+        var container = document.createElement(computeContainerTag(html));
+        container.innerHTML = html;
+        return container.firstChild;
+    }
+    function htmlToElements(html) {
+        return Array.prototype.slice.call(htmlToNodeList(html));
+    }
+    function htmlToNodeList(html) {
+        html = html.trim();
+        var container = document.createElement(computeContainerTag(html));
+        container.innerHTML = html;
+        return container.childNodes;
+    }
+    // assumes html already trimmed and tag names are lowercase
+    function computeContainerTag(html) {
+        return containerTagHash[html.substr(0, 3) // faster than using regex
+        ] || 'div';
+    }
+    function appendToElement(el, content) {
+        var childNodes = normalizeContent(content);
+        for (var i = 0; i < childNodes.length; i++) {
+            el.appendChild(childNodes[i]);
+        }
+    }
+    function prependToElement(parent, content) {
+        var newEls = normalizeContent(content);
+        var afterEl = parent.firstChild || null; // if no firstChild, will append to end, but that's okay, b/c there were no children
+        for (var i = 0; i < newEls.length; i++) {
+            parent.insertBefore(newEls[i], afterEl);
+        }
+    }
+    function insertAfterElement(refEl, content) {
+        var newEls = normalizeContent(content);
+        var afterEl = refEl.nextSibling || null;
+        for (var i = 0; i < newEls.length; i++) {
+            refEl.parentNode.insertBefore(newEls[i], afterEl);
+        }
+    }
+    function normalizeContent(content) {
+        var els;
+        if (typeof content === 'string') {
+            els = htmlToElements(content);
+        }
+        else if (content instanceof Node) {
+            els = [content];
+        }
+        else { // Node[] or NodeList
+            els = Array.prototype.slice.call(content);
+        }
+        return els;
+    }
+    function removeElement(el) {
+        if (el.parentNode) {
+            el.parentNode.removeChild(el);
+        }
+    }
+    // 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
+    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
+    function findChildren(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;
+    }
+    // Attributes
+    // ----------------------------------------------------------------------------------------------------------------
+    function forceClassName(el, className, bool) {
+        if (bool) {
+            el.classList.add(className);
+        }
+        else {
+            el.classList.remove(className);
+        }
+    }
+    // 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;
+        }
+    }
+
+    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
+        };
+    }
+
+    // Logic for determining if, when the element is right-to-left, the scrollbar appears on the left side
+    var isRtlScrollbarOnLeft = null;
+    function getIsRtlScrollbarOnLeft() {
+        if (isRtlScrollbarOnLeft === null) {
+            isRtlScrollbarOnLeft = computeIsRtlScrollbarOnLeft();
+        }
+        return isRtlScrollbarOnLeft;
+    }
+    function computeIsRtlScrollbarOnLeft() {
+        var outerEl = createElement('div', {
+            style: {
+                position: 'absolute',
+                top: -1000,
+                left: 0,
+                border: 0,
+                padding: 0,
+                overflow: 'scroll',
+                direction: 'rtl'
+            }
+        }, '<div></div>');
+        document.body.appendChild(outerEl);
+        var innerEl = outerEl.firstChild;
+        var res = innerEl.getBoundingClientRect().left > outerEl.getBoundingClientRect().left;
+        removeElement(outerEl);
+        return res;
+    }
+    // The scrollbar width computations in computeEdges are sometimes flawed when it comes to
+    // retina displays, rounding, and IE11. Massage them into a usable value.
+    function sanitizeScrollbarWidth(width) {
+        width = Math.max(0, width); // no negatives
+        width = Math.round(width);
+        return width;
+    }
+
+    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;
+        // must use offset(Width|Height) because compatible with client(Width|Height)
+        var scrollbarLeftRight = sanitizeScrollbarWidth(el.offsetWidth - el.clientWidth - borderLeft - borderRight);
+        var scrollbarBottom = sanitizeScrollbarWidth(el.offsetHeight - el.clientHeight - 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) {
+        if (goWithinPadding === void 0) { goWithinPadding = false; }
+        var outerRect = 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 computeViewportRect() {
+        return {
+            left: window.pageXOffset,
+            right: window.pageXOffset + document.documentElement.clientWidth,
+            top: window.pageYOffset,
+            bottom: window.pageYOffset + document.documentElement.clientHeight
+        };
+    }
+    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;
+    }
+    function computeClippingRect(el) {
+        return getClippingParents(el)
+            .map(function (el) {
+            return computeInnerRect(el);
+        })
+            .concat(computeViewportRect())
+            .reduce(function (rect0, rect1) {
+            return intersectRects(rect0, rect1) || rect1; // should always intersect
+        });
+    }
+
+    // Stops a mouse/touch event from doing it's native browser action
+    function preventDefault(ev) {
+        ev.preventDefault();
+    }
+    // Event Delegation
+    // ----------------------------------------------------------------------------------------------------------------
+    function listenBySelector(container, eventType, selector, handler) {
+        function realHandler(ev) {
+            var matchedChild = elementClosest(ev.target, selector);
+            if (matchedChild) {
+                handler.call(matchedChild, ev, matchedChild);
+            }
+        }
+        container.addEventListener(eventType, realHandler);
+        return function () {
+            container.removeEventListener(eventType, realHandler);
+        };
+    }
+    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 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)
+    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();
+    }
+
+    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 normalizeObject(input);
+        }
+        else if (typeof input === 'number') {
+            return normalizeObject((_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 normalizeObject(obj) {
+        return {
+            years: obj.years || obj.year || 0,
+            months: obj.months || obj.month || 0,
+            days: (obj.days || obj.day || 0) +
+                getWeeksFromInput(obj) * 7,
+            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
+        };
+    }
+    function getWeeksFromInput(obj) {
+        return obj.weeks || obj.week || 0;
+    }
+    // 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, dontReturnWeeks) {
+        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 (!dontReturnWeeks && 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 };
+    }
+
+    /* FullCalendar-specific DOM Utilities
+    ----------------------------------------------------------------------------------------------------------------------*/
+    // Given the scrollbar widths of some other container, create borders/margins on rowEls in order to match the left
+    // and right space that was offset by the scrollbars. A 1-pixel border first, then margin beyond that.
+    function compensateScroll(rowEl, scrollbarWidths) {
+        if (scrollbarWidths.left) {
+            applyStyle(rowEl, {
+                borderLeftWidth: 1,
+                marginLeft: scrollbarWidths.left - 1
+            });
+        }
+        if (scrollbarWidths.right) {
+            applyStyle(rowEl, {
+                borderRightWidth: 1,
+                marginRight: scrollbarWidths.right - 1
+            });
+        }
+    }
+    // Undoes compensateScroll and restores all borders/margins
+    function uncompensateScroll(rowEl) {
+        applyStyle(rowEl, {
+            marginLeft: '',
+            marginRight: '',
+            borderLeftWidth: '',
+            borderRightWidth: ''
+        });
+    }
+    // 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');
+    }
+    // Given a total available height to fill, have `els` (essentially child rows) expand to accomodate.
+    // By default, all elements that are shorter than the recommended height are expanded uniformly, not considering
+    // any other els that are already too tall. if `shouldRedistribute` is on, it considers these tall rows and
+    // reduces the available height.
+    function distributeHeight(els, availableHeight, shouldRedistribute) {
+        // *FLOORING NOTE*: we floor in certain places because zoom can give inaccurate floating-point dimensions,
+        // and it is better to be shorter than taller, to avoid creating unnecessary scrollbars.
+        var minOffset1 = Math.floor(availableHeight / els.length); // for non-last element
+        var minOffset2 = Math.floor(availableHeight - minOffset1 * (els.length - 1)); // for last element *FLOORING NOTE*
+        var flexEls = []; // elements that are allowed to expand. array of DOM nodes
+        var flexOffsets = []; // amount of vertical space it takes up
+        var flexHeights = []; // actual css height
+        var usedHeight = 0;
+        undistributeHeight(els); // give all elements their natural height
+        // find elements that are below the recommended height (expandable).
+        // important to query for heights in a single first pass (to avoid reflow oscillation).
+        els.forEach(function (el, i) {
+            var minOffset = i === els.length - 1 ? minOffset2 : minOffset1;
+            var naturalHeight = el.getBoundingClientRect().height;
+            var naturalOffset = naturalHeight + computeVMargins(el);
+            if (naturalOffset < minOffset) {
+                flexEls.push(el);
+                flexOffsets.push(naturalOffset);
+                flexHeights.push(naturalHeight);
+            }
+            else {
+                // this element stretches past recommended height (non-expandable). mark the space as occupied.
+                usedHeight += naturalOffset;
+            }
+        });
+        // readjust the recommended height to only consider the height available to non-maxed-out rows.
+        if (shouldRedistribute) {
+            availableHeight -= usedHeight;
+            minOffset1 = Math.floor(availableHeight / flexEls.length);
+            minOffset2 = Math.floor(availableHeight - minOffset1 * (flexEls.length - 1)); // *FLOORING NOTE*
+        }
+        // assign heights to all expandable elements
+        flexEls.forEach(function (el, i) {
+            var minOffset = i === flexEls.length - 1 ? minOffset2 : minOffset1;
+            var naturalOffset = flexOffsets[i];
+            var naturalHeight = flexHeights[i];
+            var newHeight = minOffset - (naturalOffset - naturalHeight); // subtract the margin/padding
+            if (naturalOffset < minOffset) { // we check this again because redistribution might have changed things
+                el.style.height = newHeight + 'px';
+            }
+        });
+    }
+    // Undoes distrubuteHeight, restoring all els to their natural height
+    function undistributeHeight(els) {
+        els.forEach(function (el) {
+            el.style.height = '';
+        });
+    }
+    // Given `els`, a set of <td> cells, find the cell with the largest natural width and set the widths of all the
+    // cells to be that width.
+    // PREREQUISITE: if you want a cell to take up width, it needs to have a single inner element w/ display:inline
+    function matchCellWidths(els) {
+        var maxInnerWidth = 0;
+        els.forEach(function (el) {
+            var innerEl = el.firstChild; // hopefully an element
+            if (innerEl instanceof HTMLElement) {
+                var innerWidth_1 = innerEl.getBoundingClientRect().width;
+                if (innerWidth_1 > maxInnerWidth) {
+                    maxInnerWidth = innerWidth_1;
+                }
+            }
+        });
+        maxInnerWidth++; // sometimes not accurate of width the text needs to stay on one line. insurance
+        els.forEach(function (el) {
+            el.style.width = maxInnerWidth + 'px';
+        });
+        return maxInnerWidth;
+    }
+    // Given one element that resides inside another,
+    // Subtracts the height of the inner element from the outer element.
+    function subtractInnerElHeight(outerEl, innerEl) {
+        // effin' IE8/9/10/11 sometimes returns 0 for dimensions. this weird hack was the only thing that worked
+        var reflowStyleProps = {
+            position: 'relative',
+            left: -1 // ensure reflow in case the el was already relative. negative is less likely to cause new scroll
+        };
+        applyStyle(outerEl, reflowStyleProps);
+        applyStyle(innerEl, reflowStyleProps);
+        var diff = // grab the dimensions
+         outerEl.getBoundingClientRect().height -
+            innerEl.getBoundingClientRect().height;
+        // undo hack
+        var resetStyleProps = { position: '', left: '' };
+        applyStyle(outerEl, resetStyleProps);
+        applyStyle(innerEl, resetStyleProps);
+        return diff;
+    }
+    /* 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);
+    }
+    /* Object Ordering by Field
+    ----------------------------------------------------------------------------------------------------------------------*/
+    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 capitaliseFirstLetter(str) {
+        return str.charAt(0).toUpperCase() + str.slice(1);
+    }
+    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;
+    }
+    /* Weird Utilities
+    ----------------------------------------------------------------------------------------------------------------------*/
+    function applyAll(functions, thisObj, args) {
+        if (typeof functions === 'function') { // supplied a single function
+            functions = [functions];
+        }
+        if (functions) {
+            var i = void 0;
+            var ret = void 0;
+            for (i = 0; i < functions.length; i++) {
+                ret = functions[i].apply(thisObj, args) || ret;
+            }
+            return ret;
+        }
+    }
+    function firstDefined() {
+        var args = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            args[_i] = arguments[_i];
+        }
+        for (var i = 0; i < args.length; i++) {
+            if (args[i] !== undefined) {
+                return args[i];
+            }
+        }
+    }
+    // Returns a function, that, as long as it continues to be invoked, will not
+    // be triggered. The function will be called after it stops being called for
+    // N milliseconds. If `immediate` is passed, trigger the function on the
+    // leading edge, instead of the trailing.
+    // https://github.com/jashkenas/underscore/blob/1.6.0/underscore.js#L714
+    function debounce(func, wait) {
+        var timeout;
+        var args;
+        var context;
+        var timestamp;
+        var result;
+        var later = function () {
+            var last = new Date().valueOf() - timestamp;
+            if (last < wait) {
+                timeout = setTimeout(later, wait - last);
+            }
+            else {
+                timeout = null;
+                result = func.apply(context, args);
+                context = args = null;
+            }
+        };
+        return function () {
+            context = this;
+            args = arguments;
+            timestamp = new Date().valueOf();
+            if (!timeout) {
+                timeout = setTimeout(later, wait);
+            }
+            return result;
+        };
+    }
+    // Number and Boolean are only types that defaults or not computed for
+    // TODO: write more comments
+    function refineProps(rawProps, processors, defaults, leftoverProps) {
+        if (defaults === void 0) { defaults = {}; }
+        var refined = {};
+        for (var key in processors) {
+            var processor = processors[key];
+            if (rawProps[key] !== undefined) {
+                // found
+                if (processor === Function) {
+                    refined[key] = typeof rawProps[key] === 'function' ? rawProps[key] : null;
+                }
+                else if (processor) { // a refining function?
+                    refined[key] = processor(rawProps[key]);
+                }
+                else {
+                    refined[key] = rawProps[key];
+                }
+            }
+            else if (defaults[key] !== undefined) {
+                // there's an explicit default
+                refined[key] = defaults[key];
+            }
+            else {
+                // must compute a default
+                if (processor === String) {
+                    refined[key] = ''; // empty string is default for String
+                }
+                else if (!processor || processor === Number || processor === Boolean || processor === Function) {
+                    refined[key] = null; // assign null for other non-custom processor funcs
+                }
+                else {
+                    refined[key] = processor(null); // run the custom processor func
+                }
+            }
+        }
+        if (leftoverProps) {
+            for (var key in rawProps) {
+                if (processors[key] === undefined) {
+                    leftoverProps[key] = rawProps[key];
+                }
+            }
+        }
+        return refined;
+    }
+    /* 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
+        }
+    }
+
+    /*! *****************************************************************************
+    Copyright (c) Microsoft Corporation. All rights reserved.
+    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+    this file except in compliance with the License. You may obtain a copy of the
+    License at http://www.apache.org/licenses/LICENSE-2.0
+
+    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+    MERCHANTABLITY OR NON-INFRINGEMENT.
+
+    See the Apache Version 2.0 License for specific language governing permissions
+    and limitations under the License.
+    ***************************************************************************** */
+    /* 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 parseRecurring(eventInput, allDayDefault, dateEnv, recurringTypes, leftovers) {
+        for (var i = 0; i < recurringTypes.length; i++) {
+            var localLeftovers = {};
+            var parsed = recurringTypes[i].parse(eventInput, localLeftovers, dateEnv);
+            if (parsed) {
+                var allDay = localLeftovers.allDay;
+                delete localLeftovers.allDay; // remove from leftovers
+                if (allDay == null) {
+                    allDay = allDayDefault;
+                    if (allDay == null) {
+                        allDay = parsed.allDayGuess;
+                        if (allDay == null) {
+                            allDay = false;
+                        }
+                    }
+                }
+                __assign(leftovers, localLeftovers);
+                return {
+                    allDay: allDay,
+                    duration: parsed.duration,
+                    typeData: parsed.typeData,
+                    typeId: i
+                };
+            }
+        }
+        return null;
+    }
+    /*
+    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 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, complexProps) {
+        var dest = {};
+        var i;
+        var name;
+        var complexObjs;
+        var j;
+        var val;
+        var props;
+        if (complexProps) {
+            for (i = 0; i < complexProps.length; i++) {
+                name = complexProps[i];
+                complexObjs = [];
+                // collect the trailing object values, stopping when a non-object is discovered
+                for (j = propObjs.length - 1; j >= 0; j--) {
+                    val = propObjs[j][name];
+                    if (typeof val === 'object' && val) { // non-null object
+                        complexObjs.unshift(val);
+                    }
+                    else if (val !== undefined) {
+                        dest[name] = 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] = mergeProps(complexObjs);
+                }
+            }
+        }
+        // copy values into the destination, going from last to first
+        for (i = propObjs.length - 1; i >= 0; i--) {
+            props = propObjs[i];
+            for (name in props) {
+                if (!(name in dest)) { // if already assigned by previous props or complex props, don't reassign
+                    dest[name] = props[name];
+                }
+            }
+        }
+        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 hashValuesToArray(obj) {
+        var a = [];
+        for (var key in obj) {
+            a.push(obj[key]);
+        }
+        return a;
+    }
+    function isPropsEqual(obj0, obj1) {
+        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 parseEvents(rawEvents, sourceId, calendar, allowOpenRange) {
+        var eventStore = createEmptyEventStore();
+        for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) {
+            var rawEvent = rawEvents_1[_i];
+            var tuple = parseEvent(rawEvent, sourceId, calendar, allowOpenRange);
+            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;
+    }
+    function expandRecurring(eventStore, framingRange, calendar) {
+        var dateEnv = calendar.dateEnv;
+        var defs = eventStore.defs, instances = eventStore.instances;
+        // remove existing recurring instances
+        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 ?
+                        calendar.defaultAllDayEventDuration :
+                        calendar.defaultTimedEventDuration;
+                }
+                var starts = expandRecurringRanges(def, duration, framingRange, calendar.dateEnv, calendar.pluginSystem.hooks.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 };
+    }
+    // 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 transformRawEvents(rawEvents, eventSource, calendar) {
+        var calEachTransform = calendar.opt('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_2 = rawEvents; _i < rawEvents_2.length; _i++) {
+                var rawEvent = rawEvents_2[_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 createEmptyEventStore() {
+        return { defs: {}, instances: {} };
+    }
+    function mergeEventStores(store0, store1) {
+        return {
+            defs: __assign({}, store0.defs, store1.defs),
+            instances: __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 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;
+    }
+
+    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) {
+        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 (a0[i] !== a1[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    function memoize(workerFunc) {
+        var args;
+        var res;
+        return function () {
+            if (!args || !isArraysEqual(args, arguments)) {
+                args = arguments;
+                res = workerFunc.apply(this, arguments);
+            }
+            return res;
+        };
+    }
+    /*
+    always executes the workerFunc, but if the result is equal to the previous result,
+    return the previous result instead.
+    */
+    function memoizeOutput(workerFunc, equalityFunc) {
+        var cachedRes = null;
+        return function () {
+            var newRes = workerFunc.apply(this, arguments);
+            if (cachedRes === null || !(cachedRes === newRes || equalityFunc(cachedRes, newRes))) {
+                cachedRes = newRes;
+            }
+            return cachedRes;
+        };
+    }
+
+    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 = /\u200e/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) {
+                        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) {
+            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 || '';
+            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';
+                default:
+                    return 'day';
+            }
+        };
+        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.weekLabel, 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, weekLabel, locale, display) {
+        var parts = [];
+        if (display === 'narrow') {
+            parts.push(weekLabel);
+        }
+        else if (display === 'short') {
+            parts.push(weekLabel, ' ');
+        }
+        // otherwise, considered 'numeric'
+        parts.push(locale.simpleNumberFormat.format(num));
+        if (locale.options.isRtl) { // 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;
+    }
+
+    /*
+    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, separator) {
+            this.cmdStr = cmdStr;
+            this.separator = separator;
+        }
+        CmdFormatter.prototype.format = function (date, context) {
+            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(date, null, context, this.separator));
+        };
+        CmdFormatter.prototype.formatRange = function (start, end, context) {
+            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(start, end, context, this.separator));
+        };
+        return CmdFormatter;
+    }());
+
+    var FuncFormatter = /** @class */ (function () {
+        function FuncFormatter(func) {
+            this.func = func;
+        }
+        FuncFormatter.prototype.format = function (date, context) {
+            return this.func(createVerboseFormattingArg(date, null, context));
+        };
+        FuncFormatter.prototype.formatRange = function (start, end, context) {
+            return this.func(createVerboseFormattingArg(start, end, context));
+        };
+        return FuncFormatter;
+    }());
+
+    // Formatter Object Creation
+    function createFormatter(input, defaultSeparator) {
+        if (typeof input === 'object' && input) { // non-null object
+            if (typeof defaultSeparator === 'string') {
+                input = __assign({ separator: defaultSeparator }, input);
+            }
+            return new NativeFormatter(input);
+        }
+        else if (typeof input === 'string') {
+            return new CmdFormatter(input, defaultSeparator);
+        }
+        else if (typeof input === 'function') {
+            return new FuncFormatter(input);
+        }
+    }
+    // String Utils
+    // 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;
+    }
+    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) : '');
+        }
+    }
+    // Arg Utils
+    function createVerboseFormattingArg(start, end, context, separator) {
+        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,
+            separator: separator
+        };
+    }
+    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]
+        };
+    }
+
+    var EventSourceApi = /** @class */ (function () {
+        function EventSourceApi(calendar, internalEventSource) {
+            this.calendar = calendar;
+            this.internalEventSource = internalEventSource;
+        }
+        EventSourceApi.prototype.remove = function () {
+            this.calendar.dispatch({
+                type: 'REMOVE_EVENT_SOURCE',
+                sourceId: this.internalEventSource.sourceId
+            });
+        };
+        EventSourceApi.prototype.refetch = function () {
+            this.calendar.dispatch({
+                type: 'FETCH_EVENT_SOURCES',
+                sourceIds: [this.internalEventSource.sourceId]
+            });
+        };
+        Object.defineProperty(EventSourceApi.prototype, "id", {
+            get: function () {
+                return this.internalEventSource.publicId;
+            },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventSourceApi.prototype, "url", {
+            // only relevant to json-feed event sources
+            get: function () {
+                return this.internalEventSource.meta.url;
+            },
+            enumerable: true,
+            configurable: true
+        });
+        return EventSourceApi;
+    }());
+
+    var EventApi = /** @class */ (function () {
+        function EventApi(calendar, def, instance) {
+            this._calendar = calendar;
+            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 DATE_PROPS) ;
+            else if (name in NON_DATE_PROPS) {
+                if (typeof NON_DATE_PROPS[name] === 'function') {
+                    val = NON_DATE_PROPS[name](val);
+                }
+                this.mutate({
+                    standardProps: (_a = {}, _a[name] = val, _a)
+                });
+            }
+            else if (name in UNSCOPED_EVENT_UI_PROPS) {
+                var ui = void 0;
+                if (typeof UNSCOPED_EVENT_UI_PROPS[name] === 'function') {
+                    val = UNSCOPED_EVENT_UI_PROPS[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 }
+                });
+            }
+        };
+        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._calendar.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._calendar.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._calendar.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._calendar.opt('allDayMaintainDuration');
+            }
+            if (this._def.allDay !== allDay) {
+                standardProps.hasEnd = maintainDuration;
+            }
+            this.mutate({ standardProps: standardProps });
+        };
+        EventApi.prototype.formatRange = function (formatInput) {
+            var dateEnv = this._calendar.dateEnv;
+            var instance = this._instance;
+            var formatter = createFormatter(formatInput, this._calendar.opt('defaultRangeSeparator'));
+            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 def = this._def;
+            var instance = this._instance;
+            if (instance) {
+                this._calendar.dispatch({
+                    type: 'MUTATE_EVENTS',
+                    instanceId: instance.instanceId,
+                    mutation: mutation,
+                    fromApi: true
+                });
+                var eventStore = this._calendar.state.eventStore;
+                this._def = eventStore.defs[def.defId];
+                this._instance = eventStore.instances[instance.instanceId];
+            }
+        };
+        EventApi.prototype.remove = function () {
+            this._calendar.dispatch({
+                type: 'REMOVE_EVENT_DEF',
+                defId: this._def.defId
+            });
+        };
+        Object.defineProperty(EventApi.prototype, "source", {
+            get: function () {
+                var sourceId = this._def.sourceId;
+                if (sourceId) {
+                    return new EventSourceApi(this._calendar, this._calendar.state.eventSources[sourceId]);
+                }
+                return null;
+            },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "start", {
+            get: function () {
+                return this._instance ?
+                    this._calendar.dateEnv.toDate(this._instance.range.start) :
+                    null;
+            },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "end", {
+            get: function () {
+                return (this._instance && this._def.hasEnd) ?
+                    this._calendar.dateEnv.toDate(this._instance.range.end) :
+                    null;
+            },
+            enumerable: true,
+            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: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "groupId", {
+            get: function () { return this._def.groupId; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "allDay", {
+            get: function () { return this._def.allDay; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "title", {
+            get: function () { return this._def.title; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "url", {
+            get: function () { return this._def.url; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "rendering", {
+            get: function () { return this._def.rendering; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "startEditable", {
+            get: function () { return this._def.ui.startEditable; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "durationEditable", {
+            get: function () { return this._def.ui.durationEditable; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "constraint", {
+            get: function () { return this._def.ui.constraints[0] || null; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "overlap", {
+            get: function () { return this._def.ui.overlap; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "allow", {
+            get: function () { return this._def.ui.allows[0] || null; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "backgroundColor", {
+            get: function () { return this._def.ui.backgroundColor; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "borderColor", {
+            get: function () { return this._def.ui.borderColor; },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "textColor", {
+            get: function () { return this._def.ui.textColor; },
+            enumerable: true,
+            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: true,
+            configurable: true
+        });
+        Object.defineProperty(EventApi.prototype, "extendedProps", {
+            get: function () { return this._def.extendedProps; },
+            enumerable: true,
+            configurable: true
+        });
+        return EventApi;
+    }());
+
+    /*
+    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];
+            if (def.rendering === '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 (def.rendering === 'inverse-background') {
+                    if (def.groupId) {
+                        inverseBgByGroupId[def.groupId].push(slicedRange);
+                    }
+                    else {
+                        inverseBgByDefId[instance.defId].push(slicedRange);
+                    }
+                }
+                else {
+                    (def.rendering === '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.rendering === 'background' || def.rendering === 'inverse-background';
+    }
+    function filterSegsViaEls(context, segs, isMirror) {
+        var calendar = context.calendar, view = context.view;
+        if (calendar.hasPublicHandlers('eventRender')) {
+            segs = segs.filter(function (seg) {
+                var custom = calendar.publiclyTrigger('eventRender', [
+                    {
+                        event: new EventApi(calendar, seg.eventRange.def, seg.eventRange.instance),
+                        isMirror: isMirror,
+                        isStart: seg.isStart,
+                        isEnd: seg.isEnd,
+                        // TODO: include seg.range once all components consistently generate it
+                        el: seg.el,
+                        view: view
+                    }
+                ]);
+                if (custom === false) { // means don't render at all
+                    return false;
+                }
+                else if (custom && custom !== true) {
+                    seg.el = custom;
+                }
+                return true;
+            });
+        }
+        for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
+            var seg = segs_1[_i];
+            setElSeg(seg.el, seg);
+        }
+        return segs;
+    }
+    function setElSeg(el, seg) {
+        el.fcSeg = seg;
+    }
+    function getElSeg(el) {
+        return el.fcSeg || 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);
+    }
+    // triggers
+    function triggerRenderedSegs(context, segs, isMirrors) {
+        var calendar = context.calendar, view = context.view;
+        if (calendar.hasPublicHandlers('eventPositioned')) {
+            for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
+                var seg = segs_2[_i];
+                calendar.publiclyTriggerAfterSizing('eventPositioned', [
+                    {
+                        event: new EventApi(calendar, seg.eventRange.def, seg.eventRange.instance),
+                        isMirror: isMirrors,
+                        isStart: seg.isStart,
+                        isEnd: seg.isEnd,
+                        el: seg.el,
+                        view: view
+                    }
+                ]);
+            }
+        }
+        if (!calendar.state.loadingLevel) { // avoid initial empty state while pending
+            calendar.afterSizingTriggers._eventsPositioned = [null]; // fire once
+        }
+    }
+    function triggerWillRemoveSegs(context, segs, isMirrors) {
+        var calendar = context.calendar, view = context.view;
+        for (var _i = 0, segs_3 = segs; _i < segs_3.length; _i++) {
+            var seg = segs_3[_i];
+            calendar.trigger('eventElRemove', seg.el);
+        }
+        if (calendar.hasPublicHandlers('eventDestroy')) {
+            for (var _a = 0, segs_4 = segs; _a < segs_4.length; _a++) {
+                var seg = segs_4[_a];
+                calendar.publiclyTrigger('eventDestroy', [
+                    {
+                        event: new EventApi(calendar, seg.eventRange.def, seg.eventRange.instance),
+                        isMirror: isMirrors,
+                        el: seg.el,
+                        view: view
+                    }
+                ]);
+            }
+        }
+    }
+    // is-interactable
+    function computeEventDraggable(context, eventDef, eventUi) {
+        var calendar = context.calendar, view = context.view;
+        var transformers = calendar.pluginSystem.hooks.isDraggableTransformers;
+        var val = eventUi.startEditable;
+        for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) {
+            var transformer = transformers_1[_i];
+            val = transformer(val, eventDef, eventUi, view);
+        }
+        return val;
+    }
+    function computeEventStartResizable(context, eventDef, eventUi) {
+        return eventUi.durationEditable && context.options.eventResizableFromStart;
+    }
+    function computeEventEndResizable(context, eventDef, eventUi) {
+        return eventUi.durationEditable;
+    }
+
+    // applies the mutation to ALL defs/instances within the event store
+    function applyMutationToEventStore(eventStore, eventConfigBase, mutation, calendar) {
+        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, calendar.pluginSystem.hooks.eventDefMutationAppliers, calendar);
+        }
+        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, calendar);
+        }
+        return dest;
+    }
+    function applyMutationToEventDef(eventDef, eventConfig, mutation, appliers, calendar) {
+        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({}, eventDef, standardProps, { ui: __assign({}, eventDef.ui, standardProps.ui) });
+        if (mutation.extendedProps) {
+            copy.extendedProps = __assign({}, copy.extendedProps, mutation.extendedProps);
+        }
+        for (var _i = 0, appliers_1 = appliers; _i < appliers_1.length; _i++) {
+            var applier = appliers_1[_i];
+            applier(copy, mutation, calendar);
+        }
+        if (!copy.hasEnd && calendar.opt('forceEventDuration')) {
+            copy.hasEnd = true;
+        }
+        return copy;
+    }
+    function applyMutationToEventInstance(eventInstance, eventDef, // must first be modified by applyMutationToEventDef
+    eventConfig, mutation, calendar) {
+        var dateEnv = calendar.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: calendar.getDefaultEventEnd(eventDef.allDay, copy.range.start)
+            };
+        }
+        // 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 = calendar.getDefaultEventEnd(eventDef.allDay, copy.range.start);
+        }
+        return copy;
+    }
+
+    function reduceEventStore (eventStore, action, eventSources, dateProfile, calendar) {
+        switch (action.type) {
+            case 'RECEIVE_EVENTS': // raw
+                return receiveRawEvents(eventStore, eventSources[action.sourceId], action.fetchId, action.fetchRange, action.rawEvents, calendar);
+            case 'ADD_EVENTS': // already parsed, but not expanded
+                return addEvent(eventStore, action.eventStore, // new ones
+                dateProfile ? dateProfile.activeRange : null, calendar);
+            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 'SET_DATE':
+            case 'SET_VIEW_TYPE':
+                if (dateProfile) {
+                    return expandRecurring(eventStore, dateProfile.activeRange, calendar);
+                }
+                else {
+                    return eventStore;
+                }
+            case 'CHANGE_TIMEZONE':
+                return rezoneDates(eventStore, action.oldDateEnv, calendar.dateEnv);
+            case 'MUTATE_EVENTS':
+                return applyMutationToRelated(eventStore, action.instanceId, action.mutation, action.fromApi, calendar);
+            case 'REMOVE_EVENT_INSTANCES':
+                return excludeInstances(eventStore, action.instances);
+            case 'REMOVE_EVENT_DEF':
+                return filterEventStoreDefs(eventStore, function (eventDef) {
+                    return eventDef.defId !== action.defId;
+                });
+            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();
+            case 'RESET_EVENTS':
+                return {
+                    defs: eventStore.defs,
+                    instances: eventStore.instances
+                };
+            default:
+                return eventStore;
+        }
+    }
+    function receiveRawEvents(eventStore, eventSource, fetchId, fetchRange, rawEvents, calendar) {
+        if (eventSource && // not already removed
+            fetchId === eventSource.latestFetchId // TODO: wish this logic was always in event-sources
+        ) {
+            var subset = parseEvents(transformRawEvents(rawEvents, eventSource, calendar), eventSource.sourceId, calendar);
+            if (fetchRange) {
+                subset = expandRecurring(subset, fetchRange, calendar);
+            }
+            return mergeEventStores(excludeEventsBySourceId(eventStore, eventSource.sourceId), subset);
+        }
+        return eventStore;
+    }
+    function addEvent(eventStore, subset, expandRange, calendar) {
+        if (expandRange) {
+            subset = expandRecurring(subset, expandRange, calendar);
+        }
+        return mergeEventStores(eventStore, subset);
+    }
+    function rezoneDates(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({}, 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 applyMutationToRelated(eventStore, instanceId, mutation, fromApi, calendar) {
+        var relevant = getRelevantEvents(eventStore, instanceId);
+        var eventConfigBase = fromApi ?
+            { '': {
+                    startEditable: true,
+                    durationEditable: true,
+                    constraints: [],
+                    overlap: null,
+                    allows: [],
+                    backgroundColor: '',
+                    borderColor: '',
+                    textColor: '',
+                    classNames: []
+                } } :
+            calendar.eventUiBases;
+        relevant = applyMutationToEventStore(relevant, eventConfigBase, mutation, calendar);
+        return mergeEventStores(eventStore, relevant);
+    }
+    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, calendar) {
+        return isNewPropsValid({ eventDrag: interaction }, calendar); // HACK: the eventDrag props is used for ALL interactions
+    }
+    function isDateSelectionValid(dateSelection, calendar) {
+        return isNewPropsValid({ dateSelection: dateSelection }, calendar);
+    }
+    function isNewPropsValid(newProps, calendar) {
+        var view = calendar.view;
+        var props = __assign({ businessHours: view ? view.props.businessHours : createEmptyEventStore(), dateSelection: '', eventStore: calendar.state.eventStore, eventUiBases: calendar.eventUiBases, eventSelection: '', eventDrag: null, eventResize: null }, newProps);
+        return (calendar.pluginSystem.hooks.isPropsValid || isPropsValid)(props, calendar);
+    }
+    function isPropsValid(state, calendar, dateSpanMeta, filterConfig) {
+        if (dateSpanMeta === void 0) { dateSpanMeta = {}; }
+        if (state.eventDrag && !isInteractionPropsValid(state, calendar, dateSpanMeta, filterConfig)) {
+            return false;
+        }
+        if (state.dateSelection && !isDateSelectionPropsValid(state, calendar, dateSpanMeta, filterConfig)) {
+            return false;
+        }
+        return true;
+    }
+    // Moving Event Validation
+    // ------------------------------------------------------------------------------------------------------------------------
+    function isInteractionPropsValid(state, calendar, dateSpanMeta, filterConfig) {
+        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 :
+            { '': calendar.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, calendar)) {
+                return false;
+            }
+            // overlap
+            var overlapFunc = calendar.opt('eventOverlap');
+            if (typeof overlapFunc !== 'function') {
+                overlapFunc = 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 (overlapFunc && !overlapFunc(new EventApi(calendar, otherDefs[otherInstance.defId], otherInstance), // still event
+                    new EventApi(calendar, subjectDef, subjectInstance) // moving event
+                    )) {
+                        return false;
+                    }
+                }
+            }
+            // allow (a function)
+            var calendarEventStore = calendar.state.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({}, 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(calendar, origDef, origInstance);
+                }
+                else { // was an external event
+                    eventApi = new EventApi(calendar, subjectDef); // no instance, because had no dates
+                }
+                if (!subjectAllow(calendar.buildDateSpanApi(subjectDateSpan), eventApi)) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+    // Date Selection Validation
+    // ------------------------------------------------------------------------------------------------------------------------
+    function isDateSelectionPropsValid(state, calendar, dateSpanMeta, filterConfig) {
+        var relevantEventStore = state.eventStore;
+        var relevantDefs = relevantEventStore.defs;
+        var relevantInstances = relevantEventStore.instances;
+        var selection = state.dateSelection;
+        var selectionRange = selection.range;
+        var selectionConfig = calendar.selectionConfig;
+        if (filterConfig) {
+            selectionConfig = filterConfig(selectionConfig);
+        }
+        // constraint
+        if (!allConstraintsPass(selectionConfig.constraints, selectionRange, relevantEventStore, state.businessHours, calendar)) {
+            return false;
+        }
+        // overlap
+        var overlapFunc = calendar.opt('selectOverlap');
+        if (typeof overlapFunc !== 'function') {
+            overlapFunc = null;
+        }
+        for (var relevantInstanceId in relevantInstances) {
+            var relevantInstance = relevantInstances[relevantInstanceId];
+            // intersect! evaluate
+            if (rangesIntersect(selectionRange, relevantInstance.range)) {
+                if (selectionConfig.overlap === false) {
+                    return false;
+                }
+                if (overlapFunc && !overlapFunc(new EventApi(calendar, relevantDefs[relevantInstance.defId], relevantInstance))) {
+                    return false;
+                }
+            }
+        }
+        // allow (a function)
+        for (var _i = 0, _a = selectionConfig.allows; _i < _a.length; _i++) {
+            var selectionAllow = _a[_i];
+            var fullDateSpan = __assign({}, dateSpanMeta, selection);
+            if (!selectionAllow(calendar.buildDateSpanApi(fullDateSpan), null)) {
+                return false;
+            }
+        }
+        return true;
+    }
+    // Constraint Utils
+    // ------------------------------------------------------------------------------------------------------------------------
+    function allConstraintsPass(constraints, subjectRange, otherEventStore, businessHoursUnexpanded, calendar) {
+        for (var _i = 0, constraints_1 = constraints; _i < constraints_1.length; _i++) {
+            var constraint = constraints_1[_i];
+            if (!anyRangesContainRange(constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, calendar), 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'
+    calendar // for expanding businesshours
+    ) {
+        if (constraint === 'businessHours') {
+            return eventStoreToRanges(expandRecurring(businessHoursUnexpanded, subjectRange, calendar));
+        }
+        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, calendar));
+        }
+        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;
+    }
+    // Parsing
+    // ------------------------------------------------------------------------------------------------------------------------
+    function normalizeConstraint(input, calendar) {
+        if (Array.isArray(input)) {
+            return parseEvents(input, '', calendar, true); // allowOpenRange=true
+        }
+        else if (typeof input === 'object' && input) { // non-null object
+            return parseEvents([input], '', calendar, true); // allowOpenRange=true
+        }
+        else if (input != null) {
+            return String(input);
+        }
+        else {
+            return null;
+        }
+    }
+
+    function htmlEscape(s) {
+        return (s + '').replace(/&/g, '&amp;')
+            .replace(/</g, '&lt;')
+            .replace(/>/g, '&gt;')
+            .replace(/'/g, '&#039;')
+            .replace(/"/g, '&quot;')
+            .replace(/\n/g, '<br />');
+    }
+    // Given a hash of CSS properties, returns a string of CSS.
+    // Uses property names as-is (no camel-case conversion). Will not make statements for null/undefined values.
+    function cssToStr(cssProps) {
+        var statements = [];
+        for (var name_1 in cssProps) {
+            var val = cssProps[name_1];
+            if (val != null && val !== '') {
+                statements.push(name_1 + ':' + val);
+            }
+        }
+        return statements.join(';');
+    }
+    // Given an object hash of HTML attribute names to values,
+    // generates a string that can be injected between < > in HTML
+    function attrsToStr(attrs) {
+        var parts = [];
+        for (var name_2 in attrs) {
+            var val = attrs[name_2];
+            if (val != null) {
+                parts.push(name_2 + '="' + htmlEscape(val) + '"');
+            }
+        }
+        return parts.join(' ');
+    }
+    function parseClassName(raw) {
+        if (Array.isArray(raw)) {
+            return raw;
+        }
+        else if (typeof raw === 'string') {
+            return raw.split(/\s+/);
+        }
+        else {
+            return [];
+        }
+    }
+
+    var UNSCOPED_EVENT_UI_PROPS = {
+        editable: Boolean,
+        startEditable: Boolean,
+        durationEditable: Boolean,
+        constraint: null,
+        overlap: null,
+        allow: null,
+        className: parseClassName,
+        classNames: parseClassName,
+        color: String,
+        backgroundColor: String,
+        borderColor: String,
+        textColor: String
+    };
+    function processUnscopedUiProps(rawProps, calendar, leftovers) {
+        var props = refineProps(rawProps, UNSCOPED_EVENT_UI_PROPS, {}, leftovers);
+        var constraint = normalizeConstraint(props.constraint, calendar);
+        return {
+            startEditable: props.startEditable != null ? props.startEditable : props.editable,
+            durationEditable: props.durationEditable != null ? props.durationEditable : props.editable,
+            constraints: constraint != null ? [constraint] : [],
+            overlap: props.overlap,
+            allows: props.allow != null ? [props.allow] : [],
+            backgroundColor: props.backgroundColor || props.color,
+            borderColor: props.borderColor || props.color,
+            textColor: props.textColor,
+            classNames: props.classNames.concat(props.className)
+        };
+    }
+    function processScopedUiProps(prefix, rawScoped, calendar, leftovers) {
+        var rawUnscoped = {};
+        var wasFound = {};
+        for (var key in UNSCOPED_EVENT_UI_PROPS) {
+            var scopedKey = prefix + capitaliseFirstLetter(key);
+            rawUnscoped[key] = rawScoped[scopedKey];
+            wasFound[scopedKey] = true;
+        }
+        if (prefix === 'event') {
+            rawUnscoped.editable = rawScoped.editable; // special case. there is no 'eventEditable', just 'editable'
+        }
+        if (leftovers) {
+            for (var key in rawScoped) {
+                if (!wasFound[key]) {
+                    leftovers[key] = rawScoped[key];
+                }
+            }
+        }
+        return processUnscopedUiProps(rawUnscoped, calendar);
+    }
+    var EMPTY_EVENT_UI = {
+        startEditable: null,
+        durationEditable: null,
+        constraints: [],
+        overlap: null,
+        allows: [],
+        backgroundColor: '',
+        borderColor: '',
+        textColor: '',
+        classNames: []
+    };
+    // prevent against problems with <2 args!
+    function combineEventUis(uis) {
+        return uis.reduce(combineTwoEventUis, EMPTY_EVENT_UI);
+    }
+    function combineTwoEventUis(item0, item1) {
+        return {
+            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 NON_DATE_PROPS = {
+        id: String,
+        groupId: String,
+        title: String,
+        url: String,
+        rendering: String,
+        extendedProps: null
+    };
+    var DATE_PROPS = {
+        start: null,
+        date: null,
+        end: null,
+        allDay: null
+    };
+    var uid = 0;
+    function parseEvent(raw, sourceId, calendar, allowOpenRange) {
+        var allDayDefault = computeIsAllDayDefault(sourceId, calendar);
+        var leftovers0 = {};
+        var recurringRes = parseRecurring(raw, // raw, but with single-event stuff stripped out
+        allDayDefault, calendar.dateEnv, calendar.pluginSystem.hooks.recurringTypes, leftovers0 // will populate with non-recurring props
+        );
+        if (recurringRes) {
+            var def = parseEventDef(leftovers0, sourceId, recurringRes.allDay, Boolean(recurringRes.duration), calendar);
+            def.recurringDef = {
+                typeId: recurringRes.typeId,
+                typeData: recurringRes.typeData,
+                duration: recurringRes.duration
+            };
+            return { def: def, instance: null };
+        }
+        else {
+            var leftovers1 = {};
+            var singleRes = parseSingle(raw, allDayDefault, calendar, leftovers1, allowOpenRange);
+            if (singleRes) {
+                var def = parseEventDef(leftovers1, sourceId, singleRes.allDay, singleRes.hasEnd, calendar);
+                var instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo);
+                return { def: def, instance: instance };
+            }
+        }
+        return null;
+    }
+    /*
+    Will NOT populate extendedProps with the leftover properties.
+    Will NOT populate date-related props.
+    The EventNonDateInput has been normalized (id => publicId, etc).
+    */
+    function parseEventDef(raw, sourceId, allDay, hasEnd, calendar) {
+        var leftovers = {};
+        var def = pluckNonDateProps(raw, calendar, leftovers);
+        def.defId = String(uid++);
+        def.sourceId = sourceId;
+        def.allDay = allDay;
+        def.hasEnd = hasEnd;
+        for (var _i = 0, _a = calendar.pluginSystem.hooks.eventDefParsers; _i < _a.length; _i++) {
+            var eventDefParser = _a[_i];
+            var newLeftovers = {};
+            eventDefParser(def, leftovers, newLeftovers);
+            leftovers = newLeftovers;
+        }
+        def.extendedProps = __assign(leftovers, def.extendedProps || {});
+        // help out EventApi from having user modify props
+        Object.freeze(def.ui.classNames);
+        Object.freeze(def.extendedProps);
+        return def;
+    }
+    function createEventInstance(defId, range, forcedStartTzo, forcedEndTzo) {
+        return {
+            instanceId: String(uid++),
+            defId: defId,
+            range: range,
+            forcedStartTzo: forcedStartTzo == null ? null : forcedStartTzo,
+            forcedEndTzo: forcedEndTzo == null ? null : forcedEndTzo
+        };
+    }
+    function parseSingle(raw, allDayDefault, calendar, leftovers, allowOpenRange) {
+        var props = pluckDateProps(raw, leftovers);
+        var allDay = props.allDay;
+        var startMeta;
+        var startMarker = null;
+        var hasEnd = false;
+        var endMeta;
+        var endMarker = null;
+        startMeta = calendar.dateEnv.createMarkerMeta(props.start);
+        if (startMeta) {
+            startMarker = startMeta.marker;
+        }
+        else if (!allowOpenRange) {
+            return null;
+        }
+        if (props.end != null) {
+            endMeta = calendar.dateEnv.createMarkerMeta(props.end);
+        }
+        if (allDay == null) {
+            if (allDayDefault != null) {
+                allDay = allDayDefault;
+            }
+            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 = calendar.opt('forceEventDuration') || false;
+            endMarker = calendar.dateEnv.add(startMarker, allDay ?
+                calendar.defaultAllDayEventDuration :
+                calendar.defaultTimedEventDuration);
+        }
+        return {
+            allDay: allDay,
+            hasEnd: hasEnd,
+            range: { start: startMarker, end: endMarker },
+            forcedStartTzo: startMeta ? startMeta.forcedTzo : null,
+            forcedEndTzo: endMeta ? endMeta.forcedTzo : null
+        };
+    }
+    function pluckDateProps(raw, leftovers) {
+        var props = refineProps(raw, DATE_PROPS, {}, leftovers);
+        props.start = (props.start !== null) ? props.start : props.date;
+        delete props.date;
+        return props;
+    }
+    function pluckNonDateProps(raw, calendar, leftovers) {
+        var preLeftovers = {};
+        var props = refineProps(raw, NON_DATE_PROPS, {}, preLeftovers);
+        var ui = processUnscopedUiProps(preLeftovers, calendar, leftovers);
+        props.publicId = props.id;
+        delete props.id;
+        props.ui = ui;
+        return props;
+    }
+    function computeIsAllDayDefault(sourceId, calendar) {
+        var res = null;
+        if (sourceId) {
+            var source = calendar.state.eventSources[sourceId];
+            res = source.allDayDefault;
+        }
+        if (res == null) {
+            res = calendar.opt('allDayDefault');
+        }
+        return res;
+    }
+
+    var DEF_DEFAULTS = {
+        startTime: '09:00',
+        endTime: '17:00',
+        daysOfWeek: [1, 2, 3, 4, 5],
+        rendering: 'inverse-background',
+        classNames: 'fc-nonbusiness',
+        groupId: '_businessHours' // so multiple defs get grouped
+    };
+    /*
+    TODO: pass around as EventDefHash!!!
+    */
+    function parseBusinessHours(input, calendar) {
+        return parseEvents(refineInputs(input), '', calendar);
+    }
+    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({}, DEF_DEFAULTS, rawDef);
+        });
+        return rawDefs;
+    }
+
+    function memoizeRendering(renderFunc, unrenderFunc, dependencies) {
+        if (dependencies === void 0) { dependencies = []; }
+        var dependents = [];
+        var thisContext;
+        var prevArgs;
+        function unrender() {
+            if (prevArgs) {
+                for (var _i = 0, dependents_1 = dependents; _i < dependents_1.length; _i++) {
+                    var dependent = dependents_1[_i];
+                    dependent.unrender();
+                }
+                if (unrenderFunc) {
+                    unrenderFunc.apply(thisContext, prevArgs);
+                }
+                prevArgs = null;
+            }
+        }
+        function res() {
+            if (!prevArgs || !isArraysEqual(prevArgs, arguments)) {
+                unrender();
+                thisContext = this;
+                prevArgs = arguments;
+                renderFunc.apply(this, arguments);
+            }
+        }
+        res.dependents = dependents;
+        res.unrender = unrender;
+        for (var _i = 0, dependencies_1 = dependencies; _i < dependencies_1.length; _i++) {
+            var dependency = dependencies_1[_i];
+            dependency.dependents.push(res);
+        }
+        return res;
+    }
+
+    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,
+                            origSeg: interaction.origSeg
+                        };
+                    }
+                };
+                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;
+    }
+
+    // Generates HTML for an anchor to another view into the calendar.
+    // Will either generate an <a> tag or a non-clickable <span> tag, depending on enabled settings.
+    // `gotoOptions` can either be a DateMarker, or an object with the form:
+    // { date, type, forceOff }
+    // `type` is a view-type like "day" or "week". default value is "day".
+    // `attrs` and `innerHtml` are use to generate the rest of the HTML tag.
+    function buildGotoAnchorHtml(allOptions, dateEnv, gotoOptions, attrs, innerHtml) {
+        var date;
+        var type;
+        var forceOff;
+        var finalOptions;
+        if (gotoOptions instanceof Date) {
+            date = gotoOptions; // a single date-like input
+        }
+        else {
+            date = gotoOptions.date;
+            type = gotoOptions.type;
+            forceOff = gotoOptions.forceOff;
+        }
+        finalOptions = {
+            date: dateEnv.formatIso(date, { omitTime: true }),
+            type: type || 'day'
+        };
+        if (typeof attrs === 'string') {
+            innerHtml = attrs;
+            attrs = null;
+        }
+        attrs = attrs ? ' ' + attrsToStr(attrs) : ''; // will have a leading space
+        innerHtml = innerHtml || '';
+        if (!forceOff && allOptions.navLinks) {
+            return '<a' + attrs +
+                ' data-goto="' + htmlEscape(JSON.stringify(finalOptions)) + '">' +
+                innerHtml +
+                '</a>';
+        }
+        else {
+            return '<span' + attrs + '>' +
+                innerHtml +
+                '</span>';
+        }
+    }
+    function getAllDayHtml(allOptions) {
+        return allOptions.allDayHtml || htmlEscape(allOptions.allDayText);
+    }
+    // Computes HTML classNames for a single-day element
+    function getDayClasses(date, dateProfile, context, noThemeHighlight) {
+        var calendar = context.calendar, options = context.options, theme = context.theme, dateEnv = context.dateEnv;
+        var classes = [];
+        var todayStart;
+        var todayEnd;
+        if (!rangeContainsMarker(dateProfile.activeRange, date)) {
+            classes.push('fc-disabled-day');
+        }
+        else {
+            classes.push('fc-' + DAY_IDS[date.getUTCDay()]);
+            if (options.monthMode &&
+                dateEnv.getMonth(date) !== dateEnv.getMonth(dateProfile.currentRange.start)) {
+                classes.push('fc-other-month');
+            }
+            todayStart = startOfDay(calendar.getNow());
+            todayEnd = addDays(todayStart, 1);
+            if (date < todayStart) {
+                classes.push('fc-past');
+            }
+            else if (date >= todayEnd) {
+                classes.push('fc-future');
+            }
+            else {
+                classes.push('fc-today');
+                if (noThemeHighlight !== true) {
+                    classes.push(theme.getClass('today'));
+                }
+            }
+        }
+        return classes;
+    }
+
+    // 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 Mixin = /** @class */ (function () {
+        function Mixin() {
+        }
+        // mix into a CLASS
+        Mixin.mixInto = function (destClass) {
+            this.mixIntoObj(destClass.prototype);
+        };
+        // mix into ANY object
+        Mixin.mixIntoObj = function (destObj) {
+            var _this = this;
+            Object.getOwnPropertyNames(this.prototype).forEach(function (name) {
+                if (!destObj[name]) { // if destination doesn't already define it
+                    destObj[name] = _this.prototype[name];
+                }
+            });
+        };
+        /*
+        will override existing methods
+        TODO: remove! not used anymore
+        */
+        Mixin.mixOver = function (destClass) {
+            var _this = this;
+            Object.getOwnPropertyNames(this.prototype).forEach(function (name) {
+                destClass.prototype[name] = _this.prototype[name];
+            });
+        };
+        return Mixin;
+    }());
+
+    /*
+    USAGE:
+      import { default as EmitterMixin, EmitterInterface } from './EmitterMixin'
+    in class:
+      on: EmitterInterface['on']
+      one: EmitterInterface['one']
+      off: EmitterInterface['off']
+      trigger: EmitterInterface['trigger']
+      triggerWith: EmitterInterface['triggerWith']
+      hasHandlers: EmitterInterface['hasHandlers']
+    after class:
+      EmitterMixin.mixInto(TheClass)
+    */
+    var EmitterMixin = /** @class */ (function (_super) {
+        __extends(EmitterMixin, _super);
+        function EmitterMixin() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        EmitterMixin.prototype.on = function (type, handler) {
+            addToHash(this._handlers || (this._handlers = {}), type, handler);
+            return this; // for chaining
+        };
+        // todo: add comments
+        EmitterMixin.prototype.one = function (type, handler) {
+            addToHash(this._oneHandlers || (this._oneHandlers = {}), type, handler);
+            return this; // for chaining
+        };
+        EmitterMixin.prototype.off = function (type, handler) {
+            if (this._handlers) {
+                removeFromHash(this._handlers, type, handler);
+            }
+            if (this._oneHandlers) {
+                removeFromHash(this._oneHandlers, type, handler);
+            }
+            return this; // for chaining
+        };
+        EmitterMixin.prototype.trigger = function (type) {
+            var args = [];
+            for (var _i = 1; _i < arguments.length; _i++) {
+                args[_i - 1] = arguments[_i];
+            }
+            this.triggerWith(type, this, args);
+            return this; // for chaining
+        };
+        EmitterMixin.prototype.triggerWith = function (type, context, args) {
+            if (this._handlers) {
+                applyAll(this._handlers[type], context, args);
+            }
+            if (this._oneHandlers) {
+                applyAll(this._oneHandlers[type], context, args);
+                delete this._oneHandlers[type]; // will never fire again
+            }
+            return this; // for chaining
+        };
+        EmitterMixin.prototype.hasHandlers = function (type) {
+            return (this._handlers && this._handlers[type] && this._handlers[type].length) ||
+                (this._oneHandlers && this._oneHandlers[type] && this._oneHandlers[type].length);
+        };
+        return EmitterMixin;
+    }(Mixin));
+    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.originEl = originEl;
+            this.els = els;
+            this.isHorizontal = isHorizontal;
+            this.isVertical = isVertical;
+        }
+        // Queries the els for coordinates and stores them.
+        // Call this method before using and of the get* methods below.
+        PositionCache.prototype.build = function () {
+            var originEl = this.originEl;
+            var originClientRect = this.originClientRect =
+                originEl.getBoundingClientRect(); // relative to viewport top-left
+            if (this.isHorizontal) {
+                this.buildElHorizontals(originClientRect.left);
+            }
+            if (this.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));
+
+    /*
+    Embodies a div that has potential scrollbars
+    */
+    var ScrollComponent = /** @class */ (function (_super) {
+        __extends(ScrollComponent, _super);
+        function ScrollComponent(overflowX, overflowY) {
+            var _this = _super.call(this, createElement('div', {
+                className: 'fc-scroller'
+            })) || this;
+            _this.overflowX = overflowX;
+            _this.overflowY = overflowY;
+            _this.applyOverflow();
+            return _this;
+        }
+        // sets to natural height, unlocks overflow
+        ScrollComponent.prototype.clear = function () {
+            this.setHeight('auto');
+            this.applyOverflow();
+        };
+        ScrollComponent.prototype.destroy = function () {
+            removeElement(this.el);
+        };
+        // Overflow
+        // -----------------------------------------------------------------------------------------------------------------
+        ScrollComponent.prototype.applyOverflow = function () {
+            applyStyle(this.el, {
+                overflowX: this.overflowX,
+                overflowY: this.overflowY
+            });
+        };
+        // Causes any 'auto' overflow values to resolves to 'scroll' or 'hidden'.
+        // Useful for preserving scrollbar widths regardless of future resizes.
+        // Can pass in scrollbarWidths for optimization.
+        ScrollComponent.prototype.lockOverflow = function (scrollbarWidths) {
+            var overflowX = this.overflowX;
+            var overflowY = this.overflowY;
+            scrollbarWidths = scrollbarWidths || this.getScrollbarWidths();
+            if (overflowX === 'auto') {
+                overflowX = (scrollbarWidths.bottom || // horizontal scrollbars?
+                    this.canScrollHorizontally() // OR scrolling pane with massless scrollbars?
+                ) ? 'scroll' : 'hidden';
+            }
+            if (overflowY === 'auto') {
+                overflowY = (scrollbarWidths.left || scrollbarWidths.right || // horizontal scrollbars?
+                    this.canScrollVertically() // OR scrolling pane with massless scrollbars?
+                ) ? 'scroll' : 'hidden';
+            }
+            applyStyle(this.el, { overflowX: overflowX, overflowY: overflowY });
+        };
+        ScrollComponent.prototype.setHeight = function (height) {
+            applyStyleProp(this.el, 'height', height);
+        };
+        ScrollComponent.prototype.getScrollbarWidths = function () {
+            var edges = computeEdges(this.el);
+            return {
+                left: edges.scrollbarLeft,
+                right: edges.scrollbarRight,
+                bottom: edges.scrollbarBottom
+            };
+        };
+        return ScrollComponent;
+    }(ElementScrollController));
+
+    var Theme = /** @class */ (function () {
+        function Theme(calendarOptions) {
+            this.calendarOptions = calendarOptions;
+            this.processIconOverride();
+        }
+        Theme.prototype.processIconOverride = function () {
+            if (this.iconOverrideOption) {
+                this.setIconOverride(this.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) {
+            var 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 = '';
+
+    var guid = 0;
+    var ComponentContext = /** @class */ (function () {
+        function ComponentContext(calendar, theme, dateEnv, options, view) {
+            this.calendar = calendar;
+            this.theme = theme;
+            this.dateEnv = dateEnv;
+            this.options = options;
+            this.view = view;
+            this.isRtl = options.dir === 'rtl';
+            this.eventOrderSpecs = parseFieldSpecs(options.eventOrder);
+            this.nextDayThreshold = createDuration(options.nextDayThreshold);
+        }
+        ComponentContext.prototype.extend = function (options, view) {
+            return new ComponentContext(this.calendar, this.theme, this.dateEnv, options || this.options, view || this.view);
+        };
+        return ComponentContext;
+    }());
+    var Component = /** @class */ (function () {
+        function Component() {
+            this.uid = String(guid++);
+        }
+        Component.addEqualityFuncs = function (newFuncs) {
+            this.prototype.equalityFuncs = __assign({}, this.prototype.equalityFuncs, newFuncs);
+        };
+        Component.prototype.receiveProps = function (props, context) {
+            var oldContext = this.context;
+            this.context = context;
+            if (!oldContext) {
+                this.firstContext(context);
+            }
+            var _a = recycleProps(this.props || {}, props, this.equalityFuncs), anyChanges = _a.anyChanges, comboProps = _a.comboProps;
+            this.props = comboProps;
+            if (anyChanges) {
+                if (oldContext) {
+                    this.beforeUpdate();
+                }
+                this.render(comboProps, context);
+                if (oldContext) {
+                    this.afterUpdate();
+                }
+            }
+        };
+        Component.prototype.render = function (props, context) {
+        };
+        Component.prototype.firstContext = function (context) {
+        };
+        Component.prototype.beforeUpdate = function () {
+        };
+        Component.prototype.afterUpdate = function () {
+        };
+        // after destroy is called, this component won't ever be used again
+        Component.prototype.destroy = function () {
+        };
+        return Component;
+    }());
+    Component.prototype.equalityFuncs = {};
+    /*
+    Reuses old values when equal. If anything is unequal, returns newProps as-is.
+    Great for PureComponent, but won't be feasible with React, so just eliminate and use React's DOM diffing.
+    */
+    function recycleProps(oldProps, newProps, equalityFuncs) {
+        var comboProps = {}; // some old, some new
+        var anyChanges = false;
+        for (var key in newProps) {
+            if (key in oldProps && (oldProps[key] === newProps[key] ||
+                (equalityFuncs[key] && equalityFuncs[key](oldProps[key], newProps[key])))) {
+                // equal to old? use old prop
+                comboProps[key] = oldProps[key];
+            }
+            else {
+                comboProps[key] = newProps[key];
+                anyChanges = true;
+            }
+        }
+        for (var key in oldProps) {
+            if (!(key in newProps)) {
+                anyChanges = true;
+                break;
+            }
+        }
+        return { anyChanges: anyChanges, comboProps: comboProps };
+    }
+
+    /*
+    PURPOSES:
+    - hook up to fg, fill, and mirror renderers
+    - interface for dragging and hits
+    */
+    var DateComponent = /** @class */ (function (_super) {
+        __extends(DateComponent, _super);
+        function DateComponent(el) {
+            var _this = _super.call(this) || this;
+            _this.el = el;
+            return _this;
+        }
+        DateComponent.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            removeElement(this.el);
+        };
+        // Hit System
+        // -----------------------------------------------------------------------------------------------------------------
+        DateComponent.prototype.buildPositionCaches = function () {
+        };
+        DateComponent.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) {
+            return null; // this should be abstract
+        };
+        // Validation
+        // -----------------------------------------------------------------------------------------------------------------
+        DateComponent.prototype.isInteractionValid = function (interaction) {
+            var calendar = this.context.calendar;
+            var dateProfile = this.props.dateProfile; // HACK
+            var instances = interaction.mutatedEvents.instances;
+            if (dateProfile) { // HACK for DayTile
+                for (var instanceId in instances) {
+                    if (!rangeContainsRange(dateProfile.validRange, instances[instanceId].range)) {
+                        return false;
+                    }
+                }
+            }
+            return isInteractionValid(interaction, calendar);
+        };
+        DateComponent.prototype.isDateSelectionValid = function (selection) {
+            var calendar = this.context.calendar;
+            var dateProfile = this.props.dateProfile; // HACK
+            if (dateProfile && // HACK for DayTile
+                !rangeContainsRange(dateProfile.validRange, selection.range)) {
+                return false;
+            }
+            return isDateSelectionValid(selection, calendar);
+        };
+        // Pointer Interaction Utils
+        // -----------------------------------------------------------------------------------------------------------------
+        DateComponent.prototype.isValidSegDownEl = function (el) {
+            return !this.props.eventDrag && // HACK
+                !this.props.eventResize && // HACK
+                !elementClosest(el, '.fc-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) {
+            var segEl = elementClosest(el, this.fgSegSelector);
+            return (!segEl || segEl.classList.contains('fc-mirror')) &&
+                !elementClosest(el, '.fc-more') && // a "more.." link
+                !elementClosest(el, 'a[data-goto]') && // a clickable nav link
+                !this.isInPopover(el);
+        };
+        DateComponent.prototype.isPopover = function () {
+            return this.el.classList.contains('fc-popover');
+        };
+        DateComponent.prototype.isInPopover = function (el) {
+            return Boolean(elementClosest(el, '.fc-popover'));
+        };
+        return DateComponent;
+    }(Component));
+    DateComponent.prototype.fgSegSelector = '.fc-event-container > *';
+    DateComponent.prototype.bgSegSelector = '.fc-bgevent:not(.fc-nonbusiness)';
+
+    var uid$1 = 0;
+    function createPlugin(input) {
+        return {
+            id: String(uid$1++),
+            deps: input.deps || [],
+            reducers: input.reducers || [],
+            eventDefParsers: input.eventDefParsers || [],
+            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 || [],
+            viewContainerModifiers: input.viewContainerModifiers || [],
+            eventDropTransformers: input.eventDropTransformers || [],
+            componentInteractions: input.componentInteractions || [],
+            calendarInteractions: input.calendarInteractions || [],
+            themeClasses: input.themeClasses || {},
+            eventSourceDefs: input.eventSourceDefs || [],
+            cmdFormatter: input.cmdFormatter,
+            recurringTypes: input.recurringTypes || [],
+            namedTimeZonedImpl: input.namedTimeZonedImpl,
+            defaultView: input.defaultView || '',
+            elementDraggingImpl: input.elementDraggingImpl,
+            optionChangeHandlers: input.optionChangeHandlers || {}
+        };
+    }
+    var PluginSystem = /** @class */ (function () {
+        function PluginSystem() {
+            this.hooks = {
+                reducers: [],
+                eventDefParsers: [],
+                isDraggableTransformers: [],
+                eventDragMutationMassagers: [],
+                eventDefMutationAppliers: [],
+                dateSelectionTransformers: [],
+                datePointTransforms: [],
+                dateSpanTransforms: [],
+                views: {},
+                viewPropsTransformers: [],
+                isPropsValid: null,
+                externalDefTransforms: [],
+                eventResizeJoinTransforms: [],
+                viewContainerModifiers: [],
+                eventDropTransformers: [],
+                componentInteractions: [],
+                calendarInteractions: [],
+                themeClasses: {},
+                eventSourceDefs: [],
+                cmdFormatter: null,
+                recurringTypes: [],
+                namedTimeZonedImpl: null,
+                defaultView: '',
+                elementDraggingImpl: null,
+                optionChangeHandlers: {}
+            };
+            this.addedHash = {};
+        }
+        PluginSystem.prototype.add = function (plugin) {
+            if (!this.addedHash[plugin.id]) {
+                this.addedHash[plugin.id] = true;
+                for (var _i = 0, _a = plugin.deps; _i < _a.length; _i++) {
+                    var dep = _a[_i];
+                    this.add(dep);
+                }
+                this.hooks = combineHooks(this.hooks, plugin);
+            }
+        };
+        return PluginSystem;
+    }());
+    function combineHooks(hooks0, hooks1) {
+        return {
+            reducers: hooks0.reducers.concat(hooks1.reducers),
+            eventDefParsers: hooks0.eventDefParsers.concat(hooks1.eventDefParsers),
+            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({}, 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),
+            viewContainerModifiers: hooks0.viewContainerModifiers.concat(hooks1.viewContainerModifiers),
+            eventDropTransformers: hooks0.eventDropTransformers.concat(hooks1.eventDropTransformers),
+            calendarInteractions: hooks0.calendarInteractions.concat(hooks1.calendarInteractions),
+            componentInteractions: hooks0.componentInteractions.concat(hooks1.componentInteractions),
+            themeClasses: __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,
+            defaultView: hooks0.defaultView || hooks1.defaultView,
+            elementDraggingImpl: hooks0.elementDraggingImpl || hooks1.elementDraggingImpl,
+            optionChangeHandlers: __assign({}, hooks0.optionChangeHandlers, hooks1.optionChangeHandlers)
+        };
+    }
+
+    var eventSourceDef = {
+        ignoreRange: true,
+        parseMeta: function (raw) {
+            if (Array.isArray(raw)) { // short form
+                return raw;
+            }
+            else if (Array.isArray(raw.events)) {
+                return raw.events;
+            }
+            return null;
+        },
+        fetch: function (arg, success) {
+            success({
+                rawEvents: arg.eventSource.meta
+            });
+        }
+    };
+    var ArrayEventSourcePlugin = createPlugin({
+        eventSourceDefs: [eventSourceDef]
+    });
+
+    var eventSourceDef$1 = {
+        parseMeta: function (raw) {
+            if (typeof raw === 'function') { // short form
+                return raw;
+            }
+            else if (typeof raw.events === 'function') {
+                return raw.events;
+            }
+            return null;
+        },
+        fetch: function (arg, success, failure) {
+            var dateEnv = arg.calendar.dateEnv;
+            var func = arg.eventSource.meta;
+            unpromisify(func.bind(null, {
+                start: dateEnv.toDate(arg.range.start),
+                end: dateEnv.toDate(arg.range.end),
+                startStr: dateEnv.formatIso(arg.range.start),
+                endStr: dateEnv.formatIso(arg.range.end),
+                timeZone: dateEnv.timeZone
+            }), 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) {
+                try {
+                    var res = JSON.parse(xhr.responseText);
+                    successCallback(res, xhr);
+                }
+                catch (err) {
+                    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 eventSourceDef$2 = {
+        parseMeta: function (raw) {
+            if (typeof raw === 'string') { // short form
+                raw = { url: raw };
+            }
+            else if (!raw || typeof raw !== 'object' || !raw.url) {
+                return null;
+            }
+            return {
+                url: raw.url,
+                method: (raw.method || 'GET').toUpperCase(),
+                extraParams: raw.extraParams,
+                startParam: raw.startParam,
+                endParam: raw.endParam,
+                timeZoneParam: raw.timeZoneParam
+            };
+        },
+        fetch: function (arg, success, failure) {
+            var meta = arg.eventSource.meta;
+            var requestParams = buildRequestParams(meta, arg.range, arg.calendar);
+            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({
+        eventSourceDefs: [eventSourceDef$2]
+    });
+    function buildRequestParams(meta, range, calendar) {
+        var dateEnv = calendar.dateEnv;
+        var startParam;
+        var endParam;
+        var timeZoneParam;
+        var customRequestParams;
+        var params = {};
+        startParam = meta.startParam;
+        if (startParam == null) {
+            startParam = calendar.opt('startParam');
+        }
+        endParam = meta.endParam;
+        if (endParam == null) {
+            endParam = calendar.opt('endParam');
+        }
+        timeZoneParam = meta.timeZoneParam;
+        if (timeZoneParam == null) {
+            timeZoneParam = calendar.opt('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 recurring = {
+        parse: function (rawEvent, leftoverProps, dateEnv) {
+            var createMarker = dateEnv.createMarker.bind(dateEnv);
+            var processors = {
+                daysOfWeek: null,
+                startTime: createDuration,
+                endTime: createDuration,
+                startRecur: createMarker,
+                endRecur: createMarker
+            };
+            var props = refineProps(rawEvent, processors, {}, leftoverProps);
+            var anyValid = false;
+            for (var propName in props) {
+                if (props[propName] != null) {
+                    anyValid = true;
+                    break;
+                }
+            }
+            if (anyValid) {
+                var duration = null;
+                if ('duration' in leftoverProps) {
+                    duration = createDuration(leftoverProps.duration);
+                    delete leftoverProps.duration;
+                }
+                if (!duration && props.startTime && props.endTime) {
+                    duration = subtractDurations(props.endTime, props.startTime);
+                }
+                return {
+                    allDayGuess: Boolean(!props.startTime && !props.endTime),
+                    duration: duration,
+                    typeData: props // 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 SimpleRecurrencePlugin = createPlugin({
+        recurringTypes: [recurring]
+    });
+    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 DefaultOptionChangeHandlers = createPlugin({
+        optionChangeHandlers: {
+            events: function (events, calendar, deepEqual) {
+                handleEventSources([events], calendar, deepEqual);
+            },
+            eventSources: handleEventSources,
+            plugins: handlePlugins
+        }
+    });
+    function handleEventSources(inputs, calendar, deepEqual) {
+        var unfoundSources = hashValuesToArray(calendar.state.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 (deepEqual(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];
+            calendar.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];
+            calendar.addEventSource(newInput);
+        }
+    }
+    // shortcoming: won't remove plugins
+    function handlePlugins(inputs, calendar) {
+        calendar.addPluginInputs(inputs); // will gracefully handle duplicates
+    }
+
+    var config = {}; // TODO: make these options
+    var globalDefaults = {
+        defaultRangeSeparator: ' - ',
+        titleRangeSeparator: ' \u2013 ',
+        defaultTimedEventDuration: '01:00:00',
+        defaultAllDayEventDuration: { day: 1 },
+        forceEventDuration: false,
+        nextDayThreshold: '00:00:00',
+        // display
+        columnHeader: true,
+        defaultView: '',
+        aspectRatio: 1.35,
+        header: {
+            left: 'title',
+            center: '',
+            right: 'today prev,next'
+        },
+        weekends: true,
+        weekNumbers: false,
+        weekNumberCalculation: 'local',
+        editable: false,
+        // nowIndicator: false,
+        scrollTime: '06:00:00',
+        minTime: '00:00:00',
+        maxTime: '24:00:00',
+        showNonCurrentDates: true,
+        // event ajax
+        lazyFetching: true,
+        startParam: 'start',
+        endParam: 'end',
+        timeZoneParam: 'timeZone',
+        timeZone: 'local',
+        // allDayDefault: undefined,
+        // locale
+        locales: [],
+        locale: '',
+        // dir: will get this from the default locale
+        // buttonIcons: null,
+        // allows setting a min-height to the event segment to prevent short events overlapping each other
+        timeGridEventMinHeight: 0,
+        themeSystem: 'standard',
+        // eventResizableFromStart: false,
+        dragRevertDuration: 500,
+        dragScroll: true,
+        allDayMaintainDuration: false,
+        // selectable: false,
+        unselectAuto: true,
+        // selectMinDistance: 0,
+        dropAccept: '*',
+        eventOrder: 'start,-duration,allDay,title',
+        // ^ if start tie, longer events go before shorter. final tie-breaker is title text
+        // rerenderDelay: null,
+        eventLimit: false,
+        eventLimitClick: 'popover',
+        dayPopoverFormat: { month: 'long', day: 'numeric', year: 'numeric' },
+        handleWindowResize: true,
+        windowResizeDelay: 100,
+        longPressDelay: 1000,
+        eventDragMinDistance: 5 // only applies to mouse
+    };
+    var rtlDefaults = {
+        header: {
+            left: 'next,prev today',
+            center: '',
+            right: 'title'
+        },
+        buttonIcons: {
+            // TODO: make RTL support the responibility of the theme
+            prev: 'fc-icon-chevron-right',
+            next: 'fc-icon-chevron-left',
+            prevYear: 'fc-icon-chevrons-right',
+            nextYear: 'fc-icon-chevrons-left'
+        }
+    };
+    var complexOptions = [
+        'header',
+        'footer',
+        'buttonText',
+        'buttonIcons'
+    ];
+    // Merges an array of option objects into a single object
+    function mergeOptions(optionObjs) {
+        return mergeProps(optionObjs, complexOptions);
+    }
+    // TODO: move this stuff to a "plugin"-related file...
+    var INTERNAL_PLUGINS = [
+        ArrayEventSourcePlugin,
+        FuncEventSourcePlugin,
+        JsonFeedEventSourcePlugin,
+        SimpleRecurrencePlugin,
+        DefaultOptionChangeHandlers
+    ];
+    function refinePluginDefs(pluginInputs) {
+        var plugins = [];
+        for (var _i = 0, pluginInputs_1 = pluginInputs; _i < pluginInputs_1.length; _i++) {
+            var pluginInput = pluginInputs_1[_i];
+            if (typeof pluginInput === 'string') {
+                var globalName = 'FullCalendar' + capitaliseFirstLetter(pluginInput);
+                if (!window[globalName]) {
+                    console.warn('Plugin file not loaded for ' + pluginInput);
+                }
+                else {
+                    plugins.push(window[globalName].default); // is an ES6 module
+                }
+            }
+            else {
+                plugins.push(pluginInput);
+            }
+        }
+        return INTERNAL_PLUGINS.concat(plugins);
+    }
+
+    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
+        },
+        dir: 'ltr',
+        buttonText: {
+            prev: 'prev',
+            next: 'next',
+            prevYear: 'prev year',
+            nextYear: 'next year',
+            year: 'year',
+            today: 'today',
+            month: 'month',
+            week: 'week',
+            day: 'day',
+            list: 'list'
+        },
+        weekLabel: 'W',
+        allDayText: 'all-day',
+        eventLimitText: 'more',
+        noEventsMessage: 'No events to display'
+    };
+    function parseRawLocales(explicitRawLocales) {
+        var defaultCode = explicitRawLocales.length > 0 ? explicitRawLocales[0].code : 'en';
+        var globalArray = window['FullCalendarLocalesAll'] || []; // from locales-all.js
+        var globalObject = window['FullCalendarLocales'] || {}; // from locales/*.js. keys are meaningless
+        var allRawLocales = globalArray.concat(// globalArray is low prio
+        hashValuesToArray(globalObject), // medium prio
+        explicitRawLocales // highest prio
+        );
+        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
+        };
+    }
+
+    var OptionsManager = /** @class */ (function () {
+        function OptionsManager(overrides) {
+            this.overrides = __assign({}, overrides); // make a copy
+            this.dynamicOverrides = {};
+            this.compute();
+        }
+        OptionsManager.prototype.mutate = function (updates, removals, isDynamic) {
+            if (!Object.keys(updates).length && !removals.length) {
+                return;
+            }
+            var overrideHash = isDynamic ? this.dynamicOverrides : this.overrides;
+            __assign(overrideHash, updates);
+            for (var _i = 0, removals_1 = removals; _i < removals_1.length; _i++) {
+                var propName = removals_1[_i];
+                delete overrideHash[propName];
+            }
+            this.compute();
+        };
+        // Computes the flattened options hash for the calendar and assigns to `this.options`.
+        // Assumes this.overrides and this.dynamicOverrides have already been initialized.
+        OptionsManager.prototype.compute = function () {
+            // TODO: not a very efficient system
+            var locales = firstDefined(// explicit locale option given?
+            this.dynamicOverrides.locales, this.overrides.locales, globalDefaults.locales);
+            var locale = firstDefined(// explicit locales option given?
+            this.dynamicOverrides.locale, this.overrides.locale, globalDefaults.locale);
+            var available = parseRawLocales(locales);
+            var localeDefaults = buildLocale(locale || available.defaultCode, available.map).options;
+            var dir = firstDefined(// based on options computed so far, is direction RTL?
+            this.dynamicOverrides.dir, this.overrides.dir, localeDefaults.dir);
+            var dirDefaults = dir === 'rtl' ? rtlDefaults : {};
+            this.dirDefaults = dirDefaults;
+            this.localeDefaults = localeDefaults;
+            this.computed = mergeOptions([
+                globalDefaults,
+                dirDefaults,
+                localeDefaults,
+                this.overrides,
+                this.dynamicOverrides
+            ]);
+        };
+        return OptionsManager;
+    }());
+
+    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.weekLabel = settings.weekLabel != null ? settings.weekLabel : settings.locale.options.weekLabel;
+            this.cmdFormatter = settings.cmdFormatter;
+        }
+        // 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
+        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);
+        };
+        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 SIMPLE_SOURCE_PROPS = {
+        id: String,
+        allDayDefault: Boolean,
+        eventDataTransform: Function,
+        success: Function,
+        failure: Function
+    };
+    var uid$2 = 0;
+    function doesSourceNeedRange(eventSource, calendar) {
+        var defs = calendar.pluginSystem.hooks.eventSourceDefs;
+        return !defs[eventSource.sourceDefId].ignoreRange;
+    }
+    function parseEventSource(raw, calendar) {
+        var defs = calendar.pluginSystem.hooks.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) {
+                var res = parseEventSourceProps(typeof raw === 'object' ? raw : {}, meta, i, calendar);
+                res._raw = raw;
+                return res;
+            }
+        }
+        return null;
+    }
+    function parseEventSourceProps(raw, meta, sourceDefId, calendar) {
+        var leftovers0 = {};
+        var props = refineProps(raw, SIMPLE_SOURCE_PROPS, {}, leftovers0);
+        var leftovers1 = {};
+        var ui = processUnscopedUiProps(leftovers0, calendar, leftovers1);
+        props.isFetching = false;
+        props.latestFetchId = '';
+        props.fetchRange = null;
+        props.publicId = String(raw.id || '');
+        props.sourceId = String(uid$2++);
+        props.sourceDefId = sourceDefId;
+        props.meta = meta;
+        props.ui = ui;
+        props.extendedProps = leftovers1;
+        return props;
+    }
+
+    function reduceEventSources (eventSources, action, dateProfile, calendar) {
+        switch (action.type) {
+            case 'ADD_EVENT_SOURCES': // already parsed
+                return addSources(eventSources, action.sources, dateProfile ? dateProfile.activeRange : null, calendar);
+            case 'REMOVE_EVENT_SOURCE':
+                return removeSource(eventSources, action.sourceId);
+            case 'PREV': // TODO: how do we track all actions that affect dateProfile :(
+            case 'NEXT':
+            case 'SET_DATE':
+            case 'SET_VIEW_TYPE':
+                if (dateProfile) {
+                    return fetchDirtySources(eventSources, dateProfile.activeRange, calendar);
+                }
+                else {
+                    return eventSources;
+                }
+            case 'FETCH_EVENT_SOURCES':
+            case 'CHANGE_TIMEZONE':
+                return fetchSourcesByIds(eventSources, action.sourceIds ?
+                    arrayToHash(action.sourceIds) :
+                    excludeStaticSources(eventSources, calendar), dateProfile ? dateProfile.activeRange : null, calendar);
+            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;
+        }
+    }
+    var uid$3 = 0;
+    function addSources(eventSourceHash, sources, fetchRange, calendar) {
+        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, calendar);
+        }
+        return __assign({}, eventSourceHash, hash);
+    }
+    function removeSource(eventSourceHash, sourceId) {
+        return filterHash(eventSourceHash, function (eventSource) {
+            return eventSource.sourceId !== sourceId;
+        });
+    }
+    function fetchDirtySources(sourceHash, fetchRange, calendar) {
+        return fetchSourcesByIds(sourceHash, filterHash(sourceHash, function (eventSource) {
+            return isSourceDirty(eventSource, fetchRange, calendar);
+        }), fetchRange, calendar);
+    }
+    function isSourceDirty(eventSource, fetchRange, calendar) {
+        if (!doesSourceNeedRange(eventSource, calendar)) {
+            return !eventSource.latestFetchId;
+        }
+        else {
+            return !calendar.opt('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, calendar) {
+        var nextSources = {};
+        for (var sourceId in prevSources) {
+            var source = prevSources[sourceId];
+            if (sourceIdHash[sourceId]) {
+                nextSources[sourceId] = fetchSource(source, fetchRange, calendar);
+            }
+            else {
+                nextSources[sourceId] = source;
+            }
+        }
+        return nextSources;
+    }
+    function fetchSource(eventSource, fetchRange, calendar) {
+        var sourceDef = calendar.pluginSystem.hooks.eventSourceDefs[eventSource.sourceDefId];
+        var fetchId = String(uid$3++);
+        sourceDef.fetch({
+            eventSource: eventSource,
+            calendar: calendar,
+            range: fetchRange
+        }, function (res) {
+            var rawEvents = res.rawEvents;
+            var calSuccess = calendar.opt('eventSourceSuccess');
+            var calSuccessRes;
+            var sourceSuccessRes;
+            if (eventSource.success) {
+                sourceSuccessRes = eventSource.success(rawEvents, res.xhr);
+            }
+            if (calSuccess) {
+                calSuccessRes = calSuccess(rawEvents, res.xhr);
+            }
+            rawEvents = sourceSuccessRes || calSuccessRes || rawEvents;
+            calendar.dispatch({
+                type: 'RECEIVE_EVENTS',
+                sourceId: eventSource.sourceId,
+                fetchId: fetchId,
+                fetchRange: fetchRange,
+                rawEvents: rawEvents
+            });
+        }, function (error) {
+            var callFailure = calendar.opt('eventSourceFailure');
+            console.warn(error.message, error);
+            if (eventSource.failure) {
+                eventSource.failure(error);
+            }
+            if (callFailure) {
+                callFailure(error);
+            }
+            calendar.dispatch({
+                type: 'RECEIVE_EVENT_ERROR',
+                sourceId: eventSource.sourceId,
+                fetchId: fetchId,
+                fetchRange: fetchRange,
+                error: error
+            });
+        });
+        return __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({}, sourceHash, (_a = {}, _a[sourceId] = __assign({}, eventSource, { isFetching: false, fetchRange: fetchRange // also serves as a marker that at least one fetch has completed
+             }), _a));
+        }
+        return sourceHash;
+    }
+    function excludeStaticSources(eventSources, calendar) {
+        return filterHash(eventSources, function (eventSource) {
+            return doesSourceNeedRange(eventSource, calendar);
+        });
+    }
+
+    var DateProfileGenerator = /** @class */ (function () {
+        function DateProfileGenerator(viewSpec, calendar) {
+            this.viewSpec = viewSpec;
+            this.options = viewSpec.options;
+            this.dateEnv = calendar.dateEnv;
+            this.calendar = calendar;
+            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) {
+            var dateEnv = this.dateEnv;
+            var prevDate = dateEnv.subtract(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
+            currentDateProfile.dateIncrement);
+            return this.build(prevDate, -1);
+        };
+        // Builds a structure with info about what the dates/ranges will be for the "next" view.
+        DateProfileGenerator.prototype.buildNext = function (currentDateProfile, currentDate) {
+            var dateEnv = this.dateEnv;
+            var nextDate = dateEnv.add(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
+            currentDateProfile.dateIncrement);
+            return this.build(nextDate, 1);
+        };
+        // 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 = false; }
+            var validRange;
+            var minTime = null;
+            var maxTime = null;
+            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 (!this.options.showNonCurrentDates) {
+                activeRange = intersectRanges(activeRange, currentInfo.range);
+            }
+            minTime = createDuration(this.options.minTime);
+            maxTime = createDuration(this.options.maxTime);
+            activeRange = this.adjustActiveRange(activeRange, minTime, maxTime);
+            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
+                minTime: minTime,
+                // Duration object that denotes the exclusive visible end time of any given day
+                maxTime: maxTime,
+                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 () {
+            return this.getRangeOption('validRange', this.calendar.getNow()) ||
+                { 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 _a = this, viewSpec = _a.viewSpec, dateEnv = _a.dateEnv;
+            var duration = null;
+            var unit = null;
+            var range = null;
+            var dayCount;
+            if (viewSpec.duration) {
+                duration = viewSpec.duration;
+                unit = viewSpec.durationUnit;
+                range = this.buildRangeFromDuration(date, direction, duration, unit);
+            }
+            else if ((dayCount = this.options.dayCount)) {
+                unit = 'day';
+                range = this.buildRangeFromDayCount(date, direction, dayCount);
+            }
+            else if ((range = this.buildCustomVisibleRange(date))) {
+                unit = 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)
+        // minTime or maxTime causes the range to expand.
+        DateProfileGenerator.prototype.adjustActiveRange = function (range, minTime, maxTime) {
+            var dateEnv = this.dateEnv;
+            var start = range.start;
+            var end = range.end;
+            if (this.viewSpec.class.prototype.usesMinMaxTime) {
+                // expand active range if minTime is negative (why not when positive?)
+                if (asRoughDays(minTime) < 0) {
+                    start = startOfDay(start); // necessary?
+                    start = dateEnv.add(start, minTime);
+                }
+                // expand active range if maxTime is beyond one day (why not when positive?)
+                if (asRoughDays(maxTime) > 1) {
+                    end = startOfDay(end); // necessary?
+                    end = addDays(end, -1);
+                    end = dateEnv.add(end, maxTime);
+                }
+            }
+            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 dateEnv = this.dateEnv;
+            var alignment = this.options.dateAlignment;
+            var dateIncrementInput;
+            var dateIncrementDuration;
+            var start;
+            var end;
+            var res;
+            // compute what the alignment should be
+            if (!alignment) {
+                dateIncrementInput = this.options.dateIncrement;
+                if (dateIncrementInput) {
+                    dateIncrementDuration = createDuration(dateIncrementInput);
+                    // use the smaller of the two units
+                    if (asRoughMs(dateIncrementDuration) < asRoughMs(duration)) {
+                        alignment = greatestDurationDenominator(dateIncrementDuration, !getWeeksFromInput(dateIncrementInput)).unit;
+                    }
+                    else {
+                        alignment = unit;
+                    }
+                }
+                else {
+                    alignment = 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, alignment);
+                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 dateEnv = this.dateEnv;
+            var customAlignment = this.options.dateAlignment;
+            var runningCount = 0;
+            var start = date;
+            var end;
+            if (customAlignment) {
+                start = dateEnv.startOf(start, customAlignment);
+            }
+            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 dateEnv = this.dateEnv;
+            var visibleRange = this.getRangeOption('visibleRange', dateEnv.toDate(date));
+            if (visibleRange && (visibleRange.start == null || visibleRange.end == null)) {
+                return null;
+            }
+            return visibleRange;
+        };
+        // 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 dateIncrementInput = this.options.dateIncrement;
+            var customAlignment;
+            if (dateIncrementInput) {
+                return createDuration(dateIncrementInput);
+            }
+            else if ((customAlignment = this.options.dateAlignment)) {
+                return createDuration(1, customAlignment);
+            }
+            else if (fallback) {
+                return fallback;
+            }
+            else {
+                return createDuration({ days: 1 });
+            }
+        };
+        // Arguments after name will be forwarded to a hypothetical function value
+        // WARNING: passed-in arguments will be given to generator functions as-is and can cause side-effects.
+        // Always clone your objects if you fear mutation.
+        DateProfileGenerator.prototype.getRangeOption = function (name) {
+            var otherArgs = [];
+            for (var _i = 1; _i < arguments.length; _i++) {
+                otherArgs[_i - 1] = arguments[_i];
+            }
+            var val = this.options[name];
+            if (typeof val === 'function') {
+                val = val.apply(null, otherArgs);
+            }
+            if (val) {
+                val = parseRange(val, this.dateEnv);
+            }
+            if (val) {
+                val = computeVisibleDayRange(val);
+            }
+            return val;
+        };
+        /* Hidden Days
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Initializes internal variables related to calculating hidden days-of-week
+        DateProfileGenerator.prototype.initHiddenDays = function () {
+            var hiddenDays = this.options.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.options.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;
+    }());
+    // TODO: find a way to avoid comparing DateProfiles. it's tedious
+    function isDateProfilesEqual(p0, p1) {
+        return rangesEqual(p0.validRange, p1.validRange) &&
+            rangesEqual(p0.activeRange, p1.activeRange) &&
+            rangesEqual(p0.renderRange, p1.renderRange) &&
+            durationsEqual(p0.minTime, p1.minTime) &&
+            durationsEqual(p0.maxTime, p1.maxTime);
+        /*
+        TODO: compare more?
+          currentRange: DateRange
+          currentRangeUnit: string
+          isRangeAllDay: boolean
+          isValid: boolean
+          dateIncrement: Duration
+        */
+    }
+
+    function reduce (state, action, calendar) {
+        var viewType = reduceViewType(state.viewType, action);
+        var dateProfile = reduceDateProfile(state.dateProfile, action, state.currentDate, viewType, calendar);
+        var eventSources = reduceEventSources(state.eventSources, action, dateProfile, calendar);
+        var nextState = __assign({}, state, { viewType: viewType,
+            dateProfile: dateProfile, currentDate: reduceCurrentDate(state.currentDate, action, dateProfile), eventSources: eventSources, eventStore: reduceEventStore(state.eventStore, action, eventSources, dateProfile, calendar), dateSelection: reduceDateSelection(state.dateSelection, action, calendar), eventSelection: reduceSelectedEvent(state.eventSelection, action), eventDrag: reduceEventDrag(state.eventDrag, action, eventSources, calendar), eventResize: reduceEventResize(state.eventResize, action, eventSources, calendar), eventSourceLoadingLevel: computeLoadingLevel(eventSources), loadingLevel: computeLoadingLevel(eventSources) });
+        for (var _i = 0, _a = calendar.pluginSystem.hooks.reducers; _i < _a.length; _i++) {
+            var reducerFunc = _a[_i];
+            nextState = reducerFunc(nextState, action, calendar);
+        }
+        // console.log(action.type, nextState)
+        return nextState;
+    }
+    function reduceViewType(currentViewType, action) {
+        switch (action.type) {
+            case 'SET_VIEW_TYPE':
+                return action.viewType;
+            default:
+                return currentViewType;
+        }
+    }
+    function reduceDateProfile(currentDateProfile, action, currentDate, viewType, calendar) {
+        var newDateProfile;
+        switch (action.type) {
+            case 'PREV':
+                newDateProfile = calendar.dateProfileGenerators[viewType].buildPrev(currentDateProfile, currentDate);
+                break;
+            case 'NEXT':
+                newDateProfile = calendar.dateProfileGenerators[viewType].buildNext(currentDateProfile, currentDate);
+                break;
+            case 'SET_DATE':
+                if (!currentDateProfile.activeRange ||
+                    !rangeContainsMarker(currentDateProfile.currentRange, action.dateMarker)) {
+                    newDateProfile = calendar.dateProfileGenerators[viewType].build(action.dateMarker, undefined, true // forceToValid
+                    );
+                }
+                break;
+            case 'SET_VIEW_TYPE':
+                var generator = calendar.dateProfileGenerators[viewType];
+                if (!generator) {
+                    throw new Error(viewType ?
+                        'The FullCalendar view "' + viewType + '" does not exist. Make sure your plugins are loaded correctly.' :
+                        'No available FullCalendar view plugins.');
+                }
+                newDateProfile = generator.build(action.dateMarker || currentDate, undefined, true // forceToValid
+                );
+                break;
+        }
+        if (newDateProfile &&
+            newDateProfile.isValid &&
+            !(currentDateProfile && isDateProfilesEqual(currentDateProfile, newDateProfile))) {
+            return newDateProfile;
+        }
+        else {
+            return currentDateProfile;
+        }
+    }
+    function reduceCurrentDate(currentDate, action, dateProfile) {
+        switch (action.type) {
+            case 'PREV':
+            case 'NEXT':
+                if (!rangeContainsMarker(dateProfile.currentRange, currentDate)) {
+                    return dateProfile.currentRange.start;
+                }
+                else {
+                    return currentDate;
+                }
+            case 'SET_DATE':
+            case 'SET_VIEW_TYPE':
+                var newDate = action.dateMarker || currentDate;
+                if (dateProfile.activeRange && !rangeContainsMarker(dateProfile.activeRange, newDate)) {
+                    return dateProfile.currentRange.start;
+                }
+                else {
+                    return newDate;
+                }
+            default:
+                return currentDate;
+        }
+    }
+    function reduceDateSelection(currentSelection, action, calendar) {
+        switch (action.type) {
+            case 'SELECT_DATES':
+                return action.selection;
+            case 'UNSELECT_DATES':
+                return null;
+            default:
+                return currentSelection;
+        }
+    }
+    function reduceSelectedEvent(currentInstanceId, action) {
+        switch (action.type) {
+            case 'SELECT_EVENT':
+                return action.eventInstanceId;
+            case 'UNSELECT_EVENT':
+                return '';
+            default:
+                return currentInstanceId;
+        }
+    }
+    function reduceEventDrag(currentDrag, action, sources, calendar) {
+        switch (action.type) {
+            case 'SET_EVENT_DRAG':
+                var newDrag = action.state;
+                return {
+                    affectedEvents: newDrag.affectedEvents,
+                    mutatedEvents: newDrag.mutatedEvents,
+                    isEvent: newDrag.isEvent,
+                    origSeg: newDrag.origSeg
+                };
+            case 'UNSET_EVENT_DRAG':
+                return null;
+            default:
+                return currentDrag;
+        }
+    }
+    function reduceEventResize(currentResize, action, sources, calendar) {
+        switch (action.type) {
+            case 'SET_EVENT_RESIZE':
+                var newResize = action.state;
+                return {
+                    affectedEvents: newResize.affectedEvents,
+                    mutatedEvents: newResize.mutatedEvents,
+                    isEvent: newResize.isEvent,
+                    origSeg: newResize.origSeg
+                };
+            case 'UNSET_EVENT_RESIZE':
+                return null;
+            default:
+                return currentResize;
+        }
+    }
+    function computeLoadingLevel(eventSources) {
+        var cnt = 0;
+        for (var sourceId in eventSources) {
+            if (eventSources[sourceId].isFetching) {
+                cnt++;
+            }
+        }
+        return cnt;
+    }
+
+    var STANDARD_PROPS = {
+        start: null,
+        end: null,
+        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 leftovers = {};
+        var standardProps = refineProps(raw, STANDARD_PROPS, {}, leftovers);
+        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);
+        }
+        // use this leftover object as the selection object
+        leftovers.range = {
+            start: startMeta ? startMeta.marker : null,
+            end: endMeta ? endMeta.marker : null
+        };
+        leftovers.allDay = allDay;
+        return leftovers;
+    }
+    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 {
+            start: dateEnv.toDate(span.range.start),
+            end: dateEnv.toDate(span.range.end),
+            startStr: dateEnv.formatIso(span.range.start, { omitTime: span.allDay }),
+            endStr: dateEnv.formatIso(span.range.end, { omitTime: span.allDay }),
+            allDay: span.allDay
+        };
+    }
+    function buildDatePointApi(span, dateEnv) {
+        return {
+            date: dateEnv.toDate(span.range.start),
+            dateStr: dateEnv.formatIso(span.range.start, { omitTime: span.allDay }),
+            allDay: span.allDay
+        };
+    }
+    function fabricateEventRange(dateSpan, eventUiBases, calendar) {
+        var def = parseEventDef({ editable: false }, '', // sourceId
+        dateSpan.allDay, true, // hasEnd
+        calendar);
+        return {
+            def: def,
+            ui: compileEventUi(def, eventUiBases),
+            instance: createEventInstance(def.defId, dateSpan.range),
+            range: dateSpan.range,
+            isStart: true,
+            isEnd: true
+        };
+    }
+
+    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 theClass = queryProp('class');
+        var superType = queryProp('superType');
+        if (!superType && theClass) {
+            superType =
+                findViewNameBySubclass(theClass, overrideConfigs) ||
+                    findViewNameBySubclass(theClass, defaultConfigs);
+        }
+        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 (!theClass && superDef) {
+            theClass = superDef.class;
+        }
+        if (!theClass) {
+            return null; // don't throw a warning, might be settings for a single-unit view
+        }
+        return {
+            type: viewType,
+            class: theClass,
+            defaults: __assign({}, (superDef ? superDef.defaults : {}), (defaultConfig ? defaultConfig.options : {})),
+            overrides: __assign({}, (superDef ? superDef.overrides : {}), (overrideConfig ? overrideConfig.options : {}))
+        };
+    }
+    function findViewNameBySubclass(viewSubclass, configs) {
+        var superProto = Object.getPrototypeOf(viewSubclass.prototype);
+        for (var viewType in configs) {
+            var parsed = configs[viewType];
+            // need DIRECT subclass, so instanceof won't do it
+            if (parsed.class && parsed.class.prototype === superProto) {
+                return viewType;
+            }
+        }
+        return '';
+    }
+
+    function parseViewConfigs(inputs) {
+        return mapHash(inputs, parseViewConfig);
+    }
+    var VIEW_DEF_PROPS = {
+        type: String,
+        class: null
+    };
+    function parseViewConfig(input) {
+        if (typeof input === 'function') {
+            input = { class: input };
+        }
+        var options = {};
+        var props = refineProps(input, VIEW_DEF_PROPS, {}, options);
+        return {
+            superType: props.type,
+            class: props.class,
+            options: options
+        };
+    }
+
+    function buildViewSpecs(defaultInputs, optionsManager) {
+        var defaultConfigs = parseViewConfigs(defaultInputs);
+        var overrideConfigs = parseViewConfigs(optionsManager.overrides.views);
+        var viewDefs = compileViewDefs(defaultConfigs, overrideConfigs);
+        return mapHash(viewDefs, function (viewDef) {
+            return buildViewSpec(viewDef, overrideConfigs, optionsManager);
+        });
+    }
+    function buildViewSpec(viewDef, overrideConfigs, optionsManager) {
+        var durationInput = viewDef.overrides.duration ||
+            viewDef.defaults.duration ||
+            optionsManager.dynamicOverrides.duration ||
+            optionsManager.overrides.duration;
+        var duration = null;
+        var durationUnit = '';
+        var singleUnit = '';
+        var singleUnitOverrides = {};
+        if (durationInput) {
+            duration = createDuration(durationInput);
+            if (duration) { // valid?
+                var denom = greatestDurationDenominator(duration, !getWeeksFromInput(durationInput));
+                durationUnit = denom.unit;
+                if (denom.value === 1) {
+                    singleUnit = durationUnit;
+                    singleUnitOverrides = overrideConfigs[durationUnit] ? overrideConfigs[durationUnit].options : {};
+                }
+            }
+        }
+        var queryButtonText = function (options) {
+            var buttonTextMap = options.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,
+            class: viewDef.class,
+            duration: duration,
+            durationUnit: durationUnit,
+            singleUnit: singleUnit,
+            options: __assign({}, globalDefaults, viewDef.defaults, optionsManager.dirDefaults, optionsManager.localeDefaults, optionsManager.overrides, singleUnitOverrides, viewDef.overrides, optionsManager.dynamicOverrides),
+            buttonTextOverride: queryButtonText(optionsManager.dynamicOverrides) ||
+                queryButtonText(optionsManager.overrides) || // constructor-specified buttonText lookup hash takes precedence
+                viewDef.overrides.buttonText,
+            buttonTextDefault: queryButtonText(optionsManager.localeDefaults) ||
+                queryButtonText(optionsManager.dirDefaults) ||
+                viewDef.defaults.buttonText ||
+                queryButtonText(globalDefaults) ||
+                viewDef.type // fall back to given view name
+        };
+    }
+
+    var Toolbar = /** @class */ (function (_super) {
+        __extends(Toolbar, _super);
+        function Toolbar(extraClassName) {
+            var _this = _super.call(this) || this;
+            _this._renderLayout = memoizeRendering(_this.renderLayout, _this.unrenderLayout);
+            _this._updateTitle = memoizeRendering(_this.updateTitle, null, [_this._renderLayout]);
+            _this._updateActiveButton = memoizeRendering(_this.updateActiveButton, null, [_this._renderLayout]);
+            _this._updateToday = memoizeRendering(_this.updateToday, null, [_this._renderLayout]);
+            _this._updatePrev = memoizeRendering(_this.updatePrev, null, [_this._renderLayout]);
+            _this._updateNext = memoizeRendering(_this.updateNext, null, [_this._renderLayout]);
+            _this.el = createElement('div', { className: 'fc-toolbar ' + extraClassName });
+            return _this;
+        }
+        Toolbar.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this._renderLayout.unrender(); // should unrender everything else
+            removeElement(this.el);
+        };
+        Toolbar.prototype.render = function (props) {
+            this._renderLayout(props.layout);
+            this._updateTitle(props.title);
+            this._updateActiveButton(props.activeButton);
+            this._updateToday(props.isTodayEnabled);
+            this._updatePrev(props.isPrevEnabled);
+            this._updateNext(props.isNextEnabled);
+        };
+        Toolbar.prototype.renderLayout = function (layout) {
+            var el = this.el;
+            this.viewsWithButtons = [];
+            appendToElement(el, this.renderSection('left', layout.left));
+            appendToElement(el, this.renderSection('center', layout.center));
+            appendToElement(el, this.renderSection('right', layout.right));
+        };
+        Toolbar.prototype.unrenderLayout = function () {
+            this.el.innerHTML = '';
+        };
+        Toolbar.prototype.renderSection = function (position, buttonStr) {
+            var _this = this;
+            var _a = this.context, theme = _a.theme, calendar = _a.calendar;
+            var optionsManager = calendar.optionsManager;
+            var viewSpecs = calendar.viewSpecs;
+            var sectionEl = createElement('div', { className: 'fc-' + position });
+            var calendarCustomButtons = optionsManager.computed.customButtons || {};
+            var calendarButtonTextOverrides = optionsManager.overrides.buttonText || {};
+            var calendarButtonText = optionsManager.computed.buttonText || {};
+            if (buttonStr) {
+                buttonStr.split(' ').forEach(function (buttonGroupStr, i) {
+                    var groupChildren = [];
+                    var isOnlyButtons = true;
+                    var groupEl;
+                    buttonGroupStr.split(',').forEach(function (buttonName, j) {
+                        var customButtonProps;
+                        var viewSpec;
+                        var buttonClick;
+                        var buttonIcon; // only one of these will be set
+                        var buttonText; // "
+                        var buttonInnerHtml;
+                        var buttonClasses;
+                        var buttonEl;
+                        var buttonAriaAttr;
+                        if (buttonName === 'title') {
+                            groupChildren.push(htmlToElement('<h2>&nbsp;</h2>')); // we always want it to take up height
+                            isOnlyButtons = false;
+                        }
+                        else {
+                            if ((customButtonProps = calendarCustomButtons[buttonName])) {
+                                buttonClick = function (ev) {
+                                    if (customButtonProps.click) {
+                                        customButtonProps.click.call(buttonEl, ev);
+                                    }
+                                };
+                                (buttonIcon = theme.getCustomButtonIconClass(customButtonProps)) ||
+                                    (buttonIcon = theme.getIconClass(buttonName)) ||
+                                    (buttonText = customButtonProps.text);
+                            }
+                            else if ((viewSpec = viewSpecs[buttonName])) {
+                                _this.viewsWithButtons.push(buttonName);
+                                buttonClick = function () {
+                                    calendar.changeView(buttonName);
+                                };
+                                (buttonText = viewSpec.buttonTextOverride) ||
+                                    (buttonIcon = theme.getIconClass(buttonName)) ||
+                                    (buttonText = viewSpec.buttonTextDefault);
+                            }
+                            else if (calendar[buttonName]) { // a calendar method
+                                buttonClick = function () {
+                                    calendar[buttonName]();
+                                };
+                                (buttonText = calendarButtonTextOverrides[buttonName]) ||
+                                    (buttonIcon = theme.getIconClass(buttonName)) ||
+                                    (buttonText = calendarButtonText[buttonName]);
+                                //            ^ everything else is considered default
+                            }
+                            if (buttonClick) {
+                                buttonClasses = [
+                                    'fc-' + buttonName + '-button',
+                                    theme.getClass('button')
+                                ];
+                                if (buttonText) {
+                                    buttonInnerHtml = htmlEscape(buttonText);
+                                    buttonAriaAttr = '';
+                                }
+                                else if (buttonIcon) {
+                                    buttonInnerHtml = "<span class='" + buttonIcon + "'></span>";
+                                    buttonAriaAttr = ' aria-label="' + buttonName + '"';
+                                }
+                                buttonEl = htmlToElement(// type="button" so that it doesn't submit a form
+                                '<button type="button" class="' + buttonClasses.join(' ') + '"' +
+                                    buttonAriaAttr +
+                                    '>' + buttonInnerHtml + '</button>');
+                                buttonEl.addEventListener('click', buttonClick);
+                                groupChildren.push(buttonEl);
+                            }
+                        }
+                    });
+                    if (groupChildren.length > 1) {
+                        groupEl = document.createElement('div');
+                        var buttonGroupClassName = theme.getClass('buttonGroup');
+                        if (isOnlyButtons && buttonGroupClassName) {
+                            groupEl.classList.add(buttonGroupClassName);
+                        }
+                        appendToElement(groupEl, groupChildren);
+                        sectionEl.appendChild(groupEl);
+                    }
+                    else {
+                        appendToElement(sectionEl, groupChildren); // 1 or 0 children
+                    }
+                });
+            }
+            return sectionEl;
+        };
+        Toolbar.prototype.updateToday = function (isTodayEnabled) {
+            this.toggleButtonEnabled('today', isTodayEnabled);
+        };
+        Toolbar.prototype.updatePrev = function (isPrevEnabled) {
+            this.toggleButtonEnabled('prev', isPrevEnabled);
+        };
+        Toolbar.prototype.updateNext = function (isNextEnabled) {
+            this.toggleButtonEnabled('next', isNextEnabled);
+        };
+        Toolbar.prototype.updateTitle = function (text) {
+            findElements(this.el, 'h2').forEach(function (titleEl) {
+                titleEl.innerText = text;
+            });
+        };
+        Toolbar.prototype.updateActiveButton = function (buttonName) {
+            var theme = this.context.theme;
+            var className = theme.getClass('buttonActive');
+            findElements(this.el, 'button').forEach(function (buttonEl) {
+                if (buttonName && buttonEl.classList.contains('fc-' + buttonName + '-button')) {
+                    buttonEl.classList.add(className);
+                }
+                else {
+                    buttonEl.classList.remove(className);
+                }
+            });
+        };
+        Toolbar.prototype.toggleButtonEnabled = function (buttonName, bool) {
+            findElements(this.el, '.fc-' + buttonName + '-button').forEach(function (buttonEl) {
+                buttonEl.disabled = !bool;
+            });
+        };
+        return Toolbar;
+    }(Component));
+
+    var CalendarComponent = /** @class */ (function (_super) {
+        __extends(CalendarComponent, _super);
+        function CalendarComponent(el) {
+            var _this = _super.call(this) || this;
+            _this.elClassNames = [];
+            _this.renderSkeleton = memoizeRendering(_this._renderSkeleton, _this._unrenderSkeleton);
+            _this.renderToolbars = memoizeRendering(_this._renderToolbars, _this._unrenderToolbars, [_this.renderSkeleton]);
+            _this.buildComponentContext = memoize(buildComponentContext);
+            _this.buildViewPropTransformers = memoize(buildViewPropTransformers);
+            _this.el = el;
+            _this.computeTitle = memoize(computeTitle);
+            _this.parseBusinessHours = memoize(function (input) {
+                return parseBusinessHours(input, _this.context.calendar);
+            });
+            return _this;
+        }
+        CalendarComponent.prototype.render = function (props, context) {
+            this.freezeHeight();
+            var title = this.computeTitle(props.dateProfile, props.viewSpec.options);
+            this.renderSkeleton(context);
+            this.renderToolbars(props.viewSpec, props.dateProfile, props.currentDate, title);
+            this.renderView(props, title);
+            this.updateSize();
+            this.thawHeight();
+        };
+        CalendarComponent.prototype.destroy = function () {
+            if (this.header) {
+                this.header.destroy();
+            }
+            if (this.footer) {
+                this.footer.destroy();
+            }
+            this.renderSkeleton.unrender(); // will call destroyView
+            _super.prototype.destroy.call(this);
+        };
+        CalendarComponent.prototype._renderSkeleton = function (context) {
+            this.updateElClassNames(context);
+            prependToElement(this.el, this.contentEl = createElement('div', { className: 'fc-view-container' }));
+            var calendar = context.calendar;
+            for (var _i = 0, _a = calendar.pluginSystem.hooks.viewContainerModifiers; _i < _a.length; _i++) {
+                var modifyViewContainer = _a[_i];
+                modifyViewContainer(this.contentEl, calendar);
+            }
+        };
+        CalendarComponent.prototype._unrenderSkeleton = function () {
+            // weird to have this here
+            if (this.view) {
+                this.savedScroll = this.view.queryScroll();
+                this.view.destroy();
+                this.view = null;
+            }
+            removeElement(this.contentEl);
+            this.removeElClassNames();
+        };
+        CalendarComponent.prototype.removeElClassNames = function () {
+            var classList = this.el.classList;
+            for (var _i = 0, _a = this.elClassNames; _i < _a.length; _i++) {
+                var className = _a[_i];
+                classList.remove(className);
+            }
+            this.elClassNames = [];
+        };
+        CalendarComponent.prototype.updateElClassNames = function (context) {
+            this.removeElClassNames();
+            var theme = context.theme, options = context.options;
+            this.elClassNames = [
+                'fc',
+                'fc-' + options.dir,
+                theme.getClass('widget')
+            ];
+            var classList = this.el.classList;
+            for (var _i = 0, _a = this.elClassNames; _i < _a.length; _i++) {
+                var className = _a[_i];
+                classList.add(className);
+            }
+        };
+        CalendarComponent.prototype._renderToolbars = function (viewSpec, dateProfile, currentDate, title) {
+            var _a = this, context = _a.context, header = _a.header, footer = _a.footer;
+            var options = context.options, calendar = context.calendar;
+            var headerLayout = options.header;
+            var footerLayout = options.footer;
+            var dateProfileGenerator = this.props.dateProfileGenerator;
+            var now = calendar.getNow();
+            var todayInfo = dateProfileGenerator.build(now);
+            var prevInfo = dateProfileGenerator.buildPrev(dateProfile, currentDate);
+            var nextInfo = dateProfileGenerator.buildNext(dateProfile, currentDate);
+            var toolbarProps = {
+                title: title,
+                activeButton: viewSpec.type,
+                isTodayEnabled: todayInfo.isValid && !rangeContainsMarker(dateProfile.currentRange, now),
+                isPrevEnabled: prevInfo.isValid,
+                isNextEnabled: nextInfo.isValid
+            };
+            if (headerLayout) {
+                if (!header) {
+                    header = this.header = new Toolbar('fc-header-toolbar');
+                    prependToElement(this.el, header.el);
+                }
+                header.receiveProps(__assign({ layout: headerLayout }, toolbarProps), context);
+            }
+            else if (header) {
+                header.destroy();
+                header = this.header = null;
+            }
+            if (footerLayout) {
+                if (!footer) {
+                    footer = this.footer = new Toolbar('fc-footer-toolbar');
+                    appendToElement(this.el, footer.el);
+                }
+                footer.receiveProps(__assign({ layout: footerLayout }, toolbarProps), context);
+            }
+            else if (footer) {
+                footer.destroy();
+                footer = this.footer = null;
+            }
+        };
+        CalendarComponent.prototype._unrenderToolbars = function () {
+            if (this.header) {
+                this.header.destroy();
+                this.header = null;
+            }
+            if (this.footer) {
+                this.footer.destroy();
+                this.footer = null;
+            }
+        };
+        CalendarComponent.prototype.renderView = function (props, title) {
+            var view = this.view;
+            var _a = this.context, calendar = _a.calendar, options = _a.options;
+            var viewSpec = props.viewSpec, dateProfileGenerator = props.dateProfileGenerator;
+            if (!view || view.viewSpec !== viewSpec) {
+                if (view) {
+                    view.destroy();
+                }
+                view = this.view = new viewSpec['class'](viewSpec, this.contentEl);
+                if (this.savedScroll) {
+                    view.addScroll(this.savedScroll, true);
+                    this.savedScroll = null;
+                }
+            }
+            view.title = title; // for the API
+            var viewProps = {
+                dateProfileGenerator: dateProfileGenerator,
+                dateProfile: props.dateProfile,
+                businessHours: this.parseBusinessHours(viewSpec.options.businessHours),
+                eventStore: props.eventStore,
+                eventUiBases: props.eventUiBases,
+                dateSelection: props.dateSelection,
+                eventSelection: props.eventSelection,
+                eventDrag: props.eventDrag,
+                eventResize: props.eventResize
+            };
+            var transformers = this.buildViewPropTransformers(calendar.pluginSystem.hooks.viewPropsTransformers);
+            for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) {
+                var transformer = transformers_1[_i];
+                __assign(viewProps, transformer.transform(viewProps, viewSpec, props, options));
+            }
+            view.receiveProps(viewProps, this.buildComponentContext(this.context, viewSpec, view));
+        };
+        // Sizing
+        // -----------------------------------------------------------------------------------------------------------------
+        CalendarComponent.prototype.updateSize = function (isResize) {
+            if (isResize === void 0) { isResize = false; }
+            var view = this.view;
+            if (!view) {
+                return; // why?
+            }
+            if (isResize || this.isHeightAuto == null) {
+                this.computeHeightVars();
+            }
+            view.updateSize(isResize, this.viewHeight, this.isHeightAuto);
+            view.updateNowIndicator(); // we need to guarantee this will run after updateSize
+            view.popScroll(isResize);
+        };
+        CalendarComponent.prototype.computeHeightVars = function () {
+            var calendar = this.context.calendar; // yuck. need to handle dynamic options
+            var heightInput = calendar.opt('height');
+            var contentHeightInput = calendar.opt('contentHeight');
+            this.isHeightAuto = heightInput === 'auto' || contentHeightInput === 'auto';
+            if (typeof contentHeightInput === 'number') { // exists and not 'auto'
+                this.viewHeight = contentHeightInput;
+            }
+            else if (typeof contentHeightInput === 'function') { // exists and is a function
+                this.viewHeight = contentHeightInput();
+            }
+            else if (typeof heightInput === 'number') { // exists and not 'auto'
+                this.viewHeight = heightInput - this.queryToolbarsHeight();
+            }
+            else if (typeof heightInput === 'function') { // exists and is a function
+                this.viewHeight = heightInput() - this.queryToolbarsHeight();
+            }
+            else if (heightInput === 'parent') { // set to height of parent element
+                var parentEl = this.el.parentNode;
+                this.viewHeight = parentEl.getBoundingClientRect().height - this.queryToolbarsHeight();
+            }
+            else {
+                this.viewHeight = Math.round(this.contentEl.getBoundingClientRect().width /
+                    Math.max(calendar.opt('aspectRatio'), .5));
+            }
+        };
+        CalendarComponent.prototype.queryToolbarsHeight = function () {
+            var height = 0;
+            if (this.header) {
+                height += computeHeightAndMargins(this.header.el);
+            }
+            if (this.footer) {
+                height += computeHeightAndMargins(this.footer.el);
+            }
+            return height;
+        };
+        // Height "Freezing"
+        // -----------------------------------------------------------------------------------------------------------------
+        CalendarComponent.prototype.freezeHeight = function () {
+            applyStyle(this.el, {
+                height: this.el.getBoundingClientRect().height,
+                overflow: 'hidden'
+            });
+        };
+        CalendarComponent.prototype.thawHeight = function () {
+            applyStyle(this.el, {
+                height: '',
+                overflow: ''
+            });
+        };
+        return CalendarComponent;
+    }(Component));
+    // Title and Date Formatting
+    // -----------------------------------------------------------------------------------------------------------------
+    // Computes what the title at the top of the calendar should be for this view
+    function computeTitle(dateProfile, viewOptions) {
+        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 this.context.dateEnv.formatRange(range.start, range.end, createFormatter(viewOptions.titleFormat || computeTitleFormat(dateProfile), viewOptions.titleRangeSeparator), { isEndExclusive: dateProfile.isRangeAllDay });
+    }
+    // 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 computeTitleFormat(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' };
+            }
+        }
+    }
+    // build a context scoped to the view
+    function buildComponentContext(context, viewSpec, view) {
+        return context.extend(viewSpec.options, view);
+    }
+    // Plugin
+    // -----------------------------------------------------------------------------------------------------------------
+    function buildViewPropTransformers(theClasses) {
+        return theClasses.map(function (theClass) {
+            return new theClass();
+        });
+    }
+
+    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 = {};
+
+    /*
+    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 _a = component.context, calendar = _a.calendar, view = _a.view;
+                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-has-url');
+                    var url = hasUrlContainer ? hasUrlContainer.querySelector('a[href]').href : '';
+                    calendar.publiclyTrigger('eventClick', [
+                        {
+                            el: segEl,
+                            event: new EventApi(component.context.calendar, seg.eventRange.def, seg.eventRange.instance),
+                            jsEvent: ev,
+                            view: view
+                        }
+                    ]);
+                    if (url && !ev.defaultPrevented) {
+                        window.location.href = url;
+                    }
+                }
+            };
+            var component = settings.component;
+            _this.destroy = listenBySelector(component.el, 'click', component.fgSegSelector + ',' + component.bgSegSelector, _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
+                    segEl.classList.add('fc-allow-mouse-resize');
+                    _this.currentSegEl = segEl;
+                    _this.triggerEvent('eventMouseEnter', ev, segEl);
+                }
+            };
+            _this.handleSegLeave = function (ev, segEl) {
+                if (_this.currentSegEl) {
+                    segEl.classList.remove('fc-allow-mouse-resize');
+                    _this.currentSegEl = null;
+                    _this.triggerEvent('eventMouseLeave', ev, segEl);
+                }
+            };
+            var component = settings.component;
+            _this.removeHoverListeners = listenToHoverBySelector(component.el, component.fgSegSelector + ',' + component.bgSegSelector, _this.handleSegEnter, _this.handleSegLeave);
+            // how to make sure component already has context?
+            component.context.calendar.on('eventElRemove', _this.handleEventElRemove);
+            return _this;
+        }
+        EventHovering.prototype.destroy = function () {
+            this.removeHoverListeners();
+            this.component.context.calendar.off('eventElRemove', this.handleEventElRemove);
+        };
+        EventHovering.prototype.triggerEvent = function (publicEvName, ev, segEl) {
+            var component = this.component;
+            var _a = component.context, calendar = _a.calendar, view = _a.view;
+            var seg = getElSeg(segEl);
+            if (!ev || component.isValidSegDownEl(ev.target)) {
+                calendar.publiclyTrigger(publicEvName, [
+                    {
+                        el: segEl,
+                        event: new EventApi(calendar, seg.eventRange.def, seg.eventRange.instance),
+                        jsEvent: ev,
+                        view: view
+                    }
+                ]);
+            }
+        };
+        return EventHovering;
+    }(Interaction));
+
+    var StandardTheme = /** @class */ (function (_super) {
+        __extends(StandardTheme, _super);
+        function StandardTheme() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        return StandardTheme;
+    }(Theme));
+    StandardTheme.prototype.classes = {
+        widget: 'fc-unthemed',
+        widgetHeader: 'fc-widget-header',
+        widgetContent: 'fc-widget-content',
+        buttonGroup: 'fc-button-group',
+        button: 'fc-button fc-button-primary',
+        buttonActive: 'fc-button-active',
+        popoverHeader: 'fc-widget-header',
+        popoverContent: 'fc-widget-content',
+        // day grid
+        headerRow: 'fc-widget-header',
+        dayRow: 'fc-widget-content',
+        // list view
+        listView: 'fc-widget-content'
+    };
+    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.iconOverrideOption = 'buttonIcons';
+    StandardTheme.prototype.iconOverrideCustomButtonOption = 'icon';
+    StandardTheme.prototype.iconOverridePrefix = 'fc-icon-';
+
+    var Calendar = /** @class */ (function () {
+        function Calendar(el, overrides) {
+            var _this = this;
+            this.buildComponentContext = memoize(buildComponentContext$1);
+            this.parseRawLocales = memoize(parseRawLocales);
+            this.buildLocale = memoize(buildLocale);
+            this.buildDateEnv = memoize(buildDateEnv);
+            this.buildTheme = memoize(buildTheme);
+            this.buildEventUiSingleBase = memoize(this._buildEventUiSingleBase);
+            this.buildSelectionConfig = memoize(this._buildSelectionConfig);
+            this.buildEventUiBySource = memoizeOutput(buildEventUiBySource, isPropsEqual);
+            this.buildEventUiBases = memoize(buildEventUiBases);
+            this.interactionsStore = {};
+            this.actionQueue = [];
+            this.isReducing = false;
+            // isDisplaying: boolean = false // installed in DOM? accepting renders?
+            this.needsRerender = false; // needs a render?
+            this.isRendering = false; // currently in the executeRender function?
+            this.renderingPauseDepth = 0;
+            this.buildDelayedRerender = memoize(buildDelayedRerender);
+            this.afterSizingTriggers = {};
+            this.isViewUpdated = false;
+            this.isDatesUpdated = false;
+            this.isEventsUpdated = false;
+            this.el = el;
+            this.optionsManager = new OptionsManager(overrides || {});
+            this.pluginSystem = new PluginSystem();
+            // only do once. don't do in handleOptions. because can't remove plugins
+            this.addPluginInputs(this.optionsManager.computed.plugins || []);
+            this.handleOptions(this.optionsManager.computed);
+            this.publiclyTrigger('_init'); // for tests
+            this.hydrate();
+            this.calendarInteractions = this.pluginSystem.hooks.calendarInteractions
+                .map(function (calendarInteractionClass) {
+                return new calendarInteractionClass(_this);
+            });
+        }
+        Calendar.prototype.addPluginInputs = function (pluginInputs) {
+            var pluginDefs = refinePluginDefs(pluginInputs);
+            for (var _i = 0, pluginDefs_1 = pluginDefs; _i < pluginDefs_1.length; _i++) {
+                var pluginDef = pluginDefs_1[_i];
+                this.pluginSystem.add(pluginDef);
+            }
+        };
+        Object.defineProperty(Calendar.prototype, "view", {
+            // public API
+            get: function () {
+                return this.component ? this.component.view : null;
+            },
+            enumerable: true,
+            configurable: true
+        });
+        // Public API for rendering
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.render = function () {
+            if (!this.component) {
+                this.component = new CalendarComponent(this.el);
+                this.renderableEventStore = createEmptyEventStore();
+                this.bindHandlers();
+                this.executeRender();
+            }
+            else {
+                this.requestRerender();
+            }
+        };
+        Calendar.prototype.destroy = function () {
+            if (this.component) {
+                this.unbindHandlers();
+                this.component.destroy(); // don't null-out. in case API needs access
+                this.component = null; // umm ???
+                for (var _i = 0, _a = this.calendarInteractions; _i < _a.length; _i++) {
+                    var interaction = _a[_i];
+                    interaction.destroy();
+                }
+                this.publiclyTrigger('_destroyed');
+            }
+        };
+        // Handlers
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.bindHandlers = function () {
+            var _this = this;
+            // event delegation for nav links
+            this.removeNavLinkListener = listenBySelector(this.el, 'click', 'a[data-goto]', function (ev, anchorEl) {
+                var gotoOptions = anchorEl.getAttribute('data-goto');
+                gotoOptions = gotoOptions ? JSON.parse(gotoOptions) : {};
+                var dateEnv = _this.dateEnv;
+                var dateMarker = dateEnv.createMarker(gotoOptions.date);
+                var viewType = gotoOptions.type;
+                // property like "navLinkDayClick". might be a string or a function
+                var customAction = _this.viewOpt('navLink' + capitaliseFirstLetter(viewType) + 'Click');
+                if (typeof customAction === 'function') {
+                    customAction(dateEnv.toDate(dateMarker), ev);
+                }
+                else {
+                    if (typeof customAction === 'string') {
+                        viewType = customAction;
+                    }
+                    _this.zoomTo(dateMarker, viewType);
+                }
+            });
+            if (this.opt('handleWindowResize')) {
+                window.addEventListener('resize', this.windowResizeProxy = debounce(// prevents rapid calls
+                this.windowResize.bind(this), this.opt('windowResizeDelay')));
+            }
+        };
+        Calendar.prototype.unbindHandlers = function () {
+            this.removeNavLinkListener();
+            if (this.windowResizeProxy) {
+                window.removeEventListener('resize', this.windowResizeProxy);
+                this.windowResizeProxy = null;
+            }
+        };
+        // Dispatcher
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.hydrate = function () {
+            var _this = this;
+            this.state = this.buildInitialState();
+            var rawSources = this.opt('eventSources') || [];
+            var singleRawSource = this.opt('events');
+            var sources = []; // parsed
+            if (singleRawSource) {
+                rawSources.unshift(singleRawSource);
+            }
+            for (var _i = 0, rawSources_1 = rawSources; _i < rawSources_1.length; _i++) {
+                var rawSource = rawSources_1[_i];
+                var source = parseEventSource(rawSource, this);
+                if (source) {
+                    sources.push(source);
+                }
+            }
+            this.batchRendering(function () {
+                _this.dispatch({ type: 'INIT' }); // pass in sources here?
+                _this.dispatch({ type: 'ADD_EVENT_SOURCES', sources: sources });
+                _this.dispatch({
+                    type: 'SET_VIEW_TYPE',
+                    viewType: _this.opt('defaultView') || _this.pluginSystem.hooks.defaultView
+                });
+            });
+        };
+        Calendar.prototype.buildInitialState = function () {
+            return {
+                viewType: null,
+                loadingLevel: 0,
+                eventSourceLoadingLevel: 0,
+                currentDate: this.getInitialDate(),
+                dateProfile: null,
+                eventSources: {},
+                eventStore: createEmptyEventStore(),
+                dateSelection: null,
+                eventSelection: '',
+                eventDrag: null,
+                eventResize: null
+            };
+        };
+        Calendar.prototype.dispatch = function (action) {
+            this.actionQueue.push(action);
+            if (!this.isReducing) {
+                this.isReducing = true;
+                var oldState = this.state;
+                while (this.actionQueue.length) {
+                    this.state = this.reduce(this.state, this.actionQueue.shift(), this);
+                }
+                var newState = this.state;
+                this.isReducing = false;
+                if (!oldState.loadingLevel && newState.loadingLevel) {
+                    this.publiclyTrigger('loading', [true]);
+                }
+                else if (oldState.loadingLevel && !newState.loadingLevel) {
+                    this.publiclyTrigger('loading', [false]);
+                }
+                var view = this.component && this.component.view;
+                if (oldState.eventStore !== newState.eventStore) {
+                    if (oldState.eventStore) {
+                        this.isEventsUpdated = true;
+                    }
+                }
+                if (oldState.dateProfile !== newState.dateProfile) {
+                    if (oldState.dateProfile && view) { // why would view be null!?
+                        this.publiclyTrigger('datesDestroy', [
+                            {
+                                view: view,
+                                el: view.el
+                            }
+                        ]);
+                    }
+                    this.isDatesUpdated = true;
+                }
+                if (oldState.viewType !== newState.viewType) {
+                    if (oldState.viewType && view) { // why would view be null!?
+                        this.publiclyTrigger('viewSkeletonDestroy', [
+                            {
+                                view: view,
+                                el: view.el
+                            }
+                        ]);
+                    }
+                    this.isViewUpdated = true;
+                }
+                this.requestRerender();
+            }
+        };
+        Calendar.prototype.reduce = function (state, action, calendar) {
+            return reduce(state, action, calendar);
+        };
+        // Render Queue
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.requestRerender = function () {
+            this.needsRerender = true;
+            this.delayedRerender(); // will call a debounced-version of tryRerender
+        };
+        Calendar.prototype.tryRerender = function () {
+            if (this.component && // must be accepting renders
+                this.needsRerender && // indicates that a rerender was requested
+                !this.renderingPauseDepth && // not paused
+                !this.isRendering // not currently in the render loop
+            ) {
+                this.executeRender();
+            }
+        };
+        Calendar.prototype.batchRendering = function (func) {
+            this.renderingPauseDepth++;
+            func();
+            this.renderingPauseDepth--;
+            if (this.needsRerender) {
+                this.requestRerender();
+            }
+        };
+        // Rendering
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.executeRender = function () {
+            // clear these BEFORE the render so that new values will accumulate during render
+            this.needsRerender = false;
+            this.isRendering = true;
+            this.renderComponent();
+            this.isRendering = false;
+            // received a rerender request while rendering
+            if (this.needsRerender) {
+                this.delayedRerender();
+            }
+        };
+        /*
+        don't call this directly. use executeRender instead
+        */
+        Calendar.prototype.renderComponent = function () {
+            var _a = this, state = _a.state, component = _a.component;
+            var viewType = state.viewType;
+            var viewSpec = this.viewSpecs[viewType];
+            if (!viewSpec) {
+                throw new Error("View type \"" + viewType + "\" is not valid");
+            }
+            // if event sources are still loading and progressive rendering hasn't been enabled,
+            // keep rendering the last fully loaded set of events
+            var renderableEventStore = this.renderableEventStore =
+                (state.eventSourceLoadingLevel && !this.opt('progressiveEventRendering')) ?
+                    this.renderableEventStore :
+                    state.eventStore;
+            var eventUiSingleBase = this.buildEventUiSingleBase(viewSpec.options);
+            var eventUiBySource = this.buildEventUiBySource(state.eventSources);
+            var eventUiBases = this.eventUiBases = this.buildEventUiBases(renderableEventStore.defs, eventUiSingleBase, eventUiBySource);
+            component.receiveProps(__assign({}, state, { viewSpec: viewSpec, dateProfileGenerator: this.dateProfileGenerators[viewType], dateProfile: state.dateProfile, eventStore: renderableEventStore, eventUiBases: eventUiBases, dateSelection: state.dateSelection, eventSelection: state.eventSelection, eventDrag: state.eventDrag, eventResize: state.eventResize }), this.buildComponentContext(this.theme, this.dateEnv, this.optionsManager.computed));
+            if (this.isViewUpdated) {
+                this.isViewUpdated = false;
+                this.publiclyTrigger('viewSkeletonRender', [
+                    {
+                        view: component.view,
+                        el: component.view.el
+                    }
+                ]);
+            }
+            if (this.isDatesUpdated) {
+                this.isDatesUpdated = false;
+                this.publiclyTrigger('datesRender', [
+                    {
+                        view: component.view,
+                        el: component.view.el
+                    }
+                ]);
+            }
+            if (this.isEventsUpdated) {
+                this.isEventsUpdated = false;
+            }
+            this.releaseAfterSizingTriggers();
+        };
+        // Options
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.setOption = function (name, val) {
+            var _a;
+            this.mutateOptions((_a = {}, _a[name] = val, _a), [], true);
+        };
+        Calendar.prototype.getOption = function (name) {
+            return this.optionsManager.computed[name];
+        };
+        Calendar.prototype.opt = function (name) {
+            return this.optionsManager.computed[name];
+        };
+        Calendar.prototype.viewOpt = function (name) {
+            return this.viewOpts()[name];
+        };
+        Calendar.prototype.viewOpts = function () {
+            return this.viewSpecs[this.state.viewType].options;
+        };
+        /*
+        handles option changes (like a diff)
+        */
+        Calendar.prototype.mutateOptions = function (updates, removals, isDynamic, deepEqual) {
+            var _this = this;
+            var changeHandlers = this.pluginSystem.hooks.optionChangeHandlers;
+            var normalUpdates = {};
+            var specialUpdates = {};
+            var oldDateEnv = this.dateEnv; // do this before handleOptions
+            var isTimeZoneDirty = false;
+            var isSizeDirty = false;
+            var anyDifficultOptions = Boolean(removals.length);
+            for (var name_1 in updates) {
+                if (changeHandlers[name_1]) {
+                    specialUpdates[name_1] = updates[name_1];
+                }
+                else {
+                    normalUpdates[name_1] = updates[name_1];
+                }
+            }
+            for (var name_2 in normalUpdates) {
+                if (/^(height|contentHeight|aspectRatio)$/.test(name_2)) {
+                    isSizeDirty = true;
+                }
+                else if (/^(defaultDate|defaultView)$/.test(name_2)) ;
+                else {
+                    anyDifficultOptions = true;
+                    if (name_2 === 'timeZone') {
+                        isTimeZoneDirty = true;
+                    }
+                }
+            }
+            this.optionsManager.mutate(normalUpdates, removals, isDynamic);
+            if (anyDifficultOptions) {
+                this.handleOptions(this.optionsManager.computed);
+            }
+            this.batchRendering(function () {
+                if (anyDifficultOptions) {
+                    if (isTimeZoneDirty) {
+                        _this.dispatch({
+                            type: 'CHANGE_TIMEZONE',
+                            oldDateEnv: oldDateEnv
+                        });
+                    }
+                    /* HACK
+                    has the same effect as calling this.requestRerender()
+                    but recomputes the state's dateProfile
+                    */
+                    _this.dispatch({
+                        type: 'SET_VIEW_TYPE',
+                        viewType: _this.state.viewType
+                    });
+                }
+                else if (isSizeDirty) {
+                    _this.updateSize();
+                }
+                // special updates
+                if (deepEqual) {
+                    for (var name_3 in specialUpdates) {
+                        changeHandlers[name_3](specialUpdates[name_3], _this, deepEqual);
+                    }
+                }
+            });
+        };
+        /*
+        rebuilds things based off of a complete set of refined options
+        */
+        Calendar.prototype.handleOptions = function (options) {
+            var _this = this;
+            var pluginHooks = this.pluginSystem.hooks;
+            this.defaultAllDayEventDuration = createDuration(options.defaultAllDayEventDuration);
+            this.defaultTimedEventDuration = createDuration(options.defaultTimedEventDuration);
+            this.delayedRerender = this.buildDelayedRerender(options.rerenderDelay);
+            this.theme = this.buildTheme(options);
+            var available = this.parseRawLocales(options.locales);
+            this.availableRawLocales = available.map;
+            var locale = this.buildLocale(options.locale || available.defaultCode, available.map);
+            this.dateEnv = this.buildDateEnv(locale, options.timeZone, pluginHooks.namedTimeZonedImpl, options.firstDay, options.weekNumberCalculation, options.weekLabel, pluginHooks.cmdFormatter);
+            this.selectionConfig = this.buildSelectionConfig(options); // needs dateEnv. do after :(
+            // ineffecient to do every time?
+            this.viewSpecs = buildViewSpecs(pluginHooks.views, this.optionsManager);
+            // ineffecient to do every time?
+            this.dateProfileGenerators = mapHash(this.viewSpecs, function (viewSpec) {
+                return new viewSpec.class.prototype.dateProfileGeneratorClass(viewSpec, _this);
+            });
+        };
+        Calendar.prototype.getAvailableLocaleCodes = function () {
+            return Object.keys(this.availableRawLocales);
+        };
+        Calendar.prototype._buildSelectionConfig = function (rawOpts) {
+            return processScopedUiProps('select', rawOpts, this);
+        };
+        Calendar.prototype._buildEventUiSingleBase = function (rawOpts) {
+            if (rawOpts.editable) { // so 'editable' affected events
+                rawOpts = __assign({}, rawOpts, { eventEditable: true });
+            }
+            return processScopedUiProps('event', rawOpts, this);
+        };
+        // Trigger
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.hasPublicHandlers = function (name) {
+            return this.hasHandlers(name) ||
+                this.opt(name); // handler specified in options
+        };
+        Calendar.prototype.publiclyTrigger = function (name, args) {
+            var optHandler = this.opt(name);
+            this.triggerWith(name, this, args);
+            if (optHandler) {
+                return optHandler.apply(this, args);
+            }
+        };
+        Calendar.prototype.publiclyTriggerAfterSizing = function (name, args) {
+            var afterSizingTriggers = this.afterSizingTriggers;
+            (afterSizingTriggers[name] || (afterSizingTriggers[name] = [])).push(args);
+        };
+        Calendar.prototype.releaseAfterSizingTriggers = function () {
+            var afterSizingTriggers = this.afterSizingTriggers;
+            for (var name_4 in afterSizingTriggers) {
+                for (var _i = 0, _a = afterSizingTriggers[name_4]; _i < _a.length; _i++) {
+                    var args = _a[_i];
+                    this.publiclyTrigger(name_4, args);
+                }
+            }
+            this.afterSizingTriggers = {};
+        };
+        // View
+        // -----------------------------------------------------------------------------------------------------------------
+        // Returns a boolean about whether the view is okay to instantiate at some point
+        Calendar.prototype.isValidViewType = function (viewType) {
+            return Boolean(this.viewSpecs[viewType]);
+        };
+        Calendar.prototype.changeView = function (viewType, dateOrRange) {
+            var dateMarker = null;
+            if (dateOrRange) {
+                if (dateOrRange.start && dateOrRange.end) { // a range
+                    this.optionsManager.mutate({ visibleRange: dateOrRange }, []); // will not rerender
+                    this.handleOptions(this.optionsManager.computed); // ...but yuck
+                }
+                else { // a date
+                    dateMarker = this.dateEnv.createMarker(dateOrRange); // just like gotoDate
+                }
+            }
+            this.unselect();
+            this.dispatch({
+                type: 'SET_VIEW_TYPE',
+                viewType: viewType,
+                dateMarker: dateMarker
+            });
+        };
+        // 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
+        Calendar.prototype.zoomTo = function (dateMarker, viewType) {
+            var spec;
+            viewType = viewType || 'day'; // day is default zoom
+            spec = this.viewSpecs[viewType] ||
+                this.getUnitViewSpec(viewType);
+            this.unselect();
+            if (spec) {
+                this.dispatch({
+                    type: 'SET_VIEW_TYPE',
+                    viewType: spec.type,
+                    dateMarker: dateMarker
+                });
+            }
+            else {
+                this.dispatch({
+                    type: 'SET_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.
+        Calendar.prototype.getUnitViewSpec = function (unit) {
+            var component = this.component;
+            var viewTypes = [];
+            var i;
+            var spec;
+            // put views that have buttons first. there will be duplicates, but oh
+            if (component.header) {
+                viewTypes.push.apply(viewTypes, component.header.viewsWithButtons);
+            }
+            if (component.footer) {
+                viewTypes.push.apply(viewTypes, component.footer.viewsWithButtons);
+            }
+            for (var viewType in this.viewSpecs) {
+                viewTypes.push(viewType);
+            }
+            for (i = 0; i < viewTypes.length; i++) {
+                spec = this.viewSpecs[viewTypes[i]];
+                if (spec) {
+                    if (spec.singleUnit === unit) {
+                        return spec;
+                    }
+                }
+            }
+        };
+        // Current Date
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.getInitialDate = function () {
+            var defaultDateInput = this.opt('defaultDate');
+            // compute the initial ambig-timezone date
+            if (defaultDateInput != null) {
+                return this.dateEnv.createMarker(defaultDateInput);
+            }
+            else {
+                return this.getNow(); // getNow already returns unzoned
+            }
+        };
+        Calendar.prototype.prev = function () {
+            this.unselect();
+            this.dispatch({ type: 'PREV' });
+        };
+        Calendar.prototype.next = function () {
+            this.unselect();
+            this.dispatch({ type: 'NEXT' });
+        };
+        Calendar.prototype.prevYear = function () {
+            this.unselect();
+            this.dispatch({
+                type: 'SET_DATE',
+                dateMarker: this.dateEnv.addYears(this.state.currentDate, -1)
+            });
+        };
+        Calendar.prototype.nextYear = function () {
+            this.unselect();
+            this.dispatch({
+                type: 'SET_DATE',
+                dateMarker: this.dateEnv.addYears(this.state.currentDate, 1)
+            });
+        };
+        Calendar.prototype.today = function () {
+            this.unselect();
+            this.dispatch({
+                type: 'SET_DATE',
+                dateMarker: this.getNow()
+            });
+        };
+        Calendar.prototype.gotoDate = function (zonedDateInput) {
+            this.unselect();
+            this.dispatch({
+                type: 'SET_DATE',
+                dateMarker: this.dateEnv.createMarker(zonedDateInput)
+            });
+        };
+        Calendar.prototype.incrementDate = function (deltaInput) {
+            var delta = createDuration(deltaInput);
+            if (delta) { // else, warn about invalid input?
+                this.unselect();
+                this.dispatch({
+                    type: 'SET_DATE',
+                    dateMarker: this.dateEnv.add(this.state.currentDate, delta)
+                });
+            }
+        };
+        // for external API
+        Calendar.prototype.getDate = function () {
+            return this.dateEnv.toDate(this.state.currentDate);
+        };
+        // Date Formatting Utils
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.formatDate = function (d, formatter) {
+            var dateEnv = this.dateEnv;
+            return dateEnv.format(dateEnv.createMarker(d), createFormatter(formatter));
+        };
+        // `settings` is for formatter AND isEndExclusive
+        Calendar.prototype.formatRange = function (d0, d1, settings) {
+            var dateEnv = this.dateEnv;
+            return dateEnv.formatRange(dateEnv.createMarker(d0), dateEnv.createMarker(d1), createFormatter(settings, this.opt('defaultRangeSeparator')), settings);
+        };
+        Calendar.prototype.formatIso = function (d, omitTime) {
+            var dateEnv = this.dateEnv;
+            return dateEnv.formatIso(dateEnv.createMarker(d), { omitTime: omitTime });
+        };
+        // Sizing
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.windowResize = function (ev) {
+            if (!this.isHandlingWindowResize &&
+                this.component && // why?
+                ev.target === window // not a jqui resize event
+            ) {
+                this.isHandlingWindowResize = true;
+                this.updateSize();
+                this.publiclyTrigger('windowResize', [this.view]);
+                this.isHandlingWindowResize = false;
+            }
+        };
+        Calendar.prototype.updateSize = function () {
+            if (this.component) { // when?
+                this.component.updateSize(true);
+            }
+        };
+        // Component Registration
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.registerInteractiveComponent = function (component, settingsInput) {
+            var settings = parseInteractionSettings(component, settingsInput);
+            var DEFAULT_INTERACTIONS = [
+                EventClicking,
+                EventHovering
+            ];
+            var interactionClasses = DEFAULT_INTERACTIONS.concat(this.pluginSystem.hooks.componentInteractions);
+            var interactions = interactionClasses.map(function (interactionClass) {
+                return new interactionClass(settings);
+            });
+            this.interactionsStore[component.uid] = interactions;
+            interactionSettingsStore[component.uid] = settings;
+        };
+        Calendar.prototype.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];
+        };
+        // Date Selection / Event Selection / DayClick
+        // -----------------------------------------------------------------------------------------------------------------
+        // this public method receives start/end dates in any format, with any timezone
+        // NOTE: args were changed from v3
+        Calendar.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 selection = parseDateSpan(selectionInput, this.dateEnv, createDuration({ days: 1 }) // TODO: cache this?
+            );
+            if (selection) { // throw parse error otherwise?
+                this.dispatch({ type: 'SELECT_DATES', selection: selection });
+                this.triggerDateSelect(selection);
+            }
+        };
+        // public method
+        Calendar.prototype.unselect = function (pev) {
+            if (this.state.dateSelection) {
+                this.dispatch({ type: 'UNSELECT_DATES' });
+                this.triggerDateUnselect(pev);
+            }
+        };
+        Calendar.prototype.triggerDateSelect = function (selection, pev) {
+            var arg = __assign({}, this.buildDateSpanApi(selection), { jsEvent: pev ? pev.origEvent : null, view: this.view });
+            this.publiclyTrigger('select', [arg]);
+        };
+        Calendar.prototype.triggerDateUnselect = function (pev) {
+            this.publiclyTrigger('unselect', [
+                {
+                    jsEvent: pev ? pev.origEvent : null,
+                    view: this.view
+                }
+            ]);
+        };
+        // TODO: receive pev?
+        Calendar.prototype.triggerDateClick = function (dateSpan, dayEl, view, ev) {
+            var arg = __assign({}, this.buildDatePointApi(dateSpan), { dayEl: dayEl, jsEvent: ev, // Is this always a mouse event? See #4655
+                view: view });
+            this.publiclyTrigger('dateClick', [arg]);
+        };
+        Calendar.prototype.buildDatePointApi = function (dateSpan) {
+            var props = {};
+            for (var _i = 0, _a = this.pluginSystem.hooks.datePointTransforms; _i < _a.length; _i++) {
+                var transform = _a[_i];
+                __assign(props, transform(dateSpan, this));
+            }
+            __assign(props, buildDatePointApi(dateSpan, this.dateEnv));
+            return props;
+        };
+        Calendar.prototype.buildDateSpanApi = function (dateSpan) {
+            var props = {};
+            for (var _i = 0, _a = this.pluginSystem.hooks.dateSpanTransforms; _i < _a.length; _i++) {
+                var transform = _a[_i];
+                __assign(props, transform(dateSpan, this));
+            }
+            __assign(props, buildDateSpanApi(dateSpan, this.dateEnv));
+            return props;
+        };
+        // Date Utils
+        // -----------------------------------------------------------------------------------------------------------------
+        // Returns a DateMarker for the current date, as defined by the client's computer or from the `now` option
+        Calendar.prototype.getNow = function () {
+            var now = this.opt('now');
+            if (typeof now === 'function') {
+                now = now();
+            }
+            if (now == null) {
+                return this.dateEnv.createNowMarker();
+            }
+            return this.dateEnv.createMarker(now);
+        };
+        // Event-Date Utilities
+        // -----------------------------------------------------------------------------------------------------------------
+        // Given an event's allDay status and start date, return what its fallback end date should be.
+        // TODO: rename to computeDefaultEventEnd
+        Calendar.prototype.getDefaultEventEnd = function (allDay, marker) {
+            var end = marker;
+            if (allDay) {
+                end = startOfDay(end);
+                end = this.dateEnv.add(end, this.defaultAllDayEventDuration);
+            }
+            else {
+                end = this.dateEnv.add(end, this.defaultTimedEventDuration);
+            }
+            return end;
+        };
+        // Public Events API
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.addEvent = function (eventInput, sourceInput) {
+            if (eventInput instanceof EventApi) {
+                var def = eventInput._def;
+                var instance = eventInput._instance;
+                // not already present? don't want to add an old snapshot
+                if (!this.state.eventStore.defs[def.defId]) {
+                    this.dispatch({
+                        type: 'ADD_EVENTS',
+                        eventStore: eventTupleToStore({ def: def, instance: instance }) // TODO: better util for two args?
+                    });
+                }
+                return eventInput;
+            }
+            var sourceId;
+            if (sourceInput instanceof EventSourceApi) {
+                sourceId = sourceInput.internalEventSource.sourceId;
+            }
+            else if (sourceInput != null) {
+                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 {
+                    sourceId = sourceApi.internalEventSource.sourceId;
+                }
+            }
+            var tuple = parseEvent(eventInput, sourceId, this);
+            if (tuple) {
+                this.dispatch({
+                    type: 'ADD_EVENTS',
+                    eventStore: eventTupleToStore(tuple)
+                });
+                return new EventApi(this, tuple.def, tuple.def.recurringDef ? null : tuple.instance);
+            }
+            return null;
+        };
+        // TODO: optimize
+        Calendar.prototype.getEventById = function (id) {
+            var _a = this.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(this, def, null);
+                    }
+                    else {
+                        for (var instanceId in instances) {
+                            var instance = instances[instanceId];
+                            if (instance.defId === def.defId) {
+                                return new EventApi(this, def, instance);
+                            }
+                        }
+                    }
+                }
+            }
+            return null;
+        };
+        Calendar.prototype.getEvents = function () {
+            var _a = this.state.eventStore, defs = _a.defs, instances = _a.instances;
+            var eventApis = [];
+            for (var id in instances) {
+                var instance = instances[id];
+                var def = defs[instance.defId];
+                eventApis.push(new EventApi(this, def, instance));
+            }
+            return eventApis;
+        };
+        Calendar.prototype.removeAllEvents = function () {
+            this.dispatch({ type: 'REMOVE_ALL_EVENTS' });
+        };
+        Calendar.prototype.rerenderEvents = function () {
+            this.dispatch({ type: 'RESET_EVENTS' });
+        };
+        // Public Event Sources API
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.getEventSources = function () {
+            var sourceHash = this.state.eventSources;
+            var sourceApis = [];
+            for (var internalId in sourceHash) {
+                sourceApis.push(new EventSourceApi(this, sourceHash[internalId]));
+            }
+            return sourceApis;
+        };
+        Calendar.prototype.getEventSourceById = function (id) {
+            var sourceHash = this.state.eventSources;
+            id = String(id);
+            for (var sourceId in sourceHash) {
+                if (sourceHash[sourceId].publicId === id) {
+                    return new EventSourceApi(this, sourceHash[sourceId]);
+                }
+            }
+            return null;
+        };
+        Calendar.prototype.addEventSource = function (sourceInput) {
+            if (sourceInput instanceof EventSourceApi) {
+                // not already present? don't want to add an old snapshot
+                if (!this.state.eventSources[sourceInput.internalEventSource.sourceId]) {
+                    this.dispatch({
+                        type: 'ADD_EVENT_SOURCES',
+                        sources: [sourceInput.internalEventSource]
+                    });
+                }
+                return sourceInput;
+            }
+            var eventSource = parseEventSource(sourceInput, this);
+            if (eventSource) { // TODO: error otherwise?
+                this.dispatch({ type: 'ADD_EVENT_SOURCES', sources: [eventSource] });
+                return new EventSourceApi(this, eventSource);
+            }
+            return null;
+        };
+        Calendar.prototype.removeAllEventSources = function () {
+            this.dispatch({ type: 'REMOVE_ALL_EVENT_SOURCES' });
+        };
+        Calendar.prototype.refetchEvents = function () {
+            this.dispatch({ type: 'FETCH_EVENT_SOURCES' });
+        };
+        // Scroll
+        // -----------------------------------------------------------------------------------------------------------------
+        Calendar.prototype.scrollToTime = function (timeInput) {
+            var duration = createDuration(timeInput);
+            if (duration) {
+                this.component.view.scrollToDuration(duration);
+            }
+        };
+        return Calendar;
+    }());
+    EmitterMixin.mixInto(Calendar);
+    // for memoizers
+    // -----------------------------------------------------------------------------------------------------------------
+    function buildComponentContext$1(theme, dateEnv, options) {
+        return new ComponentContext(this, theme, dateEnv, options, null);
+    }
+    function buildDateEnv(locale, timeZone, namedTimeZoneImpl, firstDay, weekNumberCalculation, weekLabel, cmdFormatter) {
+        return new DateEnv({
+            calendarSystem: 'gregory',
+            timeZone: timeZone,
+            namedTimeZoneImpl: namedTimeZoneImpl,
+            locale: locale,
+            weekNumberCalculation: weekNumberCalculation,
+            firstDay: firstDay,
+            weekLabel: weekLabel,
+            cmdFormatter: cmdFormatter
+        });
+    }
+    function buildTheme(calendarOptions) {
+        var themeClass = this.pluginSystem.hooks.themeClasses[calendarOptions.themeSystem] || StandardTheme;
+        return new themeClass(calendarOptions);
+    }
+    function buildDelayedRerender(wait) {
+        var func = this.tryRerender.bind(this);
+        if (wait != null) {
+            func = debounce(func, wait);
+        }
+        return func;
+    }
+    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;
+    }
+
+    var View = /** @class */ (function (_super) {
+        __extends(View, _super);
+        function View(viewSpec, parentEl) {
+            var _this = _super.call(this, createElement('div', { className: 'fc-view fc-' + viewSpec.type + '-view' })) || this;
+            _this.renderDatesMem = memoizeRendering(_this.renderDatesWrap, _this.unrenderDatesWrap);
+            _this.renderBusinessHoursMem = memoizeRendering(_this.renderBusinessHours, _this.unrenderBusinessHours, [_this.renderDatesMem]);
+            _this.renderDateSelectionMem = memoizeRendering(_this.renderDateSelectionWrap, _this.unrenderDateSelectionWrap, [_this.renderDatesMem]);
+            _this.renderEventsMem = memoizeRendering(_this.renderEvents, _this.unrenderEvents, [_this.renderDatesMem]);
+            _this.renderEventSelectionMem = memoizeRendering(_this.renderEventSelectionWrap, _this.unrenderEventSelectionWrap, [_this.renderEventsMem]);
+            _this.renderEventDragMem = memoizeRendering(_this.renderEventDragWrap, _this.unrenderEventDragWrap, [_this.renderDatesMem]);
+            _this.renderEventResizeMem = memoizeRendering(_this.renderEventResizeWrap, _this.unrenderEventResizeWrap, [_this.renderDatesMem]);
+            _this.viewSpec = viewSpec;
+            _this.type = viewSpec.type;
+            parentEl.appendChild(_this.el);
+            _this.initialize();
+            return _this;
+        }
+        View.prototype.initialize = function () {
+        };
+        Object.defineProperty(View.prototype, "activeStart", {
+            // Date Setting/Unsetting
+            // -----------------------------------------------------------------------------------------------------------------
+            get: function () {
+                return this.context.dateEnv.toDate(this.props.dateProfile.activeRange.start);
+            },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(View.prototype, "activeEnd", {
+            get: function () {
+                return this.context.dateEnv.toDate(this.props.dateProfile.activeRange.end);
+            },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(View.prototype, "currentStart", {
+            get: function () {
+                return this.context.dateEnv.toDate(this.props.dateProfile.currentRange.start);
+            },
+            enumerable: true,
+            configurable: true
+        });
+        Object.defineProperty(View.prototype, "currentEnd", {
+            get: function () {
+                return this.context.dateEnv.toDate(this.props.dateProfile.currentRange.end);
+            },
+            enumerable: true,
+            configurable: true
+        });
+        // General Rendering
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.render = function (props, context) {
+            this.renderDatesMem(props.dateProfile);
+            this.renderBusinessHoursMem(props.businessHours);
+            this.renderDateSelectionMem(props.dateSelection);
+            this.renderEventsMem(props.eventStore);
+            this.renderEventSelectionMem(props.eventSelection);
+            this.renderEventDragMem(props.eventDrag);
+            this.renderEventResizeMem(props.eventResize);
+        };
+        View.prototype.beforeUpdate = function () {
+            this.addScroll(this.queryScroll());
+        };
+        View.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.renderDatesMem.unrender(); // should unrender everything else
+        };
+        // Sizing
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.updateSize = function (isResize, viewHeight, isAuto) {
+            var calendar = this.context.calendar;
+            if (isResize) {
+                this.addScroll(this.queryScroll()); // NOTE: same code as in beforeUpdate
+            }
+            if (isResize || // HACKS...
+                calendar.isViewUpdated ||
+                calendar.isDatesUpdated ||
+                calendar.isEventsUpdated) {
+                // sort of the catch-all sizing
+                // anything that might cause dimension changes
+                this.updateBaseSize(isResize, viewHeight, isAuto);
+            }
+            // NOTE: popScroll is called by CalendarComponent
+        };
+        View.prototype.updateBaseSize = function (isResize, viewHeight, isAuto) {
+        };
+        // Date Rendering
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.renderDatesWrap = function (dateProfile) {
+            this.renderDates(dateProfile);
+            this.addScroll({
+                duration: createDuration(this.context.options.scrollTime)
+            });
+        };
+        View.prototype.unrenderDatesWrap = function () {
+            this.stopNowIndicator();
+            this.unrenderDates();
+        };
+        View.prototype.renderDates = function (dateProfile) { };
+        View.prototype.unrenderDates = function () { };
+        // Business Hours
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.renderBusinessHours = function (businessHours) { };
+        View.prototype.unrenderBusinessHours = function () { };
+        // Date Selection
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.renderDateSelectionWrap = function (selection) {
+            if (selection) {
+                this.renderDateSelection(selection);
+            }
+        };
+        View.prototype.unrenderDateSelectionWrap = function (selection) {
+            if (selection) {
+                this.unrenderDateSelection(selection);
+            }
+        };
+        View.prototype.renderDateSelection = function (selection) { };
+        View.prototype.unrenderDateSelection = function (selection) { };
+        // Event Rendering
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.renderEvents = function (eventStore) { };
+        View.prototype.unrenderEvents = function () { };
+        // util for subclasses
+        View.prototype.sliceEvents = function (eventStore, allDay) {
+            var props = this.props;
+            return sliceEventStore(eventStore, props.eventUiBases, props.dateProfile.activeRange, allDay ? this.context.nextDayThreshold : null).fg;
+        };
+        // Event Selection
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.renderEventSelectionWrap = function (instanceId) {
+            if (instanceId) {
+                this.renderEventSelection(instanceId);
+            }
+        };
+        View.prototype.unrenderEventSelectionWrap = function (instanceId) {
+            if (instanceId) {
+                this.unrenderEventSelection(instanceId);
+            }
+        };
+        View.prototype.renderEventSelection = function (instanceId) { };
+        View.prototype.unrenderEventSelection = function (instanceId) { };
+        // Event Drag
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.renderEventDragWrap = function (state) {
+            if (state) {
+                this.renderEventDrag(state);
+            }
+        };
+        View.prototype.unrenderEventDragWrap = function (state) {
+            if (state) {
+                this.unrenderEventDrag(state);
+            }
+        };
+        View.prototype.renderEventDrag = function (state) { };
+        View.prototype.unrenderEventDrag = function (state) { };
+        // Event Resize
+        // -----------------------------------------------------------------------------------------------------------------
+        View.prototype.renderEventResizeWrap = function (state) {
+            if (state) {
+                this.renderEventResize(state);
+            }
+        };
+        View.prototype.unrenderEventResizeWrap = function (state) {
+            if (state) {
+                this.unrenderEventResize(state);
+            }
+        };
+        View.prototype.renderEventResize = function (state) { };
+        View.prototype.unrenderEventResize = function (state) { };
+        /* Now Indicator
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Immediately render the current time indicator and begins re-rendering it at an interval,
+        // which is defined by this.getNowIndicatorUnit().
+        // TODO: somehow do this for the current whole day's background too
+        // USAGE: must be called manually from subclasses' render methods! don't need to call stopNowIndicator tho
+        View.prototype.startNowIndicator = function (dateProfile, dateProfileGenerator) {
+            var _this = this;
+            var _a = this.context, calendar = _a.calendar, dateEnv = _a.dateEnv, options = _a.options;
+            var unit;
+            var update;
+            var delay; // ms wait value
+            if (options.nowIndicator && !this.initialNowDate) {
+                unit = this.getNowIndicatorUnit(dateProfile, dateProfileGenerator);
+                if (unit) {
+                    update = this.updateNowIndicator.bind(this);
+                    this.initialNowDate = calendar.getNow();
+                    this.initialNowQueriedMs = new Date().valueOf();
+                    // wait until the beginning of the next interval
+                    delay = dateEnv.add(dateEnv.startOf(this.initialNowDate, unit), createDuration(1, unit)).valueOf() - this.initialNowDate.valueOf();
+                    // TODO: maybe always use setTimeout, waiting until start of next unit
+                    this.nowIndicatorTimeoutID = setTimeout(function () {
+                        _this.nowIndicatorTimeoutID = null;
+                        update();
+                        if (unit === 'second') {
+                            delay = 1000; // every second
+                        }
+                        else {
+                            delay = 1000 * 60; // otherwise, every minute
+                        }
+                        _this.nowIndicatorIntervalID = setInterval(update, delay); // update every interval
+                    }, delay);
+                }
+                // rendering will be initiated in updateSize
+            }
+        };
+        // rerenders the now indicator, computing the new current time from the amount of time that has passed
+        // since the initial getNow call.
+        View.prototype.updateNowIndicator = function () {
+            if (this.props.dateProfile && // a way to determine if dates were rendered yet
+                this.initialNowDate // activated before?
+            ) {
+                this.unrenderNowIndicator(); // won't unrender if unnecessary
+                this.renderNowIndicator(addMs(this.initialNowDate, new Date().valueOf() - this.initialNowQueriedMs));
+                this.isNowIndicatorRendered = true;
+            }
+        };
+        // Immediately unrenders the view's current time indicator and stops any re-rendering timers.
+        // Won't cause side effects if indicator isn't rendered.
+        View.prototype.stopNowIndicator = function () {
+            if (this.nowIndicatorTimeoutID) {
+                clearTimeout(this.nowIndicatorTimeoutID);
+                this.nowIndicatorTimeoutID = null;
+            }
+            if (this.nowIndicatorIntervalID) {
+                clearInterval(this.nowIndicatorIntervalID);
+                this.nowIndicatorIntervalID = null;
+            }
+            if (this.isNowIndicatorRendered) {
+                this.unrenderNowIndicator();
+                this.isNowIndicatorRendered = false;
+            }
+        };
+        View.prototype.getNowIndicatorUnit = function (dateProfile, dateProfileGenerator) {
+            // subclasses should implement
+        };
+        // Renders a current time indicator at the given datetime
+        View.prototype.renderNowIndicator = function (date) {
+            // SUBCLASSES MUST PASS TO CHILDREN!
+        };
+        // Undoes the rendering actions from renderNowIndicator
+        View.prototype.unrenderNowIndicator = function () {
+            // SUBCLASSES MUST PASS TO CHILDREN!
+        };
+        /* Scroller
+        ------------------------------------------------------------------------------------------------------------------*/
+        View.prototype.addScroll = function (scroll, isForced) {
+            if (isForced) {
+                scroll.isForced = isForced;
+            }
+            __assign(this.queuedScroll || (this.queuedScroll = {}), scroll);
+        };
+        View.prototype.popScroll = function (isResize) {
+            this.applyQueuedScroll(isResize);
+            this.queuedScroll = null;
+        };
+        View.prototype.applyQueuedScroll = function (isResize) {
+            if (this.queuedScroll) {
+                this.applyScroll(this.queuedScroll, isResize);
+            }
+        };
+        View.prototype.queryScroll = function () {
+            var scroll = {};
+            if (this.props.dateProfile) { // dates rendered yet?
+                __assign(scroll, this.queryDateScroll());
+            }
+            return scroll;
+        };
+        View.prototype.applyScroll = function (scroll, isResize) {
+            var duration = scroll.duration, isForced = scroll.isForced;
+            if (duration != null && !isForced) {
+                delete scroll.duration;
+                if (this.props.dateProfile) { // dates rendered yet?
+                    __assign(scroll, this.computeDateScroll(duration));
+                }
+            }
+            if (this.props.dateProfile) { // dates rendered yet?
+                this.applyDateScroll(scroll);
+            }
+        };
+        View.prototype.computeDateScroll = function (duration) {
+            return {}; // subclasses must implement
+        };
+        View.prototype.queryDateScroll = function () {
+            return {}; // subclasses must implement
+        };
+        View.prototype.applyDateScroll = function (scroll) {
+            // subclasses must implement
+        };
+        // for API
+        View.prototype.scrollToDuration = function (duration) {
+            this.applyScroll({ duration: duration }, false);
+        };
+        return View;
+    }(DateComponent));
+    EmitterMixin.mixInto(View);
+    View.prototype.usesMinMaxTime = false;
+    View.prototype.dateProfileGeneratorClass = DateProfileGenerator;
+
+    var FgEventRenderer = /** @class */ (function () {
+        function FgEventRenderer() {
+            this.segs = [];
+            this.isSizeDirty = false;
+        }
+        FgEventRenderer.prototype.renderSegs = function (context, segs, mirrorInfo) {
+            this.context = context;
+            this.rangeUpdated(); // called too frequently :(
+            // render an `.el` on each seg
+            // returns a subset of the segs. segs that were actually rendered
+            segs = this.renderSegEls(segs, mirrorInfo);
+            this.segs = segs;
+            this.attachSegs(segs, mirrorInfo);
+            this.isSizeDirty = true;
+            triggerRenderedSegs(this.context, this.segs, Boolean(mirrorInfo));
+        };
+        FgEventRenderer.prototype.unrender = function (context, _segs, mirrorInfo) {
+            triggerWillRemoveSegs(this.context, this.segs, Boolean(mirrorInfo));
+            this.detachSegs(this.segs);
+            this.segs = [];
+        };
+        // Updates values that rely on options and also relate to range
+        FgEventRenderer.prototype.rangeUpdated = function () {
+            var options = this.context.options;
+            var displayEventTime;
+            var displayEventEnd;
+            this.eventTimeFormat = createFormatter(options.eventTimeFormat || this.computeEventTimeFormat(), options.defaultRangeSeparator);
+            displayEventTime = options.displayEventTime;
+            if (displayEventTime == null) {
+                displayEventTime = this.computeDisplayEventTime(); // might be based off of range
+            }
+            displayEventEnd = options.displayEventEnd;
+            if (displayEventEnd == null) {
+                displayEventEnd = this.computeDisplayEventEnd(); // might be based off of range
+            }
+            this.displayEventTime = displayEventTime;
+            this.displayEventEnd = displayEventEnd;
+        };
+        // Renders and assigns an `el` property for each foreground event segment.
+        // Only returns segments that successfully rendered.
+        FgEventRenderer.prototype.renderSegEls = function (segs, mirrorInfo) {
+            var html = '';
+            var i;
+            if (segs.length) { // don't build an empty html string
+                // build a large concatenation of event segment HTML
+                for (i = 0; i < segs.length; i++) {
+                    html += this.renderSegHtml(segs[i], mirrorInfo);
+                }
+                // Grab individual elements from the combined HTML string. Use each as the default rendering.
+                // Then, compute the 'el' for each segment. An el might be null if the eventRender callback returned false.
+                htmlToElements(html).forEach(function (el, i) {
+                    var seg = segs[i];
+                    if (el) {
+                        seg.el = el;
+                    }
+                });
+                segs = filterSegsViaEls(this.context, segs, Boolean(mirrorInfo));
+            }
+            return segs;
+        };
+        // Generic utility for generating the HTML classNames for an event segment's element
+        FgEventRenderer.prototype.getSegClasses = function (seg, isDraggable, isResizable, mirrorInfo) {
+            var classes = [
+                'fc-event',
+                seg.isStart ? 'fc-start' : 'fc-not-start',
+                seg.isEnd ? 'fc-end' : 'fc-not-end'
+            ].concat(seg.eventRange.ui.classNames);
+            if (isDraggable) {
+                classes.push('fc-draggable');
+            }
+            if (isResizable) {
+                classes.push('fc-resizable');
+            }
+            if (mirrorInfo) {
+                classes.push('fc-mirror');
+                if (mirrorInfo.isDragging) {
+                    classes.push('fc-dragging');
+                }
+                if (mirrorInfo.isResizing) {
+                    classes.push('fc-resizing');
+                }
+            }
+            return classes;
+        };
+        // Compute the text that should be displayed on an event's element.
+        // `range` can be the Event object itself, or something range-like, with at least a `start`.
+        // If event times are disabled, or the event has no time, will return a blank string.
+        // If not specified, formatter will default to the eventTimeFormat setting,
+        // and displayEnd will default to the displayEventEnd setting.
+        FgEventRenderer.prototype.getTimeText = function (eventRange, formatter, displayEnd) {
+            var def = eventRange.def, instance = eventRange.instance;
+            return this._getTimeText(instance.range.start, def.hasEnd ? instance.range.end : null, def.allDay, formatter, displayEnd, instance.forcedStartTzo, instance.forcedEndTzo);
+        };
+        FgEventRenderer.prototype._getTimeText = function (start, end, allDay, formatter, displayEnd, forcedStartTzo, forcedEndTzo) {
+            var dateEnv = this.context.dateEnv;
+            if (formatter == null) {
+                formatter = this.eventTimeFormat;
+            }
+            if (displayEnd == null) {
+                displayEnd = this.displayEventEnd;
+            }
+            if (this.displayEventTime && !allDay) {
+                if (displayEnd && end) {
+                    return dateEnv.formatRange(start, end, formatter, {
+                        forcedStartTzo: forcedStartTzo,
+                        forcedEndTzo: forcedEndTzo
+                    });
+                }
+                else {
+                    return dateEnv.format(start, formatter, {
+                        forcedTzo: forcedStartTzo
+                    });
+                }
+            }
+            return '';
+        };
+        FgEventRenderer.prototype.computeEventTimeFormat = function () {
+            return {
+                hour: 'numeric',
+                minute: '2-digit',
+                omitZeroMinute: true
+            };
+        };
+        FgEventRenderer.prototype.computeDisplayEventTime = function () {
+            return true;
+        };
+        FgEventRenderer.prototype.computeDisplayEventEnd = function () {
+            return true;
+        };
+        // Utility for generating event skin-related CSS properties
+        FgEventRenderer.prototype.getSkinCss = function (ui) {
+            return {
+                'background-color': ui.backgroundColor,
+                'border-color': ui.borderColor,
+                color: ui.textColor
+            };
+        };
+        FgEventRenderer.prototype.sortEventSegs = function (segs) {
+            var specs = this.context.eventOrderSpecs;
+            var objs = segs.map(buildSegCompareObj);
+            objs.sort(function (obj0, obj1) {
+                return compareByFieldSpecs(obj0, obj1, specs);
+            });
+            return objs.map(function (c) {
+                return c._seg;
+            });
+        };
+        FgEventRenderer.prototype.computeSizes = function (force) {
+            if (force || this.isSizeDirty) {
+                this.computeSegSizes(this.segs);
+            }
+        };
+        FgEventRenderer.prototype.assignSizes = function (force) {
+            if (force || this.isSizeDirty) {
+                this.assignSegSizes(this.segs);
+                this.isSizeDirty = false;
+            }
+        };
+        FgEventRenderer.prototype.computeSegSizes = function (segs) {
+        };
+        FgEventRenderer.prototype.assignSegSizes = function (segs) {
+        };
+        // Manipulation on rendered segs
+        FgEventRenderer.prototype.hideByHash = function (hash) {
+            if (hash) {
+                for (var _i = 0, _a = this.segs; _i < _a.length; _i++) {
+                    var seg = _a[_i];
+                    if (hash[seg.eventRange.instance.instanceId]) {
+                        seg.el.style.visibility = 'hidden';
+                    }
+                }
+            }
+        };
+        FgEventRenderer.prototype.showByHash = function (hash) {
+            if (hash) {
+                for (var _i = 0, _a = this.segs; _i < _a.length; _i++) {
+                    var seg = _a[_i];
+                    if (hash[seg.eventRange.instance.instanceId]) {
+                        seg.el.style.visibility = '';
+                    }
+                }
+            }
+        };
+        FgEventRenderer.prototype.selectByInstanceId = function (instanceId) {
+            if (instanceId) {
+                for (var _i = 0, _a = this.segs; _i < _a.length; _i++) {
+                    var seg = _a[_i];
+                    var eventInstance = seg.eventRange.instance;
+                    if (eventInstance && eventInstance.instanceId === instanceId &&
+                        seg.el // necessary?
+                    ) {
+                        seg.el.classList.add('fc-selected');
+                    }
+                }
+            }
+        };
+        FgEventRenderer.prototype.unselectByInstanceId = function (instanceId) {
+            if (instanceId) {
+                for (var _i = 0, _a = this.segs; _i < _a.length; _i++) {
+                    var seg = _a[_i];
+                    if (seg.el) { // necessary?
+                        seg.el.classList.remove('fc-selected');
+                    }
+                }
+            }
+        };
+        return FgEventRenderer;
+    }());
+    // returns a object with all primitive props that can be compared
+    function buildSegCompareObj(seg) {
+        var eventDef = seg.eventRange.def;
+        var range = seg.eventRange.instance.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({}, eventDef.extendedProps, eventDef, { id: eventDef.publicId, start: start,
+            end: end, duration: end - start, allDay: Number(eventDef.allDay), _seg: seg // for later retrieval
+         });
+    }
+
+    /*
+    TODO: when refactoring this class, make a new FillRenderer instance for each `type`
+    */
+    var FillRenderer = /** @class */ (function () {
+        function FillRenderer() {
+            this.fillSegTag = 'div';
+            this.dirtySizeFlags = {};
+            this.containerElsByType = {};
+            this.segsByType = {};
+        }
+        FillRenderer.prototype.getSegsByType = function (type) {
+            return this.segsByType[type] || [];
+        };
+        FillRenderer.prototype.renderSegs = function (type, context, segs) {
+            var _a;
+            this.context = context;
+            var renderedSegs = this.renderSegEls(type, segs); // assignes `.el` to each seg. returns successfully rendered segs
+            var containerEls = this.attachSegs(type, renderedSegs);
+            if (containerEls) {
+                (_a = (this.containerElsByType[type] || (this.containerElsByType[type] = []))).push.apply(_a, containerEls);
+            }
+            this.segsByType[type] = renderedSegs;
+            if (type === 'bgEvent') {
+                triggerRenderedSegs(context, renderedSegs, false); // isMirror=false
+            }
+            this.dirtySizeFlags[type] = true;
+        };
+        // Unrenders a specific type of fill that is currently rendered on the grid
+        FillRenderer.prototype.unrender = function (type, context) {
+            var segs = this.segsByType[type];
+            if (segs) {
+                if (type === 'bgEvent') {
+                    triggerWillRemoveSegs(context, segs, false); // isMirror=false
+                }
+                this.detachSegs(type, segs);
+            }
+        };
+        // Renders and assigns an `el` property for each fill segment. Generic enough to work with different types.
+        // Only returns segments that successfully rendered.
+        FillRenderer.prototype.renderSegEls = function (type, segs) {
+            var _this = this;
+            var html = '';
+            var i;
+            if (segs.length) {
+                // build a large concatenation of segment HTML
+                for (i = 0; i < segs.length; i++) {
+                    html += this.renderSegHtml(type, segs[i]);
+                }
+                // Grab individual elements from the combined HTML string. Use each as the default rendering.
+                // Then, compute the 'el' for each segment.
+                htmlToElements(html).forEach(function (el, i) {
+                    var seg = segs[i];
+                    if (el) {
+                        seg.el = el;
+                    }
+                });
+                if (type === 'bgEvent') {
+                    segs = filterSegsViaEls(this.context, segs, false // isMirror. background events can never be mirror elements
+                    );
+                }
+                // correct element type? (would be bad if a non-TD were inserted into a table for example)
+                segs = segs.filter(function (seg) {
+                    return elementMatches(seg.el, _this.fillSegTag);
+                });
+            }
+            return segs;
+        };
+        // Builds the HTML needed for one fill segment. Generic enough to work with different types.
+        FillRenderer.prototype.renderSegHtml = function (type, seg) {
+            var css = null;
+            var classNames = [];
+            if (type !== 'highlight' && type !== 'businessHours') {
+                css = {
+                    'background-color': seg.eventRange.ui.backgroundColor
+                };
+            }
+            if (type !== 'highlight') {
+                classNames = classNames.concat(seg.eventRange.ui.classNames);
+            }
+            if (type === 'businessHours') {
+                classNames.push('fc-bgevent');
+            }
+            else {
+                classNames.push('fc-' + type.toLowerCase());
+            }
+            return '<' + this.fillSegTag +
+                (classNames.length ? ' class="' + classNames.join(' ') + '"' : '') +
+                (css ? ' style="' + cssToStr(css) + '"' : '') +
+                '></' + this.fillSegTag + '>';
+        };
+        FillRenderer.prototype.detachSegs = function (type, segs) {
+            var containerEls = this.containerElsByType[type];
+            if (containerEls) {
+                containerEls.forEach(removeElement);
+                delete this.containerElsByType[type];
+            }
+        };
+        FillRenderer.prototype.computeSizes = function (force) {
+            for (var type in this.segsByType) {
+                if (force || this.dirtySizeFlags[type]) {
+                    this.computeSegSizes(this.segsByType[type]);
+                }
+            }
+        };
+        FillRenderer.prototype.assignSizes = function (force) {
+            for (var type in this.segsByType) {
+                if (force || this.dirtySizeFlags[type]) {
+                    this.assignSegSizes(this.segsByType[type]);
+                }
+            }
+            this.dirtySizeFlags = {};
+        };
+        FillRenderer.prototype.computeSegSizes = function (segs) {
+        };
+        FillRenderer.prototype.assignSegSizes = function (segs) {
+        };
+        return FillRenderer;
+    }());
+
+    var NamedTimeZoneImpl = /** @class */ (function () {
+        function NamedTimeZoneImpl(timeZoneName) {
+            this.timeZoneName = timeZoneName;
+        }
+        return NamedTimeZoneImpl;
+    }());
+
+    /*
+    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) {
+            this.emitter = new EmitterMixin();
+        }
+        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;
+    }());
+
+    function formatDate(dateInput, settings) {
+        if (settings === void 0) { settings = {}; }
+        var dateEnv = buildDateEnv$1(settings);
+        var formatter = createFormatter(settings);
+        var dateMeta = dateEnv.createMarkerMeta(dateInput);
+        if (!dateMeta) { // TODO: warning?
+            return '';
+        }
+        return dateEnv.format(dateMeta.marker, formatter, {
+            forcedTzo: dateMeta.forcedTzo
+        });
+    }
+    function formatRange(startInput, endInput, settings // mixture of env and formatter settings
+    ) {
+        var dateEnv = buildDateEnv$1(typeof settings === 'object' && settings ? settings : {}); // pass in if non-null object
+        var formatter = createFormatter(settings, globalDefaults.defaultRangeSeparator);
+        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: settings.isEndExclusive
+        });
+    }
+    // TODO: more DRY and optimized
+    function buildDateEnv$1(settings) {
+        var locale = buildLocale(settings.locale || 'en', parseRawLocales([]).map); // TODO: don't hardcode 'en' everywhere
+        // ensure required settings
+        settings = __assign({ timeZone: globalDefaults.timeZone, calendarSystem: 'gregory' }, settings, { locale: locale });
+        return new DateEnv(settings);
+    }
+
+    var DRAG_META_PROPS = {
+        startTime: createDuration,
+        duration: createDuration,
+        create: Boolean,
+        sourceId: String
+    };
+    var DRAG_META_DEFAULTS = {
+        create: true
+    };
+    function parseDragMeta(raw) {
+        var leftoverProps = {};
+        var refined = refineProps(raw, DRAG_META_PROPS, DRAG_META_DEFAULTS, leftoverProps);
+        refined.leftoverProps = leftoverProps;
+        return refined;
+    }
+
+    // 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 { weekday: 'short' }; // "Sat"
+        }
+        else if (dayCnt > 1) {
+            return { weekday: 'short', month: 'numeric', day: 'numeric', omitCommas: true }; // "Sat 11/12"
+        }
+        else {
+            return { weekday: 'long' }; // "Saturday"
+        }
+    }
+    function renderDateCell(dateMarker, dateProfile, datesRepDistinctDays, colCnt, colHeadFormat, context, colspan, otherAttrs) {
+        var dateEnv = context.dateEnv, theme = context.theme, options = context.options;
+        var isDateValid = rangeContainsMarker(dateProfile.activeRange, dateMarker); // TODO: called too frequently. cache somehow.
+        var classNames = [
+            'fc-day-header',
+            theme.getClass('widgetHeader')
+        ];
+        var innerHtml;
+        if (typeof options.columnHeaderHtml === 'function') {
+            innerHtml = options.columnHeaderHtml(dateEnv.toDate(dateMarker));
+        }
+        else if (typeof options.columnHeaderText === 'function') {
+            innerHtml = htmlEscape(options.columnHeaderText(dateEnv.toDate(dateMarker)));
+        }
+        else {
+            innerHtml = htmlEscape(dateEnv.format(dateMarker, colHeadFormat));
+        }
+        // if only one row of days, the classNames on the header can represent the specific days beneath
+        if (datesRepDistinctDays) {
+            classNames = classNames.concat(
+            // includes the day-of-week class
+            // noThemeHighlight=true (don't highlight the header)
+            getDayClasses(dateMarker, dateProfile, context, true));
+        }
+        else {
+            classNames.push('fc-' + DAY_IDS[dateMarker.getUTCDay()]); // only add the day-of-week class
+        }
+        return '' +
+            '<th class="' + classNames.join(' ') + '"' +
+            ((isDateValid && datesRepDistinctDays) ?
+                ' data-date="' + dateEnv.formatIso(dateMarker, { omitTime: true }) + '"' :
+                '') +
+            (colspan > 1 ?
+                ' colspan="' + colspan + '"' :
+                '') +
+            (otherAttrs ?
+                ' ' + otherAttrs :
+                '') +
+            '>' +
+            (isDateValid ?
+                // don't make a link if the heading could represent multiple days, or if there's only one day (forceOff)
+                buildGotoAnchorHtml(options, dateEnv, { date: dateMarker, forceOff: !datesRepDistinctDays || colCnt === 1 }, innerHtml) :
+                // if not valid, display text, but no link
+                innerHtml) +
+            '</th>';
+    }
+
+    var DayHeader = /** @class */ (function (_super) {
+        __extends(DayHeader, _super);
+        function DayHeader(parentEl) {
+            var _this = _super.call(this) || this;
+            _this.renderSkeleton = memoizeRendering(_this._renderSkeleton, _this._unrenderSkeleton);
+            _this.parentEl = parentEl;
+            return _this;
+        }
+        DayHeader.prototype.render = function (props, context) {
+            var dates = props.dates, datesRepDistinctDays = props.datesRepDistinctDays;
+            var parts = [];
+            this.renderSkeleton(context);
+            if (props.renderIntroHtml) {
+                parts.push(props.renderIntroHtml());
+            }
+            var colHeadFormat = createFormatter(context.options.columnHeaderFormat ||
+                computeFallbackHeaderFormat(datesRepDistinctDays, dates.length));
+            for (var _i = 0, dates_1 = dates; _i < dates_1.length; _i++) {
+                var date = dates_1[_i];
+                parts.push(renderDateCell(date, props.dateProfile, datesRepDistinctDays, dates.length, colHeadFormat, context));
+            }
+            if (context.isRtl) {
+                parts.reverse();
+            }
+            this.thead.innerHTML = '<tr>' + parts.join('') + '</tr>';
+        };
+        DayHeader.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.renderSkeleton.unrender();
+        };
+        DayHeader.prototype._renderSkeleton = function (context) {
+            var theme = context.theme;
+            var parentEl = this.parentEl;
+            parentEl.innerHTML = ''; // because might be nbsp
+            parentEl.appendChild(this.el = htmlToElement('<div class="fc-row ' + theme.getClass('headerRow') + '">' +
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                '<thead></thead>' +
+                '</table>' +
+                '</div>'));
+            this.thead = this.el.querySelector('thead');
+        };
+        DayHeader.prototype._unrenderSkeleton = function () {
+            removeElement(this.el);
+        };
+        return DayHeader;
+    }(Component));
+
+    var DaySeries = /** @class */ (function () {
+        function DaySeries(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;
+        }
+        DaySeries.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.
+        DaySeries.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 DaySeries;
+    }());
+
+    var DayTable = /** @class */ (function () {
+        function DayTable(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();
+        }
+        DayTable.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;
+        };
+        DayTable.prototype.buildCell = function (row, col) {
+            return {
+                date: this.daySeries.dates[row * this.colCnt + col]
+            };
+        };
+        DayTable.prototype.buildHeaderDates = function () {
+            var dates = [];
+            for (var col = 0; col < this.colCnt; col++) {
+                dates.push(this.cells[0][col].date);
+            }
+            return dates;
+        };
+        DayTable.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 DayTable;
+    }());
+
+    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);
+        }
+        Slicer.prototype.sliceProps = function (props, dateProfile, nextDayThreshold, calendar, component) {
+            var extraArgs = [];
+            for (var _i = 5; _i < arguments.length; _i++) {
+                extraArgs[_i - 5] = arguments[_i];
+            }
+            var eventUiBases = props.eventUiBases;
+            var eventSegs = this.sliceEventStore.apply(this, [props.eventStore, eventUiBases, dateProfile, nextDayThreshold, component].concat(extraArgs));
+            return {
+                dateSelectionSegs: this.sliceDateSelection.apply(this, [props.dateSelection, eventUiBases, component].concat(extraArgs)),
+                businessHourSegs: this.sliceBusinessHours.apply(this, [props.businessHours, dateProfile, nextDayThreshold, calendar, component].concat(extraArgs)),
+                fgEventSegs: eventSegs.fg,
+                bgEventSegs: eventSegs.bg,
+                eventDrag: this.sliceEventDrag.apply(this, [props.eventDrag, eventUiBases, dateProfile, nextDayThreshold, component].concat(extraArgs)),
+                eventResize: this.sliceEventResize.apply(this, [props.eventResize, eventUiBases, dateProfile, nextDayThreshold, component].concat(extraArgs)),
+                eventSelection: props.eventSelection
+            }; // TODO: give interactionSegs?
+        };
+        Slicer.prototype.sliceNowDate = function (// does not memoize
+        date, component) {
+            var extraArgs = [];
+            for (var _i = 2; _i < arguments.length; _i++) {
+                extraArgs[_i - 2] = arguments[_i];
+            }
+            return this._sliceDateSpan.apply(this, [{ range: { start: date, end: addMs(date, 1) }, allDay: false },
+                {},
+                component].concat(extraArgs));
+        };
+        Slicer.prototype._sliceBusinessHours = function (businessHours, dateProfile, nextDayThreshold, calendar, component) {
+            var extraArgs = [];
+            for (var _i = 5; _i < arguments.length; _i++) {
+                extraArgs[_i - 5] = arguments[_i];
+            }
+            if (!businessHours) {
+                return [];
+            }
+            return this._sliceEventStore.apply(this, [expandRecurring(businessHours, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), calendar),
+                {},
+                dateProfile,
+                nextDayThreshold,
+                component].concat(extraArgs)).bg;
+        };
+        Slicer.prototype._sliceEventStore = function (eventStore, eventUiBases, dateProfile, nextDayThreshold, component) {
+            var extraArgs = [];
+            for (var _i = 5; _i < arguments.length; _i++) {
+                extraArgs[_i - 5] = arguments[_i];
+            }
+            if (eventStore) {
+                var rangeRes = sliceEventStore(eventStore, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold);
+                return {
+                    bg: this.sliceEventRanges(rangeRes.bg, component, extraArgs),
+                    fg: this.sliceEventRanges(rangeRes.fg, component, extraArgs)
+                };
+            }
+            else {
+                return { bg: [], fg: [] };
+            }
+        };
+        Slicer.prototype._sliceInteraction = function (interaction, eventUiBases, dateProfile, nextDayThreshold, component) {
+            var extraArgs = [];
+            for (var _i = 5; _i < arguments.length; _i++) {
+                extraArgs[_i - 5] = arguments[_i];
+            }
+            if (!interaction) {
+                return null;
+            }
+            var rangeRes = sliceEventStore(interaction.mutatedEvents, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold);
+            return {
+                segs: this.sliceEventRanges(rangeRes.fg, component, extraArgs),
+                affectedInstances: interaction.affectedEvents.instances,
+                isEvent: interaction.isEvent,
+                sourceSeg: interaction.origSeg
+            };
+        };
+        Slicer.prototype._sliceDateSpan = function (dateSpan, eventUiBases, component) {
+            var extraArgs = [];
+            for (var _i = 3; _i < arguments.length; _i++) {
+                extraArgs[_i - 3] = arguments[_i];
+            }
+            if (!dateSpan) {
+                return [];
+            }
+            var eventRange = fabricateEventRange(dateSpan, eventUiBases, component.context.calendar);
+            var segs = this.sliceRange.apply(this, [dateSpan.range].concat(extraArgs));
+            for (var _a = 0, segs_1 = segs; _a < segs_1.length; _a++) {
+                var seg = segs_1[_a];
+                seg.component = component;
+                seg.eventRange = eventRange;
+            }
+            return segs;
+        };
+        /*
+        "complete" seg means it has component and eventRange
+        */
+        Slicer.prototype.sliceEventRanges = function (eventRanges, component, // TODO: kill
+        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, component, extraArgs));
+            }
+            return segs;
+        };
+        /*
+        "complete" seg means it has component and eventRange
+        */
+        Slicer.prototype.sliceEventRange = function (eventRange, component, // TODO: kill
+        extraArgs) {
+            var segs = this.sliceRange.apply(this, [eventRange.range].concat(extraArgs));
+            for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
+                var seg = segs_2[_i];
+                seg.component = component;
+                seg.eventRange = eventRange;
+                seg.isStart = eventRange.isStart && seg.isStart;
+                seg.isEnd = eventRange.isEnd && seg.isEnd;
+            }
+            return segs;
+        };
+        return Slicer;
+    }());
+    /*
+    for incorporating minTime/maxTime 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.minTime.milliseconds),
+            end: addMs(range.end, dateProfile.maxTime.milliseconds - 864e5) // 864e5 = ms in a day
+        };
+    }
+
+    // exports
+    // --------------------------------------------------------------------------------------------------
+    var version = '4.4.0';
+
+    exports.Calendar = Calendar;
+    exports.Component = Component;
+    exports.ComponentContext = ComponentContext;
+    exports.DateComponent = DateComponent;
+    exports.DateEnv = DateEnv;
+    exports.DateProfileGenerator = DateProfileGenerator;
+    exports.DayHeader = DayHeader;
+    exports.DaySeries = DaySeries;
+    exports.DayTable = DayTable;
+    exports.ElementDragging = ElementDragging;
+    exports.ElementScrollController = ElementScrollController;
+    exports.EmitterMixin = EmitterMixin;
+    exports.EventApi = EventApi;
+    exports.FgEventRenderer = FgEventRenderer;
+    exports.FillRenderer = FillRenderer;
+    exports.Interaction = Interaction;
+    exports.Mixin = Mixin;
+    exports.NamedTimeZoneImpl = NamedTimeZoneImpl;
+    exports.PositionCache = PositionCache;
+    exports.ScrollComponent = ScrollComponent;
+    exports.ScrollController = ScrollController;
+    exports.Slicer = Slicer;
+    exports.Splitter = Splitter;
+    exports.Theme = Theme;
+    exports.View = View;
+    exports.WindowScrollController = WindowScrollController;
+    exports.addDays = addDays;
+    exports.addDurations = addDurations;
+    exports.addMs = addMs;
+    exports.addWeeks = addWeeks;
+    exports.allowContextMenu = allowContextMenu;
+    exports.allowSelection = allowSelection;
+    exports.appendToElement = appendToElement;
+    exports.applyAll = applyAll;
+    exports.applyMutationToEventStore = applyMutationToEventStore;
+    exports.applyStyle = applyStyle;
+    exports.applyStyleProp = applyStyleProp;
+    exports.asRoughMinutes = asRoughMinutes;
+    exports.asRoughMs = asRoughMs;
+    exports.asRoughSeconds = asRoughSeconds;
+    exports.buildGotoAnchorHtml = buildGotoAnchorHtml;
+    exports.buildSegCompareObj = buildSegCompareObj;
+    exports.capitaliseFirstLetter = capitaliseFirstLetter;
+    exports.combineEventUis = combineEventUis;
+    exports.compareByFieldSpec = compareByFieldSpec;
+    exports.compareByFieldSpecs = compareByFieldSpecs;
+    exports.compareNumbers = compareNumbers;
+    exports.compensateScroll = compensateScroll;
+    exports.computeClippingRect = computeClippingRect;
+    exports.computeEdges = computeEdges;
+    exports.computeEventDraggable = computeEventDraggable;
+    exports.computeEventEndResizable = computeEventEndResizable;
+    exports.computeEventStartResizable = computeEventStartResizable;
+    exports.computeFallbackHeaderFormat = computeFallbackHeaderFormat;
+    exports.computeHeightAndMargins = computeHeightAndMargins;
+    exports.computeInnerRect = computeInnerRect;
+    exports.computeRect = computeRect;
+    exports.computeVisibleDayRange = computeVisibleDayRange;
+    exports.config = config;
+    exports.constrainPoint = constrainPoint;
+    exports.createDuration = createDuration;
+    exports.createElement = createElement;
+    exports.createEmptyEventStore = createEmptyEventStore;
+    exports.createEventInstance = createEventInstance;
+    exports.createFormatter = createFormatter;
+    exports.createPlugin = createPlugin;
+    exports.cssToStr = cssToStr;
+    exports.debounce = debounce;
+    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.distributeHeight = distributeHeight;
+    exports.elementClosest = elementClosest;
+    exports.elementMatches = elementMatches;
+    exports.enableCursor = enableCursor;
+    exports.eventTupleToStore = eventTupleToStore;
+    exports.filterEventStoreDefs = filterEventStoreDefs;
+    exports.filterHash = filterHash;
+    exports.findChildren = findChildren;
+    exports.findElements = findElements;
+    exports.flexibleCompare = flexibleCompare;
+    exports.forceClassName = forceClassName;
+    exports.formatDate = formatDate;
+    exports.formatIsoTimeString = formatIsoTimeString;
+    exports.formatRange = formatRange;
+    exports.getAllDayHtml = getAllDayHtml;
+    exports.getClippingParents = getClippingParents;
+    exports.getDayClasses = getDayClasses;
+    exports.getElSeg = getElSeg;
+    exports.getRectCenter = getRectCenter;
+    exports.getRelevantEvents = getRelevantEvents;
+    exports.globalDefaults = globalDefaults;
+    exports.greatestDurationDenominator = greatestDurationDenominator;
+    exports.hasBgRendering = hasBgRendering;
+    exports.htmlEscape = htmlEscape;
+    exports.htmlToElement = htmlToElement;
+    exports.insertAfterElement = insertAfterElement;
+    exports.interactionSettingsStore = interactionSettingsStore;
+    exports.interactionSettingsToStore = interactionSettingsToStore;
+    exports.intersectRanges = intersectRanges;
+    exports.intersectRects = intersectRects;
+    exports.isArraysEqual = isArraysEqual;
+    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.matchCellWidths = matchCellWidths;
+    exports.memoize = memoize;
+    exports.memoizeOutput = memoizeOutput;
+    exports.memoizeRendering = memoizeRendering;
+    exports.mergeEventStores = mergeEventStores;
+    exports.multiplyDuration = multiplyDuration;
+    exports.padStart = padStart;
+    exports.parseBusinessHours = parseBusinessHours;
+    exports.parseDragMeta = parseDragMeta;
+    exports.parseEventDef = parseEventDef;
+    exports.parseFieldSpecs = parseFieldSpecs;
+    exports.parseMarker = parse;
+    exports.pointInsideRect = pointInsideRect;
+    exports.prependToElement = prependToElement;
+    exports.preventContextMenu = preventContextMenu;
+    exports.preventDefault = preventDefault;
+    exports.preventSelection = preventSelection;
+    exports.processScopedUiProps = processScopedUiProps;
+    exports.rangeContainsMarker = rangeContainsMarker;
+    exports.rangeContainsRange = rangeContainsRange;
+    exports.rangesEqual = rangesEqual;
+    exports.rangesIntersect = rangesIntersect;
+    exports.refineProps = refineProps;
+    exports.removeElement = removeElement;
+    exports.removeExact = removeExact;
+    exports.renderDateCell = renderDateCell;
+    exports.requestJson = requestJson;
+    exports.sliceEventStore = sliceEventStore;
+    exports.startOfDay = startOfDay;
+    exports.subtractInnerElHeight = subtractInnerElHeight;
+    exports.translateRect = translateRect;
+    exports.uncompensateScroll = uncompensateScroll;
+    exports.undistributeHeight = undistributeHeight;
+    exports.unpromisify = unpromisify;
+    exports.version = version;
+    exports.whenTransitionDone = whenTransitionDone;
+    exports.wholeDivideDurations = wholeDivideDurations;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+}));

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js/moment.min.js


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