installation de fullcalendar avec composer et CDN au lieu de GIT

1 files changed, 0 insertions, 14775 deletions

diff --git a/public/js/fullcalendar/dist/index.global.js b/public/js/fullcalendar/dist/index.global.js
deleted file mode 100644
index 9a97af4..0000000
--- a/public/js/fullcalendar/dist/index.global.js
+++ /dev/null
@@ -1,14775 +0,0 @@
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-Docs & License: https://fullcalendar.io/docs/initialize-globals
-(c) 2024 Adam Shaw
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.fc-scroller-harness{direction:ltr;overflow:hidden;position:relative}.fc .fc-scroller-harness-liquid{height:100%}.fc-direction-rtl .fc-scroller-harness>.fc-scroller{direction:rtl}.fc-theme-standard .fc-scrollgrid{border:1px solid var(--fc-border-color)}.fc .fc-scrollgrid,.fc .fc-scrollgrid table{table-layout:fixed;width:100%}.fc .fc-scrollgrid table{border-left-style:hidden;border-right-style:hidden;border-top-style:hidden}.fc .fc-scrollgrid{border-bottom-width:0;border-collapse:separate;border-right-width:0}.fc .fc-scrollgrid-liquid{height:100%}.fc .fc-scrollgrid-section,.fc .fc-scrollgrid-section table,.fc .fc-scrollgrid-section>td{height:1px}.fc .fc-scrollgrid-section-liquid>td{height:100%}.fc .fc-scrollgrid-section>*{border-left-width:0;border-top-width:0}.fc .fc-scrollgrid-section-footer>*,.fc .fc-scrollgrid-section-header>*{border-bottom-width:0}.fc .fc-scrollgrid-section-body table,.fc .fc-scrollgrid-section-footer table{border-bottom-style:hidden}.fc .fc-scrollgrid-section-sticky>*{background:var(--fc-page-bg-color);position:sticky;z-index:3}.fc .fc-scrollgrid-section-header.fc-scrollgrid-section-sticky>*{top:0}.fc .fc-scrollgrid-section-footer.fc-scrollgrid-section-sticky>*{bottom:0}.fc .fc-scrollgrid-sticky-shim{height:1px;margin-bottom:-1px}.fc-sticky{position:sticky}.fc .fc-view-harness{flex-grow:1;position:relative}.fc .fc-view-harness-active>.fc-view{bottom:0;left:0;position:absolute;right:0;top:0}.fc .fc-col-header-cell-cushion{display:inline-block;padding:2px 4px}.fc .fc-bg-event,.fc .fc-highlight,.fc .fc-non-business{bottom:0;left:0;position:absolute;right:0;top:0}.fc .fc-non-business{background:var(--fc-non-business-color)}.fc .fc-bg-event{background:var(--fc-bg-event-color);opacity:var(--fc-bg-event-opacity)}.fc .fc-bg-event .fc-event-title{font-size:var(--fc-small-font-size);font-style:italic;margin:.5em}.fc .fc-highlight{background:var(--fc-highlight-color)}.fc .fc-cell-shaded,.fc .fc-day-disabled{background:var(--fc-neutral-bg-color)}a.fc-event,a.fc-event:hover{text-decoration:none}.fc-event.fc-event-draggable,.fc-event[href]{cursor:pointer}.fc-event .fc-event-main{position:relative;z-index:2}.fc-event-dragging:not(.fc-event-selected){opacity:.75}.fc-event-dragging.fc-event-selected{box-shadow:0 2px 7px rgba(0,0,0,.3)}.fc-event .fc-event-resizer{display:none;position:absolute;z-index:4}.fc-event-selected .fc-event-resizer,.fc-event:hover .fc-event-resizer{display:block}.fc-event-selected .fc-event-resizer{background:var(--fc-page-bg-color);border-color:inherit;border-radius:calc(var(--fc-event-resizer-dot-total-width)/2);border-style:solid;border-width:var(--fc-event-resizer-dot-border-width);height:var(--fc-event-resizer-dot-total-width);width:var(--fc-event-resizer-dot-total-width)}.fc-event-selected .fc-event-resizer:before{bottom:-20px;content:\"\";left:-20px;position:absolute;right:-20px;top:-20px}.fc-event-selected,.fc-event:focus{box-shadow:0 2px 5px rgba(0,0,0,.2)}.fc-event-selected:before,.fc-event:focus:before{bottom:0;content:\"\";left:0;position:absolute;right:0;top:0;z-index:3}.fc-event-selected:after,.fc-event:focus:after{background:var(--fc-event-selected-overlay-color);bottom:-1px;content:\"\";left:-1px;position:absolute;right:-1px;top:-1px;z-index:1}.fc-h-event{background-color:var(--fc-event-bg-color);border:1px solid var(--fc-event-border-color);display:block}.fc-h-event .fc-event-main{color:var(--fc-event-text-color)}.fc-h-event .fc-event-main-frame{display:flex}.fc-h-event .fc-event-time{max-width:100%;overflow:hidden}.fc-h-event .fc-event-title-container{flex-grow:1;flex-shrink:1;min-width:0}.fc-h-event .fc-event-title{display:inline-block;left:0;max-width:100%;overflow:hidden;right:0;vertical-align:top}.fc-h-event.fc-event-selected:before{bottom:-10px;top:-10px}.fc-direction-ltr .fc-daygrid-block-event:not(.fc-event-start),.fc-direction-rtl .fc-daygrid-block-event:not(.fc-event-end){border-bottom-left-radius:0;border-left-width:0;border-top-left-radius:0}.fc-direction-ltr .fc-daygrid-block-event:not(.fc-event-end),.fc-direction-rtl .fc-daygrid-block-event:not(.fc-event-start){border-bottom-right-radius:0;border-right-width:0;border-top-right-radius:0}.fc-h-event:not(.fc-event-selected) .fc-event-resizer{bottom:0;top:0;width:var(--fc-event-resizer-thickness)}.fc-direction-ltr .fc-h-event:not(.fc-event-selected) .fc-event-resizer-start,.fc-direction-rtl .fc-h-event:not(.fc-event-selected) .fc-event-resizer-end{cursor:w-resize;left:calc(var(--fc-event-resizer-thickness)*-.5)}.fc-direction-ltr .fc-h-event:not(.fc-event-selected) .fc-event-resizer-end,.fc-direction-rtl .fc-h-event:not(.fc-event-selected) .fc-event-resizer-start{cursor:e-resize;right:calc(var(--fc-event-resizer-thickness)*-.5)}.fc-h-event.fc-event-selected .fc-event-resizer{margin-top:calc(var(--fc-event-resizer-dot-total-width)*-.5);top:50%}.fc-direction-ltr .fc-h-event.fc-event-selected .fc-event-resizer-start,.fc-direction-rtl .fc-h-event.fc-event-selected .fc-event-resizer-end{left:calc(var(--fc-event-resizer-dot-total-width)*-.5)}.fc-direction-ltr .fc-h-event.fc-event-selected .fc-event-resizer-end,.fc-direction-rtl .fc-h-event.fc-event-selected .fc-event-resizer-start{right:calc(var(--fc-event-resizer-dot-total-width)*-.5)}.fc .fc-popover{box-shadow:0 2px 6px rgba(0,0,0,.15);position:absolute;z-index:9999}.fc .fc-popover-header{align-items:center;display:flex;flex-direction:row;justify-content:space-between;padding:3px 4px}.fc .fc-popover-title{margin:0 2px}.fc .fc-popover-close{cursor:pointer;font-size:1.1em;opacity:.65}.fc-theme-standard .fc-popover{background:var(--fc-page-bg-color);border:1px solid var(--fc-border-color)}.fc-theme-standard .fc-popover-header{background:var(--fc-neutral-bg-color)}";
-    injectStyles(css_248z$4);
-
-    class DelayedRunner {
-        constructor(drainedOption) {
-            this.drainedOption = drainedOption;
-            this.isRunning = false;
-            this.isDirty = false;
-            this.pauseDepths = {};
-            this.timeoutId = 0;
-        }
-        request(delay) {
-            this.isDirty = true;
-            if (!this.isPaused()) {
-                this.clearTimeout();
-                if (delay == null) {
-                    this.tryDrain();
-                }
-                else {
-                    this.timeoutId = setTimeout(// NOT OPTIMAL! TODO: look at debounce
-                    this.tryDrain.bind(this), delay);
-                }
-            }
-        }
-        pause(scope = '') {
-            let { pauseDepths } = this;
-            pauseDepths[scope] = (pauseDepths[scope] || 0) + 1;
-            this.clearTimeout();
-        }
-        resume(scope = '', force) {
-            let { pauseDepths } = this;
-            if (scope in pauseDepths) {
-                if (force) {
-                    delete pauseDepths[scope];
-                }
-                else {
-                    pauseDepths[scope] -= 1;
-                    let depth = pauseDepths[scope];
-                    if (depth <= 0) {
-                        delete pauseDepths[scope];
-                    }
-                }
-                this.tryDrain();
-            }
-        }
-        isPaused() {
-            return Object.keys(this.pauseDepths).length;
-        }
-        tryDrain() {
-            if (!this.isRunning && !this.isPaused()) {
-                this.isRunning = true;
-                while (this.isDirty) {
-                    this.isDirty = false;
-                    this.drained(); // might set isDirty to true again
-                }
-                this.isRunning = false;
-            }
-        }
-        clear() {
-            this.clearTimeout();
-            this.isDirty = false;
-            this.pauseDepths = {};
-        }
-        clearTimeout() {
-            if (this.timeoutId) {
-                clearTimeout(this.timeoutId);
-                this.timeoutId = 0;
-            }
-        }
-        drained() {
-            if (this.drainedOption) {
-                this.drainedOption();
-            }
-        }
-    }
-
-    function removeElement(el) {
-        if (el.parentNode) {
-            el.parentNode.removeChild(el);
-        }
-    }
-    // Querying
-    // ----------------------------------------------------------------------------------------------------------------
-    function elementClosest(el, selector) {
-        if (el.closest) {
-            return el.closest(selector);
-            // really bad fallback for IE
-            // from https://developer.mozilla.org/en-US/docs/Web/API/Element/closest
-        }
-        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 elementMatches(el, selector) {
-        let method = el.matches || el.matchesSelector || el.msMatchesSelector;
-        return method.call(el, selector);
-    }
-    // accepts multiple subject els
-    // returns a real array. good for methods like forEach
-    // TODO: accept the document
-    function findElements(container, selector) {
-        let containers = container instanceof HTMLElement ? [container] : container;
-        let allMatches = [];
-        for (let i = 0; i < containers.length; i += 1) {
-            let matches = containers[i].querySelectorAll(selector);
-            for (let j = 0; j < matches.length; j += 1) {
-                allMatches.push(matches[j]);
-            }
-        }
-        return allMatches;
-    }
-    // accepts multiple subject els
-    // only queries direct child elements // TODO: rename to findDirectChildren!
-    function findDirectChildren(parent, selector) {
-        let parents = parent instanceof HTMLElement ? [parent] : parent;
-        let allMatches = [];
-        for (let i = 0; i < parents.length; i += 1) {
-            let childNodes = parents[i].children; // only ever elements
-            for (let j = 0; j < childNodes.length; j += 1) {
-                let childNode = childNodes[j];
-                if (!selector || elementMatches(childNode, selector)) {
-                    allMatches.push(childNode);
-                }
-            }
-        }
-        return allMatches;
-    }
-    // Style
-    // ----------------------------------------------------------------------------------------------------------------
-    const PIXEL_PROP_RE = /(top|left|right|bottom|width|height)$/i;
-    function applyStyle(el, props) {
-        for (let 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;
-        }
-    }
-    // Event Handling
-    // ----------------------------------------------------------------------------------------------------------------
-    // if intercepting bubbled events at the document/window/body level,
-    // and want to see originating element (the 'target'), use this util instead
-    // of `ev.target` because it goes within web-component boundaries.
-    function getEventTargetViaRoot(ev) {
-        var _a, _b;
-        return (_b = (_a = ev.composedPath) === null || _a === void 0 ? void 0 : _a.call(ev)[0]) !== null && _b !== void 0 ? _b : ev.target;
-    }
-    // Unique ID for DOM attribute
-    let guid$1 = 0;
-    function getUniqueDomId() {
-        guid$1 += 1;
-        return 'fc-dom-' + guid$1;
-    }
-
-    // Stops a mouse/touch event from doing it's native browser action
-    function preventDefault(ev) {
-        ev.preventDefault();
-    }
-    // Event Delegation
-    // ----------------------------------------------------------------------------------------------------------------
-    function buildDelegationHandler(selector, handler) {
-        return (ev) => {
-            let matchedChild = elementClosest(ev.target, selector);
-            if (matchedChild) {
-                handler.call(matchedChild, ev, matchedChild);
-            }
-        };
-    }
-    function listenBySelector(container, eventType, selector, handler) {
-        let attachedHandler = buildDelegationHandler(selector, handler);
-        container.addEventListener(eventType, attachedHandler);
-        return () => {
-            container.removeEventListener(eventType, attachedHandler);
-        };
-    }
-    function listenToHoverBySelector(container, selector, onMouseEnter, onMouseLeave) {
-        let currentMatchedChild;
-        return listenBySelector(container, 'mouseover', selector, (mouseOverEv, matchedChild) => {
-            if (matchedChild !== currentMatchedChild) {
-                currentMatchedChild = matchedChild;
-                onMouseEnter(mouseOverEv, matchedChild);
-                let realOnMouseLeave = (mouseLeaveEv) => {
-                    currentMatchedChild = null;
-                    onMouseLeave(mouseLeaveEv, matchedChild);
-                    matchedChild.removeEventListener('mouseleave', realOnMouseLeave);
-                };
-                // listen to the next mouseleave, and then unattach
-                matchedChild.addEventListener('mouseleave', realOnMouseLeave);
-            }
-        });
-    }
-    // Animation
-    // ----------------------------------------------------------------------------------------------------------------
-    const transitionEventNames = [
-        'webkitTransitionEnd',
-        'otransitionend',
-        'oTransitionEnd',
-        'msTransitionEnd',
-        'transitionend',
-    ];
-    // triggered only when the next single subsequent transition finishes
-    function whenTransitionDone(el, callback) {
-        let realCallback = (ev) => {
-            callback(ev);
-            transitionEventNames.forEach((eventName) => {
-                el.removeEventListener(eventName, realCallback);
-            });
-        };
-        transitionEventNames.forEach((eventName) => {
-            el.addEventListener(eventName, realCallback); // cross-browser way to determine when the transition finishes
-        });
-    }
-    // ARIA workarounds
-    // ----------------------------------------------------------------------------------------------------------------
-    function createAriaClickAttrs(handler) {
-        return Object.assign({ onClick: handler }, createAriaKeyboardAttrs(handler));
-    }
-    function createAriaKeyboardAttrs(handler) {
-        return {
-            tabIndex: 0,
-            onKeyDown(ev) {
-                if (ev.key === 'Enter' || ev.key === ' ') {
-                    handler(ev);
-                    ev.preventDefault(); // if space, don't scroll down page
-                }
-            },
-        };
-    }
-
-    let guidNumber = 0;
-    function guid() {
-        guidNumber += 1;
-        return String(guidNumber);
-    }
-    /* FullCalendar-specific DOM Utilities
-    ----------------------------------------------------------------------------------------------------------------------*/
-    // Make the mouse cursor express that an event is not allowed in the current area
-    function disableCursor() {
-        document.body.classList.add('fc-not-allowed');
-    }
-    // Returns the mouse cursor to its original look
-    function enableCursor() {
-        document.body.classList.remove('fc-not-allowed');
-    }
-    /* Selection
-    ----------------------------------------------------------------------------------------------------------------------*/
-    function preventSelection(el) {
-        el.style.userSelect = 'none';
-        el.style.webkitUserSelect = 'none';
-        el.addEventListener('selectstart', preventDefault);
-    }
-    function allowSelection(el) {
-        el.style.userSelect = '';
-        el.style.webkitUserSelect = '';
-        el.removeEventListener('selectstart', preventDefault);
-    }
-    /* Context Menu
-    ----------------------------------------------------------------------------------------------------------------------*/
-    function preventContextMenu(el) {
-        el.addEventListener('contextmenu', preventDefault);
-    }
-    function allowContextMenu(el) {
-        el.removeEventListener('contextmenu', preventDefault);
-    }
-    function parseFieldSpecs(input) {
-        let specs = [];
-        let tokens = [];
-        let i;
-        let 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 += 1) {
-            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) {
-        let i;
-        let cmp;
-        for (i = 0; i < fieldSpecs.length; i += 1) {
-            cmp = compareByFieldSpec(obj0, obj1, fieldSpecs[i]);
-            if (cmp) {
-                return cmp;
-            }
-        }
-        return 0;
-    }
-    function compareByFieldSpec(obj0, obj1, fieldSpec) {
-        if (fieldSpec.func) {
-            return fieldSpec.func(obj0, obj1);
-        }
-        return flexibleCompare(obj0[fieldSpec.field], obj1[fieldSpec.field])
-            * (fieldSpec.order || 1);
-    }
-    function flexibleCompare(a, b) {
-        if (!a && !b) {
-            return 0;
-        }
-        if (b == null) {
-            return -1;
-        }
-        if (a == null) {
-            return 1;
-        }
-        if (typeof a === 'string' || typeof b === 'string') {
-            return String(a).localeCompare(String(b));
-        }
-        return a - b;
-    }
-    /* String Utilities
-    ----------------------------------------------------------------------------------------------------------------------*/
-    function padStart(val, len) {
-        let s = String(val);
-        return '000'.substr(0, len - s.length) + s;
-    }
-    function formatWithOrdinals(formatter, args, fallbackText) {
-        if (typeof formatter === 'function') {
-            return formatter(...args);
-        }
-        if (typeof formatter === 'string') { // non-blank string
-            return args.reduce((str, arg, index) => (str.replace('$' + index, arg || '')), formatter);
-        }
-        return fallbackText;
-    }
-    /* Number Utilities
-    ----------------------------------------------------------------------------------------------------------------------*/
-    function compareNumbers(a, b) {
-        return a - b;
-    }
-    function isInt(n) {
-        return n % 1 === 0;
-    }
-    /* FC-specific DOM dimension stuff
-    ----------------------------------------------------------------------------------------------------------------------*/
-    function computeSmallestCellWidth(cellEl) {
-        let allWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-frame');
-        let contentWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-cushion');
-        if (!allWidthEl) {
-            throw new Error('needs fc-scrollgrid-shrink-frame className'); // TODO: use const
-        }
-        if (!contentWidthEl) {
-            throw new Error('needs fc-scrollgrid-shrink-cushion className');
-        }
-        return cellEl.getBoundingClientRect().width - allWidthEl.getBoundingClientRect().width + // the cell padding+border
-            contentWidthEl.getBoundingClientRect().width;
-    }
-
-    const INTERNAL_UNITS = ['years', 'months', 'days', 'milliseconds'];
-    const PARSE_RE = /^(-?)(?:(\d+)\.)?(\d+):(\d\d)(?::(\d\d)(?:\.(\d\d\d))?)?/;
-    // Parsing and Creation
-    function createDuration(input, unit) {
-        if (typeof input === 'string') {
-            return parseString(input);
-        }
-        if (typeof input === 'object' && input) { // non-null object
-            return parseObject(input);
-        }
-        if (typeof input === 'number') {
-            return parseObject({ [unit || 'milliseconds']: input });
-        }
-        return null;
-    }
-    function parseString(s) {
-        let m = PARSE_RE.exec(s);
-        if (m) {
-            let sign = m[1] ? -1 : 1;
-            return {
-                years: 0,
-                months: 0,
-                days: sign * (m[2] ? parseInt(m[2], 10) : 0),
-                milliseconds: sign * ((m[3] ? parseInt(m[3], 10) : 0) * 60 * 60 * 1000 + // hours
-                    (m[4] ? parseInt(m[4], 10) : 0) * 60 * 1000 + // minutes
-                    (m[5] ? parseInt(m[5], 10) : 0) * 1000 + // seconds
-                    (m[6] ? parseInt(m[6], 10) : 0) // ms
-                ),
-            };
-        }
-        return null;
-    }
-    function parseObject(obj) {
-        let duration = {
-            years: obj.years || obj.year || 0,
-            months: obj.months || obj.month || 0,
-            days: obj.days || obj.day || 0,
-            milliseconds: (obj.hours || obj.hour || 0) * 60 * 60 * 1000 + // hours
-                (obj.minutes || obj.minute || 0) * 60 * 1000 + // minutes
-                (obj.seconds || obj.second || 0) * 1000 + // seconds
-                (obj.milliseconds || obj.millisecond || obj.ms || 0), // ms
-        };
-        let weeks = obj.weeks || obj.week;
-        if (weeks) {
-            duration.days += weeks * 7;
-            duration.specifiedWeeks = true;
-        }
-        return duration;
-    }
-    // Equality
-    function durationsEqual(d0, d1) {
-        return d0.years === d1.years &&
-            d0.months === d1.months &&
-            d0.days === d1.days &&
-            d0.milliseconds === d1.milliseconds;
-    }
-    function asCleanDays(dur) {
-        if (!dur.years && !dur.months && !dur.milliseconds) {
-            return dur.days;
-        }
-        return 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) {
-        let res = null;
-        for (let i = 0; i < INTERNAL_UNITS.length; i += 1) {
-            let unit = INTERNAL_UNITS[i];
-            if (denominator[unit]) {
-                let 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) {
-        let ms = dur.milliseconds;
-        if (ms) {
-            if (ms % 1000 !== 0) {
-                return { unit: 'millisecond', value: ms };
-            }
-            if (ms % (1000 * 60) !== 0) {
-                return { unit: 'second', value: ms / 1000 };
-            }
-            if (ms % (1000 * 60 * 60) !== 0) {
-                return { unit: 'minute', value: ms / (1000 * 60) };
-            }
-            if (ms) {
-                return { unit: 'hour', value: ms / (1000 * 60 * 60) };
-            }
-        }
-        if (dur.days) {
-            if (dur.specifiedWeeks && dur.days % 7 === 0) {
-                return { unit: 'week', value: dur.days / 7 };
-            }
-            return { unit: 'day', value: dur.days };
-        }
-        if (dur.months) {
-            return { unit: 'month', value: dur.months };
-        }
-        if (dur.years) {
-            return { unit: 'year', value: dur.years };
-        }
-        return { unit: 'millisecond', value: 0 };
-    }
-
-    // TODO: new util arrayify?
-    function removeExact(array, exactVal) {
-        let removeCnt = 0;
-        let i = 0;
-        while (i < array.length) {
-            if (array[i] === exactVal) {
-                array.splice(i, 1);
-                removeCnt += 1;
-            }
-            else {
-                i += 1;
-            }
-        }
-        return removeCnt;
-    }
-    function isArraysEqual(a0, a1, equalityFunc) {
-        if (a0 === a1) {
-            return true;
-        }
-        let len = a0.length;
-        let i;
-        if (len !== a1.length) { // not array? or not same length?
-            return false;
-        }
-        for (i = 0; i < len; i += 1) {
-            if (!(equalityFunc ? equalityFunc(a0[i], a1[i]) : a0[i] === a1[i])) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    const DAY_IDS = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'];
-    // Adding
-    function addWeeks(m, n) {
-        let a = dateToUtcArray(m);
-        a[2] += n * 7;
-        return arrayToUtcDate(a);
-    }
-    function addDays(m, n) {
-        let a = dateToUtcArray(m);
-        a[2] += n;
-        return arrayToUtcDate(a);
-    }
-    function addMs(m, n) {
-        let a = dateToUtcArray(m);
-        a[6] += n;
-        return arrayToUtcDate(a);
-    }
-    // Diffing (all return floats)
-    // TODO: why not use ranges?
-    function diffWeeks(m0, m1) {
-        return diffDays(m0, m1) / 7;
-    }
-    function diffDays(m0, m1) {
-        return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60 * 24);
-    }
-    function diffHours(m0, m1) {
-        return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60);
-    }
-    function diffMinutes(m0, m1) {
-        return (m1.valueOf() - m0.valueOf()) / (1000 * 60);
-    }
-    function diffSeconds(m0, m1) {
-        return (m1.valueOf() - m0.valueOf()) / 1000;
-    }
-    function diffDayAndTime(m0, m1) {
-        let m0day = startOfDay(m0);
-        let 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) {
-        let 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) {
-        let y = marker.getUTCFullYear();
-        let w = weekOfGivenYear(marker, y, dow, doy);
-        if (w < 1) {
-            return weekOfGivenYear(marker, y - 1, dow, doy);
-        }
-        let nextW = weekOfGivenYear(marker, y + 1, dow, doy);
-        if (nextW >= 1) {
-            return Math.min(w, nextW);
-        }
-        return w;
-    }
-    function weekOfGivenYear(marker, year, dow, doy) {
-        let firstWeekStart = arrayToUtcDate([year, 0, 1 + firstWeekOffset(year, dow, doy)]);
-        let dayStart = startOfDay(marker);
-        let 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)
-        let fwd = 7 + dow - doy;
-        // first-week day local weekday -- which local weekday is fwd
-        let 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(...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();
-    }
-
-    // timeZoneOffset is in minutes
-    function buildIsoString(marker, timeZoneOffset, stripZeroTime = false) {
-        let s = marker.toISOString();
-        s = s.replace('.000', '');
-        if (stripZeroTime) {
-            s = s.replace('T00:00:00Z', '');
-        }
-        if (s.length > 10) { // time part wasn't stripped, can add timezone info
-            if (timeZoneOffset == null) {
-                s = s.replace('Z', '');
-            }
-            else if (timeZoneOffset !== 0) {
-                s = s.replace('Z', formatTimeZoneOffset(timeZoneOffset, true));
-            }
-            // otherwise, its UTC-0 and we want to keep the Z
-        }
-        return s;
-    }
-    // formats the date, but with no time part
-    // TODO: somehow merge with buildIsoString and stripZeroTime
-    // TODO: rename. omit "string"
-    function formatDayString(marker) {
-        return marker.toISOString().replace(/T.*$/, '');
-    }
-    function formatIsoMonthStr(marker) {
-        return marker.toISOString().match(/^\d{4}-\d{2}/)[0];
-    }
-    // TODO: use Date::toISOString and use everything after the T?
-    function formatIsoTimeString(marker) {
-        return padStart(marker.getUTCHours(), 2) + ':' +
-            padStart(marker.getUTCMinutes(), 2) + ':' +
-            padStart(marker.getUTCSeconds(), 2);
-    }
-    function formatTimeZoneOffset(minutes, doIso = false) {
-        let sign = minutes < 0 ? '-' : '+';
-        let abs = Math.abs(minutes);
-        let hours = Math.floor(abs / 60);
-        let mins = Math.round(abs % 60);
-        if (doIso) {
-            return `${sign + padStart(hours, 2)}:${padStart(mins, 2)}`;
-        }
-        return `GMT${sign}${hours}${mins ? `:${padStart(mins, 2)}` : ''}`;
-    }
-
-    function memoize(workerFunc, resEquality, teardownFunc) {
-        let currentArgs;
-        let currentRes;
-        return function (...newArgs) {
-            if (!currentArgs) {
-                currentRes = workerFunc.apply(this, newArgs);
-            }
-            else if (!isArraysEqual(currentArgs, newArgs)) {
-                if (teardownFunc) {
-                    teardownFunc(currentRes);
-                }
-                let res = workerFunc.apply(this, newArgs);
-                if (!resEquality || !resEquality(res, currentRes)) {
-                    currentRes = res;
-                }
-            }
-            currentArgs = newArgs;
-            return currentRes;
-        };
-    }
-    function memoizeObjArg(workerFunc, resEquality, teardownFunc) {
-        let currentArg;
-        let currentRes;
-        return (newArg) => {
-            if (!currentArg) {
-                currentRes = workerFunc.call(this, newArg);
-            }
-            else if (!isPropsEqual(currentArg, newArg)) {
-                if (teardownFunc) {
-                    teardownFunc(currentRes);
-                }
-                let res = workerFunc.call(this, newArg);
-                if (!resEquality || !resEquality(res, currentRes)) {
-                    currentRes = res;
-                }
-            }
-            currentArg = newArg;
-            return currentRes;
-        };
-    }
-    function memoizeArraylike(// used at all?
-    workerFunc, resEquality, teardownFunc) {
-        let currentArgSets = [];
-        let currentResults = [];
-        return (newArgSets) => {
-            let currentLen = currentArgSets.length;
-            let newLen = newArgSets.length;
-            let i = 0;
-            for (; i < currentLen; i += 1) {
-                if (!newArgSets[i]) { // one of the old sets no longer exists
-                    if (teardownFunc) {
-                        teardownFunc(currentResults[i]);
-                    }
-                }
-                else if (!isArraysEqual(currentArgSets[i], newArgSets[i])) {
-                    if (teardownFunc) {
-                        teardownFunc(currentResults[i]);
-                    }
-                    let res = workerFunc.apply(this, newArgSets[i]);
-                    if (!resEquality || !resEquality(res, currentResults[i])) {
-                        currentResults[i] = res;
-                    }
-                }
-            }
-            for (; i < newLen; i += 1) {
-                currentResults[i] = workerFunc.apply(this, newArgSets[i]);
-            }
-            currentArgSets = newArgSets;
-            currentResults.splice(newLen); // remove excess
-            return currentResults;
-        };
-    }
-    function memoizeHashlike(workerFunc, resEquality, teardownFunc) {
-        let currentArgHash = {};
-        let currentResHash = {};
-        return (newArgHash) => {
-            let newResHash = {};
-            for (let key in newArgHash) {
-                if (!currentResHash[key]) {
-                    newResHash[key] = workerFunc.apply(this, newArgHash[key]);
-                }
-                else if (!isArraysEqual(currentArgHash[key], newArgHash[key])) {
-                    if (teardownFunc) {
-                        teardownFunc(currentResHash[key]);
-                    }
-                    let res = workerFunc.apply(this, newArgHash[key]);
-                    newResHash[key] = (resEquality && resEquality(res, currentResHash[key]))
-                        ? currentResHash[key]
-                        : res;
-                }
-                else {
-                    newResHash[key] = currentResHash[key];
-                }
-            }
-            currentArgHash = newArgHash;
-            currentResHash = newResHash;
-            return newResHash;
-        };
-    }
-
-    const EXTENDED_SETTINGS_AND_SEVERITIES = {
-        week: 3,
-        separator: 9,
-        omitZeroMinute: 9,
-        meridiem: 9,
-        omitCommas: 9,
-    };
-    const STANDARD_DATE_PROP_SEVERITIES = {
-        timeZoneName: 7,
-        era: 6,
-        year: 5,
-        month: 4,
-        day: 2,
-        weekday: 2,
-        hour: 1,
-        minute: 1,
-        second: 1,
-    };
-    const MERIDIEM_RE = /\s*([ap])\.?m\.?/i; // eats up leading spaces too
-    const COMMA_RE = /,/g; // we need re for globalness
-    const MULTI_SPACE_RE = /\s+/g;
-    const LTR_RE = /\u200e/g; // control character
-    const UTC_RE = /UTC|GMT/;
-    class NativeFormatter {
-        constructor(formatSettings) {
-            let standardDateProps = {};
-            let extendedSettings = {};
-            let smallestUnitNum = 9; // the smallest unit in the formatter (9 is a sentinel, beyond max)
-            for (let name in formatSettings) {
-                if (name in EXTENDED_SETTINGS_AND_SEVERITIES) {
-                    extendedSettings[name] = formatSettings[name];
-                    const severity = EXTENDED_SETTINGS_AND_SEVERITIES[name];
-                    if (severity < 9) {
-                        smallestUnitNum = Math.min(EXTENDED_SETTINGS_AND_SEVERITIES[name], smallestUnitNum);
-                    }
-                }
-                else {
-                    standardDateProps[name] = formatSettings[name];
-                    if (name in STANDARD_DATE_PROP_SEVERITIES) { // TODO: what about hour12? no severity
-                        smallestUnitNum = Math.min(STANDARD_DATE_PROP_SEVERITIES[name], smallestUnitNum);
-                    }
-                }
-            }
-            this.standardDateProps = standardDateProps;
-            this.extendedSettings = extendedSettings;
-            this.smallestUnitNum = smallestUnitNum;
-            this.buildFormattingFunc = memoize(buildFormattingFunc);
-        }
-        format(date, context) {
-            return this.buildFormattingFunc(this.standardDateProps, this.extendedSettings, context)(date);
-        }
-        formatRange(start, end, context, betterDefaultSeparator) {
-            let { standardDateProps, extendedSettings } = this;
-            let diffSeverity = computeMarkerDiffSeverity(start.marker, end.marker, context.calendarSystem);
-            if (!diffSeverity) {
-                return this.format(start, context);
-            }
-            let 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
-            }
-            let full0 = this.format(start, context);
-            let full1 = this.format(end, context);
-            if (full0 === full1) {
-                return full0;
-            }
-            let partialDateProps = computePartialFormattingOptions(standardDateProps, biggestUnitForPartial);
-            let partialFormattingFunc = buildFormattingFunc(partialDateProps, extendedSettings, context);
-            let partial0 = partialFormattingFunc(start);
-            let partial1 = partialFormattingFunc(end);
-            let insertion = findCommonInsertion(full0, partial0, full1, partial1);
-            let separator = extendedSettings.separator || betterDefaultSeparator || context.defaultSeparator || '';
-            if (insertion) {
-                return insertion.before + partial0 + separator + partial1 + insertion.after;
-            }
-            return full0 + separator + full1;
-        }
-        getSmallestUnit() {
-            switch (this.smallestUnitNum) {
-                case 7:
-                case 6:
-                case 5:
-                    return 'year';
-                case 4:
-                    return 'month';
-                case 3:
-                    return 'week';
-                case 2:
-                    return 'day';
-                default:
-                    return 'time'; // really?
-            }
-        }
-    }
-    function buildFormattingFunc(standardDateProps, extendedSettings, context) {
-        let standardDatePropCnt = Object.keys(standardDateProps).length;
-        if (standardDatePropCnt === 1 && standardDateProps.timeZoneName === 'short') {
-            return (date) => (formatTimeZoneOffset(date.timeZoneOffset));
-        }
-        if (standardDatePropCnt === 0 && extendedSettings.week) {
-            return (date) => (formatWeekNumber(context.computeWeekNumber(date.marker), context.weekText, context.weekTextLong, context.locale, extendedSettings.week));
-        }
-        return buildNativeFormattingFunc(standardDateProps, extendedSettings, context);
-    }
-    function buildNativeFormattingFunc(standardDateProps, extendedSettings, context) {
-        standardDateProps = Object.assign({}, standardDateProps); // copy
-        extendedSettings = Object.assign({}, extendedSettings); // copy
-        sanitizeSettings(standardDateProps, extendedSettings);
-        standardDateProps.timeZone = 'UTC'; // we leverage the only guaranteed timeZone for our UTC markers
-        let normalFormat = new Intl.DateTimeFormat(context.locale.codes, standardDateProps);
-        let zeroFormat; // needed?
-        if (extendedSettings.omitZeroMinute) {
-            let zeroProps = Object.assign({}, standardDateProps);
-            delete zeroProps.minute; // seconds and ms were already considered in sanitizeSettings
-            zeroFormat = new Intl.DateTimeFormat(context.locale.codes, zeroProps);
-        }
-        return (date) => {
-            let { marker } = date;
-            let format;
-            if (zeroFormat && !marker.getUTCMinutes()) {
-                format = zeroFormat;
-            }
-            else {
-                format = normalFormat;
-            }
-            let 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, (m0, m1) => m1.toLocaleLowerCase());
-        }
-        else if (extendedSettings.meridiem === 'short') { // am/pm
-            s = s.replace(MERIDIEM_RE, (m0, m1) => `${m1.toLocaleLowerCase()}m`);
-        }
-        else if (extendedSettings.meridiem === 'lowercase') { // other meridiem transformers already converted to lowercase
-            s = s.replace(MERIDIEM_RE, (m0) => m0.toLocaleLowerCase());
-        }
-        s = s.replace(MULTI_SPACE_RE, ' ');
-        s = s.trim();
-        return s;
-    }
-    function injectTzoStr(s, tzoStr) {
-        let replaced = false;
-        s = s.replace(UTC_RE, () => {
-            replaced = true;
-            return tzoStr;
-        });
-        // IE11 doesn't include UTC/GMT in the original string, so append to end
-        if (!replaced) {
-            s += ` ${tzoStr}`;
-        }
-        return s;
-    }
-    function formatWeekNumber(num, weekText, weekTextLong, locale, display) {
-        let parts = [];
-        if (display === 'long') {
-            parts.push(weekTextLong);
-        }
-        else if (display === 'short' || display === 'narrow') {
-            parts.push(weekText);
-        }
-        if (display === 'long' || display === 'short') {
-            parts.push(' ');
-        }
-        parts.push(locale.simpleNumberFormat.format(num));
-        if (locale.options.direction === 'rtl') { // TODO: use control characters instead?
-            parts.reverse();
-        }
-        return parts.join('');
-    }
-    // Range Formatting Utils
-    // 0 = exactly the same
-    // 1 = different by time
-    // and bigger
-    function computeMarkerDiffSeverity(d0, d1, ca) {
-        if (ca.getMarkerYear(d0) !== ca.getMarkerYear(d1)) {
-            return 5;
-        }
-        if (ca.getMarkerMonth(d0) !== ca.getMarkerMonth(d1)) {
-            return 4;
-        }
-        if (ca.getMarkerDay(d0) !== ca.getMarkerDay(d1)) {
-            return 2;
-        }
-        if (timeAsMs(d0) !== timeAsMs(d1)) {
-            return 1;
-        }
-        return 0;
-    }
-    function computePartialFormattingOptions(options, biggestUnit) {
-        let partialOptions = {};
-        for (let name in options) {
-            if (!(name in STANDARD_DATE_PROP_SEVERITIES) || // not a date part prop (like timeZone)
-                STANDARD_DATE_PROP_SEVERITIES[name] <= biggestUnit) {
-                partialOptions[name] = options[name];
-            }
-        }
-        return partialOptions;
-    }
-    function findCommonInsertion(full0, partial0, full1, partial1) {
-        let i0 = 0;
-        while (i0 < full0.length) {
-            let found0 = full0.indexOf(partial0, i0);
-            if (found0 === -1) {
-                break;
-            }
-            let before0 = full0.substr(0, found0);
-            i0 = found0 + partial0.length;
-            let after0 = full0.substr(i0);
-            let i1 = 0;
-            while (i1 < full1.length) {
-                let found1 = full1.indexOf(partial1, i1);
-                if (found1 === -1) {
-                    break;
-                }
-                let before1 = full1.substr(0, found1);
-                i1 = found1 + partial1.length;
-                let after1 = full1.substr(i1);
-                if (before0 === before1 && after0 === after1) {
-                    return {
-                        before: before0,
-                        after: after0,
-                    };
-                }
-            }
-        }
-        return null;
-    }
-
-    function expandZonedMarker(dateInfo, calendarSystem) {
-        let a = calendarSystem.markerToArray(dateInfo.marker);
-        return {
-            marker: dateInfo.marker,
-            timeZoneOffset: dateInfo.timeZoneOffset,
-            array: a,
-            year: a[0],
-            month: a[1],
-            day: a[2],
-            hour: a[3],
-            minute: a[4],
-            second: a[5],
-            millisecond: a[6],
-        };
-    }
-
-    function createVerboseFormattingArg(start, end, context, betterDefaultSeparator) {
-        let startInfo = expandZonedMarker(start, context.calendarSystem);
-        let endInfo = end ? expandZonedMarker(end, context.calendarSystem) : null;
-        return {
-            date: startInfo,
-            start: startInfo,
-            end: endInfo,
-            timeZone: context.timeZone,
-            localeCodes: context.locale.codes,
-            defaultSeparator: betterDefaultSeparator || context.defaultSeparator,
-        };
-    }
-
-    /*
-    TODO: fix the terminology of "formatter" vs "formatting func"
-    */
-    /*
-    At the time of instantiation, this object does not know which cmd-formatting system it will use.
-    It receives this at the time of formatting, as a setting.
-    */
-    class CmdFormatter {
-        constructor(cmdStr) {
-            this.cmdStr = cmdStr;
-        }
-        format(date, context, betterDefaultSeparator) {
-            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(date, null, context, betterDefaultSeparator));
-        }
-        formatRange(start, end, context, betterDefaultSeparator) {
-            return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(start, end, context, betterDefaultSeparator));
-        }
-    }
-
-    class FuncFormatter {
-        constructor(func) {
-            this.func = func;
-        }
-        format(date, context, betterDefaultSeparator) {
-            return this.func(createVerboseFormattingArg(date, null, context, betterDefaultSeparator));
-        }
-        formatRange(start, end, context, betterDefaultSeparator) {
-            return this.func(createVerboseFormattingArg(start, end, context, betterDefaultSeparator));
-        }
-    }
-
-    function createFormatter(input) {
-        if (typeof input === 'object' && input) { // non-null object
-            return new NativeFormatter(input);
-        }
-        if (typeof input === 'string') {
-            return new CmdFormatter(input);
-        }
-        if (typeof input === 'function') {
-            return new FuncFormatter(input);
-        }
-        return null;
-    }
-
-    // base options
-    // ------------
-    const BASE_OPTION_REFINERS = {
-        navLinkDayClick: identity,
-        navLinkWeekClick: identity,
-        duration: createDuration,
-        bootstrapFontAwesome: identity,
-        buttonIcons: identity,
-        customButtons: identity,
-        defaultAllDayEventDuration: createDuration,
-        defaultTimedEventDuration: createDuration,
-        nextDayThreshold: createDuration,
-        scrollTime: createDuration,
-        scrollTimeReset: Boolean,
-        slotMinTime: createDuration,
-        slotMaxTime: createDuration,
-        dayPopoverFormat: createFormatter,
-        slotDuration: createDuration,
-        snapDuration: createDuration,
-        headerToolbar: identity,
-        footerToolbar: identity,
-        defaultRangeSeparator: String,
-        titleRangeSeparator: String,
-        forceEventDuration: Boolean,
-        dayHeaders: Boolean,
-        dayHeaderFormat: createFormatter,
-        dayHeaderClassNames: identity,
-        dayHeaderContent: identity,
-        dayHeaderDidMount: identity,
-        dayHeaderWillUnmount: identity,
-        dayCellClassNames: identity,
-        dayCellContent: identity,
-        dayCellDidMount: identity,
-        dayCellWillUnmount: identity,
-        initialView: String,
-        aspectRatio: Number,
-        weekends: Boolean,
-        weekNumberCalculation: identity,
-        weekNumbers: Boolean,
-        weekNumberClassNames: identity,
-        weekNumberContent: identity,
-        weekNumberDidMount: identity,
-        weekNumberWillUnmount: identity,
-        editable: Boolean,
-        viewClassNames: identity,
-        viewDidMount: identity,
-        viewWillUnmount: identity,
-        nowIndicator: Boolean,
-        nowIndicatorClassNames: identity,
-        nowIndicatorContent: identity,
-        nowIndicatorDidMount: identity,
-        nowIndicatorWillUnmount: identity,
-        showNonCurrentDates: Boolean,
-        lazyFetching: Boolean,
-        startParam: String,
-        endParam: String,
-        timeZoneParam: String,
-        timeZone: String,
-        locales: identity,
-        locale: identity,
-        themeSystem: String,
-        dragRevertDuration: Number,
-        dragScroll: Boolean,
-        allDayMaintainDuration: Boolean,
-        unselectAuto: Boolean,
-        dropAccept: identity,
-        eventOrder: parseFieldSpecs,
-        eventOrderStrict: Boolean,
-        handleWindowResize: Boolean,
-        windowResizeDelay: Number,
-        longPressDelay: Number,
-        eventDragMinDistance: Number,
-        expandRows: Boolean,
-        height: identity,
-        contentHeight: identity,
-        direction: String,
-        weekNumberFormat: createFormatter,
-        eventResizableFromStart: Boolean,
-        displayEventTime: Boolean,
-        displayEventEnd: Boolean,
-        weekText: String,
-        weekTextLong: String,
-        progressiveEventRendering: Boolean,
-        businessHours: identity,
-        initialDate: identity,
-        now: identity,
-        eventDataTransform: identity,
-        stickyHeaderDates: identity,
-        stickyFooterScrollbar: identity,
-        viewHeight: identity,
-        defaultAllDay: Boolean,
-        eventSourceFailure: identity,
-        eventSourceSuccess: identity,
-        eventDisplay: String,
-        eventStartEditable: Boolean,
-        eventDurationEditable: Boolean,
-        eventOverlap: identity,
-        eventConstraint: identity,
-        eventAllow: identity,
-        eventBackgroundColor: String,
-        eventBorderColor: String,
-        eventTextColor: String,
-        eventColor: String,
-        eventClassNames: identity,
-        eventContent: identity,
-        eventDidMount: identity,
-        eventWillUnmount: identity,
-        selectConstraint: identity,
-        selectOverlap: identity,
-        selectAllow: identity,
-        droppable: Boolean,
-        unselectCancel: String,
-        slotLabelFormat: identity,
-        slotLaneClassNames: identity,
-        slotLaneContent: identity,
-        slotLaneDidMount: identity,
-        slotLaneWillUnmount: identity,
-        slotLabelClassNames: identity,
-        slotLabelContent: identity,
-        slotLabelDidMount: identity,
-        slotLabelWillUnmount: identity,
-        dayMaxEvents: identity,
-        dayMaxEventRows: identity,
-        dayMinWidth: Number,
-        slotLabelInterval: createDuration,
-        allDayText: String,
-        allDayClassNames: identity,
-        allDayContent: identity,
-        allDayDidMount: identity,
-        allDayWillUnmount: identity,
-        slotMinWidth: Number,
-        navLinks: Boolean,
-        eventTimeFormat: createFormatter,
-        rerenderDelay: Number,
-        moreLinkText: identity,
-        moreLinkHint: identity,
-        selectMinDistance: Number,
-        selectable: Boolean,
-        selectLongPressDelay: Number,
-        eventLongPressDelay: Number,
-        selectMirror: Boolean,
-        eventMaxStack: Number,
-        eventMinHeight: Number,
-        eventMinWidth: Number,
-        eventShortHeight: Number,
-        slotEventOverlap: Boolean,
-        plugins: identity,
-        firstDay: Number,
-        dayCount: Number,
-        dateAlignment: String,
-        dateIncrement: createDuration,
-        hiddenDays: identity,
-        fixedWeekCount: Boolean,
-        validRange: identity,
-        visibleRange: identity,
-        titleFormat: identity,
-        eventInteractive: Boolean,
-        // only used by list-view, but languages define the value, so we need it in base options
-        noEventsText: String,
-        viewHint: identity,
-        navLinkHint: identity,
-        closeHint: String,
-        timeHint: String,
-        eventHint: String,
-        moreLinkClick: identity,
-        moreLinkClassNames: identity,
-        moreLinkContent: identity,
-        moreLinkDidMount: identity,
-        moreLinkWillUnmount: identity,
-        monthStartFormat: createFormatter,
-        // for connectors
-        // (can't be part of plugin system b/c must be provided at runtime)
-        handleCustomRendering: identity,
-        customRenderingMetaMap: identity,
-        customRenderingReplaces: Boolean,
-    };
-    // do NOT give a type here. need `typeof BASE_OPTION_DEFAULTS` to give real results.
-    // raw values.
-    const BASE_OPTION_DEFAULTS = {
-        eventDisplay: 'auto',
-        defaultRangeSeparator: ' - ',
-        titleRangeSeparator: ' \u2013 ',
-        defaultTimedEventDuration: '01:00:00',
-        defaultAllDayEventDuration: { day: 1 },
-        forceEventDuration: false,
-        nextDayThreshold: '00:00:00',
-        dayHeaders: true,
-        initialView: '',
-        aspectRatio: 1.35,
-        headerToolbar: {
-            start: 'title',
-            center: '',
-            end: 'today prev,next',
-        },
-        weekends: true,
-        weekNumbers: false,
-        weekNumberCalculation: 'local',
-        editable: false,
-        nowIndicator: false,
-        scrollTime: '06:00:00',
-        scrollTimeReset: true,
-        slotMinTime: '00:00:00',
-        slotMaxTime: '24:00:00',
-        showNonCurrentDates: true,
-        lazyFetching: true,
-        startParam: 'start',
-        endParam: 'end',
-        timeZoneParam: 'timeZone',
-        timeZone: 'local',
-        locales: [],
-        locale: '',
-        themeSystem: 'standard',
-        dragRevertDuration: 500,
-        dragScroll: true,
-        allDayMaintainDuration: false,
-        unselectAuto: true,
-        dropAccept: '*',
-        eventOrder: 'start,-duration,allDay,title',
-        dayPopoverFormat: { month: 'long', day: 'numeric', year: 'numeric' },
-        handleWindowResize: true,
-        windowResizeDelay: 100,
-        longPressDelay: 1000,
-        eventDragMinDistance: 5,
-        expandRows: false,
-        navLinks: false,
-        selectable: false,
-        eventMinHeight: 15,
-        eventMinWidth: 30,
-        eventShortHeight: 30,
-        monthStartFormat: { month: 'long', day: 'numeric' },
-    };
-    // calendar listeners
-    // ------------------
-    const CALENDAR_LISTENER_REFINERS = {
-        datesSet: identity,
-        eventsSet: identity,
-        eventAdd: identity,
-        eventChange: identity,
-        eventRemove: identity,
-        windowResize: identity,
-        eventClick: identity,
-        eventMouseEnter: identity,
-        eventMouseLeave: identity,
-        select: identity,
-        unselect: identity,
-        loading: identity,
-        // internal
-        _unmount: identity,
-        _beforeprint: identity,
-        _afterprint: identity,
-        _noEventDrop: identity,
-        _noEventResize: identity,
-        _resize: identity,
-        _scrollRequest: identity,
-    };
-    // calendar-specific options
-    // -------------------------
-    const CALENDAR_OPTION_REFINERS = {
-        buttonText: identity,
-        buttonHints: identity,
-        views: identity,
-        plugins: identity,
-        initialEvents: identity,
-        events: identity,
-        eventSources: identity,
-    };
-    const COMPLEX_OPTION_COMPARATORS = {
-        headerToolbar: isMaybeObjectsEqual,
-        footerToolbar: isMaybeObjectsEqual,
-        buttonText: isMaybeObjectsEqual,
-        buttonHints: isMaybeObjectsEqual,
-        buttonIcons: isMaybeObjectsEqual,
-        dateIncrement: isMaybeObjectsEqual,
-        plugins: isMaybeArraysEqual,
-        events: isMaybeArraysEqual,
-        eventSources: isMaybeArraysEqual,
-        ['resources']: isMaybeArraysEqual,
-    };
-    function isMaybeObjectsEqual(a, b) {
-        if (typeof a === 'object' && typeof b === 'object' && a && b) { // both non-null objects
-            return isPropsEqual(a, b);
-        }
-        return a === b;
-    }
-    function isMaybeArraysEqual(a, b) {
-        if (Array.isArray(a) && Array.isArray(b)) {
-            return isArraysEqual(a, b);
-        }
-        return a === b;
-    }
-    // view-specific options
-    // ---------------------
-    const VIEW_OPTION_REFINERS = {
-        type: String,
-        component: identity,
-        buttonText: String,
-        buttonTextKey: String,
-        dateProfileGeneratorClass: identity,
-        usesMinMaxTime: Boolean,
-        classNames: identity,
-        content: identity,
-        didMount: identity,
-        willUnmount: identity,
-    };
-    // util funcs
-    // ----------------------------------------------------------------------------------------------------
-    function mergeRawOptions(optionSets) {
-        return mergeProps(optionSets, COMPLEX_OPTION_COMPARATORS);
-    }
-    function refineProps(input, refiners) {
-        let refined = {};
-        let extra = {};
-        for (let propName in refiners) {
-            if (propName in input) {
-                refined[propName] = refiners[propName](input[propName]);
-            }
-        }
-        for (let propName in input) {
-            if (!(propName in refiners)) {
-                extra[propName] = input[propName];
-            }
-        }
-        return { refined, extra };
-    }
-    function identity(raw) {
-        return raw;
-    }
-
-    const { hasOwnProperty } = Object.prototype;
-    // Merges an array of objects into a single object.
-    // The second argument allows for an array of property names who's object values will be merged together.
-    function mergeProps(propObjs, complexPropsMap) {
-        let dest = {};
-        if (complexPropsMap) {
-            for (let name in complexPropsMap) {
-                if (complexPropsMap[name] === isMaybeObjectsEqual) { // implies that it's object-mergeable
-                    let complexObjs = [];
-                    // collect the trailing object values, stopping when a non-object is discovered
-                    for (let i = propObjs.length - 1; i >= 0; i -= 1) {
-                        let val = propObjs[i][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 (let i = propObjs.length - 1; i >= 0; i -= 1) {
-            let props = propObjs[i];
-            for (let 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) {
-        let filtered = {};
-        for (let key in hash) {
-            if (func(hash[key], key)) {
-                filtered[key] = hash[key];
-            }
-        }
-        return filtered;
-    }
-    function mapHash(hash, func) {
-        let newHash = {};
-        for (let key in hash) {
-            newHash[key] = func(hash[key], key);
-        }
-        return newHash;
-    }
-    function arrayToHash(a) {
-        let hash = {};
-        for (let item of a) {
-            hash[item] = true;
-        }
-        return hash;
-    }
-    // TODO: reassess browser support
-    // https://caniuse.com/?search=object.values
-    function hashValuesToArray(obj) {
-        let a = [];
-        for (let key in obj) {
-            a.push(obj[key]);
-        }
-        return a;
-    }
-    function isPropsEqual(obj0, obj1) {
-        if (obj0 === obj1) {
-            return true;
-        }
-        for (let key in obj0) {
-            if (hasOwnProperty.call(obj0, key)) {
-                if (!(key in obj1)) {
-                    return false;
-                }
-            }
-        }
-        for (let key in obj1) {
-            if (hasOwnProperty.call(obj1, key)) {
-                if (obj0[key] !== obj1[key]) {
-                    return false;
-                }
-            }
-        }
-        return true;
-    }
-    const HANDLER_RE = /^on[A-Z]/;
-    function isNonHandlerPropsEqual(obj0, obj1) {
-        const keys = getUnequalProps(obj0, obj1);
-        for (let key of keys) {
-            if (!HANDLER_RE.test(key)) {
-                return false;
-            }
-        }
-        return true;
-    }
-    function getUnequalProps(obj0, obj1) {
-        let keys = [];
-        for (let key in obj0) {
-            if (hasOwnProperty.call(obj0, key)) {
-                if (!(key in obj1)) {
-                    keys.push(key);
-                }
-            }
-        }
-        for (let key in obj1) {
-            if (hasOwnProperty.call(obj1, key)) {
-                if (obj0[key] !== obj1[key]) {
-                    keys.push(key);
-                }
-            }
-        }
-        return keys;
-    }
-    function compareObjs(oldProps, newProps, equalityFuncs = {}) {
-        if (oldProps === newProps) {
-            return true;
-        }
-        for (let key in newProps) {
-            if (key in oldProps && isObjValsEqual(oldProps[key], newProps[key], equalityFuncs[key])) ;
-            else {
-                return false;
-            }
-        }
-        // check for props that were omitted in the new
-        for (let key in oldProps) {
-            if (!(key in newProps)) {
-                return false;
-            }
-        }
-        return true;
-    }
-    /*
-    assumed "true" equality for handler names like "onReceiveSomething"
-    */
-    function isObjValsEqual(val0, val1, comparator) {
-        if (val0 === val1 || comparator === true) {
-            return true;
-        }
-        if (comparator) {
-            return comparator(val0, val1);
-        }
-        return false;
-    }
-    function collectFromHash(hash, startIndex = 0, endIndex, step = 1) {
-        let res = [];
-        if (endIndex == null) {
-            endIndex = Object.keys(hash).length;
-        }
-        for (let i = startIndex; i < endIndex; i += step) {
-            let val = hash[i];
-            if (val !== undefined) { // will disregard undefined for sparse arrays
-                res.push(val);
-            }
-        }
-        return res;
-    }
-
-    let calendarSystemClassMap = {};
-    function registerCalendarSystem(name, theClass) {
-        calendarSystemClassMap[name] = theClass;
-    }
-    function createCalendarSystem(name) {
-        return new calendarSystemClassMap[name]();
-    }
-    class GregorianCalendarSystem {
-        getMarkerYear(d) {
-            return d.getUTCFullYear();
-        }
-        getMarkerMonth(d) {
-            return d.getUTCMonth();
-        }
-        getMarkerDay(d) {
-            return d.getUTCDate();
-        }
-        arrayToMarker(arr) {
-            return arrayToUtcDate(arr);
-        }
-        markerToArray(marker) {
-            return dateToUtcArray(marker);
-        }
-    }
-    registerCalendarSystem('gregory', GregorianCalendarSystem);
-
-    const 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) {
-        let m = ISO_RE.exec(str);
-        if (m) {
-            let 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)) {
-                let timeZoneOffset = null;
-                if (m[13]) {
-                    timeZoneOffset = (m[15] === '-' ? -1 : 1) * (Number(m[16] || 0) * 60 +
-                        Number(m[18] || 0));
-                }
-                return {
-                    marker,
-                    isTimeUnspecified: !m[6],
-                    timeZoneOffset,
-                };
-            }
-        }
-        return null;
-    }
-
-    class DateEnv {
-        constructor(settings) {
-            let timeZone = this.timeZone = settings.timeZone;
-            let isNamedTimeZone = timeZone !== 'local' && timeZone !== 'UTC';
-            if (settings.namedTimeZoneImpl && isNamedTimeZone) {
-                this.namedTimeZoneImpl = new settings.namedTimeZoneImpl(timeZone);
-            }
-            this.canComputeOffset = Boolean(!isNamedTimeZone || this.namedTimeZoneImpl);
-            this.calendarSystem = createCalendarSystem(settings.calendarSystem);
-            this.locale = settings.locale;
-            this.weekDow = settings.locale.week.dow;
-            this.weekDoy = settings.locale.week.doy;
-            if (settings.weekNumberCalculation === 'ISO') {
-                this.weekDow = 1;
-                this.weekDoy = 4;
-            }
-            if (typeof settings.firstDay === 'number') {
-                this.weekDow = settings.firstDay;
-            }
-            if (typeof settings.weekNumberCalculation === 'function') {
-                this.weekNumberFunc = settings.weekNumberCalculation;
-            }
-            this.weekText = settings.weekText != null ? settings.weekText : settings.locale.options.weekText;
-            this.weekTextLong = (settings.weekTextLong != null ? settings.weekTextLong : settings.locale.options.weekTextLong) || this.weekText;
-            this.cmdFormatter = settings.cmdFormatter;
-            this.defaultSeparator = settings.defaultSeparator;
-        }
-        // Creating / Parsing
-        createMarker(input) {
-            let meta = this.createMarkerMeta(input);
-            if (meta === null) {
-                return null;
-            }
-            return meta.marker;
-        }
-        createNowMarker() {
-            if (this.canComputeOffset) {
-                return this.timestampToMarker(new Date().valueOf());
-            }
-            // 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()));
-        }
-        createMarkerMeta(input) {
-            if (typeof input === 'string') {
-                return this.parse(input);
-            }
-            let 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, isTimeUnspecified: false, forcedTzo: null };
-        }
-        parse(s) {
-            let parts = parse(s);
-            if (parts === null) {
-                return null;
-            }
-            let { marker } = parts;
-            let forcedTzo = null;
-            if (parts.timeZoneOffset !== null) {
-                if (this.canComputeOffset) {
-                    marker = this.timestampToMarker(marker.valueOf() - parts.timeZoneOffset * 60 * 1000);
-                }
-                else {
-                    forcedTzo = parts.timeZoneOffset;
-                }
-            }
-            return { marker, isTimeUnspecified: parts.isTimeUnspecified, forcedTzo };
-        }
-        // Accessors
-        getYear(marker) {
-            return this.calendarSystem.getMarkerYear(marker);
-        }
-        getMonth(marker) {
-            return this.calendarSystem.getMarkerMonth(marker);
-        }
-        getDay(marker) {
-            return this.calendarSystem.getMarkerDay(marker);
-        }
-        // Adding / Subtracting
-        add(marker, dur) {
-            let 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);
-        }
-        subtract(marker, dur) {
-            let 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);
-        }
-        addYears(marker, n) {
-            let a = this.calendarSystem.markerToArray(marker);
-            a[0] += n;
-            return this.calendarSystem.arrayToMarker(a);
-        }
-        addMonths(marker, n) {
-            let a = this.calendarSystem.markerToArray(marker);
-            a[1] += n;
-            return this.calendarSystem.arrayToMarker(a);
-        }
-        // Diffing Whole Units
-        diffWholeYears(m0, m1) {
-            let { calendarSystem } = this;
-            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;
-        }
-        diffWholeMonths(m0, m1) {
-            let { calendarSystem } = this;
-            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
-        greatestWholeUnit(m0, m1) {
-            let 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() };
-        }
-        countDurationsBetween(m0, m1, d) {
-            // TODO: can use greatestWholeUnit
-            let diff;
-            if (d.years) {
-                diff = this.diffWholeYears(m0, m1);
-                if (diff !== null) {
-                    return diff / asRoughYears(d);
-                }
-            }
-            if (d.months) {
-                diff = this.diffWholeMonths(m0, m1);
-                if (diff !== null) {
-                    return diff / asRoughMonths(d);
-                }
-            }
-            if (d.days) {
-                diff = diffWholeDays(m0, m1);
-                if (diff !== null) {
-                    return diff / asRoughDays(d);
-                }
-            }
-            return (m1.valueOf() - m0.valueOf()) / asRoughMs(d);
-        }
-        // Start-Of
-        // these DON'T return zoned-dates. only UTC start-of dates
-        startOf(m, unit) {
-            if (unit === 'year') {
-                return this.startOfYear(m);
-            }
-            if (unit === 'month') {
-                return this.startOfMonth(m);
-            }
-            if (unit === 'week') {
-                return this.startOfWeek(m);
-            }
-            if (unit === 'day') {
-                return startOfDay(m);
-            }
-            if (unit === 'hour') {
-                return startOfHour(m);
-            }
-            if (unit === 'minute') {
-                return startOfMinute(m);
-            }
-            if (unit === 'second') {
-                return startOfSecond(m);
-            }
-            return null;
-        }
-        startOfYear(m) {
-            return this.calendarSystem.arrayToMarker([
-                this.calendarSystem.getMarkerYear(m),
-            ]);
-        }
-        startOfMonth(m) {
-            return this.calendarSystem.arrayToMarker([
-                this.calendarSystem.getMarkerYear(m),
-                this.calendarSystem.getMarkerMonth(m),
-            ]);
-        }
-        startOfWeek(m) {
-            return this.calendarSystem.arrayToMarker([
-                this.calendarSystem.getMarkerYear(m),
-                this.calendarSystem.getMarkerMonth(m),
-                m.getUTCDate() - ((m.getUTCDay() - this.weekDow + 7) % 7),
-            ]);
-        }
-        // Week Number
-        computeWeekNumber(marker) {
-            if (this.weekNumberFunc) {
-                return this.weekNumberFunc(this.toDate(marker));
-            }
-            return weekOfYear(marker, this.weekDow, this.weekDoy);
-        }
-        // TODO: choke on timeZoneName: long
-        format(marker, formatter, dateOptions = {}) {
-            return formatter.format({
-                marker,
-                timeZoneOffset: dateOptions.forcedTzo != null ?
-                    dateOptions.forcedTzo :
-                    this.offsetForMarker(marker),
-            }, this);
-        }
-        formatRange(start, end, formatter, dateOptions = {}) {
-            if (dateOptions.isEndExclusive) {
-                end = addMs(end, -1);
-            }
-            return formatter.formatRange({
-                marker: start,
-                timeZoneOffset: dateOptions.forcedStartTzo != null ?
-                    dateOptions.forcedStartTzo :
-                    this.offsetForMarker(start),
-            }, {
-                marker: end,
-                timeZoneOffset: dateOptions.forcedEndTzo != null ?
-                    dateOptions.forcedEndTzo :
-                    this.offsetForMarker(end),
-            }, this, dateOptions.defaultSeparator);
-        }
-        /*
-        DUMB: the omitTime arg is dumb. if we omit the time, we want to omit the timezone offset. and if we do that,
-        might as well use buildIsoString or some other util directly
-        */
-        formatIso(marker, extraOptions = {}) {
-            let timeZoneOffset = null;
-            if (!extraOptions.omitTimeZoneOffset) {
-                if (extraOptions.forcedTzo != null) {
-                    timeZoneOffset = extraOptions.forcedTzo;
-                }
-                else {
-                    timeZoneOffset = this.offsetForMarker(marker);
-                }
-            }
-            return buildIsoString(marker, timeZoneOffset, extraOptions.omitTime);
-        }
-        // TimeZone
-        timestampToMarker(ms) {
-            if (this.timeZone === 'local') {
-                return arrayToUtcDate(dateToLocalArray(new Date(ms)));
-            }
-            if (this.timeZone === 'UTC' || !this.namedTimeZoneImpl) {
-                return new Date(ms);
-            }
-            return arrayToUtcDate(this.namedTimeZoneImpl.timestampToArray(ms));
-        }
-        offsetForMarker(m) {
-            if (this.timeZone === 'local') {
-                return -arrayToLocalDate(dateToUtcArray(m)).getTimezoneOffset(); // convert "inverse" offset to "normal" offset
-            }
-            if (this.timeZone === 'UTC') {
-                return 0;
-            }
-            if (this.namedTimeZoneImpl) {
-                return this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m));
-            }
-            return null;
-        }
-        // Conversion
-        toDate(m, forcedTzo) {
-            if (this.timeZone === 'local') {
-                return arrayToLocalDate(dateToUtcArray(m));
-            }
-            if (this.timeZone === 'UTC') {
-                return new Date(m.valueOf()); // make sure it's a copy
-            }
-            if (!this.namedTimeZoneImpl) {
-                return new Date(m.valueOf() - (forcedTzo || 0));
-            }
-            return new Date(m.valueOf() -
-                this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m)) * 1000 * 60);
-        }
-    }
-
-    class Theme {
-        constructor(calendarOptions) {
-            if (this.iconOverrideOption) {
-                this.setIconOverride(calendarOptions[this.iconOverrideOption]);
-            }
-        }
-        setIconOverride(iconOverrideHash) {
-            let iconClassesCopy;
-            let buttonName;
-            if (typeof iconOverrideHash === 'object' && iconOverrideHash) { // non-null object
-                iconClassesCopy = Object.assign({}, this.iconClasses);
-                for (buttonName in iconOverrideHash) {
-                    iconClassesCopy[buttonName] = this.applyIconOverridePrefix(iconOverrideHash[buttonName]);
-                }
-                this.iconClasses = iconClassesCopy;
-            }
-            else if (iconOverrideHash === false) {
-                this.iconClasses = {};
-            }
-        }
-        applyIconOverridePrefix(className) {
-            let prefix = this.iconOverridePrefix;
-            if (prefix && className.indexOf(prefix) !== 0) { // if not already present
-                className = prefix + className;
-            }
-            return className;
-        }
-        getClass(key) {
-            return this.classes[key] || '';
-        }
-        getIconClass(buttonName, isRtl) {
-            let className;
-            if (isRtl && this.rtlIconClasses) {
-                className = this.rtlIconClasses[buttonName] || this.iconClasses[buttonName];
-            }
-            else {
-                className = this.iconClasses[buttonName];
-            }
-            if (className) {
-                return `${this.baseIconClass} ${className}`;
-            }
-            return '';
-        }
-        getCustomButtonIconClass(customButtonProps) {
-            let className;
-            if (this.iconOverrideCustomButtonOption) {
-                className = customButtonProps[this.iconOverrideCustomButtonOption];
-                if (className) {
-                    return `${this.baseIconClass} ${this.applyIconOverridePrefix(className)}`;
-                }
-            }
-            return '';
-        }
-    }
-    Theme.prototype.classes = {};
-    Theme.prototype.iconClasses = {};
-    Theme.prototype.baseIconClass = '';
-    Theme.prototype.iconOverridePrefix = '';
-
-    /*
-    NOTE: this can be a public API, especially createElement for hooks.
-    See examples/typescript-scheduler/src/index.ts
-    */
-    function flushSync(runBeforeFlush) {
-        runBeforeFlush();
-        let oldDebounceRendering = l$1.debounceRendering; // orig
-        let callbackQ = [];
-        function execCallbackSync(callback) {
-            callbackQ.push(callback);
-        }
-        l$1.debounceRendering = execCallbackSync;
-        D$1(y(FakeComponent, {}), document.createElement('div'));
-        while (callbackQ.length) {
-            callbackQ.shift()();
-        }
-        l$1.debounceRendering = oldDebounceRendering;
-    }
-    class FakeComponent extends x$1 {
-        render() { return y('div', {}); }
-        componentDidMount() { this.setState({}); }
-    }
-    // TODO: use preact/compat instead?
-    function createContext(defaultValue) {
-        let ContextType = G$1(defaultValue);
-        let origProvider = ContextType.Provider;
-        ContextType.Provider = function () {
-            let isNew = !this.getChildContext;
-            let children = origProvider.apply(this, arguments); // eslint-disable-line prefer-rest-params
-            if (isNew) {
-                let subs = [];
-                this.shouldComponentUpdate = (_props) => {
-                    if (this.props.value !== _props.value) {
-                        subs.forEach((c) => {
-                            c.context = _props.value;
-                            c.forceUpdate();
-                        });
-                    }
-                };
-                this.sub = (c) => {
-                    subs.push(c);
-                    let old = c.componentWillUnmount;
-                    c.componentWillUnmount = () => {
-                        subs.splice(subs.indexOf(c), 1);
-                        old && old.call(c);
-                    };
-                };
-            }
-            return children;
-        };
-        return ContextType;
-    }
-
-    class ScrollResponder {
-        constructor(execFunc, emitter, scrollTime, scrollTimeReset) {
-            this.execFunc = execFunc;
-            this.emitter = emitter;
-            this.scrollTime = scrollTime;
-            this.scrollTimeReset = scrollTimeReset;
-            this.handleScrollRequest = (request) => {
-                this.queuedRequest = Object.assign({}, this.queuedRequest || {}, request);
-                this.drain();
-            };
-            emitter.on('_scrollRequest', this.handleScrollRequest);
-            this.fireInitialScroll();
-        }
-        detach() {
-            this.emitter.off('_scrollRequest', this.handleScrollRequest);
-        }
-        update(isDatesNew) {
-            if (isDatesNew && this.scrollTimeReset) {
-                this.fireInitialScroll(); // will drain
-            }
-            else {
-                this.drain();
-            }
-        }
-        fireInitialScroll() {
-            this.handleScrollRequest({
-                time: this.scrollTime,
-            });
-        }
-        drain() {
-            if (this.queuedRequest && this.execFunc(this.queuedRequest)) {
-                this.queuedRequest = null;
-            }
-        }
-    }
-
-    const ViewContextType = createContext({}); // for Components
-    function buildViewContext(viewSpec, viewApi, viewOptions, dateProfileGenerator, dateEnv, nowManager, theme, pluginHooks, dispatch, getCurrentData, emitter, calendarApi, registerInteractiveComponent, unregisterInteractiveComponent) {
-        return {
-            dateEnv,
-            nowManager,
-            options: viewOptions,
-            pluginHooks,
-            emitter,
-            dispatch,
-            getCurrentData,
-            calendarApi,
-            viewSpec,
-            viewApi,
-            dateProfileGenerator,
-            theme,
-            isRtl: viewOptions.direction === 'rtl',
-            addResizeHandler(handler) {
-                emitter.on('_resize', handler);
-            },
-            removeResizeHandler(handler) {
-                emitter.off('_resize', handler);
-            },
-            createScrollResponder(execFunc) {
-                return new ScrollResponder(execFunc, emitter, createDuration(viewOptions.scrollTime), viewOptions.scrollTimeReset);
-            },
-            registerInteractiveComponent,
-            unregisterInteractiveComponent,
-        };
-    }
-
-    /* eslint max-classes-per-file: off */
-    class PureComponent extends x$1 {
-        shouldComponentUpdate(nextProps, nextState) {
-            if (this.debug) {
-                // eslint-disable-next-line no-console
-                console.log(getUnequalProps(nextProps, this.props), getUnequalProps(nextState, this.state));
-            }
-            return !compareObjs(this.props, nextProps, this.propEquality) ||
-                !compareObjs(this.state, nextState, this.stateEquality);
-        }
-        // HACK for freakin' React StrictMode
-        safeSetState(newState) {
-            if (!compareObjs(this.state, Object.assign(Object.assign({}, this.state), newState), this.stateEquality)) {
-                this.setState(newState);
-            }
-        }
-    }
-    PureComponent.addPropsEquality = addPropsEquality;
-    PureComponent.addStateEquality = addStateEquality;
-    PureComponent.contextType = ViewContextType;
-    PureComponent.prototype.propEquality = {};
-    PureComponent.prototype.stateEquality = {};
-    class BaseComponent extends PureComponent {
-    }
-    BaseComponent.contextType = ViewContextType;
-    function addPropsEquality(propEquality) {
-        let hash = Object.create(this.prototype.propEquality);
-        Object.assign(hash, propEquality);
-        this.prototype.propEquality = hash;
-    }
-    function addStateEquality(stateEquality) {
-        let hash = Object.create(this.prototype.stateEquality);
-        Object.assign(hash, stateEquality);
-        this.prototype.stateEquality = hash;
-    }
-    // use other one
-    function setRef(ref, current) {
-        if (typeof ref === 'function') {
-            ref(current);
-        }
-        else if (ref) {
-            // see https://github.com/facebook/react/issues/13029
-            ref.current = current;
-        }
-    }
-
-    class ContentInjector extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.id = guid();
-            this.queuedDomNodes = [];
-            this.currentDomNodes = [];
-            this.handleEl = (el) => {
-                const { options } = this.context;
-                const { generatorName } = this.props;
-                if (!options.customRenderingReplaces || !hasCustomRenderingHandler(generatorName, options)) {
-                    this.updateElRef(el);
-                }
-            };
-            this.updateElRef = (el) => {
-                if (this.props.elRef) {
-                    setRef(this.props.elRef, el);
-                }
-            };
-        }
-        render() {
-            const { props, context } = this;
-            const { options } = context;
-            const { customGenerator, defaultGenerator, renderProps } = props;
-            const attrs = buildElAttrs(props, [], this.handleEl);
-            let useDefault = false;
-            let innerContent;
-            let queuedDomNodes = [];
-            let currentGeneratorMeta;
-            if (customGenerator != null) {
-                const customGeneratorRes = typeof customGenerator === 'function' ?
-                    customGenerator(renderProps, y) :
-                    customGenerator;
-                if (customGeneratorRes === true) {
-                    useDefault = true;
-                }
-                else {
-                    const isObject = customGeneratorRes && typeof customGeneratorRes === 'object'; // non-null
-                    if (isObject && ('html' in customGeneratorRes)) {
-                        attrs.dangerouslySetInnerHTML = { __html: customGeneratorRes.html };
-                    }
-                    else if (isObject && ('domNodes' in customGeneratorRes)) {
-                        queuedDomNodes = Array.prototype.slice.call(customGeneratorRes.domNodes);
-                    }
-                    else if (isObject
-                        ? i$1(customGeneratorRes) // vdom node
-                        : typeof customGeneratorRes !== 'function' // primitive value (like string or number)
-                    ) {
-                        // use in vdom
-                        innerContent = customGeneratorRes;
-                    }
-                    else {
-                        // an exotic object for handleCustomRendering
-                        currentGeneratorMeta = customGeneratorRes;
-                    }
-                }
-            }
-            else {
-                useDefault = !hasCustomRenderingHandler(props.generatorName, options);
-            }
-            if (useDefault && defaultGenerator) {
-                innerContent = defaultGenerator(renderProps);
-            }
-            this.queuedDomNodes = queuedDomNodes;
-            this.currentGeneratorMeta = currentGeneratorMeta;
-            return y(props.elTag, attrs, innerContent);
-        }
-        componentDidMount() {
-            this.applyQueueudDomNodes();
-            this.triggerCustomRendering(true);
-        }
-        componentDidUpdate() {
-            this.applyQueueudDomNodes();
-            this.triggerCustomRendering(true);
-        }
-        componentWillUnmount() {
-            this.triggerCustomRendering(false); // TODO: different API for removal?
-        }
-        triggerCustomRendering(isActive) {
-            var _a;
-            const { props, context } = this;
-            const { handleCustomRendering, customRenderingMetaMap } = context.options;
-            if (handleCustomRendering) {
-                const generatorMeta = (_a = this.currentGeneratorMeta) !== null && _a !== void 0 ? _a : customRenderingMetaMap === null || customRenderingMetaMap === void 0 ? void 0 : customRenderingMetaMap[props.generatorName];
-                if (generatorMeta) {
-                    handleCustomRendering(Object.assign(Object.assign({ id: this.id, isActive, containerEl: this.base, reportNewContainerEl: this.updateElRef, // front-end framework tells us about new container els
-                        generatorMeta }, props), { elClasses: (props.elClasses || []).filter(isTruthy) }));
-                }
-            }
-        }
-        applyQueueudDomNodes() {
-            const { queuedDomNodes, currentDomNodes } = this;
-            const el = this.base;
-            if (!isArraysEqual(queuedDomNodes, currentDomNodes)) {
-                currentDomNodes.forEach(removeElement);
-                for (let newNode of queuedDomNodes) {
-                    el.appendChild(newNode);
-                }
-                this.currentDomNodes = queuedDomNodes;
-            }
-        }
-    }
-    ContentInjector.addPropsEquality({
-        elClasses: isArraysEqual,
-        elStyle: isPropsEqual,
-        elAttrs: isNonHandlerPropsEqual,
-        renderProps: isPropsEqual,
-    });
-    // Util
-    /*
-    Does UI-framework provide custom way of rendering that does not use Preact VDOM
-    AND does the calendar's options define custom rendering?
-    AKA. Should we NOT render the default content?
-    */
-    function hasCustomRenderingHandler(generatorName, options) {
-        var _a;
-        return Boolean(options.handleCustomRendering &&
-            generatorName &&
-            ((_a = options.customRenderingMetaMap) === null || _a === void 0 ? void 0 : _a[generatorName]));
-    }
-    function buildElAttrs(props, extraClassNames, elRef) {
-        const attrs = Object.assign(Object.assign({}, props.elAttrs), { ref: elRef });
-        if (props.elClasses || extraClassNames) {
-            attrs.className = (props.elClasses || [])
-                .concat(extraClassNames || [])
-                .concat(attrs.className || [])
-                .filter(Boolean)
-                .join(' ');
-        }
-        if (props.elStyle) {
-            attrs.style = props.elStyle;
-        }
-        return attrs;
-    }
-    function isTruthy(val) {
-        return Boolean(val);
-    }
-
-    const RenderId = createContext(0);
-
-    class ContentContainer extends x$1 {
-        constructor() {
-            super(...arguments);
-            this.InnerContent = InnerContentInjector.bind(undefined, this);
-            this.handleEl = (el) => {
-                this.el = el;
-                if (this.props.elRef) {
-                    setRef(this.props.elRef, el);
-                    if (el && this.didMountMisfire) {
-                        this.componentDidMount();
-                    }
-                }
-            };
-        }
-        render() {
-            const { props } = this;
-            const generatedClassNames = generateClassNames(props.classNameGenerator, props.renderProps);
-            if (props.children) {
-                const elAttrs = buildElAttrs(props, generatedClassNames, this.handleEl);
-                const children = props.children(this.InnerContent, props.renderProps, elAttrs);
-                if (props.elTag) {
-                    return y(props.elTag, elAttrs, children);
-                }
-                else {
-                    return children;
-                }
-            }
-            else {
-                return y((ContentInjector), Object.assign(Object.assign({}, props), { elRef: this.handleEl, elTag: props.elTag || 'div', elClasses: (props.elClasses || []).concat(generatedClassNames), renderId: this.context }));
-            }
-        }
-        componentDidMount() {
-            var _a, _b;
-            if (this.el) {
-                (_b = (_a = this.props).didMount) === null || _b === void 0 ? void 0 : _b.call(_a, Object.assign(Object.assign({}, this.props.renderProps), { el: this.el }));
-            }
-            else {
-                this.didMountMisfire = true;
-            }
-        }
-        componentWillUnmount() {
-            var _a, _b;
-            (_b = (_a = this.props).willUnmount) === null || _b === void 0 ? void 0 : _b.call(_a, Object.assign(Object.assign({}, this.props.renderProps), { el: this.el }));
-        }
-    }
-    ContentContainer.contextType = RenderId;
-    function InnerContentInjector(containerComponent, props) {
-        const parentProps = containerComponent.props;
-        return y((ContentInjector), Object.assign({ renderProps: parentProps.renderProps, generatorName: parentProps.generatorName, customGenerator: parentProps.customGenerator, defaultGenerator: parentProps.defaultGenerator, renderId: containerComponent.context }, props));
-    }
-    // Utils
-    function generateClassNames(classNameGenerator, renderProps) {
-        const classNames = typeof classNameGenerator === 'function' ?
-            classNameGenerator(renderProps) :
-            classNameGenerator || [];
-        return typeof classNames === 'string' ? [classNames] : classNames;
-    }
-
-    class ViewContainer extends BaseComponent {
-        render() {
-            let { props, context } = this;
-            let { options } = context;
-            let renderProps = { view: context.viewApi };
-            return (y(ContentContainer, Object.assign({}, props, { elTag: props.elTag || 'div', elClasses: [
-                    ...buildViewClassNames(props.viewSpec),
-                    ...(props.elClasses || []),
-                ], renderProps: renderProps, classNameGenerator: options.viewClassNames, generatorName: undefined, didMount: options.viewDidMount, willUnmount: options.viewWillUnmount }), () => props.children));
-        }
-    }
-    function buildViewClassNames(viewSpec) {
-        return [
-            `fc-${viewSpec.type}-view`,
-            'fc-view',
-        ];
-    }
-
-    function parseRange(input, dateEnv) {
-        let start = null;
-        let 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, end };
-    }
-    // SIDE-EFFECT: will mutate ranges.
-    // Will return a new array result.
-    function invertRanges(ranges, constraintRange) {
-        let invertedRanges = [];
-        let { start } = constraintRange; // the end of the previous range. the start of the new range
-        let i;
-        let dateRange;
-        // ranges need to be in order. required for our date-walking algorithm
-        ranges.sort(compareRanges);
-        for (i = 0; i < ranges.length; i += 1) {
-            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, 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, end: constraintRange.end });
-        }
-        return invertedRanges;
-    }
-    function compareRanges(range0, range1) {
-        return range0.start.valueOf() - range1.start.valueOf(); // earlier ranges go first
-    }
-    function intersectRanges(range0, range1) {
-        let { start, end } = range0;
-        let 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, 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;
-    }
-
-    /* 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) {
-        let dayCnt = Math.floor(diffDays(timedRange.start, timedRange.end)) || 1;
-        let start = startOfDay(timedRange.start);
-        let end = addDays(start, dayCnt);
-        return { start, 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 = createDuration(0)) {
-        let startDay = null;
-        let endDay = null;
-        if (timedRange.end) {
-            endDay = startOfDay(timedRange.end);
-            let 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) {
-        let 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');
-        }
-        if (largeUnit === 'month') {
-            return createDuration(dateEnv.diffWholeMonths(date0, date1), 'month');
-        }
-        return diffDayAndTime(date0, date1); // returns a duration
-    }
-
-    class DateProfileGenerator {
-        constructor(props) {
-            this.props = props;
-            this.initHiddenDays();
-        }
-        /* Date Range Computation
-        ------------------------------------------------------------------------------------------------------------------*/
-        // Builds a structure with info about what the dates/ranges will be for the "prev" view.
-        buildPrev(currentDateProfile, currentDate, forceToValid) {
-            let { dateEnv } = this.props;
-            let prevDate = dateEnv.subtract(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
-            currentDateProfile.dateIncrement);
-            return this.build(prevDate, -1, forceToValid);
-        }
-        // Builds a structure with info about what the dates/ranges will be for the "next" view.
-        buildNext(currentDateProfile, currentDate, forceToValid) {
-            let { dateEnv } = this.props;
-            let nextDate = dateEnv.add(dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
-            currentDateProfile.dateIncrement);
-            return this.build(nextDate, 1, forceToValid);
-        }
-        // Builds a structure holding dates/ranges for rendering around the given date.
-        // Optional direction param indicates whether the date is being incremented/decremented
-        // from its previous value. decremented = -1, incremented = 1 (default).
-        build(currentDate, direction, forceToValid = true) {
-            let { props } = this;
-            let validRange;
-            let currentInfo;
-            let isRangeAllDay;
-            let renderRange;
-            let activeRange;
-            let isValid;
-            validRange = this.buildValidRange();
-            validRange = this.trimHiddenDays(validRange);
-            if (forceToValid) {
-                currentDate = constrainMarkerToRange(currentDate, validRange);
-            }
-            currentInfo = this.buildCurrentRangeInfo(currentDate, direction);
-            isRangeAllDay = /^(year|month|week|day)$/.test(currentInfo.unit);
-            renderRange = this.buildRenderRange(this.trimHiddenDays(currentInfo.range), currentInfo.unit, isRangeAllDay);
-            renderRange = this.trimHiddenDays(renderRange);
-            activeRange = renderRange;
-            if (!props.showNonCurrentDates) {
-                activeRange = intersectRanges(activeRange, currentInfo.range);
-            }
-            activeRange = this.adjustActiveRange(activeRange);
-            activeRange = intersectRanges(activeRange, validRange); // might return null
-            // it's invalid if the originally requested date is not contained,
-            // or if the range is completely outside of the valid range.
-            isValid = rangesIntersect(currentInfo.range, validRange);
-            // HACK: constrain to render-range so `currentDate` is more useful to view rendering
-            if (!rangeContainsMarker(renderRange, currentDate)) {
-                currentDate = renderRange.start;
-            }
-            return {
-                currentDate,
-                // 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,
-                // 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,
-                // dates that display events and accept drag-n-drop
-                // will be `null` if no dates accept events
-                activeRange,
-                // date range with a rendered skeleton
-                // includes not-active days that need some sort of DOM
-                renderRange,
-                // Duration object that denotes the first visible time of any given day
-                slotMinTime: props.slotMinTime,
-                // Duration object that denotes the exclusive visible end time of any given day
-                slotMaxTime: props.slotMaxTime,
-                isValid,
-                // 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.
-        buildValidRange() {
-            let input = this.props.validRangeInput;
-            let simpleInput = typeof input === 'function'
-                ? input.call(this.props.calendarApi, this.props.dateEnv.toDate(this.props.nowManager.getDateMarker()))
-                : input;
-            return this.refineRange(simpleInput) ||
-                { start: null, end: null }; // completely open-ended
-        }
-        // Builds a structure with info about the "current" range, the range that is
-        // highlighted as being the current month for example.
-        // See build() for a description of `direction`.
-        // Guaranteed to have `range` and `unit` properties. `duration` is optional.
-        buildCurrentRangeInfo(date, direction) {
-            let { props } = this;
-            let duration = null;
-            let unit = null;
-            let range = null;
-            let dayCount;
-            if (props.duration) {
-                duration = props.duration;
-                unit = props.durationUnit;
-                range = this.buildRangeFromDuration(date, direction, duration, unit);
-            }
-            else if ((dayCount = this.props.dayCount)) {
-                unit = 'day';
-                range = this.buildRangeFromDayCount(date, direction, dayCount);
-            }
-            else if ((range = this.buildCustomVisibleRange(date))) {
-                unit = props.dateEnv.greatestWholeUnit(range.start, range.end).unit;
-            }
-            else {
-                duration = this.getFallbackDuration();
-                unit = greatestDurationDenominator(duration).unit;
-                range = this.buildRangeFromDuration(date, direction, duration, unit);
-            }
-            return { duration, unit, range };
-        }
-        getFallbackDuration() {
-            return createDuration({ day: 1 });
-        }
-        // Returns a new activeRange to have time values (un-ambiguate)
-        // slotMinTime or slotMaxTime causes the range to expand.
-        adjustActiveRange(range) {
-            let { dateEnv, usesMinMaxTime, slotMinTime, slotMaxTime } = this.props;
-            let { start, end } = range;
-            if (usesMinMaxTime) {
-                // expand active range if slotMinTime is negative (why not when positive?)
-                if (asRoughDays(slotMinTime) < 0) {
-                    start = startOfDay(start); // necessary?
-                    start = dateEnv.add(start, slotMinTime);
-                }
-                // expand active range if slotMaxTime is beyond one day (why not when negative?)
-                if (asRoughDays(slotMaxTime) > 1) {
-                    end = startOfDay(end); // necessary?
-                    end = addDays(end, -1);
-                    end = dateEnv.add(end, slotMaxTime);
-                }
-            }
-            return { start, end };
-        }
-        // Builds the "current" range when it is specified as an explicit duration.
-        // `unit` is the already-computed greatestDurationDenominator unit of duration.
-        buildRangeFromDuration(date, direction, duration, unit) {
-            let { dateEnv, dateAlignment } = this.props;
-            let start;
-            let end;
-            let res;
-            // compute what the alignment should be
-            if (!dateAlignment) {
-                let { dateIncrement } = this.props;
-                if (dateIncrement) {
-                    // use the smaller of the two units
-                    if (asRoughMs(dateIncrement) < asRoughMs(duration)) {
-                        dateAlignment = greatestDurationDenominator(dateIncrement).unit;
-                    }
-                    else {
-                        dateAlignment = unit;
-                    }
-                }
-                else {
-                    dateAlignment = unit;
-                }
-            }
-            // if the view displays a single day or smaller
-            if (asRoughDays(duration) <= 1) {
-                if (this.isHiddenDay(start)) {
-                    start = this.skipHiddenDays(start, direction);
-                    start = startOfDay(start);
-                }
-            }
-            function computeRes() {
-                start = dateEnv.startOf(date, dateAlignment);
-                end = dateEnv.add(start, duration);
-                res = { start, 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.
-        buildRangeFromDayCount(date, direction, dayCount) {
-            let { dateEnv, dateAlignment } = this.props;
-            let runningCount = 0;
-            let start = date;
-            let end;
-            if (dateAlignment) {
-                start = dateEnv.startOf(start, dateAlignment);
-            }
-            start = startOfDay(start);
-            start = this.skipHiddenDays(start, direction);
-            end = start;
-            do {
-                end = addDays(end, 1);
-                if (!this.isHiddenDay(end)) {
-                    runningCount += 1;
-                }
-            } while (runningCount < dayCount);
-            return { start, end };
-        }
-        // Builds a normalized range object for the "visible" range,
-        // which is a way to define the currentRange and activeRange at the same time.
-        buildCustomVisibleRange(date) {
-            let { props } = this;
-            let input = props.visibleRangeInput;
-            let simpleInput = typeof input === 'function'
-                ? input.call(props.calendarApi, props.dateEnv.toDate(date))
-                : input;
-            let range = this.refineRange(simpleInput);
-            if (range && (range.start == null || range.end == null)) {
-                return null;
-            }
-            return range;
-        }
-        // Computes the range that will represent the element/cells for *rendering*,
-        // but which may have voided days/times.
-        // not responsible for trimming hidden days.
-        buildRenderRange(currentRange, currentRangeUnit, isRangeAllDay) {
-            return currentRange;
-        }
-        // Compute the duration value that should be added/substracted to the current date
-        // when a prev/next operation happens.
-        buildDateIncrement(fallback) {
-            let { dateIncrement } = this.props;
-            let customAlignment;
-            if (dateIncrement) {
-                return dateIncrement;
-            }
-            if ((customAlignment = this.props.dateAlignment)) {
-                return createDuration(1, customAlignment);
-            }
-            if (fallback) {
-                return fallback;
-            }
-            return createDuration({ days: 1 });
-        }
-        refineRange(rangeInput) {
-            if (rangeInput) {
-                let range = parseRange(rangeInput, this.props.dateEnv);
-                if (range) {
-                    range = computeVisibleDayRange(range);
-                }
-                return range;
-            }
-            return null;
-        }
-        /* Hidden Days
-        ------------------------------------------------------------------------------------------------------------------*/
-        // Initializes internal variables related to calculating hidden days-of-week
-        initHiddenDays() {
-            let hiddenDays = this.props.hiddenDays || []; // array of day-of-week indices that are hidden
-            let isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool)
-            let dayCnt = 0;
-            let i;
-            if (this.props.weekends === false) {
-                hiddenDays.push(0, 6); // 0=sunday, 6=saturday
-            }
-            for (i = 0; i < 7; i += 1) {
-                if (!(isHiddenDayHash[i] = hiddenDays.indexOf(i) !== -1)) {
-                    dayCnt += 1;
-                }
-            }
-            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
-        trimHiddenDays(range) {
-            let { start, end } = range;
-            if (start) {
-                start = this.skipHiddenDays(start);
-            }
-            if (end) {
-                end = this.skipHiddenDays(end, -1, true);
-            }
-            if (start == null || end == null || start < end) {
-                return { start, end };
-            }
-            return null;
-        }
-        // Is the current day hidden?
-        // `day` is a day-of-week index (0-6), or a Date (used for UTC)
-        isHiddenDay(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)
-        skipHiddenDays(date, inc = 1, isExclusive = false) {
-            while (this.isHiddenDayHash[(date.getUTCDay() + (isExclusive ? inc : 0) + 7) % 7]) {
-                date = addDays(date, inc);
-            }
-            return date;
-        }
-    }
-
-    function createEventInstance(defId, range, forcedStartTzo, forcedEndTzo) {
-        return {
-            instanceId: guid(),
-            defId,
-            range,
-            forcedStartTzo: forcedStartTzo == null ? null : forcedStartTzo,
-            forcedEndTzo: forcedEndTzo == null ? null : forcedEndTzo,
-        };
-    }
-
-    function parseRecurring(refined, defaultAllDay, dateEnv, recurringTypes) {
-        for (let i = 0; i < recurringTypes.length; i += 1) {
-            let parsed = recurringTypes[i].parse(refined, dateEnv);
-            if (parsed) {
-                let { allDay } = refined;
-                if (allDay == null) {
-                    allDay = defaultAllDay;
-                    if (allDay == null) {
-                        allDay = parsed.allDayGuess;
-                        if (allDay == null) {
-                            allDay = false;
-                        }
-                    }
-                }
-                return {
-                    allDay,
-                    duration: parsed.duration,
-                    typeData: parsed.typeData,
-                    typeId: i,
-                };
-            }
-        }
-        return null;
-    }
-    function expandRecurring(eventStore, framingRange, context) {
-        let { dateEnv, pluginHooks, options } = context;
-        let { defs, instances } = eventStore;
-        // remove existing recurring instances
-        // TODO: bad. always expand events as a second step
-        instances = filterHash(instances, (instance) => !defs[instance.defId].recurringDef);
-        for (let defId in defs) {
-            let def = defs[defId];
-            if (def.recurringDef) {
-                let { duration } = def.recurringDef;
-                if (!duration) {
-                    duration = def.allDay ?
-                        options.defaultAllDayEventDuration :
-                        options.defaultTimedEventDuration;
-                }
-                let starts = expandRecurringRanges(def, duration, framingRange, dateEnv, pluginHooks.recurringTypes);
-                for (let start of starts) {
-                    let instance = createEventInstance(defId, {
-                        start,
-                        end: dateEnv.add(start, duration),
-                    });
-                    instances[instance.instanceId] = instance;
-                }
-            }
-        }
-        return { defs, instances };
-    }
-    /*
-    Event MUST have a recurringDef
-    */
-    function expandRecurringRanges(eventDef, duration, framingRange, dateEnv, recurringTypes) {
-        let typeDef = recurringTypes[eventDef.recurringDef.typeId];
-        let 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;
-    }
-
-    const EVENT_NON_DATE_REFINERS = {
-        id: String,
-        groupId: String,
-        title: String,
-        url: String,
-        interactive: Boolean,
-    };
-    const EVENT_DATE_REFINERS = {
-        start: identity,
-        end: identity,
-        date: identity,
-        allDay: Boolean,
-    };
-    const EVENT_REFINERS = Object.assign(Object.assign(Object.assign({}, EVENT_NON_DATE_REFINERS), EVENT_DATE_REFINERS), { extendedProps: identity });
-    function parseEvent(raw, eventSource, context, allowOpenRange, refiners = buildEventRefiners(context), defIdMap, instanceIdMap) {
-        let { refined, extra } = refineEventDef(raw, context, refiners);
-        let defaultAllDay = computeIsDefaultAllDay(eventSource, context);
-        let recurringRes = parseRecurring(refined, defaultAllDay, context.dateEnv, context.pluginHooks.recurringTypes);
-        if (recurringRes) {
-            let def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', recurringRes.allDay, Boolean(recurringRes.duration), context, defIdMap);
-            def.recurringDef = {
-                typeId: recurringRes.typeId,
-                typeData: recurringRes.typeData,
-                duration: recurringRes.duration,
-            };
-            return { def, instance: null };
-        }
-        let singleRes = parseSingle(refined, defaultAllDay, context, allowOpenRange);
-        if (singleRes) {
-            let def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', singleRes.allDay, singleRes.hasEnd, context, defIdMap);
-            let instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo);
-            if (instanceIdMap && def.publicId && instanceIdMap[def.publicId]) {
-                instance.instanceId = instanceIdMap[def.publicId];
-            }
-            return { def, instance };
-        }
-        return null;
-    }
-    function refineEventDef(raw, context, refiners = buildEventRefiners(context)) {
-        return refineProps(raw, refiners);
-    }
-    function buildEventRefiners(context) {
-        return Object.assign(Object.assign(Object.assign({}, EVENT_UI_REFINERS), EVENT_REFINERS), context.pluginHooks.eventRefiners);
-    }
-    /*
-    Will NOT populate extendedProps with the leftover properties.
-    Will NOT populate date-related props.
-    */
-    function parseEventDef(refined, extra, sourceId, allDay, hasEnd, context, defIdMap) {
-        let def = {
-            title: refined.title || '',
-            groupId: refined.groupId || '',
-            publicId: refined.id || '',
-            url: refined.url || '',
-            recurringDef: null,
-            defId: ((defIdMap && refined.id) ? defIdMap[refined.id] : '') || guid(),
-            sourceId,
-            allDay,
-            hasEnd,
-            interactive: refined.interactive,
-            ui: createEventUi(refined, context),
-            extendedProps: Object.assign(Object.assign({}, (refined.extendedProps || {})), extra),
-        };
-        for (let memberAdder of context.pluginHooks.eventDefMemberAdders) {
-            Object.assign(def, memberAdder(refined));
-        }
-        // help out EventImpl from having user modify props
-        Object.freeze(def.ui.classNames);
-        Object.freeze(def.extendedProps);
-        return def;
-    }
-    function parseSingle(refined, defaultAllDay, context, allowOpenRange) {
-        let { allDay } = refined;
-        let startMeta;
-        let startMarker = null;
-        let hasEnd = false;
-        let endMeta;
-        let endMarker = null;
-        let startInput = refined.start != null ? refined.start : refined.date;
-        startMeta = context.dateEnv.createMarkerMeta(startInput);
-        if (startMeta) {
-            startMarker = startMeta.marker;
-        }
-        else if (!allowOpenRange) {
-            return null;
-        }
-        if (refined.end != null) {
-            endMeta = context.dateEnv.createMarkerMeta(refined.end);
-        }
-        if (allDay == null) {
-            if (defaultAllDay != null) {
-                allDay = defaultAllDay;
-            }
-            else {
-                // fall back to the date props LAST
-                allDay = (!startMeta || startMeta.isTimeUnspecified) &&
-                    (!endMeta || endMeta.isTimeUnspecified);
-            }
-        }
-        if (allDay && startMarker) {
-            startMarker = startOfDay(startMarker);
-        }
-        if (endMeta) {
-            endMarker = endMeta.marker;
-            if (allDay) {
-                endMarker = startOfDay(endMarker);
-            }
-            if (startMarker && endMarker <= startMarker) {
-                endMarker = null;
-            }
-        }
-        if (endMarker) {
-            hasEnd = true;
-        }
-        else if (!allowOpenRange) {
-            hasEnd = context.options.forceEventDuration || false;
-            endMarker = context.dateEnv.add(startMarker, allDay ?
-                context.options.defaultAllDayEventDuration :
-                context.options.defaultTimedEventDuration);
-        }
-        return {
-            allDay,
-            hasEnd,
-            range: { start: startMarker, end: endMarker },
-            forcedStartTzo: startMeta ? startMeta.forcedTzo : null,
-            forcedEndTzo: endMeta ? endMeta.forcedTzo : null,
-        };
-    }
-    function computeIsDefaultAllDay(eventSource, context) {
-        let res = null;
-        if (eventSource) {
-            res = eventSource.defaultAllDay;
-        }
-        if (res == null) {
-            res = context.options.defaultAllDay;
-        }
-        return res;
-    }
-
-    function parseEvents(rawEvents, eventSource, context, allowOpenRange, defIdMap, instanceIdMap) {
-        let eventStore = createEmptyEventStore();
-        let eventRefiners = buildEventRefiners(context);
-        for (let rawEvent of rawEvents) {
-            let tuple = parseEvent(rawEvent, eventSource, context, allowOpenRange, eventRefiners, defIdMap, instanceIdMap);
-            if (tuple) {
-                eventTupleToStore(tuple, eventStore);
-            }
-        }
-        return eventStore;
-    }
-    function eventTupleToStore(tuple, eventStore = createEmptyEventStore()) {
-        eventStore.defs[tuple.def.defId] = tuple.def;
-        if (tuple.instance) {
-            eventStore.instances[tuple.instance.instanceId] = tuple.instance;
-        }
-        return eventStore;
-    }
-    // retrieves events that have the same groupId as the instance specified by `instanceId`
-    // or they are the same as the instance.
-    // why might instanceId not be in the store? an event from another calendar?
-    function getRelevantEvents(eventStore, instanceId) {
-        let instance = eventStore.instances[instanceId];
-        if (instance) {
-            let def = eventStore.defs[instance.defId];
-            // get events/instances with same group
-            let newStore = filterEventStoreDefs(eventStore, (lookDef) => isEventDefsGrouped(def, lookDef));
-            // add the original
-            // TODO: wish we could use eventTupleToStore or something like it
-            newStore.defs[def.defId] = def;
-            newStore.instances[instance.instanceId] = instance;
-            return newStore;
-        }
-        return createEmptyEventStore();
-    }
-    function isEventDefsGrouped(def0, def1) {
-        return Boolean(def0.groupId && def0.groupId === def1.groupId);
-    }
-    function createEmptyEventStore() {
-        return { defs: {}, instances: {} };
-    }
-    function mergeEventStores(store0, store1) {
-        return {
-            defs: Object.assign(Object.assign({}, store0.defs), store1.defs),
-            instances: Object.assign(Object.assign({}, store0.instances), store1.instances),
-        };
-    }
-    function filterEventStoreDefs(eventStore, filterFunc) {
-        let defs = filterHash(eventStore.defs, filterFunc);
-        let instances = filterHash(eventStore.instances, (instance) => (defs[instance.defId] // still exists?
-        ));
-        return { defs, instances };
-    }
-    function excludeSubEventStore(master, sub) {
-        let { defs, instances } = master;
-        let filteredDefs = {};
-        let filteredInstances = {};
-        for (let defId in defs) {
-            if (!sub.defs[defId]) { // not explicitly excluded
-                filteredDefs[defId] = defs[defId];
-            }
-        }
-        for (let instanceId in instances) {
-            if (!sub.instances[instanceId] && // not explicitly excluded
-                filteredDefs[instances[instanceId].defId] // def wasn't filtered away
-            ) {
-                filteredInstances[instanceId] = instances[instanceId];
-            }
-        }
-        return {
-            defs: filteredDefs,
-            instances: filteredInstances,
-        };
-    }
-
-    function normalizeConstraint(input, context) {
-        if (Array.isArray(input)) {
-            return parseEvents(input, null, context, true); // allowOpenRange=true
-        }
-        if (typeof input === 'object' && input) { // non-null object
-            return parseEvents([input], null, context, true); // allowOpenRange=true
-        }
-        if (input != null) {
-            return String(input);
-        }
-        return null;
-    }
-
-    function parseClassNames(raw) {
-        if (Array.isArray(raw)) {
-            return raw;
-        }
-        if (typeof raw === 'string') {
-            return raw.split(/\s+/);
-        }
-        return [];
-    }
-
-    // TODO: better called "EventSettings" or "EventConfig"
-    // TODO: move this file into structs
-    // TODO: separate constraint/overlap/allow, because selection uses only that, not other props
-    const EVENT_UI_REFINERS = {
-        display: String,
-        editable: Boolean,
-        startEditable: Boolean,
-        durationEditable: Boolean,
-        constraint: identity,
-        overlap: identity,
-        allow: identity,
-        className: parseClassNames,
-        classNames: parseClassNames,
-        color: String,
-        backgroundColor: String,
-        borderColor: String,
-        textColor: String,
-    };
-    const EMPTY_EVENT_UI = {
-        display: null,
-        startEditable: null,
-        durationEditable: null,
-        constraints: [],
-        overlap: null,
-        allows: [],
-        backgroundColor: '',
-        borderColor: '',
-        textColor: '',
-        classNames: [],
-    };
-    function createEventUi(refined, context) {
-        let constraint = normalizeConstraint(refined.constraint, context);
-        return {
-            display: refined.display || null,
-            startEditable: refined.startEditable != null ? refined.startEditable : refined.editable,
-            durationEditable: refined.durationEditable != null ? refined.durationEditable : refined.editable,
-            constraints: constraint != null ? [constraint] : [],
-            overlap: refined.overlap != null ? refined.overlap : null,
-            allows: refined.allow != null ? [refined.allow] : [],
-            backgroundColor: refined.backgroundColor || refined.color || '',
-            borderColor: refined.borderColor || refined.color || '',
-            textColor: refined.textColor || '',
-            classNames: (refined.className || []).concat(refined.classNames || []), // join singular and plural
-        };
-    }
-    // TODO: prevent against problems with <2 args!
-    function combineEventUis(uis) {
-        return uis.reduce(combineTwoEventUis, EMPTY_EVENT_UI);
-    }
-    function combineTwoEventUis(item0, item1) {
-        return {
-            display: item1.display != null ? item1.display : item0.display,
-            startEditable: item1.startEditable != null ? item1.startEditable : item0.startEditable,
-            durationEditable: item1.durationEditable != null ? item1.durationEditable : item0.durationEditable,
-            constraints: item0.constraints.concat(item1.constraints),
-            overlap: typeof item1.overlap === 'boolean' ? item1.overlap : item0.overlap,
-            allows: item0.allows.concat(item1.allows),
-            backgroundColor: item1.backgroundColor || item0.backgroundColor,
-            borderColor: item1.borderColor || item0.borderColor,
-            textColor: item1.textColor || item0.textColor,
-            classNames: item0.classNames.concat(item1.classNames),
-        };
-    }
-
-    const EVENT_SOURCE_REFINERS = {
-        id: String,
-        defaultAllDay: Boolean,
-        url: String,
-        format: String,
-        events: identity,
-        eventDataTransform: identity,
-        // for any network-related sources
-        success: identity,
-        failure: identity,
-    };
-    function parseEventSource(raw, context, refiners = buildEventSourceRefiners(context)) {
-        let rawObj;
-        if (typeof raw === 'string') {
-            rawObj = { url: raw };
-        }
-        else if (typeof raw === 'function' || Array.isArray(raw)) {
-            rawObj = { events: raw };
-        }
-        else if (typeof raw === 'object' && raw) { // not null
-            rawObj = raw;
-        }
-        if (rawObj) {
-            let { refined, extra } = refineProps(rawObj, refiners);
-            let metaRes = buildEventSourceMeta(refined, context);
-            if (metaRes) {
-                return {
-                    _raw: raw,
-                    isFetching: false,
-                    latestFetchId: '',
-                    fetchRange: null,
-                    defaultAllDay: refined.defaultAllDay,
-                    eventDataTransform: refined.eventDataTransform,
-                    success: refined.success,
-                    failure: refined.failure,
-                    publicId: refined.id || '',
-                    sourceId: guid(),
-                    sourceDefId: metaRes.sourceDefId,
-                    meta: metaRes.meta,
-                    ui: createEventUi(refined, context),
-                    extendedProps: extra,
-                };
-            }
-        }
-        return null;
-    }
-    function buildEventSourceRefiners(context) {
-        return Object.assign(Object.assign(Object.assign({}, EVENT_UI_REFINERS), EVENT_SOURCE_REFINERS), context.pluginHooks.eventSourceRefiners);
-    }
-    function buildEventSourceMeta(raw, context) {
-        let defs = context.pluginHooks.eventSourceDefs;
-        for (let i = defs.length - 1; i >= 0; i -= 1) { // later-added plugins take precedence
-            let def = defs[i];
-            let meta = def.parseMeta(raw);
-            if (meta) {
-                return { sourceDefId: i, meta };
-            }
-        }
-        return null;
-    }
-
-    function reduceEventStore(eventStore, action, eventSources, dateProfile, context) {
-        switch (action.type) {
-            case 'RECEIVE_EVENTS': // raw
-                return receiveRawEvents(eventStore, eventSources[action.sourceId], action.fetchId, action.fetchRange, action.rawEvents, context);
-            case 'RESET_RAW_EVENTS':
-                return resetRawEvents(eventStore, eventSources[action.sourceId], action.rawEvents, dateProfile.activeRange, context);
-            case 'ADD_EVENTS': // already parsed, but not expanded
-                return addEvent(eventStore, action.eventStore, // new ones
-                dateProfile ? dateProfile.activeRange : null, context);
-            case 'RESET_EVENTS':
-                return action.eventStore;
-            case 'MERGE_EVENTS': // already parsed and expanded
-                return mergeEventStores(eventStore, action.eventStore);
-            case 'PREV': // TODO: how do we track all actions that affect dateProfile :(
-            case 'NEXT':
-            case 'CHANGE_DATE':
-            case 'CHANGE_VIEW_TYPE':
-                if (dateProfile) {
-                    return expandRecurring(eventStore, dateProfile.activeRange, context);
-                }
-                return eventStore;
-            case 'REMOVE_EVENTS':
-                return excludeSubEventStore(eventStore, action.eventStore);
-            case 'REMOVE_EVENT_SOURCE':
-                return excludeEventsBySourceId(eventStore, action.sourceId);
-            case 'REMOVE_ALL_EVENT_SOURCES':
-                return filterEventStoreDefs(eventStore, (eventDef) => (!eventDef.sourceId // only keep events with no source id
-                ));
-            case 'REMOVE_ALL_EVENTS':
-                return createEmptyEventStore();
-            default:
-                return eventStore;
-        }
-    }
-    function receiveRawEvents(eventStore, eventSource, fetchId, fetchRange, rawEvents, context) {
-        if (eventSource && // not already removed
-            fetchId === eventSource.latestFetchId // TODO: wish this logic was always in event-sources
-        ) {
-            let subset = parseEvents(transformRawEvents(rawEvents, eventSource, context), eventSource, context);
-            if (fetchRange) {
-                subset = expandRecurring(subset, fetchRange, context);
-            }
-            return mergeEventStores(excludeEventsBySourceId(eventStore, eventSource.sourceId), subset);
-        }
-        return eventStore;
-    }
-    function resetRawEvents(existingEventStore, eventSource, rawEvents, activeRange, context) {
-        const { defIdMap, instanceIdMap } = buildPublicIdMaps(existingEventStore);
-        let newEventStore = parseEvents(transformRawEvents(rawEvents, eventSource, context), eventSource, context, false, defIdMap, instanceIdMap);
-        return expandRecurring(newEventStore, activeRange, context);
-    }
-    function transformRawEvents(rawEvents, eventSource, context) {
-        let calEachTransform = context.options.eventDataTransform;
-        let sourceEachTransform = eventSource ? eventSource.eventDataTransform : null;
-        if (sourceEachTransform) {
-            rawEvents = transformEachRawEvent(rawEvents, sourceEachTransform);
-        }
-        if (calEachTransform) {
-            rawEvents = transformEachRawEvent(rawEvents, calEachTransform);
-        }
-        return rawEvents;
-    }
-    function transformEachRawEvent(rawEvents, func) {
-        let refinedEvents;
-        if (!func) {
-            refinedEvents = rawEvents;
-        }
-        else {
-            refinedEvents = [];
-            for (let rawEvent of rawEvents) {
-                let refinedEvent = func(rawEvent);
-                if (refinedEvent) {
-                    refinedEvents.push(refinedEvent);
-                }
-                else if (refinedEvent == null) {
-                    refinedEvents.push(rawEvent);
-                } // if a different falsy value, do nothing
-            }
-        }
-        return refinedEvents;
-    }
-    function addEvent(eventStore, subset, expandRange, context) {
-        if (expandRange) {
-            subset = expandRecurring(subset, expandRange, context);
-        }
-        return mergeEventStores(eventStore, subset);
-    }
-    function rezoneEventStoreDates(eventStore, oldDateEnv, newDateEnv) {
-        let { defs } = eventStore;
-        let instances = mapHash(eventStore.instances, (instance) => {
-            let def = defs[instance.defId];
-            if (def.allDay) {
-                return instance; // isn't dependent on timezone
-            }
-            return Object.assign(Object.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, instances };
-    }
-    function excludeEventsBySourceId(eventStore, sourceId) {
-        return filterEventStoreDefs(eventStore, (eventDef) => 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, (instance) => !removals[instance.instanceId]),
-        };
-    }
-    function buildPublicIdMaps(eventStore) {
-        const { defs, instances } = eventStore;
-        const defIdMap = {};
-        const instanceIdMap = {};
-        for (let defId in defs) {
-            const def = defs[defId];
-            const { publicId } = def;
-            if (publicId) {
-                defIdMap[publicId] = defId;
-            }
-        }
-        for (let instanceId in instances) {
-            const instance = instances[instanceId];
-            const def = defs[instance.defId];
-            const { publicId } = def;
-            if (publicId) {
-                instanceIdMap[publicId] = instanceId;
-            }
-        }
-        return { defIdMap, instanceIdMap };
-    }
-
-    class Emitter {
-        constructor() {
-            this.handlers = {};
-            this.thisContext = null;
-        }
-        setThisContext(thisContext) {
-            this.thisContext = thisContext;
-        }
-        setOptions(options) {
-            this.options = options;
-        }
-        on(type, handler) {
-            addToHash(this.handlers, type, handler);
-        }
-        off(type, handler) {
-            removeFromHash(this.handlers, type, handler);
-        }
-        trigger(type, ...args) {
-            let attachedHandlers = this.handlers[type] || [];
-            let optionHandler = this.options && this.options[type];
-            let handlers = [].concat(optionHandler || [], attachedHandlers);
-            for (let handler of handlers) {
-                handler.apply(this.thisContext, args);
-            }
-        }
-        hasHandlers(type) {
-            return Boolean((this.handlers[type] && this.handlers[type].length) ||
-                (this.options && this.options[type]));
-        }
-    }
-    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((func) => func !== handler);
-            }
-        }
-        else {
-            delete hash[type]; // remove all handler funcs for this type
-        }
-    }
-
-    const DEF_DEFAULTS = {
-        startTime: '09:00',
-        endTime: '17:00',
-        daysOfWeek: [1, 2, 3, 4, 5],
-        display: 'inverse-background',
-        classNames: 'fc-non-business',
-        groupId: '_businessHours', // so multiple defs get grouped
-    };
-    /*
-    TODO: pass around as EventDefHash!!!
-    */
-    function parseBusinessHours(input, context) {
-        return parseEvents(refineInputs(input), null, context);
-    }
-    function refineInputs(input) {
-        let 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((rawDef) => rawDef.daysOfWeek);
-        }
-        else if (typeof input === 'object' && input) { // non-null object
-            rawDefs = [input];
-        }
-        else { // is probably false
-            rawDefs = [];
-        }
-        rawDefs = rawDefs.map((rawDef) => (Object.assign(Object.assign({}, DEF_DEFAULTS), rawDef)));
-        return rawDefs;
-    }
-
-    function triggerDateSelect(selection, pev, context) {
-        context.emitter.trigger('select', Object.assign(Object.assign({}, buildDateSpanApiWithContext(selection, context)), { jsEvent: pev ? pev.origEvent : null, view: context.viewApi || context.calendarApi.view }));
-    }
-    function triggerDateUnselect(pev, context) {
-        context.emitter.trigger('unselect', {
-            jsEvent: pev ? pev.origEvent : null,
-            view: context.viewApi || context.calendarApi.view,
-        });
-    }
-    function buildDateSpanApiWithContext(dateSpan, context) {
-        let props = {};
-        for (let transform of context.pluginHooks.dateSpanTransforms) {
-            Object.assign(props, transform(dateSpan, context));
-        }
-        Object.assign(props, buildDateSpanApi(dateSpan, context.dateEnv));
-        return props;
-    }
-    // Given an event's allDay status and start date, return what its fallback end date should be.
-    // TODO: rename to computeDefaultEventEnd
-    function getDefaultEventEnd(allDay, marker, context) {
-        let { dateEnv, options } = context;
-        let end = marker;
-        if (allDay) {
-            end = startOfDay(end);
-            end = dateEnv.add(end, options.defaultAllDayEventDuration);
-        }
-        else {
-            end = dateEnv.add(end, options.defaultTimedEventDuration);
-        }
-        return end;
-    }
-
-    // applies the mutation to ALL defs/instances within the event store
-    function applyMutationToEventStore(eventStore, eventConfigBase, mutation, context) {
-        let eventConfigs = compileEventUis(eventStore.defs, eventConfigBase);
-        let dest = createEmptyEventStore();
-        for (let defId in eventStore.defs) {
-            let def = eventStore.defs[defId];
-            dest.defs[defId] = applyMutationToEventDef(def, eventConfigs[defId], mutation, context);
-        }
-        for (let instanceId in eventStore.instances) {
-            let instance = eventStore.instances[instanceId];
-            let def = dest.defs[instance.defId]; // important to grab the newly modified def
-            dest.instances[instanceId] = applyMutationToEventInstance(instance, def, eventConfigs[instance.defId], mutation, context);
-        }
-        return dest;
-    }
-    function applyMutationToEventDef(eventDef, eventConfig, mutation, context) {
-        let 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?
-        }
-        let copy = Object.assign(Object.assign(Object.assign({}, eventDef), standardProps), { ui: Object.assign(Object.assign({}, eventDef.ui), standardProps.ui) });
-        if (mutation.extendedProps) {
-            copy.extendedProps = Object.assign(Object.assign({}, copy.extendedProps), mutation.extendedProps);
-        }
-        for (let applier of context.pluginHooks.eventDefMutationAppliers) {
-            applier(copy, mutation, context);
-        }
-        if (!copy.hasEnd && context.options.forceEventDuration) {
-            copy.hasEnd = true;
-        }
-        return copy;
-    }
-    function applyMutationToEventInstance(eventInstance, eventDef, // must first be modified by applyMutationToEventDef
-    eventConfig, mutation, context) {
-        let { dateEnv } = context;
-        let forceAllDay = mutation.standardProps && mutation.standardProps.allDay === true;
-        let clearEnd = mutation.standardProps && mutation.standardProps.hasEnd === false;
-        let copy = Object.assign({}, eventInstance);
-        if (forceAllDay) {
-            copy.range = computeAlignedDayRange(copy.range);
-        }
-        if (mutation.datesDelta && eventConfig.startEditable) {
-            copy.range = {
-                start: dateEnv.add(copy.range.start, mutation.datesDelta),
-                end: dateEnv.add(copy.range.end, mutation.datesDelta),
-            };
-        }
-        if (mutation.startDelta && eventConfig.durationEditable) {
-            copy.range = {
-                start: dateEnv.add(copy.range.start, mutation.startDelta),
-                end: copy.range.end,
-            };
-        }
-        if (mutation.endDelta && eventConfig.durationEditable) {
-            copy.range = {
-                start: copy.range.start,
-                end: dateEnv.add(copy.range.end, mutation.endDelta),
-            };
-        }
-        if (clearEnd) {
-            copy.range = {
-                start: copy.range.start,
-                end: getDefaultEventEnd(eventDef.allDay, copy.range.start, context),
-            };
-        }
-        // in case event was all-day but the supplied deltas were not
-        // better util for this?
-        if (eventDef.allDay) {
-            copy.range = {
-                start: startOfDay(copy.range.start),
-                end: startOfDay(copy.range.end),
-            };
-        }
-        // handle invalid durations
-        if (copy.range.end < copy.range.start) {
-            copy.range.end = getDefaultEventEnd(eventDef.allDay, copy.range.start, context);
-        }
-        return copy;
-    }
-
-    class EventSourceImpl {
-        constructor(context, internalEventSource) {
-            this.context = context;
-            this.internalEventSource = internalEventSource;
-        }
-        remove() {
-            this.context.dispatch({
-                type: 'REMOVE_EVENT_SOURCE',
-                sourceId: this.internalEventSource.sourceId,
-            });
-        }
-        refetch() {
-            this.context.dispatch({
-                type: 'FETCH_EVENT_SOURCES',
-                sourceIds: [this.internalEventSource.sourceId],
-                isRefetch: true,
-            });
-        }
-        get id() {
-            return this.internalEventSource.publicId;
-        }
-        get url() {
-            return this.internalEventSource.meta.url;
-        }
-        get format() {
-            return this.internalEventSource.meta.format; // TODO: bad. not guaranteed
-        }
-    }
-
-    class EventImpl {
-        // instance will be null if expressing a recurring event that has no current instances,
-        // OR if trying to validate an incoming external event that has no dates assigned
-        constructor(context, def, instance) {
-            this._context = context;
-            this._def = def;
-            this._instance = instance || null;
-        }
-        /*
-        TODO: make event struct more responsible for this
-        */
-        setProp(name, val) {
-            if (name in EVENT_DATE_REFINERS) {
-                console.warn('Could not set date-related prop \'name\'. Use one of the date-related methods instead.');
-                // TODO: make proper aliasing system?
-            }
-            else if (name === 'id') {
-                val = EVENT_NON_DATE_REFINERS[name](val);
-                this.mutate({
-                    standardProps: { publicId: val }, // hardcoded internal name
-                });
-            }
-            else if (name in EVENT_NON_DATE_REFINERS) {
-                val = EVENT_NON_DATE_REFINERS[name](val);
-                this.mutate({
-                    standardProps: { [name]: val },
-                });
-            }
-            else if (name in EVENT_UI_REFINERS) {
-                let ui = EVENT_UI_REFINERS[name](val);
-                if (name === 'color') {
-                    ui = { backgroundColor: val, borderColor: val };
-                }
-                else if (name === 'editable') {
-                    ui = { startEditable: val, durationEditable: val };
-                }
-                else {
-                    ui = { [name]: val };
-                }
-                this.mutate({
-                    standardProps: { ui },
-                });
-            }
-            else {
-                console.warn(`Could not set prop '${name}'. Use setExtendedProp instead.`);
-            }
-        }
-        setExtendedProp(name, val) {
-            this.mutate({
-                extendedProps: { [name]: val },
-            });
-        }
-        setStart(startInput, options = {}) {
-            let { dateEnv } = this._context;
-            let start = dateEnv.createMarker(startInput);
-            if (start && this._instance) { // TODO: warning if parsed bad
-                let instanceRange = this._instance.range;
-                let startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity); // what if parsed bad!?
-                if (options.maintainDuration) {
-                    this.mutate({ datesDelta: startDelta });
-                }
-                else {
-                    this.mutate({ startDelta });
-                }
-            }
-        }
-        setEnd(endInput, options = {}) {
-            let { dateEnv } = this._context;
-            let end;
-            if (endInput != null) {
-                end = dateEnv.createMarker(endInput);
-                if (!end) {
-                    return; // TODO: warning if parsed bad
-                }
-            }
-            if (this._instance) {
-                if (end) {
-                    let endDelta = diffDates(this._instance.range.end, end, dateEnv, options.granularity);
-                    this.mutate({ endDelta });
-                }
-                else {
-                    this.mutate({ standardProps: { hasEnd: false } });
-                }
-            }
-        }
-        setDates(startInput, endInput, options = {}) {
-            let { dateEnv } = this._context;
-            let standardProps = { allDay: options.allDay };
-            let start = dateEnv.createMarker(startInput);
-            let 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) {
-                let 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);
-                }
-                let startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity);
-                if (end) {
-                    let endDelta = diffDates(instanceRange.end, end, dateEnv, options.granularity);
-                    if (durationsEqual(startDelta, endDelta)) {
-                        this.mutate({ datesDelta: startDelta, standardProps });
-                    }
-                    else {
-                        this.mutate({ startDelta, endDelta, standardProps });
-                    }
-                }
-                else { // means "clear the end"
-                    standardProps.hasEnd = false;
-                    this.mutate({ datesDelta: startDelta, standardProps });
-                }
-            }
-        }
-        moveStart(deltaInput) {
-            let delta = createDuration(deltaInput);
-            if (delta) { // TODO: warning if parsed bad
-                this.mutate({ startDelta: delta });
-            }
-        }
-        moveEnd(deltaInput) {
-            let delta = createDuration(deltaInput);
-            if (delta) { // TODO: warning if parsed bad
-                this.mutate({ endDelta: delta });
-            }
-        }
-        moveDates(deltaInput) {
-            let delta = createDuration(deltaInput);
-            if (delta) { // TODO: warning if parsed bad
-                this.mutate({ datesDelta: delta });
-            }
-        }
-        setAllDay(allDay, options = {}) {
-            let standardProps = { allDay };
-            let { maintainDuration } = options;
-            if (maintainDuration == null) {
-                maintainDuration = this._context.options.allDayMaintainDuration;
-            }
-            if (this._def.allDay !== allDay) {
-                standardProps.hasEnd = maintainDuration;
-            }
-            this.mutate({ standardProps });
-        }
-        formatRange(formatInput) {
-            let { dateEnv } = this._context;
-            let instance = this._instance;
-            let formatter = createFormatter(formatInput);
-            if (this._def.hasEnd) {
-                return dateEnv.formatRange(instance.range.start, instance.range.end, formatter, {
-                    forcedStartTzo: instance.forcedStartTzo,
-                    forcedEndTzo: instance.forcedEndTzo,
-                });
-            }
-            return dateEnv.format(instance.range.start, formatter, {
-                forcedTzo: instance.forcedStartTzo,
-            });
-        }
-        mutate(mutation) {
-            let instance = this._instance;
-            if (instance) {
-                let def = this._def;
-                let context = this._context;
-                let { eventStore } = context.getCurrentData();
-                let relevantEvents = getRelevantEvents(eventStore, instance.instanceId);
-                let eventConfigBase = {
-                    '': {
-                        display: '',
-                        startEditable: true,
-                        durationEditable: true,
-                        constraints: [],
-                        overlap: null,
-                        allows: [],
-                        backgroundColor: '',
-                        borderColor: '',
-                        textColor: '',
-                        classNames: [],
-                    },
-                };
-                relevantEvents = applyMutationToEventStore(relevantEvents, eventConfigBase, mutation, context);
-                let oldEvent = new EventImpl(context, def, instance); // snapshot
-                this._def = relevantEvents.defs[def.defId];
-                this._instance = relevantEvents.instances[instance.instanceId];
-                context.dispatch({
-                    type: 'MERGE_EVENTS',
-                    eventStore: relevantEvents,
-                });
-                context.emitter.trigger('eventChange', {
-                    oldEvent,
-                    event: this,
-                    relatedEvents: buildEventApis(relevantEvents, context, instance),
-                    revert() {
-                        context.dispatch({
-                            type: 'RESET_EVENTS',
-                            eventStore, // the ORIGINAL store
-                        });
-                    },
-                });
-            }
-        }
-        remove() {
-            let context = this._context;
-            let asStore = eventApiToStore(this);
-            context.dispatch({
-                type: 'REMOVE_EVENTS',
-                eventStore: asStore,
-            });
-            context.emitter.trigger('eventRemove', {
-                event: this,
-                relatedEvents: [],
-                revert() {
-                    context.dispatch({
-                        type: 'MERGE_EVENTS',
-                        eventStore: asStore,
-                    });
-                },
-            });
-        }
-        get source() {
-            let { sourceId } = this._def;
-            if (sourceId) {
-                return new EventSourceImpl(this._context, this._context.getCurrentData().eventSources[sourceId]);
-            }
-            return null;
-        }
-        get start() {
-            return this._instance ?
-                this._context.dateEnv.toDate(this._instance.range.start) :
-                null;
-        }
-        get end() {
-            return (this._instance && this._def.hasEnd) ?
-                this._context.dateEnv.toDate(this._instance.range.end) :
-                null;
-        }
-        get startStr() {
-            let instance = this._instance;
-            if (instance) {
-                return this._context.dateEnv.formatIso(instance.range.start, {
-                    omitTime: this._def.allDay,
-                    forcedTzo: instance.forcedStartTzo,
-                });
-            }
-            return '';
-        }
-        get endStr() {
-            let instance = this._instance;
-            if (instance && this._def.hasEnd) {
-                return this._context.dateEnv.formatIso(instance.range.end, {
-                    omitTime: this._def.allDay,
-                    forcedTzo: instance.forcedEndTzo,
-                });
-            }
-            return '';
-        }
-        // computable props that all access the def
-        // TODO: find a TypeScript-compatible way to do this at scale
-        get id() { return this._def.publicId; }
-        get groupId() { return this._def.groupId; }
-        get allDay() { return this._def.allDay; }
-        get title() { return this._def.title; }
-        get url() { return this._def.url; }
-        get display() { return this._def.ui.display || 'auto'; } // bad. just normalize the type earlier
-        get startEditable() { return this._def.ui.startEditable; }
-        get durationEditable() { return this._def.ui.durationEditable; }
-        get constraint() { return this._def.ui.constraints[0] || null; }
-        get overlap() { return this._def.ui.overlap; }
-        get allow() { return this._def.ui.allows[0] || null; }
-        get backgroundColor() { return this._def.ui.backgroundColor; }
-        get borderColor() { return this._def.ui.borderColor; }
-        get textColor() { return this._def.ui.textColor; }
-        // NOTE: user can't modify these because Object.freeze was called in event-def parsing
-        get classNames() { return this._def.ui.classNames; }
-        get extendedProps() { return this._def.extendedProps; }
-        toPlainObject(settings = {}) {
-            let def = this._def;
-            let { ui } = def;
-            let { startStr, endStr } = this;
-            let res = {
-                allDay: def.allDay,
-            };
-            if (def.title) {
-                res.title = def.title;
-            }
-            if (startStr) {
-                res.start = startStr;
-            }
-            if (endStr) {
-                res.end = endStr;
-            }
-            if (def.publicId) {
-                res.id = def.publicId;
-            }
-            if (def.groupId) {
-                res.groupId = def.groupId;
-            }
-            if (def.url) {
-                res.url = def.url;
-            }
-            if (ui.display && ui.display !== 'auto') {
-                res.display = ui.display;
-            }
-            // TODO: what about recurring-event properties???
-            // TODO: include startEditable/durationEditable/constraint/overlap/allow
-            if (settings.collapseColor && ui.backgroundColor && ui.backgroundColor === ui.borderColor) {
-                res.color = ui.backgroundColor;
-            }
-            else {
-                if (ui.backgroundColor) {
-                    res.backgroundColor = ui.backgroundColor;
-                }
-                if (ui.borderColor) {
-                    res.borderColor = ui.borderColor;
-                }
-            }
-            if (ui.textColor) {
-                res.textColor = ui.textColor;
-            }
-            if (ui.classNames.length) {
-                res.classNames = ui.classNames;
-            }
-            if (Object.keys(def.extendedProps).length) {
-                if (settings.collapseExtendedProps) {
-                    Object.assign(res, def.extendedProps);
-                }
-                else {
-                    res.extendedProps = def.extendedProps;
-                }
-            }
-            return res;
-        }
-        toJSON() {
-            return this.toPlainObject();
-        }
-    }
-    function eventApiToStore(eventApi) {
-        let def = eventApi._def;
-        let instance = eventApi._instance;
-        return {
-            defs: { [def.defId]: def },
-            instances: instance
-                ? { [instance.instanceId]: instance }
-                : {},
-        };
-    }
-    function buildEventApis(eventStore, context, excludeInstance) {
-        let { defs, instances } = eventStore;
-        let eventApis = [];
-        let excludeInstanceId = excludeInstance ? excludeInstance.instanceId : '';
-        for (let id in instances) {
-            let instance = instances[id];
-            let def = defs[instance.defId];
-            if (instance.instanceId !== excludeInstanceId) {
-                eventApis.push(new EventImpl(context, def, instance));
-            }
-        }
-        return eventApis;
-    }
-
-    /*
-    Specifying nextDayThreshold signals that all-day ranges should be sliced.
-    */
-    function sliceEventStore(eventStore, eventUiBases, framingRange, nextDayThreshold) {
-        let inverseBgByGroupId = {};
-        let inverseBgByDefId = {};
-        let defByGroupId = {};
-        let bgRanges = [];
-        let fgRanges = [];
-        let eventUis = compileEventUis(eventStore.defs, eventUiBases);
-        for (let defId in eventStore.defs) {
-            let def = eventStore.defs[defId];
-            let ui = eventUis[def.defId];
-            if (ui.display === 'inverse-background') {
-                if (def.groupId) {
-                    inverseBgByGroupId[def.groupId] = [];
-                    if (!defByGroupId[def.groupId]) {
-                        defByGroupId[def.groupId] = def;
-                    }
-                }
-                else {
-                    inverseBgByDefId[defId] = [];
-                }
-            }
-        }
-        for (let instanceId in eventStore.instances) {
-            let instance = eventStore.instances[instanceId];
-            let def = eventStore.defs[instance.defId];
-            let ui = eventUis[def.defId];
-            let origRange = instance.range;
-            let normalRange = (!def.allDay && nextDayThreshold) ?
-                computeVisibleDayRange(origRange, nextDayThreshold) :
-                origRange;
-            let slicedRange = intersectRanges(normalRange, framingRange);
-            if (slicedRange) {
-                if (ui.display === 'inverse-background') {
-                    if (def.groupId) {
-                        inverseBgByGroupId[def.groupId].push(slicedRange);
-                    }
-                    else {
-                        inverseBgByDefId[instance.defId].push(slicedRange);
-                    }
-                }
-                else if (ui.display !== 'none') {
-                    (ui.display === 'background' ? bgRanges : fgRanges).push({
-                        def,
-                        ui,
-                        instance,
-                        range: slicedRange,
-                        isStart: normalRange.start && normalRange.start.valueOf() === slicedRange.start.valueOf(),
-                        isEnd: normalRange.end && normalRange.end.valueOf() === slicedRange.end.valueOf(),
-                    });
-                }
-            }
-        }
-        for (let groupId in inverseBgByGroupId) { // BY GROUP
-            let ranges = inverseBgByGroupId[groupId];
-            let invertedRanges = invertRanges(ranges, framingRange);
-            for (let invertedRange of invertedRanges) {
-                let def = defByGroupId[groupId];
-                let ui = eventUis[def.defId];
-                bgRanges.push({
-                    def,
-                    ui,
-                    instance: null,
-                    range: invertedRange,
-                    isStart: false,
-                    isEnd: false,
-                });
-            }
-        }
-        for (let defId in inverseBgByDefId) {
-            let ranges = inverseBgByDefId[defId];
-            let invertedRanges = invertRanges(ranges, framingRange);
-            for (let invertedRange of invertedRanges) {
-                bgRanges.push({
-                    def: eventStore.defs[defId],
-                    ui: eventUis[defId],
-                    instance: null,
-                    range: invertedRange,
-                    isStart: false,
-                    isEnd: false,
-                });
-            }
-        }
-        return { bg: bgRanges, fg: fgRanges };
-    }
-    function hasBgRendering(def) {
-        return def.ui.display === 'background' || def.ui.display === 'inverse-background';
-    }
-    function setElSeg(el, seg) {
-        el.fcSeg = seg;
-    }
-    function getElSeg(el) {
-        return el.fcSeg ||
-            el.parentNode.fcSeg || // for the harness
-            null;
-    }
-    // event ui computation
-    function compileEventUis(eventDefs, eventUiBases) {
-        return mapHash(eventDefs, (eventDef) => compileEventUi(eventDef, eventUiBases));
-    }
-    function compileEventUi(eventDef, eventUiBases) {
-        let uis = [];
-        if (eventUiBases['']) {
-            uis.push(eventUiBases['']);
-        }
-        if (eventUiBases[eventDef.defId]) {
-            uis.push(eventUiBases[eventDef.defId]);
-        }
-        uis.push(eventDef.ui);
-        return combineEventUis(uis);
-    }
-    function sortEventSegs(segs, eventOrderSpecs) {
-        let objs = segs.map(buildSegCompareObj);
-        objs.sort((obj0, obj1) => compareByFieldSpecs(obj0, obj1, eventOrderSpecs));
-        return objs.map((c) => c._seg);
-    }
-    // returns a object with all primitive props that can be compared
-    function buildSegCompareObj(seg) {
-        let { eventRange } = seg;
-        let eventDef = eventRange.def;
-        let range = eventRange.instance ? eventRange.instance.range : eventRange.range;
-        let start = range.start ? range.start.valueOf() : 0; // TODO: better support for open-range events
-        let end = range.end ? range.end.valueOf() : 0; // "
-        return Object.assign(Object.assign(Object.assign({}, eventDef.extendedProps), eventDef), { id: eventDef.publicId, start,
-            end, duration: end - start, allDay: Number(eventDef.allDay), _seg: seg });
-    }
-    function computeSegDraggable(seg, context) {
-        let { pluginHooks } = context;
-        let transformers = pluginHooks.isDraggableTransformers;
-        let { def, ui } = seg.eventRange;
-        let val = ui.startEditable;
-        for (let transformer of transformers) {
-            val = transformer(val, def, ui, context);
-        }
-        return val;
-    }
-    function computeSegStartResizable(seg, context) {
-        return seg.isStart && seg.eventRange.ui.durationEditable && context.options.eventResizableFromStart;
-    }
-    function computeSegEndResizable(seg, context) {
-        return seg.isEnd && seg.eventRange.ui.durationEditable;
-    }
-    function buildSegTimeText(seg, timeFormat, context, defaultDisplayEventTime, // defaults to true
-    defaultDisplayEventEnd, // defaults to true
-    startOverride, endOverride) {
-        let { dateEnv, options } = context;
-        let { displayEventTime, displayEventEnd } = options;
-        let eventDef = seg.eventRange.def;
-        let eventInstance = seg.eventRange.instance;
-        if (displayEventTime == null) {
-            displayEventTime = defaultDisplayEventTime !== false;
-        }
-        if (displayEventEnd == null) {
-            displayEventEnd = defaultDisplayEventEnd !== false;
-        }
-        let wholeEventStart = eventInstance.range.start;
-        let wholeEventEnd = eventInstance.range.end;
-        let segStart = startOverride || seg.start || seg.eventRange.range.start;
-        let segEnd = endOverride || seg.end || seg.eventRange.range.end;
-        let isStartDay = startOfDay(wholeEventStart).valueOf() === startOfDay(segStart).valueOf();
-        let isEndDay = startOfDay(addMs(wholeEventEnd, -1)).valueOf() === startOfDay(addMs(segEnd, -1)).valueOf();
-        if (displayEventTime && !eventDef.allDay && (isStartDay || isEndDay)) {
-            segStart = isStartDay ? wholeEventStart : segStart;
-            segEnd = isEndDay ? wholeEventEnd : segEnd;
-            if (displayEventEnd && eventDef.hasEnd) {
-                return dateEnv.formatRange(segStart, segEnd, timeFormat, {
-                    forcedStartTzo: startOverride ? null : eventInstance.forcedStartTzo,
-                    forcedEndTzo: endOverride ? null : eventInstance.forcedEndTzo,
-                });
-            }
-            return dateEnv.format(segStart, timeFormat, {
-                forcedTzo: startOverride ? null : eventInstance.forcedStartTzo, // nooooo, same
-            });
-        }
-        return '';
-    }
-    function getSegMeta(seg, todayRange, nowDate) {
-        let segRange = seg.eventRange.range;
-        return {
-            isPast: segRange.end <= (nowDate || todayRange.start),
-            isFuture: segRange.start >= (nowDate || todayRange.end),
-            isToday: todayRange && rangeContainsMarker(todayRange, segRange.start),
-        };
-    }
-    function getEventClassNames(props) {
-        let classNames = ['fc-event'];
-        if (props.isMirror) {
-            classNames.push('fc-event-mirror');
-        }
-        if (props.isDraggable) {
-            classNames.push('fc-event-draggable');
-        }
-        if (props.isStartResizable || props.isEndResizable) {
-            classNames.push('fc-event-resizable');
-        }
-        if (props.isDragging) {
-            classNames.push('fc-event-dragging');
-        }
-        if (props.isResizing) {
-            classNames.push('fc-event-resizing');
-        }
-        if (props.isSelected) {
-            classNames.push('fc-event-selected');
-        }
-        if (props.isStart) {
-            classNames.push('fc-event-start');
-        }
-        if (props.isEnd) {
-            classNames.push('fc-event-end');
-        }
-        if (props.isPast) {
-            classNames.push('fc-event-past');
-        }
-        if (props.isToday) {
-            classNames.push('fc-event-today');
-        }
-        if (props.isFuture) {
-            classNames.push('fc-event-future');
-        }
-        return classNames;
-    }
-    function buildEventRangeKey(eventRange) {
-        return eventRange.instance
-            ? eventRange.instance.instanceId
-            : `${eventRange.def.defId}:${eventRange.range.start.toISOString()}`;
-        // inverse-background events don't have specific instances. TODO: better solution
-    }
-    function getSegAnchorAttrs(seg, context) {
-        let { def, instance } = seg.eventRange;
-        let { url } = def;
-        if (url) {
-            return { href: url };
-        }
-        let { emitter, options } = context;
-        let { eventInteractive } = options;
-        if (eventInteractive == null) {
-            eventInteractive = def.interactive;
-            if (eventInteractive == null) {
-                eventInteractive = Boolean(emitter.hasHandlers('eventClick'));
-            }
-        }
-        // mock what happens in EventClicking
-        if (eventInteractive) {
-            // only attach keyboard-related handlers because click handler is already done in EventClicking
-            return createAriaKeyboardAttrs((ev) => {
-                emitter.trigger('eventClick', {
-                    el: ev.target,
-                    event: new EventImpl(context, def, instance),
-                    jsEvent: ev,
-                    view: context.viewApi,
-                });
-            });
-        }
-        return {};
-    }
-
-    const STANDARD_PROPS = {
-        start: identity,
-        end: identity,
-        allDay: Boolean,
-    };
-    function parseDateSpan(raw, dateEnv, defaultDuration) {
-        let span = parseOpenDateSpan(raw, dateEnv);
-        let { range } = span;
-        if (!range.start) {
-            return null;
-        }
-        if (!range.end) {
-            if (defaultDuration == null) {
-                return null;
-            }
-            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) {
-        let { refined: standardProps, extra } = refineProps(raw, STANDARD_PROPS);
-        let startMeta = standardProps.start ? dateEnv.createMarkerMeta(standardProps.start) : null;
-        let endMeta = standardProps.end ? dateEnv.createMarkerMeta(standardProps.end) : null;
-        let { allDay } = standardProps;
-        if (allDay == null) {
-            allDay = (startMeta && startMeta.isTimeUnspecified) &&
-                (!endMeta || endMeta.isTimeUnspecified);
-        }
-        return Object.assign({ range: {
-                start: startMeta ? startMeta.marker : null,
-                end: endMeta ? endMeta.marker : null,
-            }, allDay }, extra);
-    }
-    function isDateSpansEqual(span0, span1) {
-        return rangesEqual(span0.range, span1.range) &&
-            span0.allDay === span1.allDay &&
-            isSpanPropsEqual(span0, span1);
-    }
-    // the NON-DATE-RELATED props
-    function isSpanPropsEqual(span0, span1) {
-        for (let 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 (let propName in span0) {
-            if (!(propName in span1)) {
-                return false;
-            }
-        }
-        return true;
-    }
-    function buildDateSpanApi(span, dateEnv) {
-        return Object.assign(Object.assign({}, buildRangeApi(span.range, dateEnv, span.allDay)), { allDay: span.allDay });
-    }
-    function buildRangeApiWithTimeZone(range, dateEnv, omitTime) {
-        return Object.assign(Object.assign({}, buildRangeApi(range, dateEnv, omitTime)), { timeZone: dateEnv.timeZone });
-    }
-    function buildRangeApi(range, dateEnv, omitTime) {
-        return {
-            start: dateEnv.toDate(range.start),
-            end: dateEnv.toDate(range.end),
-            startStr: dateEnv.formatIso(range.start, { omitTime }),
-            endStr: dateEnv.formatIso(range.end, { omitTime }),
-        };
-    }
-    function fabricateEventRange(dateSpan, eventUiBases, context) {
-        let res = refineEventDef({ editable: false }, context);
-        let def = parseEventDef(res.refined, res.extra, '', // sourceId
-        dateSpan.allDay, true, // hasEnd
-        context);
-        return {
-            def,
-            ui: compileEventUi(def, eventUiBases),
-            instance: createEventInstance(def.defId, dateSpan.range),
-            range: dateSpan.range,
-            isStart: true,
-            isEnd: true,
-        };
-    }
-
-    /*
-    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, normalizedSuccessCallback, normalizedFailureCallback) {
-        // guard against success/failure callbacks being called more than once
-        // and guard against a promise AND callback being used together.
-        let isResolved = false;
-        let wrappedSuccess = function (res) {
-            if (!isResolved) {
-                isResolved = true;
-                normalizedSuccessCallback(res);
-            }
-        };
-        let wrappedFailure = function (error) {
-            if (!isResolved) {
-                isResolved = true;
-                normalizedFailureCallback(error);
-            }
-        };
-        let res = func(wrappedSuccess, wrappedFailure);
-        if (res && typeof res.then === 'function') {
-            res.then(wrappedSuccess, wrappedFailure);
-        }
-    }
-
-    class JsonRequestError extends Error {
-        constructor(message, response) {
-            super(message);
-            this.response = response;
-        }
-    }
-    function requestJson(method, url, params) {
-        method = method.toUpperCase();
-        const fetchOptions = {
-            method,
-        };
-        if (method === 'GET') {
-            url += (url.indexOf('?') === -1 ? '?' : '&') +
-                new URLSearchParams(params);
-        }
-        else {
-            fetchOptions.body = new URLSearchParams(params);
-            fetchOptions.headers = {
-                'Content-Type': 'application/x-www-form-urlencoded',
-            };
-        }
-        return fetch(url, fetchOptions).then((fetchRes) => {
-            if (fetchRes.ok) {
-                return fetchRes.json().then((parsedResponse) => {
-                    return [parsedResponse, fetchRes];
-                }, () => {
-                    throw new JsonRequestError('Failure parsing JSON', fetchRes);
-                });
-            }
-            else {
-                throw new JsonRequestError('Request failed', fetchRes);
-            }
-        });
-    }
-
-    let canVGrowWithinCell;
-    function getCanVGrowWithinCell() {
-        if (canVGrowWithinCell == null) {
-            canVGrowWithinCell = computeCanVGrowWithinCell();
-        }
-        return canVGrowWithinCell;
-    }
-    function computeCanVGrowWithinCell() {
-        // for SSR, because this function is call immediately at top-level
-        // TODO: just make this logic execute top-level, immediately, instead of doing lazily
-        if (typeof document === 'undefined') {
-            return true;
-        }
-        let el = document.createElement('div');
-        el.style.position = 'absolute';
-        el.style.top = '0px';
-        el.style.left = '0px';
-        el.innerHTML = '<table><tr><td><div></div></td></tr></table>';
-        el.querySelector('table').style.height = '100px';
-        el.querySelector('div').style.height = '100%';
-        document.body.appendChild(el);
-        let div = el.querySelector('div');
-        let possible = div.offsetHeight > 0;
-        document.body.removeChild(el);
-        return possible;
-    }
-
-    class CalendarRoot extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.state = {
-                forPrint: false,
-            };
-            this.handleBeforePrint = () => {
-                flushSync(() => {
-                    this.setState({ forPrint: true });
-                });
-            };
-            this.handleAfterPrint = () => {
-                flushSync(() => {
-                    this.setState({ forPrint: false });
-                });
-            };
-        }
-        render() {
-            let { props } = this;
-            let { options } = props;
-            let { forPrint } = this.state;
-            let isHeightAuto = forPrint || options.height === 'auto' || options.contentHeight === 'auto';
-            let height = (!isHeightAuto && options.height != null) ? options.height : '';
-            let classNames = [
-                'fc',
-                forPrint ? 'fc-media-print' : 'fc-media-screen',
-                `fc-direction-${options.direction}`,
-                props.theme.getClass('root'),
-            ];
-            if (!getCanVGrowWithinCell()) {
-                classNames.push('fc-liquid-hack');
-            }
-            return props.children(classNames, height, isHeightAuto, forPrint);
-        }
-        componentDidMount() {
-            let { emitter } = this.props;
-            emitter.on('_beforeprint', this.handleBeforePrint);
-            emitter.on('_afterprint', this.handleAfterPrint);
-        }
-        componentWillUnmount() {
-            let { emitter } = this.props;
-            emitter.off('_beforeprint', this.handleBeforePrint);
-            emitter.off('_afterprint', this.handleAfterPrint);
-        }
-    }
-
-    class Interaction {
-        constructor(settings) {
-            this.component = settings.component;
-            this.isHitComboAllowed = settings.isHitComboAllowed || null;
-        }
-        destroy() {
-        }
-    }
-    function parseInteractionSettings(component, input) {
-        return {
-            component,
-            el: input.el,
-            useEventCenter: input.useEventCenter != null ? input.useEventCenter : true,
-            isHitComboAllowed: input.isHitComboAllowed || null,
-        };
-    }
-    function interactionSettingsToStore(settings) {
-        return {
-            [settings.component.uid]: settings,
-        };
-    }
-    // global state
-    const interactionSettingsStore = {};
-
-    class NowTimer extends x$1 {
-        constructor(props, context) {
-            super(props, context);
-            this.handleRefresh = () => {
-                let timing = this.computeTiming();
-                if (timing.state.nowDate.valueOf() !== this.state.nowDate.valueOf()) {
-                    this.setState(timing.state);
-                }
-                this.clearTimeout();
-                this.setTimeout(timing.waitMs);
-            };
-            this.handleVisibilityChange = () => {
-                if (!document.hidden) {
-                    this.handleRefresh();
-                }
-            };
-            this.state = this.computeTiming().state;
-        }
-        render() {
-            let { props, state } = this;
-            return props.children(state.nowDate, state.todayRange);
-        }
-        componentDidMount() {
-            this.setTimeout();
-            this.context.nowManager.addResetListener(this.handleRefresh);
-            // fired tab becomes visible after being hidden
-            document.addEventListener('visibilitychange', this.handleVisibilityChange);
-        }
-        componentDidUpdate(prevProps) {
-            if (prevProps.unit !== this.props.unit) {
-                this.clearTimeout();
-                this.setTimeout();
-            }
-        }
-        componentWillUnmount() {
-            this.clearTimeout();
-            this.context.nowManager.removeResetListener(this.handleRefresh);
-            document.removeEventListener('visibilitychange', this.handleVisibilityChange);
-        }
-        computeTiming() {
-            let { props, context } = this;
-            let unroundedNow = context.nowManager.getDateMarker();
-            let currentUnitStart = context.dateEnv.startOf(unroundedNow, props.unit);
-            let nextUnitStart = context.dateEnv.add(currentUnitStart, createDuration(1, props.unit));
-            let waitMs = nextUnitStart.valueOf() - unroundedNow.valueOf();
-            // there is a max setTimeout ms value (https://stackoverflow.com/a/3468650/96342)
-            // ensure no longer than a day
-            waitMs = Math.min(1000 * 60 * 60 * 24, waitMs);
-            return {
-                state: { nowDate: currentUnitStart, todayRange: buildDayRange(currentUnitStart) },
-                waitMs,
-            };
-        }
-        setTimeout(waitMs = this.computeTiming().waitMs) {
-            // NOTE: timeout could take longer than expected if tab sleeps,
-            // which is why we listen to 'visibilitychange'
-            this.timeoutId = setTimeout(() => {
-                // NOTE: timeout could also return *earlier* than expected, and we need to wait 2 ms more
-                // This is why use use same waitMs from computeTiming, so we don't skip an interval while
-                // .setState() is executing
-                const timing = this.computeTiming();
-                this.setState(timing.state, () => {
-                    this.setTimeout(timing.waitMs);
-                });
-            }, waitMs);
-        }
-        clearTimeout() {
-            if (this.timeoutId) {
-                clearTimeout(this.timeoutId);
-            }
-        }
-    }
-    NowTimer.contextType = ViewContextType;
-    function buildDayRange(date) {
-        let start = startOfDay(date);
-        let end = addDays(start, 1);
-        return { start, end };
-    }
-
-    class CalendarImpl {
-        getCurrentData() {
-            return this.currentDataManager.getCurrentData();
-        }
-        dispatch(action) {
-            this.currentDataManager.dispatch(action);
-        }
-        get view() { return this.getCurrentData().viewApi; }
-        batchRendering(callback) {
-            callback();
-        }
-        updateSize() {
-            this.trigger('_resize', true);
-        }
-        // Options
-        // -----------------------------------------------------------------------------------------------------------------
-        setOption(name, val) {
-            this.dispatch({
-                type: 'SET_OPTION',
-                optionName: name,
-                rawOptionValue: val,
-            });
-        }
-        getOption(name) {
-            return this.currentDataManager.currentCalendarOptionsInput[name];
-        }
-        getAvailableLocaleCodes() {
-            return Object.keys(this.getCurrentData().availableRawLocales);
-        }
-        // Trigger
-        // -----------------------------------------------------------------------------------------------------------------
-        on(handlerName, handler) {
-            let { currentDataManager } = this;
-            if (currentDataManager.currentCalendarOptionsRefiners[handlerName]) {
-                currentDataManager.emitter.on(handlerName, handler);
-            }
-            else {
-                console.warn(`Unknown listener name '${handlerName}'`);
-            }
-        }
-        off(handlerName, handler) {
-            this.currentDataManager.emitter.off(handlerName, handler);
-        }
-        // not meant for public use
-        trigger(handlerName, ...args) {
-            this.currentDataManager.emitter.trigger(handlerName, ...args);
-        }
-        // View
-        // -----------------------------------------------------------------------------------------------------------------
-        changeView(viewType, dateOrRange) {
-            this.batchRendering(() => {
-                this.unselect();
-                if (dateOrRange) {
-                    if (dateOrRange.start && dateOrRange.end) { // a range
-                        this.dispatch({
-                            type: 'CHANGE_VIEW_TYPE',
-                            viewType,
-                        });
-                        this.dispatch({
-                            type: 'SET_OPTION',
-                            optionName: 'visibleRange',
-                            rawOptionValue: dateOrRange,
-                        });
-                    }
-                    else {
-                        let { dateEnv } = this.getCurrentData();
-                        this.dispatch({
-                            type: 'CHANGE_VIEW_TYPE',
-                            viewType,
-                            dateMarker: dateEnv.createMarker(dateOrRange),
-                        });
-                    }
-                }
-                else {
-                    this.dispatch({
-                        type: 'CHANGE_VIEW_TYPE',
-                        viewType,
-                    });
-                }
-            });
-        }
-        // Forces navigation to a view for the given date.
-        // `viewType` can be a specific view name or a generic one like "week" or "day".
-        // needs to change
-        zoomTo(dateMarker, viewType) {
-            let state = this.getCurrentData();
-            let spec;
-            viewType = viewType || 'day'; // day is default zoom
-            spec = state.viewSpecs[viewType] || this.getUnitViewSpec(viewType);
-            this.unselect();
-            if (spec) {
-                this.dispatch({
-                    type: 'CHANGE_VIEW_TYPE',
-                    viewType: spec.type,
-                    dateMarker,
-                });
-            }
-            else {
-                this.dispatch({
-                    type: 'CHANGE_DATE',
-                    dateMarker,
-                });
-            }
-        }
-        // Given a duration singular unit, like "week" or "day", finds a matching view spec.
-        // Preference is given to views that have corresponding buttons.
-        getUnitViewSpec(unit) {
-            let { viewSpecs, toolbarConfig } = this.getCurrentData();
-            let viewTypes = [].concat(toolbarConfig.header ? toolbarConfig.header.viewsWithButtons : [], toolbarConfig.footer ? toolbarConfig.footer.viewsWithButtons : []);
-            let i;
-            let spec;
-            for (let viewType in viewSpecs) {
-                viewTypes.push(viewType);
-            }
-            for (i = 0; i < viewTypes.length; i += 1) {
-                spec = viewSpecs[viewTypes[i]];
-                if (spec) {
-                    if (spec.singleUnit === unit) {
-                        return spec;
-                    }
-                }
-            }
-            return null;
-        }
-        // Current Date
-        // -----------------------------------------------------------------------------------------------------------------
-        prev() {
-            this.unselect();
-            this.dispatch({ type: 'PREV' });
-        }
-        next() {
-            this.unselect();
-            this.dispatch({ type: 'NEXT' });
-        }
-        prevYear() {
-            let state = this.getCurrentData();
-            this.unselect();
-            this.dispatch({
-                type: 'CHANGE_DATE',
-                dateMarker: state.dateEnv.addYears(state.currentDate, -1),
-            });
-        }
-        nextYear() {
-            let state = this.getCurrentData();
-            this.unselect();
-            this.dispatch({
-                type: 'CHANGE_DATE',
-                dateMarker: state.dateEnv.addYears(state.currentDate, 1),
-            });
-        }
-        today() {
-            let state = this.getCurrentData();
-            this.unselect();
-            this.dispatch({
-                type: 'CHANGE_DATE',
-                dateMarker: state.nowManager.getDateMarker(),
-            });
-        }
-        gotoDate(zonedDateInput) {
-            let state = this.getCurrentData();
-            this.unselect();
-            this.dispatch({
-                type: 'CHANGE_DATE',
-                dateMarker: state.dateEnv.createMarker(zonedDateInput),
-            });
-        }
-        incrementDate(deltaInput) {
-            let state = this.getCurrentData();
-            let delta = createDuration(deltaInput);
-            if (delta) { // else, warn about invalid input?
-                this.unselect();
-                this.dispatch({
-                    type: 'CHANGE_DATE',
-                    dateMarker: state.dateEnv.add(state.currentDate, delta),
-                });
-            }
-        }
-        getDate() {
-            let state = this.getCurrentData();
-            return state.dateEnv.toDate(state.currentDate);
-        }
-        // Date Formatting Utils
-        // -----------------------------------------------------------------------------------------------------------------
-        formatDate(d, formatter) {
-            let { dateEnv } = this.getCurrentData();
-            return dateEnv.format(dateEnv.createMarker(d), createFormatter(formatter));
-        }
-        // `settings` is for formatter AND isEndExclusive
-        formatRange(d0, d1, settings) {
-            let { dateEnv } = this.getCurrentData();
-            return dateEnv.formatRange(dateEnv.createMarker(d0), dateEnv.createMarker(d1), createFormatter(settings), settings);
-        }
-        formatIso(d, omitTime) {
-            let { dateEnv } = this.getCurrentData();
-            return dateEnv.formatIso(dateEnv.createMarker(d), { omitTime });
-        }
-        // Date Selection / Event Selection / DayClick
-        // -----------------------------------------------------------------------------------------------------------------
-        select(dateOrObj, endDate) {
-            let selectionInput;
-            if (endDate == null) {
-                if (dateOrObj.start != null) {
-                    selectionInput = dateOrObj;
-                }
-                else {
-                    selectionInput = {
-                        start: dateOrObj,
-                        end: null,
-                    };
-                }
-            }
-            else {
-                selectionInput = {
-                    start: dateOrObj,
-                    end: endDate,
-                };
-            }
-            let state = this.getCurrentData();
-            let selection = parseDateSpan(selectionInput, state.dateEnv, createDuration({ days: 1 }));
-            if (selection) { // throw parse error otherwise?
-                this.dispatch({ type: 'SELECT_DATES', selection });
-                triggerDateSelect(selection, null, state);
-            }
-        }
-        unselect(pev) {
-            let state = this.getCurrentData();
-            if (state.dateSelection) {
-                this.dispatch({ type: 'UNSELECT_DATES' });
-                triggerDateUnselect(pev, state);
-            }
-        }
-        // Public Events API
-        // -----------------------------------------------------------------------------------------------------------------
-        addEvent(eventInput, sourceInput) {
-            if (eventInput instanceof EventImpl) {
-                let def = eventInput._def;
-                let instance = eventInput._instance;
-                let currentData = this.getCurrentData();
-                // not already present? don't want to add an old snapshot
-                if (!currentData.eventStore.defs[def.defId]) {
-                    this.dispatch({
-                        type: 'ADD_EVENTS',
-                        eventStore: eventTupleToStore({ def, instance }), // TODO: better util for two args?
-                    });
-                    this.triggerEventAdd(eventInput);
-                }
-                return eventInput;
-            }
-            let state = this.getCurrentData();
-            let eventSource;
-            if (sourceInput instanceof EventSourceImpl) {
-                eventSource = sourceInput.internalEventSource;
-            }
-            else if (typeof sourceInput === 'boolean') {
-                if (sourceInput) { // true. part of the first event source
-                    [eventSource] = hashValuesToArray(state.eventSources);
-                }
-            }
-            else if (sourceInput != null) { // an ID. accepts a number too
-                let 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;
-                }
-                eventSource = sourceApi.internalEventSource;
-            }
-            let tuple = parseEvent(eventInput, eventSource, state, false);
-            if (tuple) {
-                let newEventApi = new EventImpl(state, tuple.def, tuple.def.recurringDef ? null : tuple.instance);
-                this.dispatch({
-                    type: 'ADD_EVENTS',
-                    eventStore: eventTupleToStore(tuple),
-                });
-                this.triggerEventAdd(newEventApi);
-                return newEventApi;
-            }
-            return null;
-        }
-        triggerEventAdd(eventApi) {
-            let { emitter } = this.getCurrentData();
-            emitter.trigger('eventAdd', {
-                event: eventApi,
-                relatedEvents: [],
-                revert: () => {
-                    this.dispatch({
-                        type: 'REMOVE_EVENTS',
-                        eventStore: eventApiToStore(eventApi),
-                    });
-                },
-            });
-        }
-        // TODO: optimize
-        getEventById(id) {
-            let state = this.getCurrentData();
-            let { defs, instances } = state.eventStore;
-            id = String(id);
-            for (let defId in defs) {
-                let def = defs[defId];
-                if (def.publicId === id) {
-                    if (def.recurringDef) {
-                        return new EventImpl(state, def, null);
-                    }
-                    for (let instanceId in instances) {
-                        let instance = instances[instanceId];
-                        if (instance.defId === def.defId) {
-                            return new EventImpl(state, def, instance);
-                        }
-                    }
-                }
-            }
-            return null;
-        }
-        getEvents() {
-            let currentData = this.getCurrentData();
-            return buildEventApis(currentData.eventStore, currentData);
-        }
-        removeAllEvents() {
-            this.dispatch({ type: 'REMOVE_ALL_EVENTS' });
-        }
-        // Public Event Sources API
-        // -----------------------------------------------------------------------------------------------------------------
-        getEventSources() {
-            let state = this.getCurrentData();
-            let sourceHash = state.eventSources;
-            let sourceApis = [];
-            for (let internalId in sourceHash) {
-                sourceApis.push(new EventSourceImpl(state, sourceHash[internalId]));
-            }
-            return sourceApis;
-        }
-        getEventSourceById(id) {
-            let state = this.getCurrentData();
-            let sourceHash = state.eventSources;
-            id = String(id);
-            for (let sourceId in sourceHash) {
-                if (sourceHash[sourceId].publicId === id) {
-                    return new EventSourceImpl(state, sourceHash[sourceId]);
-                }
-            }
-            return null;
-        }
-        addEventSource(sourceInput) {
-            let state = this.getCurrentData();
-            if (sourceInput instanceof EventSourceImpl) {
-                // not already present? don't want to add an old snapshot
-                if (!state.eventSources[sourceInput.internalEventSource.sourceId]) {
-                    this.dispatch({
-                        type: 'ADD_EVENT_SOURCES',
-                        sources: [sourceInput.internalEventSource],
-                    });
-                }
-                return sourceInput;
-            }
-            let eventSource = parseEventSource(sourceInput, state);
-            if (eventSource) { // TODO: error otherwise?
-                this.dispatch({ type: 'ADD_EVENT_SOURCES', sources: [eventSource] });
-                return new EventSourceImpl(state, eventSource);
-            }
-            return null;
-        }
-        removeAllEventSources() {
-            this.dispatch({ type: 'REMOVE_ALL_EVENT_SOURCES' });
-        }
-        refetchEvents() {
-            this.dispatch({ type: 'FETCH_EVENT_SOURCES', isRefetch: true });
-        }
-        // Scroll
-        // -----------------------------------------------------------------------------------------------------------------
-        scrollToTime(timeInput) {
-            let time = createDuration(timeInput);
-            if (time) {
-                this.trigger('_scrollRequest', { time });
-            }
-        }
-    }
-
-    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) {
-        let 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,
-        };
-    }
-
-    const EMPTY_EVENT_STORE = createEmptyEventStore(); // for purecomponents. TODO: keep elsewhere
-    class Splitter {
-        constructor() {
-            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
-        }
-        splitProps(props) {
-            let keyInfos = this.getKeyInfo(props);
-            let defKeys = this.getKeysForEventDefs(props.eventStore);
-            let dateSelections = this.splitDateSelection(props.dateSelection);
-            let individualUi = this.splitIndividualUi(props.eventUiBases, defKeys); // the individual *bases*
-            let eventStores = this.splitEventStore(props.eventStore, defKeys);
-            let eventDrags = this.splitEventDrag(props.eventDrag);
-            let eventResizes = this.splitEventResize(props.eventResize);
-            let splitProps = {};
-            this.eventUiBuilders = mapHash(keyInfos, (info, key) => this.eventUiBuilders[key] || memoize(buildEventUiForKey));
-            for (let key in keyInfos) {
-                let keyInfo = keyInfos[key];
-                let eventStore = eventStores[key] || EMPTY_EVENT_STORE;
-                let buildEventUi = this.eventUiBuilders[key];
-                splitProps[key] = {
-                    businessHours: keyInfo.businessHours || props.businessHours,
-                    dateSelection: dateSelections[key] || null,
-                    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;
-        }
-        _splitDateSpan(dateSpan) {
-            let dateSpans = {};
-            if (dateSpan) {
-                let keys = this.getKeysForDateSpan(dateSpan);
-                for (let key of keys) {
-                    dateSpans[key] = dateSpan;
-                }
-            }
-            return dateSpans;
-        }
-        _getKeysForEventDefs(eventStore) {
-            return mapHash(eventStore.defs, (eventDef) => this.getKeysForEventDef(eventDef));
-        }
-        _splitEventStore(eventStore, defKeys) {
-            let { defs, instances } = eventStore;
-            let splitStores = {};
-            for (let defId in defs) {
-                for (let key of defKeys[defId]) {
-                    if (!splitStores[key]) {
-                        splitStores[key] = createEmptyEventStore();
-                    }
-                    splitStores[key].defs[defId] = defs[defId];
-                }
-            }
-            for (let instanceId in instances) {
-                let instance = instances[instanceId];
-                for (let key of defKeys[instance.defId]) {
-                    if (splitStores[key]) { // must have already been created
-                        splitStores[key].instances[instanceId] = instance;
-                    }
-                }
-            }
-            return splitStores;
-        }
-        _splitIndividualUi(eventUiBases, defKeys) {
-            let splitHashes = {};
-            for (let defId in eventUiBases) {
-                if (defId) { // not the '' key
-                    for (let key of defKeys[defId]) {
-                        if (!splitHashes[key]) {
-                            splitHashes[key] = {};
-                        }
-                        splitHashes[key][defId] = eventUiBases[defId];
-                    }
-                }
-            }
-            return splitHashes;
-        }
-        _splitInteraction(interaction) {
-            let splitStates = {};
-            if (interaction) {
-                let affectedStores = this._splitEventStore(interaction.affectedEvents, this._getKeysForEventDefs(interaction.affectedEvents));
-                // can't rely on defKeys because event data is mutated
-                let mutatedKeysByDefId = this._getKeysForEventDefs(interaction.mutatedEvents);
-                let mutatedStores = this._splitEventStore(interaction.mutatedEvents, mutatedKeysByDefId);
-                let populate = (key) => {
-                    if (!splitStates[key]) {
-                        splitStates[key] = {
-                            affectedEvents: affectedStores[key] || EMPTY_EVENT_STORE,
-                            mutatedEvents: mutatedStores[key] || EMPTY_EVENT_STORE,
-                            isEvent: interaction.isEvent,
-                        };
-                    }
-                };
-                for (let key in affectedStores) {
-                    populate(key);
-                }
-                for (let key in mutatedStores) {
-                    populate(key);
-                }
-            }
-            return splitStates;
-        }
-    }
-    function buildEventUiForKey(allUi, eventUiForKey, individualUi) {
-        let baseParts = [];
-        if (allUi) {
-            baseParts.push(allUi);
-        }
-        if (eventUiForKey) {
-            baseParts.push(eventUiForKey);
-        }
-        let stuff = {
-            '': combineEventUis(baseParts),
-        };
-        if (individualUi) {
-            Object.assign(stuff, individualUi);
-        }
-        return stuff;
-    }
-
-    function getDateMeta(date, todayRange, nowDate, dateProfile) {
-        return {
-            dow: date.getUTCDay(),
-            isDisabled: Boolean(dateProfile && (!dateProfile.activeRange || !rangeContainsMarker(dateProfile.activeRange, date))),
-            isOther: Boolean(dateProfile && !rangeContainsMarker(dateProfile.currentRange, date)),
-            isToday: Boolean(todayRange && rangeContainsMarker(todayRange, date)),
-            isPast: Boolean(nowDate ? (date < nowDate) : todayRange ? (date < todayRange.start) : false),
-            isFuture: Boolean(nowDate ? (date > nowDate) : todayRange ? (date >= todayRange.end) : false),
-        };
-    }
-    function getDayClassNames(meta, theme) {
-        let classNames = [
-            'fc-day',
-            `fc-day-${DAY_IDS[meta.dow]}`,
-        ];
-        if (meta.isDisabled) {
-            classNames.push('fc-day-disabled');
-        }
-        else {
-            if (meta.isToday) {
-                classNames.push('fc-day-today');
-                classNames.push(theme.getClass('today'));
-            }
-            if (meta.isPast) {
-                classNames.push('fc-day-past');
-            }
-            if (meta.isFuture) {
-                classNames.push('fc-day-future');
-            }
-            if (meta.isOther) {
-                classNames.push('fc-day-other');
-            }
-        }
-        return classNames;
-    }
-    function getSlotClassNames(meta, theme) {
-        let classNames = [
-            'fc-slot',
-            `fc-slot-${DAY_IDS[meta.dow]}`,
-        ];
-        if (meta.isDisabled) {
-            classNames.push('fc-slot-disabled');
-        }
-        else {
-            if (meta.isToday) {
-                classNames.push('fc-slot-today');
-                classNames.push(theme.getClass('today'));
-            }
-            if (meta.isPast) {
-                classNames.push('fc-slot-past');
-            }
-            if (meta.isFuture) {
-                classNames.push('fc-slot-future');
-            }
-        }
-        return classNames;
-    }
-
-    const DAY_FORMAT = createFormatter({ year: 'numeric', month: 'long', day: 'numeric' });
-    const WEEK_FORMAT = createFormatter({ week: 'long' });
-    function buildNavLinkAttrs(context, dateMarker, viewType = 'day', isTabbable = true) {
-        const { dateEnv, options, calendarApi } = context;
-        let dateStr = dateEnv.format(dateMarker, viewType === 'week' ? WEEK_FORMAT : DAY_FORMAT);
-        if (options.navLinks) {
-            let zonedDate = dateEnv.toDate(dateMarker);
-            const handleInteraction = (ev) => {
-                let customAction = viewType === 'day' ? options.navLinkDayClick :
-                    viewType === 'week' ? options.navLinkWeekClick : null;
-                if (typeof customAction === 'function') {
-                    customAction.call(calendarApi, dateEnv.toDate(dateMarker), ev);
-                }
-                else {
-                    if (typeof customAction === 'string') {
-                        viewType = customAction;
-                    }
-                    calendarApi.zoomTo(dateMarker, viewType);
-                }
-            };
-            return Object.assign({ title: formatWithOrdinals(options.navLinkHint, [dateStr, zonedDate], dateStr), 'data-navlink': '' }, (isTabbable
-                ? createAriaClickAttrs(handleInteraction)
-                : { onClick: handleInteraction }));
-        }
-        return { 'aria-label': dateStr };
-    }
-
-    let _isRtlScrollbarOnLeft = null;
-    function getIsRtlScrollbarOnLeft() {
-        if (_isRtlScrollbarOnLeft === null) {
-            _isRtlScrollbarOnLeft = computeIsRtlScrollbarOnLeft();
-        }
-        return _isRtlScrollbarOnLeft;
-    }
-    function computeIsRtlScrollbarOnLeft() {
-        let outerEl = document.createElement('div');
-        applyStyle(outerEl, {
-            position: 'absolute',
-            top: -1000,
-            left: 0,
-            border: 0,
-            padding: 0,
-            overflow: 'scroll',
-            direction: 'rtl',
-        });
-        outerEl.innerHTML = '<div></div>';
-        document.body.appendChild(outerEl);
-        let innerEl = outerEl.firstChild;
-        let res = innerEl.getBoundingClientRect().left > outerEl.getBoundingClientRect().left;
-        removeElement(outerEl);
-        return res;
-    }
-
-    let _scrollbarWidths;
-    function getScrollbarWidths() {
-        if (!_scrollbarWidths) {
-            _scrollbarWidths = computeScrollbarWidths();
-        }
-        return _scrollbarWidths;
-    }
-    function computeScrollbarWidths() {
-        let el = document.createElement('div');
-        el.style.overflow = 'scroll';
-        el.style.position = 'absolute';
-        el.style.top = '-9999px';
-        el.style.left = '-9999px';
-        document.body.appendChild(el);
-        let res = computeScrollbarWidthsForEl(el);
-        document.body.removeChild(el);
-        return res;
-    }
-    // WARNING: will include border
-    function computeScrollbarWidthsForEl(el) {
-        return {
-            x: el.offsetHeight - el.clientHeight,
-            y: el.offsetWidth - el.clientWidth,
-        };
-    }
-
-    function computeEdges(el, getPadding = false) {
-        let computedStyle = window.getComputedStyle(el);
-        let borderLeft = parseInt(computedStyle.borderLeftWidth, 10) || 0;
-        let borderRight = parseInt(computedStyle.borderRightWidth, 10) || 0;
-        let borderTop = parseInt(computedStyle.borderTopWidth, 10) || 0;
-        let borderBottom = parseInt(computedStyle.borderBottomWidth, 10) || 0;
-        let badScrollbarWidths = computeScrollbarWidthsForEl(el); // includes border!
-        let scrollbarLeftRight = badScrollbarWidths.y - borderLeft - borderRight;
-        let scrollbarBottom = badScrollbarWidths.x - borderTop - borderBottom;
-        let res = {
-            borderLeft,
-            borderRight,
-            borderTop,
-            borderBottom,
-            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 = false, doFromWindowViewport) {
-        let outerRect = doFromWindowViewport ? el.getBoundingClientRect() : computeRect(el);
-        let edges = computeEdges(el, goWithinPadding);
-        let 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) {
-        let rect = el.getBoundingClientRect();
-        return {
-            left: rect.left + window.scrollX,
-            top: rect.top + window.scrollY,
-            right: rect.right + window.scrollX,
-            bottom: rect.bottom + window.scrollY,
-        };
-    }
-    function computeClippedClientRect(el) {
-        let clippingParents = getClippingParents(el);
-        let rect = el.getBoundingClientRect();
-        for (let clippingParent of clippingParents) {
-            let intersection = intersectRects(rect, clippingParent.getBoundingClientRect());
-            if (intersection) {
-                rect = intersection;
-            }
-            else {
-                return null;
-            }
-        }
-        return rect;
-    }
-    // does not return window
-    function getClippingParents(el) {
-        let parents = [];
-        while (el instanceof HTMLElement) { // will stop when gets to document or null
-            let 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;
-    }
-
-    /*
-    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.
-    */
-    class PositionCache {
-        constructor(originEl, els, isHorizontal, isVertical) {
-            this.els = els;
-            let originClientRect = this.originClientRect = originEl.getBoundingClientRect(); // relative to viewport top-left
-            if (isHorizontal) {
-                this.buildElHorizontals(originClientRect.left);
-            }
-            if (isVertical) {
-                this.buildElVerticals(originClientRect.top);
-            }
-        }
-        // Populates the left/right internal coordinate arrays
-        buildElHorizontals(originClientLeft) {
-            let lefts = [];
-            let rights = [];
-            for (let el of this.els) {
-                let 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
-        buildElVerticals(originClientTop) {
-            let tops = [];
-            let bottoms = [];
-            for (let el of this.els) {
-                let 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.
-        leftToIndex(leftPosition) {
-            let { lefts, rights } = this;
-            let len = lefts.length;
-            let i;
-            for (i = 0; i < len; i += 1) {
-                if (leftPosition >= lefts[i] && leftPosition < rights[i]) {
-                    return i;
-                }
-            }
-            return undefined; // TODO: better
-        }
-        // Given a top offset (from document top), returns the index of the el that it vertically intersects.
-        // If no intersection is made, returns undefined.
-        topToIndex(topPosition) {
-            let { tops, bottoms } = this;
-            let len = tops.length;
-            let i;
-            for (i = 0; i < len; i += 1) {
-                if (topPosition >= tops[i] && topPosition < bottoms[i]) {
-                    return i;
-                }
-            }
-            return undefined; // TODO: better
-        }
-        // Gets the width of the element at the given index
-        getWidth(leftIndex) {
-            return this.rights[leftIndex] - this.lefts[leftIndex];
-        }
-        // Gets the height of the element at the given index
-        getHeight(topIndex) {
-            return this.bottoms[topIndex] - this.tops[topIndex];
-        }
-        similarTo(otherCache) {
-            return similarNumArrays(this.tops || [], otherCache.tops || []) &&
-                similarNumArrays(this.bottoms || [], otherCache.bottoms || []) &&
-                similarNumArrays(this.lefts || [], otherCache.lefts || []) &&
-                similarNumArrays(this.rights || [], otherCache.rights || []);
-        }
-    }
-    function similarNumArrays(a, b) {
-        const len = a.length;
-        if (len !== b.length) {
-            return false;
-        }
-        for (let i = 0; i < len; i++) {
-            if (Math.round(a[i]) !== Math.round(b[i])) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    /* eslint max-classes-per-file: "off" */
-    /*
-    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.
-    */
-    class ScrollController {
-        getMaxScrollTop() {
-            return this.getScrollHeight() - this.getClientHeight();
-        }
-        getMaxScrollLeft() {
-            return this.getScrollWidth() - this.getClientWidth();
-        }
-        canScrollVertically() {
-            return this.getMaxScrollTop() > 0;
-        }
-        canScrollHorizontally() {
-            return this.getMaxScrollLeft() > 0;
-        }
-        canScrollUp() {
-            return this.getScrollTop() > 0;
-        }
-        canScrollDown() {
-            return this.getScrollTop() < this.getMaxScrollTop();
-        }
-        canScrollLeft() {
-            return this.getScrollLeft() > 0;
-        }
-        canScrollRight() {
-            return this.getScrollLeft() < this.getMaxScrollLeft();
-        }
-    }
-    class ElementScrollController extends ScrollController {
-        constructor(el) {
-            super();
-            this.el = el;
-        }
-        getScrollTop() {
-            return this.el.scrollTop;
-        }
-        getScrollLeft() {
-            return this.el.scrollLeft;
-        }
-        setScrollTop(top) {
-            this.el.scrollTop = top;
-        }
-        setScrollLeft(left) {
-            this.el.scrollLeft = left;
-        }
-        getScrollWidth() {
-            return this.el.scrollWidth;
-        }
-        getScrollHeight() {
-            return this.el.scrollHeight;
-        }
-        getClientHeight() {
-            return this.el.clientHeight;
-        }
-        getClientWidth() {
-            return this.el.clientWidth;
-        }
-    }
-    class WindowScrollController extends ScrollController {
-        getScrollTop() {
-            return window.scrollY;
-        }
-        getScrollLeft() {
-            return window.scrollX;
-        }
-        setScrollTop(n) {
-            window.scroll(window.scrollX, n);
-        }
-        setScrollLeft(n) {
-            window.scroll(n, window.scrollY);
-        }
-        getScrollWidth() {
-            return document.documentElement.scrollWidth;
-        }
-        getScrollHeight() {
-            return document.documentElement.scrollHeight;
-        }
-        getClientHeight() {
-            return document.documentElement.clientHeight;
-        }
-        getClientWidth() {
-            return document.documentElement.clientWidth;
-        }
-    }
-
-    /*
-    an INTERACTABLE date component
-
-    PURPOSES:
-    - hook up to fg, fill, and mirror renderers
-    - interface for dragging and hits
-    */
-    class DateComponent extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.uid = guid();
-        }
-        // Hit System
-        // -----------------------------------------------------------------------------------------------------------------
-        prepareHits() {
-        }
-        queryHit(positionLeft, positionTop, elWidth, elHeight) {
-            return null; // this should be abstract
-        }
-        // Pointer Interaction Utils
-        // -----------------------------------------------------------------------------------------------------------------
-        isValidSegDownEl(el) {
-            return !this.props.eventDrag && // HACK
-                !this.props.eventResize && // HACK
-                !elementClosest(el, '.fc-event-mirror');
-        }
-        isValidDateDownEl(el) {
-            return !elementClosest(el, '.fc-event:not(.fc-bg-event)') &&
-                !elementClosest(el, '.fc-more-link') && // a "more.." link
-                !elementClosest(el, 'a[data-navlink]') && // a clickable nav link
-                !elementClosest(el, '.fc-popover'); // hack
-        }
-    }
-
-    class NamedTimeZoneImpl {
-        constructor(timeZoneName) {
-            this.timeZoneName = timeZoneName;
-        }
-    }
-
-    class SegHierarchy {
-        constructor(getEntryThickness = (entry) => {
-            // if no thickness known, assume 1 (if 0, so small it always fits)
-            return entry.thickness || 1;
-        }) {
-            this.getEntryThickness = getEntryThickness;
-            // settings
-            this.strictOrder = false;
-            this.allowReslicing = false;
-            this.maxCoord = -1; // -1 means no max
-            this.maxStackCnt = -1; // -1 means no max
-            this.levelCoords = []; // ordered
-            this.entriesByLevel = []; // parallel with levelCoords
-            this.stackCnts = {}; // TODO: use better technique!?
-        }
-        addSegs(inputs) {
-            let hiddenEntries = [];
-            for (let input of inputs) {
-                this.insertEntry(input, hiddenEntries);
-            }
-            return hiddenEntries;
-        }
-        insertEntry(entry, hiddenEntries) {
-            let insertion = this.findInsertion(entry);
-            if (this.isInsertionValid(insertion, entry)) {
-                this.insertEntryAt(entry, insertion);
-            }
-            else {
-                this.handleInvalidInsertion(insertion, entry, hiddenEntries);
-            }
-        }
-        isInsertionValid(insertion, entry) {
-            return (this.maxCoord === -1 || insertion.levelCoord + this.getEntryThickness(entry) <= this.maxCoord) &&
-                (this.maxStackCnt === -1 || insertion.stackCnt < this.maxStackCnt);
-        }
-        handleInvalidInsertion(insertion, entry, hiddenEntries) {
-            if (this.allowReslicing && insertion.touchingEntry) {
-                const hiddenEntry = Object.assign(Object.assign({}, entry), { span: intersectSpans(entry.span, insertion.touchingEntry.span) });
-                hiddenEntries.push(hiddenEntry);
-                this.splitEntry(entry, insertion.touchingEntry, hiddenEntries);
-            }
-            else {
-                hiddenEntries.push(entry);
-            }
-        }
-        /*
-        Does NOT add what hit the `barrier` into hiddenEntries. Should already be done.
-        */
-        splitEntry(entry, barrier, hiddenEntries) {
-            let entrySpan = entry.span;
-            let barrierSpan = barrier.span;
-            if (entrySpan.start < barrierSpan.start) {
-                this.insertEntry({
-                    index: entry.index,
-                    thickness: entry.thickness,
-                    span: { start: entrySpan.start, end: barrierSpan.start },
-                }, hiddenEntries);
-            }
-            if (entrySpan.end > barrierSpan.end) {
-                this.insertEntry({
-                    index: entry.index,
-                    thickness: entry.thickness,
-                    span: { start: barrierSpan.end, end: entrySpan.end },
-                }, hiddenEntries);
-            }
-        }
-        insertEntryAt(entry, insertion) {
-            let { entriesByLevel, levelCoords } = this;
-            if (insertion.lateral === -1) {
-                // create a new level
-                insertAt(levelCoords, insertion.level, insertion.levelCoord);
-                insertAt(entriesByLevel, insertion.level, [entry]);
-            }
-            else {
-                // insert into existing level
-                insertAt(entriesByLevel[insertion.level], insertion.lateral, entry);
-            }
-            this.stackCnts[buildEntryKey(entry)] = insertion.stackCnt;
-        }
-        /*
-        does not care about limits
-        */
-        findInsertion(newEntry) {
-            let { levelCoords, entriesByLevel, strictOrder, stackCnts } = this;
-            let levelCnt = levelCoords.length;
-            let candidateCoord = 0;
-            let touchingLevel = -1;
-            let touchingLateral = -1;
-            let touchingEntry = null;
-            let stackCnt = 0;
-            for (let trackingLevel = 0; trackingLevel < levelCnt; trackingLevel += 1) {
-                const trackingCoord = levelCoords[trackingLevel];
-                // if the current level is past the placed entry, we have found a good empty space and can stop.
-                // if strictOrder, keep finding more lateral intersections.
-                if (!strictOrder && trackingCoord >= candidateCoord + this.getEntryThickness(newEntry)) {
-                    break;
-                }
-                let trackingEntries = entriesByLevel[trackingLevel];
-                let trackingEntry;
-                let searchRes = binarySearch(trackingEntries, newEntry.span.start, getEntrySpanEnd); // find first entry after newEntry's end
-                let lateralIndex = searchRes[0] + searchRes[1]; // if exact match (which doesn't collide), go to next one
-                while ( // loop through entries that horizontally intersect
-                (trackingEntry = trackingEntries[lateralIndex]) && // but not past the whole entry list
-                    trackingEntry.span.start < newEntry.span.end // and not entirely past newEntry
-                ) {
-                    let trackingEntryBottom = trackingCoord + this.getEntryThickness(trackingEntry);
-                    // intersects into the top of the candidate?
-                    if (trackingEntryBottom > candidateCoord) {
-                        candidateCoord = trackingEntryBottom;
-                        touchingEntry = trackingEntry;
-                        touchingLevel = trackingLevel;
-                        touchingLateral = lateralIndex;
-                    }
-                    // butts up against top of candidate? (will happen if just intersected as well)
-                    if (trackingEntryBottom === candidateCoord) {
-                        // accumulate the highest possible stackCnt of the trackingEntries that butt up
-                        stackCnt = Math.max(stackCnt, stackCnts[buildEntryKey(trackingEntry)] + 1);
-                    }
-                    lateralIndex += 1;
-                }
-            }
-            // the destination level will be after touchingEntry's level. find it
-            let destLevel = 0;
-            if (touchingEntry) {
-                destLevel = touchingLevel + 1;
-                while (destLevel < levelCnt && levelCoords[destLevel] < candidateCoord) {
-                    destLevel += 1;
-                }
-            }
-            // if adding to an existing level, find where to insert
-            let destLateral = -1;
-            if (destLevel < levelCnt && levelCoords[destLevel] === candidateCoord) {
-                destLateral = binarySearch(entriesByLevel[destLevel], newEntry.span.end, getEntrySpanEnd)[0];
-            }
-            return {
-                touchingLevel,
-                touchingLateral,
-                touchingEntry,
-                stackCnt,
-                levelCoord: candidateCoord,
-                level: destLevel,
-                lateral: destLateral,
-            };
-        }
-        // sorted by levelCoord (lowest to highest)
-        toRects() {
-            let { entriesByLevel, levelCoords } = this;
-            let levelCnt = entriesByLevel.length;
-            let rects = [];
-            for (let level = 0; level < levelCnt; level += 1) {
-                let entries = entriesByLevel[level];
-                let levelCoord = levelCoords[level];
-                for (let entry of entries) {
-                    rects.push(Object.assign(Object.assign({}, entry), { thickness: this.getEntryThickness(entry), levelCoord }));
-                }
-            }
-            return rects;
-        }
-    }
-    function getEntrySpanEnd(entry) {
-        return entry.span.end;
-    }
-    function buildEntryKey(entry) {
-        return entry.index + ':' + entry.span.start;
-    }
-    // returns groups with entries sorted by input order
-    function groupIntersectingEntries(entries) {
-        let merges = [];
-        for (let entry of entries) {
-            let filteredMerges = [];
-            let hungryMerge = {
-                span: entry.span,
-                entries: [entry],
-            };
-            for (let merge of merges) {
-                if (intersectSpans(merge.span, hungryMerge.span)) {
-                    hungryMerge = {
-                        entries: merge.entries.concat(hungryMerge.entries),
-                        span: joinSpans(merge.span, hungryMerge.span),
-                    };
-                }
-                else {
-                    filteredMerges.push(merge);
-                }
-            }
-            filteredMerges.push(hungryMerge);
-            merges = filteredMerges;
-        }
-        return merges;
-    }
-    function joinSpans(span0, span1) {
-        return {
-            start: Math.min(span0.start, span1.start),
-            end: Math.max(span0.end, span1.end),
-        };
-    }
-    function intersectSpans(span0, span1) {
-        let start = Math.max(span0.start, span1.start);
-        let end = Math.min(span0.end, span1.end);
-        if (start < end) {
-            return { start, end };
-        }
-        return null;
-    }
-    // general util
-    // ---------------------------------------------------------------------------------------------------------------------
-    function insertAt(arr, index, item) {
-        arr.splice(index, 0, item);
-    }
-    function binarySearch(a, searchVal, getItemVal) {
-        let startIndex = 0;
-        let endIndex = a.length; // exclusive
-        if (!endIndex || searchVal < getItemVal(a[startIndex])) { // no items OR before first item
-            return [0, 0];
-        }
-        if (searchVal > getItemVal(a[endIndex - 1])) { // after last item
-            return [endIndex, 0];
-        }
-        while (startIndex < endIndex) {
-            let middleIndex = Math.floor(startIndex + (endIndex - startIndex) / 2);
-            let middleVal = getItemVal(a[middleIndex]);
-            if (searchVal < middleVal) {
-                endIndex = middleIndex;
-            }
-            else if (searchVal > middleVal) {
-                startIndex = middleIndex + 1;
-            }
-            else { // equal!
-                return [middleIndex, 1];
-            }
-        }
-        return [startIndex, 0];
-    }
-
-    /*
-    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
-    */
-    class ElementDragging {
-        constructor(el, selector) {
-            this.emitter = new Emitter();
-        }
-        destroy() {
-        }
-        setMirrorIsVisible(bool) {
-            // optional if subclass doesn't want to support a mirror
-        }
-        setMirrorNeedsRevert(bool) {
-            // optional if subclass doesn't want to support a mirror
-        }
-        setAutoScrollEnabled(bool) {
-            // optional
-        }
-    }
-
-    // TODO: get rid of this in favor of options system,
-    // tho it's really easy to access this globally rather than pass thru options.
-    const config = {};
-
-    /*
-    Information about what will happen when an external element is dragged-and-dropped
-    onto a calendar. Contains information for creating an event.
-    */
-    const DRAG_META_REFINERS = {
-        startTime: createDuration,
-        duration: createDuration,
-        create: Boolean,
-        sourceId: String,
-    };
-    function parseDragMeta(raw) {
-        let { refined, extra } = refineProps(raw, DRAG_META_REFINERS);
-        return {
-            startTime: refined.startTime || null,
-            duration: refined.duration || null,
-            create: refined.create != null ? refined.create : true,
-            sourceId: refined.sourceId,
-            leftoverProps: extra,
-        };
-    }
-
-    // Computes a default column header formatting string if `colFormat` is not explicitly defined
-    function computeFallbackHeaderFormat(datesRepDistinctDays, dayCnt) {
-        // if more than one week row, or if there are a lot of columns with not much space,
-        // put just the day numbers will be in each cell
-        if (!datesRepDistinctDays || dayCnt > 10) {
-            return createFormatter({ weekday: 'short' }); // "Sat"
-        }
-        if (dayCnt > 1) {
-            return createFormatter({ weekday: 'short', month: 'numeric', day: 'numeric', omitCommas: true }); // "Sat 11/12"
-        }
-        return createFormatter({ weekday: 'long' }); // "Saturday"
-    }
-
-    const CLASS_NAME = 'fc-col-header-cell'; // do the cushion too? no
-    function renderInner$1(renderProps) {
-        return renderProps.text;
-    }
-
-    // BAD name for this class now. used in the Header
-    class TableDateCell extends BaseComponent {
-        render() {
-            let { dateEnv, options, theme, viewApi } = this.context;
-            let { props } = this;
-            let { date, dateProfile } = props;
-            let dayMeta = getDateMeta(date, props.todayRange, null, dateProfile);
-            let classNames = [CLASS_NAME].concat(getDayClassNames(dayMeta, theme));
-            let text = dateEnv.format(date, props.dayHeaderFormat);
-            // if colCnt is 1, we are already in a day-view and don't need a navlink
-            let navLinkAttrs = (!dayMeta.isDisabled && props.colCnt > 1)
-                ? buildNavLinkAttrs(this.context, date)
-                : {};
-            let publicDate = dateEnv.toDate(date);
-            // workaround for Luxon (and maybe moment) returning prior-days when start-of-day
-            // in DST gap: https://github.com/fullcalendar/fullcalendar/issues/7633
-            if (dateEnv.namedTimeZoneImpl) {
-                publicDate = addMs(publicDate, 3600000); // add an hour
-            }
-            let renderProps = Object.assign(Object.assign(Object.assign({ date: publicDate, view: viewApi }, props.extraRenderProps), { text }), dayMeta);
-            return (y(ContentContainer, { elTag: "th", elClasses: classNames, elAttrs: Object.assign({ role: 'columnheader', colSpan: props.colSpan, 'data-date': !dayMeta.isDisabled ? formatDayString(date) : undefined }, props.extraDataAttrs), renderProps: renderProps, generatorName: "dayHeaderContent", customGenerator: options.dayHeaderContent, defaultGenerator: renderInner$1, classNameGenerator: options.dayHeaderClassNames, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, (InnerContainer) => (y("div", { className: "fc-scrollgrid-sync-inner" }, !dayMeta.isDisabled && (y(InnerContainer, { elTag: "a", elAttrs: navLinkAttrs, elClasses: [
-                    'fc-col-header-cell-cushion',
-                    props.isSticky && 'fc-sticky',
-                ] }))))));
-        }
-    }
-
-    const WEEKDAY_FORMAT = createFormatter({ weekday: 'long' });
-    class TableDowCell extends BaseComponent {
-        render() {
-            let { props } = this;
-            let { dateEnv, theme, viewApi, options } = this.context;
-            let date = addDays(new Date(259200000), props.dow); // start with Sun, 04 Jan 1970 00:00:00 GMT
-            let dateMeta = {
-                dow: props.dow,
-                isDisabled: false,
-                isFuture: false,
-                isPast: false,
-                isToday: false,
-                isOther: false,
-            };
-            let text = dateEnv.format(date, props.dayHeaderFormat);
-            let renderProps = Object.assign(Object.assign(Object.assign(Object.assign({ // TODO: make this public?
-                date }, dateMeta), { view: viewApi }), props.extraRenderProps), { text });
-            return (y(ContentContainer, { elTag: "th", elClasses: [
-                    CLASS_NAME,
-                    ...getDayClassNames(dateMeta, theme),
-                    ...(props.extraClassNames || []),
-                ], elAttrs: Object.assign({ role: 'columnheader', colSpan: props.colSpan }, props.extraDataAttrs), renderProps: renderProps, generatorName: "dayHeaderContent", customGenerator: options.dayHeaderContent, defaultGenerator: renderInner$1, classNameGenerator: options.dayHeaderClassNames, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, (InnerContent) => (y("div", { className: "fc-scrollgrid-sync-inner" },
-                y(InnerContent, { elTag: "a", elClasses: [
-                        'fc-col-header-cell-cushion',
-                        props.isSticky && 'fc-sticky',
-                    ], elAttrs: {
-                        'aria-label': dateEnv.format(date, WEEKDAY_FORMAT),
-                    } })))));
-        }
-    }
-
-    class DayHeader extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.createDayHeaderFormatter = memoize(createDayHeaderFormatter);
-        }
-        render() {
-            let { context } = this;
-            let { dates, dateProfile, datesRepDistinctDays, renderIntro } = this.props;
-            let dayHeaderFormat = this.createDayHeaderFormatter(context.options.dayHeaderFormat, datesRepDistinctDays, dates.length);
-            return (y(NowTimer, { unit: "day" }, (nowDate, todayRange) => (y("tr", { role: "row" },
-                renderIntro && renderIntro('day'),
-                dates.map((date) => (datesRepDistinctDays ? (y(TableDateCell, { key: date.toISOString(), date: date, dateProfile: dateProfile, todayRange: todayRange, colCnt: dates.length, dayHeaderFormat: dayHeaderFormat })) : (y(TableDowCell, { key: date.getUTCDay(), dow: date.getUTCDay(), dayHeaderFormat: dayHeaderFormat }))))))));
-        }
-    }
-    function createDayHeaderFormatter(explicitFormat, datesRepDistinctDays, dateCnt) {
-        return explicitFormat || computeFallbackHeaderFormat(datesRepDistinctDays, dateCnt);
-    }
-
-    class DaySeriesModel {
-        constructor(range, dateProfileGenerator) {
-            let date = range.start;
-            let { end } = range;
-            let indices = [];
-            let dates = [];
-            let 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 += 1;
-                    indices.push(dayIndex);
-                    dates.push(date);
-                }
-                date = addDays(date, 1);
-            }
-            this.dates = dates;
-            this.indices = indices;
-            this.cnt = dates.length;
-        }
-        sliceRange(range) {
-            let firstIndex = this.getDateDayIndex(range.start); // inclusive first index
-            let lastIndex = this.getDateDayIndex(addDays(range.end, -1)); // inclusive last index
-            let clippedFirstIndex = Math.max(0, firstIndex);
-            let 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,
-                };
-            }
-            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.
-        getDateDayIndex(date) {
-            let { indices } = this;
-            let dayOffset = Math.floor(diffDays(this.dates[0], date));
-            if (dayOffset < 0) {
-                return indices[0] - 1;
-            }
-            if (dayOffset >= indices.length) {
-                return indices[indices.length - 1] + 1;
-            }
-            return indices[dayOffset];
-        }
-    }
-
-    class DayTableModel {
-        constructor(daySeries, breakOnWeeks) {
-            let { dates } = daySeries;
-            let daysPerRow;
-            let firstDay;
-            let rowCnt;
-            if (breakOnWeeks) {
-                // count columns until the day-of-week repeats
-                firstDay = dates[0].getUTCDay();
-                for (daysPerRow = 1; daysPerRow < dates.length; daysPerRow += 1) {
-                    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();
-        }
-        buildCells() {
-            let rows = [];
-            for (let row = 0; row < this.rowCnt; row += 1) {
-                let cells = [];
-                for (let col = 0; col < this.colCnt; col += 1) {
-                    cells.push(this.buildCell(row, col));
-                }
-                rows.push(cells);
-            }
-            return rows;
-        }
-        buildCell(row, col) {
-            let date = this.daySeries.dates[row * this.colCnt + col];
-            return {
-                key: date.toISOString(),
-                date,
-            };
-        }
-        buildHeaderDates() {
-            let dates = [];
-            for (let col = 0; col < this.colCnt; col += 1) {
-                dates.push(this.cells[0][col].date);
-            }
-            return dates;
-        }
-        sliceRange(range) {
-            let { colCnt } = this;
-            let seriesSeg = this.daySeries.sliceRange(range);
-            let segs = [];
-            if (seriesSeg) {
-                let { firstIndex, lastIndex } = seriesSeg;
-                let index = firstIndex;
-                while (index <= lastIndex) {
-                    let row = Math.floor(index / colCnt);
-                    let nextIndex = Math.min((row + 1) * colCnt, lastIndex + 1);
-                    segs.push({
-                        row,
-                        firstCol: index % colCnt,
-                        lastCol: (nextIndex - 1) % colCnt,
-                        isStart: seriesSeg.isStart && index === firstIndex,
-                        isEnd: seriesSeg.isEnd && (nextIndex - 1) === lastIndex,
-                    });
-                    index = nextIndex;
-                }
-            }
-            return segs;
-        }
-    }
-
-    class Slicer {
-        constructor() {
-            this.sliceBusinessHours = memoize(this._sliceBusinessHours);
-            this.sliceDateSelection = memoize(this._sliceDateSpan);
-            this.sliceEventStore = memoize(this._sliceEventStore);
-            this.sliceEventDrag = memoize(this._sliceInteraction);
-            this.sliceEventResize = memoize(this._sliceInteraction);
-            this.forceDayIfListItem = false; // hack
-        }
-        sliceProps(props, dateProfile, nextDayThreshold, context, ...extraArgs) {
-            let { eventUiBases } = props;
-            let eventSegs = this.sliceEventStore(props.eventStore, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs);
-            return {
-                dateSelectionSegs: this.sliceDateSelection(props.dateSelection, dateProfile, nextDayThreshold, eventUiBases, context, ...extraArgs),
-                businessHourSegs: this.sliceBusinessHours(props.businessHours, dateProfile, nextDayThreshold, context, ...extraArgs),
-                fgEventSegs: eventSegs.fg,
-                bgEventSegs: eventSegs.bg,
-                eventDrag: this.sliceEventDrag(props.eventDrag, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs),
-                eventResize: this.sliceEventResize(props.eventResize, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs),
-                eventSelection: props.eventSelection,
-            }; // TODO: give interactionSegs?
-        }
-        sliceNowDate(// does not memoize
-        date, dateProfile, nextDayThreshold, context, ...extraArgs) {
-            return this._sliceDateSpan({ range: { start: date, end: addMs(date, 1) }, allDay: false }, // add 1 ms, protect against null range
-            dateProfile, nextDayThreshold, {}, context, ...extraArgs);
-        }
-        _sliceBusinessHours(businessHours, dateProfile, nextDayThreshold, context, ...extraArgs) {
-            if (!businessHours) {
-                return [];
-            }
-            return this._sliceEventStore(expandRecurring(businessHours, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), context), {}, dateProfile, nextDayThreshold, ...extraArgs).bg;
-        }
-        _sliceEventStore(eventStore, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs) {
-            if (eventStore) {
-                let rangeRes = sliceEventStore(eventStore, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold);
-                return {
-                    bg: this.sliceEventRanges(rangeRes.bg, extraArgs),
-                    fg: this.sliceEventRanges(rangeRes.fg, extraArgs),
-                };
-            }
-            return { bg: [], fg: [] };
-        }
-        _sliceInteraction(interaction, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs) {
-            if (!interaction) {
-                return null;
-            }
-            let rangeRes = sliceEventStore(interaction.mutatedEvents, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold);
-            return {
-                segs: this.sliceEventRanges(rangeRes.fg, extraArgs),
-                affectedInstances: interaction.affectedEvents.instances,
-                isEvent: interaction.isEvent,
-            };
-        }
-        _sliceDateSpan(dateSpan, dateProfile, nextDayThreshold, eventUiBases, context, ...extraArgs) {
-            if (!dateSpan) {
-                return [];
-            }
-            let activeRange = computeActiveRange(dateProfile, Boolean(nextDayThreshold));
-            let activeDateSpanRange = intersectRanges(dateSpan.range, activeRange);
-            if (activeDateSpanRange) {
-                dateSpan = Object.assign(Object.assign({}, dateSpan), { range: activeDateSpanRange });
-                let eventRange = fabricateEventRange(dateSpan, eventUiBases, context);
-                let segs = this.sliceRange(dateSpan.range, ...extraArgs);
-                for (let seg of segs) {
-                    seg.eventRange = eventRange;
-                }
-                return segs;
-            }
-            return [];
-        }
-        /*
-        "complete" seg means it has component and eventRange
-        */
-        sliceEventRanges(eventRanges, extraArgs) {
-            let segs = [];
-            for (let eventRange of eventRanges) {
-                segs.push(...this.sliceEventRange(eventRange, extraArgs));
-            }
-            return segs;
-        }
-        /*
-        "complete" seg means it has component and eventRange
-        */
-        sliceEventRange(eventRange, extraArgs) {
-            let dateRange = eventRange.range;
-            // hack to make multi-day events that are being force-displayed as list-items to take up only one day
-            if (this.forceDayIfListItem && eventRange.ui.display === 'list-item') {
-                dateRange = {
-                    start: dateRange.start,
-                    end: addDays(dateRange.start, 1),
-                };
-            }
-            let segs = this.sliceRange(dateRange, ...extraArgs);
-            for (let seg of segs) {
-                seg.eventRange = eventRange;
-                seg.isStart = eventRange.isStart && seg.isStart;
-                seg.isEnd = eventRange.isEnd && seg.isEnd;
-            }
-            return segs;
-        }
-    }
-    /*
-    for incorporating slotMinTime/slotMaxTime if appropriate
-    TODO: should be part of DateProfile!
-    TimelineDateProfile already does this btw
-    */
-    function computeActiveRange(dateProfile, isComponentAllDay) {
-        let range = dateProfile.activeRange;
-        if (isComponentAllDay) {
-            return range;
-        }
-        return {
-            start: addMs(range.start, dateProfile.slotMinTime.milliseconds),
-            end: addMs(range.end, dateProfile.slotMaxTime.milliseconds - 864e5), // 864e5 = ms in a day
-        };
-    }
-
-    // high-level segmenting-aware tester functions
-    // ------------------------------------------------------------------------------------------------------------------------
-    function isInteractionValid(interaction, dateProfile, context) {
-        let { instances } = interaction.mutatedEvents;
-        for (let instanceId in instances) {
-            if (!rangeContainsRange(dateProfile.validRange, instances[instanceId].range)) {
-                return false;
-            }
-        }
-        return isNewPropsValid({ eventDrag: interaction }, context); // HACK: the eventDrag props is used for ALL interactions
-    }
-    function isDateSelectionValid(dateSelection, dateProfile, context) {
-        if (!rangeContainsRange(dateProfile.validRange, dateSelection.range)) {
-            return false;
-        }
-        return isNewPropsValid({ dateSelection }, context);
-    }
-    function isNewPropsValid(newProps, context) {
-        let calendarState = context.getCurrentData();
-        let props = Object.assign({ businessHours: calendarState.businessHours, dateSelection: '', eventStore: calendarState.eventStore, eventUiBases: calendarState.eventUiBases, eventSelection: '', eventDrag: null, eventResize: null }, newProps);
-        return (context.pluginHooks.isPropsValid || isPropsValid)(props, context);
-    }
-    function isPropsValid(state, context, dateSpanMeta = {}, filterConfig) {
-        if (state.eventDrag && !isInteractionPropsValid(state, context, dateSpanMeta, filterConfig)) {
-            return false;
-        }
-        if (state.dateSelection && !isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig)) {
-            return false;
-        }
-        return true;
-    }
-    // Moving Event Validation
-    // ------------------------------------------------------------------------------------------------------------------------
-    function isInteractionPropsValid(state, context, dateSpanMeta, filterConfig) {
-        let currentState = context.getCurrentData();
-        let interaction = state.eventDrag; // HACK: the eventDrag props is used for ALL interactions
-        let subjectEventStore = interaction.mutatedEvents;
-        let subjectDefs = subjectEventStore.defs;
-        let subjectInstances = subjectEventStore.instances;
-        let subjectConfigs = compileEventUis(subjectDefs, interaction.isEvent ?
-            state.eventUiBases :
-            { '': currentState.selectionConfig });
-        if (filterConfig) {
-            subjectConfigs = mapHash(subjectConfigs, filterConfig);
-        }
-        // exclude the subject events. TODO: exclude defs too?
-        let otherEventStore = excludeInstances(state.eventStore, interaction.affectedEvents.instances);
-        let otherDefs = otherEventStore.defs;
-        let otherInstances = otherEventStore.instances;
-        let otherConfigs = compileEventUis(otherDefs, state.eventUiBases);
-        for (let subjectInstanceId in subjectInstances) {
-            let subjectInstance = subjectInstances[subjectInstanceId];
-            let subjectRange = subjectInstance.range;
-            let subjectConfig = subjectConfigs[subjectInstance.defId];
-            let subjectDef = subjectDefs[subjectInstance.defId];
-            // constraint
-            if (!allConstraintsPass(subjectConfig.constraints, subjectRange, otherEventStore, state.businessHours, context)) {
-                return false;
-            }
-            // overlap
-            let { eventOverlap } = context.options;
-            let eventOverlapFunc = typeof eventOverlap === 'function' ? eventOverlap : null;
-            for (let otherInstanceId in otherInstances) {
-                let otherInstance = otherInstances[otherInstanceId];
-                // intersect! evaluate
-                if (rangesIntersect(subjectRange, otherInstance.range)) {
-                    let otherOverlap = otherConfigs[otherInstance.defId].overlap;
-                    // consider the other event's overlap. only do this if the subject event is a "real" event
-                    if (otherOverlap === false && interaction.isEvent) {
-                        return false;
-                    }
-                    if (subjectConfig.overlap === false) {
-                        return false;
-                    }
-                    if (eventOverlapFunc && !eventOverlapFunc(new EventImpl(context, otherDefs[otherInstance.defId], otherInstance), // still event
-                    new EventImpl(context, subjectDef, subjectInstance))) {
-                        return false;
-                    }
-                }
-            }
-            // allow (a function)
-            let calendarEventStore = currentState.eventStore; // need global-to-calendar, not local to component (splittable)state
-            for (let subjectAllow of subjectConfig.allows) {
-                let subjectDateSpan = Object.assign(Object.assign({}, dateSpanMeta), { range: subjectInstance.range, allDay: subjectDef.allDay });
-                let origDef = calendarEventStore.defs[subjectDef.defId];
-                let origInstance = calendarEventStore.instances[subjectInstanceId];
-                let eventApi;
-                if (origDef) { // was previously in the calendar
-                    eventApi = new EventImpl(context, origDef, origInstance);
-                }
-                else { // was an external event
-                    eventApi = new EventImpl(context, subjectDef); // no instance, because had no dates
-                }
-                if (!subjectAllow(buildDateSpanApiWithContext(subjectDateSpan, context), eventApi)) {
-                    return false;
-                }
-            }
-        }
-        return true;
-    }
-    // Date Selection Validation
-    // ------------------------------------------------------------------------------------------------------------------------
-    function isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig) {
-        let relevantEventStore = state.eventStore;
-        let relevantDefs = relevantEventStore.defs;
-        let relevantInstances = relevantEventStore.instances;
-        let selection = state.dateSelection;
-        let selectionRange = selection.range;
-        let { selectionConfig } = context.getCurrentData();
-        if (filterConfig) {
-            selectionConfig = filterConfig(selectionConfig);
-        }
-        // constraint
-        if (!allConstraintsPass(selectionConfig.constraints, selectionRange, relevantEventStore, state.businessHours, context)) {
-            return false;
-        }
-        // overlap
-        let { selectOverlap } = context.options;
-        let selectOverlapFunc = typeof selectOverlap === 'function' ? selectOverlap : null;
-        for (let relevantInstanceId in relevantInstances) {
-            let relevantInstance = relevantInstances[relevantInstanceId];
-            // intersect! evaluate
-            if (rangesIntersect(selectionRange, relevantInstance.range)) {
-                if (selectionConfig.overlap === false) {
-                    return false;
-                }
-                if (selectOverlapFunc && !selectOverlapFunc(new EventImpl(context, relevantDefs[relevantInstance.defId], relevantInstance), null)) {
-                    return false;
-                }
-            }
-        }
-        // allow (a function)
-        for (let selectionAllow of selectionConfig.allows) {
-            let fullDateSpan = Object.assign(Object.assign({}, dateSpanMeta), selection);
-            if (!selectionAllow(buildDateSpanApiWithContext(fullDateSpan, context), null)) {
-                return false;
-            }
-        }
-        return true;
-    }
-    // Constraint Utils
-    // ------------------------------------------------------------------------------------------------------------------------
-    function allConstraintsPass(constraints, subjectRange, otherEventStore, businessHoursUnexpanded, context) {
-        for (let constraint of constraints) {
-            if (!anyRangesContainRange(constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, context), subjectRange)) {
-                return false;
-            }
-        }
-        return true;
-    }
-    function constraintToRanges(constraint, subjectRange, // for expanding a recurring constraint, or expanding business hours
-    otherEventStore, // for if constraint is an even group ID
-    businessHoursUnexpanded, // for if constraint is 'businessHours'
-    context) {
-        if (constraint === 'businessHours') {
-            return eventStoreToRanges(expandRecurring(businessHoursUnexpanded, subjectRange, context));
-        }
-        if (typeof constraint === 'string') { // an group ID
-            return eventStoreToRanges(filterEventStoreDefs(otherEventStore, (eventDef) => eventDef.groupId === constraint));
-        }
-        if (typeof constraint === 'object' && constraint) { // non-null object
-            return eventStoreToRanges(expandRecurring(constraint, subjectRange, context));
-        }
-        return []; // if it's false
-    }
-    // TODO: move to event-store file?
-    function eventStoreToRanges(eventStore) {
-        let { instances } = eventStore;
-        let ranges = [];
-        for (let instanceId in instances) {
-            ranges.push(instances[instanceId].range);
-        }
-        return ranges;
-    }
-    // TODO: move to geom file?
-    function anyRangesContainRange(outerRanges, innerRange) {
-        for (let outerRange of outerRanges) {
-            if (rangeContainsRange(outerRange, innerRange)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    const VISIBLE_HIDDEN_RE = /^(visible|hidden)$/;
-    class Scroller extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.handleEl = (el) => {
-                this.el = el;
-                setRef(this.props.elRef, el);
-            };
-        }
-        render() {
-            let { props } = this;
-            let { liquid, liquidIsAbsolute } = props;
-            let isAbsolute = liquid && liquidIsAbsolute;
-            let className = ['fc-scroller'];
-            if (liquid) {
-                if (liquidIsAbsolute) {
-                    className.push('fc-scroller-liquid-absolute');
-                }
-                else {
-                    className.push('fc-scroller-liquid');
-                }
-            }
-            return (y("div", { ref: this.handleEl, className: className.join(' '), style: {
-                    overflowX: props.overflowX,
-                    overflowY: props.overflowY,
-                    left: (isAbsolute && -(props.overcomeLeft || 0)) || '',
-                    right: (isAbsolute && -(props.overcomeRight || 0)) || '',
-                    bottom: (isAbsolute && -(props.overcomeBottom || 0)) || '',
-                    marginLeft: (!isAbsolute && -(props.overcomeLeft || 0)) || '',
-                    marginRight: (!isAbsolute && -(props.overcomeRight || 0)) || '',
-                    marginBottom: (!isAbsolute && -(props.overcomeBottom || 0)) || '',
-                    maxHeight: props.maxHeight || '',
-                } }, props.children));
-        }
-        needsXScrolling() {
-            if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
-                return false;
-            }
-            // testing scrollWidth>clientWidth is unreliable cross-browser when pixel heights aren't integers.
-            // much more reliable to see if children are taller than the scroller, even tho doesn't account for
-            // inner-child margins and absolute positioning
-            let { el } = this;
-            let realClientWidth = this.el.getBoundingClientRect().width - this.getYScrollbarWidth();
-            let { children } = el;
-            for (let i = 0; i < children.length; i += 1) {
-                let childEl = children[i];
-                if (childEl.getBoundingClientRect().width > realClientWidth) {
-                    return true;
-                }
-            }
-            return false;
-        }
-        needsYScrolling() {
-            if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
-                return false;
-            }
-            // testing scrollHeight>clientHeight is unreliable cross-browser when pixel heights aren't integers.
-            // much more reliable to see if children are taller than the scroller, even tho doesn't account for
-            // inner-child margins and absolute positioning
-            let { el } = this;
-            let realClientHeight = this.el.getBoundingClientRect().height - this.getXScrollbarWidth();
-            let { children } = el;
-            for (let i = 0; i < children.length; i += 1) {
-                let childEl = children[i];
-                if (childEl.getBoundingClientRect().height > realClientHeight) {
-                    return true;
-                }
-            }
-            return false;
-        }
-        getXScrollbarWidth() {
-            if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
-                return 0;
-            }
-            return this.el.offsetHeight - this.el.clientHeight; // only works because we guarantee no borders. TODO: add to CSS with important?
-        }
-        getYScrollbarWidth() {
-            if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
-                return 0;
-            }
-            return this.el.offsetWidth - this.el.clientWidth; // only works because we guarantee no borders. TODO: add to CSS with important?
-        }
-    }
-
-    /*
-    TODO: somehow infer OtherArgs from masterCallback?
-    TODO: infer RefType from masterCallback if provided
-    */
-    class RefMap {
-        constructor(masterCallback) {
-            this.masterCallback = masterCallback;
-            this.currentMap = {};
-            this.depths = {};
-            this.callbackMap = {};
-            this.handleValue = (val, key) => {
-                let { depths, currentMap } = this;
-                let removed = false;
-                let added = false;
-                if (val !== null) {
-                    // for bug... ACTUALLY: can probably do away with this now that callers don't share numeric indices anymore
-                    removed = (key in currentMap);
-                    currentMap[key] = val;
-                    depths[key] = (depths[key] || 0) + 1;
-                    added = true;
-                }
-                else {
-                    depths[key] -= 1;
-                    if (!depths[key]) {
-                        delete currentMap[key];
-                        delete this.callbackMap[key];
-                        removed = true;
-                    }
-                }
-                if (this.masterCallback) {
-                    if (removed) {
-                        this.masterCallback(null, String(key));
-                    }
-                    if (added) {
-                        this.masterCallback(val, String(key));
-                    }
-                }
-            };
-        }
-        createRef(key) {
-            let refCallback = this.callbackMap[key];
-            if (!refCallback) {
-                refCallback = this.callbackMap[key] = (val) => {
-                    this.handleValue(val, String(key));
-                };
-            }
-            return refCallback;
-        }
-        // TODO: check callers that don't care about order. should use getAll instead
-        // NOTE: this method has become less valuable now that we are encouraged to map order by some other index
-        // TODO: provide ONE array-export function, buildArray, which fails on non-numeric indexes. caller can manipulate and "collect"
-        collect(startIndex, endIndex, step) {
-            return collectFromHash(this.currentMap, startIndex, endIndex, step);
-        }
-        getAll() {
-            return hashValuesToArray(this.currentMap);
-        }
-    }
-
-    function computeShrinkWidth(chunkEls) {
-        let shrinkCells = findElements(chunkEls, '.fc-scrollgrid-shrink');
-        let largestWidth = 0;
-        for (let shrinkCell of shrinkCells) {
-            largestWidth = Math.max(largestWidth, computeSmallestCellWidth(shrinkCell));
-        }
-        return Math.ceil(largestWidth); // <table> elements work best with integers. round up to ensure contents fits
-    }
-    function getSectionHasLiquidHeight(props, sectionConfig) {
-        return props.liquid && sectionConfig.liquid; // does the section do liquid-height? (need to have whole scrollgrid liquid-height as well)
-    }
-    function getAllowYScrolling(props, sectionConfig) {
-        return sectionConfig.maxHeight != null || // if its possible for the height to max out, we might need scrollbars
-            getSectionHasLiquidHeight(props, sectionConfig); // if the section is liquid height, it might condense enough to require scrollbars
-    }
-    // TODO: ONLY use `arg`. force out internal function to use same API
-    function renderChunkContent(sectionConfig, chunkConfig, arg, isHeader) {
-        let { expandRows } = arg;
-        let content = typeof chunkConfig.content === 'function' ?
-            chunkConfig.content(arg) :
-            y('table', {
-                role: 'presentation',
-                className: [
-                    chunkConfig.tableClassName,
-                    sectionConfig.syncRowHeights ? 'fc-scrollgrid-sync-table' : '',
-                ].join(' '),
-                style: {
-                    minWidth: arg.tableMinWidth,
-                    width: arg.clientWidth,
-                    height: expandRows ? arg.clientHeight : '', // css `height` on a <table> serves as a min-height
-                },
-            }, arg.tableColGroupNode, y(isHeader ? 'thead' : 'tbody', {
-                role: 'presentation',
-            }, typeof chunkConfig.rowContent === 'function'
-                ? chunkConfig.rowContent(arg)
-                : chunkConfig.rowContent));
-        return content;
-    }
-    function isColPropsEqual(cols0, cols1) {
-        return isArraysEqual(cols0, cols1, isPropsEqual);
-    }
-    function renderMicroColGroup(cols, shrinkWidth) {
-        let colNodes = [];
-        /*
-        for ColProps with spans, it would have been great to make a single <col span="">
-        HOWEVER, Chrome was getting messing up distributing the width to <td>/<th> elements with colspans.
-        SOLUTION: making individual <col> elements makes Chrome behave.
-        */
-        for (let colProps of cols) {
-            let span = colProps.span || 1;
-            for (let i = 0; i < span; i += 1) {
-                colNodes.push(y("col", { style: {
-                        width: colProps.width === 'shrink' ? sanitizeShrinkWidth(shrinkWidth) : (colProps.width || ''),
-                        minWidth: colProps.minWidth || '',
-                    } }));
-            }
-        }
-        return y('colgroup', {}, ...colNodes);
-    }
-    function sanitizeShrinkWidth(shrinkWidth) {
-        /* why 4? if we do 0, it will kill any border, which are needed for computeSmallestCellWidth
-        4 accounts for 2 2-pixel borders. TODO: better solution? */
-        return shrinkWidth == null ? 4 : shrinkWidth;
-    }
-    function hasShrinkWidth(cols) {
-        for (let col of cols) {
-            if (col.width === 'shrink') {
-                return true;
-            }
-        }
-        return false;
-    }
-    function getScrollGridClassNames(liquid, context) {
-        let classNames = [
-            'fc-scrollgrid',
-            context.theme.getClass('table'),
-        ];
-        if (liquid) {
-            classNames.push('fc-scrollgrid-liquid');
-        }
-        return classNames;
-    }
-    function getSectionClassNames(sectionConfig, wholeTableVGrow) {
-        let classNames = [
-            'fc-scrollgrid-section',
-            `fc-scrollgrid-section-${sectionConfig.type}`,
-            sectionConfig.className, // used?
-        ];
-        if (wholeTableVGrow && sectionConfig.liquid && sectionConfig.maxHeight == null) {
-            classNames.push('fc-scrollgrid-section-liquid');
-        }
-        if (sectionConfig.isSticky) {
-            classNames.push('fc-scrollgrid-section-sticky');
-        }
-        return classNames;
-    }
-    function renderScrollShim(arg) {
-        return (y("div", { className: "fc-scrollgrid-sticky-shim", style: {
-                width: arg.clientWidth,
-                minWidth: arg.tableMinWidth,
-            } }));
-    }
-    function getStickyHeaderDates(options) {
-        let { stickyHeaderDates } = options;
-        if (stickyHeaderDates == null || stickyHeaderDates === 'auto') {
-            stickyHeaderDates = options.height === 'auto' || options.viewHeight === 'auto';
-        }
-        return stickyHeaderDates;
-    }
-    function getStickyFooterScrollbar(options) {
-        let { stickyFooterScrollbar } = options;
-        if (stickyFooterScrollbar == null || stickyFooterScrollbar === 'auto') {
-            stickyFooterScrollbar = options.height === 'auto' || options.viewHeight === 'auto';
-        }
-        return stickyFooterScrollbar;
-    }
-
-    class SimpleScrollGrid extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.processCols = memoize((a) => a, isColPropsEqual); // so we get same `cols` props every time
-            // yucky to memoize VNodes, but much more efficient for consumers
-            this.renderMicroColGroup = memoize(renderMicroColGroup);
-            this.scrollerRefs = new RefMap();
-            this.scrollerElRefs = new RefMap(this._handleScrollerEl.bind(this));
-            this.state = {
-                shrinkWidth: null,
-                forceYScrollbars: false,
-                scrollerClientWidths: {},
-                scrollerClientHeights: {},
-            };
-            // TODO: can do a really simple print-view. dont need to join rows
-            this.handleSizing = () => {
-                this.safeSetState(Object.assign({ shrinkWidth: this.computeShrinkWidth() }, this.computeScrollerDims()));
-            };
-        }
-        render() {
-            let { props, state, context } = this;
-            let sectionConfigs = props.sections || [];
-            let cols = this.processCols(props.cols);
-            let microColGroupNode = this.renderMicroColGroup(cols, state.shrinkWidth);
-            let classNames = getScrollGridClassNames(props.liquid, context);
-            if (props.collapsibleWidth) {
-                classNames.push('fc-scrollgrid-collapsible');
-            }
-            // TODO: make DRY
-            let configCnt = sectionConfigs.length;
-            let configI = 0;
-            let currentConfig;
-            let headSectionNodes = [];
-            let bodySectionNodes = [];
-            let footSectionNodes = [];
-            while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'header') {
-                headSectionNodes.push(this.renderSection(currentConfig, microColGroupNode, true));
-                configI += 1;
-            }
-            while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'body') {
-                bodySectionNodes.push(this.renderSection(currentConfig, microColGroupNode, false));
-                configI += 1;
-            }
-            while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'footer') {
-                footSectionNodes.push(this.renderSection(currentConfig, microColGroupNode, true));
-                configI += 1;
-            }
-            // firefox bug: when setting height on table and there is a thead or tfoot,
-            // the necessary height:100% on the liquid-height body section forces the *whole* table to be taller. (bug #5524)
-            // use getCanVGrowWithinCell as a way to detect table-stupid firefox.
-            // if so, use a simpler dom structure, jam everything into a lone tbody.
-            let isBuggy = !getCanVGrowWithinCell();
-            const roleAttrs = { role: 'rowgroup' };
-            return y('table', {
-                role: 'grid',
-                className: classNames.join(' '),
-                style: { height: props.height },
-            }, Boolean(!isBuggy && headSectionNodes.length) && y('thead', roleAttrs, ...headSectionNodes), Boolean(!isBuggy && bodySectionNodes.length) && y('tbody', roleAttrs, ...bodySectionNodes), Boolean(!isBuggy && footSectionNodes.length) && y('tfoot', roleAttrs, ...footSectionNodes), isBuggy && y('tbody', roleAttrs, ...headSectionNodes, ...bodySectionNodes, ...footSectionNodes));
-        }
-        renderSection(sectionConfig, microColGroupNode, isHeader) {
-            if ('outerContent' in sectionConfig) {
-                return (y(_, { key: sectionConfig.key }, sectionConfig.outerContent));
-            }
-            return (y("tr", { key: sectionConfig.key, role: "presentation", className: getSectionClassNames(sectionConfig, this.props.liquid).join(' ') }, this.renderChunkTd(sectionConfig, microColGroupNode, sectionConfig.chunk, isHeader)));
-        }
-        renderChunkTd(sectionConfig, microColGroupNode, chunkConfig, isHeader) {
-            if ('outerContent' in chunkConfig) {
-                return chunkConfig.outerContent;
-            }
-            let { props } = this;
-            let { forceYScrollbars, scrollerClientWidths, scrollerClientHeights } = this.state;
-            let needsYScrolling = getAllowYScrolling(props, sectionConfig); // TODO: do lazily. do in section config?
-            let isLiquid = getSectionHasLiquidHeight(props, sectionConfig);
-            // for `!props.liquid` - is WHOLE scrollgrid natural height?
-            // TODO: do same thing in advanced scrollgrid? prolly not b/c always has horizontal scrollbars
-            let overflowY = !props.liquid ? 'visible' :
-                forceYScrollbars ? 'scroll' :
-                    !needsYScrolling ? 'hidden' :
-                        'auto';
-            let sectionKey = sectionConfig.key;
-            let content = renderChunkContent(sectionConfig, chunkConfig, {
-                tableColGroupNode: microColGroupNode,
-                tableMinWidth: '',
-                clientWidth: (!props.collapsibleWidth && scrollerClientWidths[sectionKey] !== undefined) ? scrollerClientWidths[sectionKey] : null,
-                clientHeight: scrollerClientHeights[sectionKey] !== undefined ? scrollerClientHeights[sectionKey] : null,
-                expandRows: sectionConfig.expandRows,
-                syncRowHeights: false,
-                rowSyncHeights: [],
-                reportRowHeightChange: () => { },
-            }, isHeader);
-            return y(isHeader ? 'th' : 'td', {
-                ref: chunkConfig.elRef,
-                role: 'presentation',
-            }, y("div", { className: `fc-scroller-harness${isLiquid ? ' fc-scroller-harness-liquid' : ''}` },
-                y(Scroller, { ref: this.scrollerRefs.createRef(sectionKey), elRef: this.scrollerElRefs.createRef(sectionKey), overflowY: overflowY, overflowX: !props.liquid ? 'visible' : 'hidden' /* natural height? */, maxHeight: sectionConfig.maxHeight, liquid: isLiquid, liquidIsAbsolute // because its within a harness
-                    : true }, content)));
-        }
-        _handleScrollerEl(scrollerEl, key) {
-            let section = getSectionByKey(this.props.sections, key);
-            if (section) {
-                setRef(section.chunk.scrollerElRef, scrollerEl);
-            }
-        }
-        componentDidMount() {
-            this.handleSizing();
-            this.context.addResizeHandler(this.handleSizing);
-        }
-        componentDidUpdate() {
-            // TODO: need better solution when state contains non-sizing things
-            this.handleSizing();
-        }
-        componentWillUnmount() {
-            this.context.removeResizeHandler(this.handleSizing);
-        }
-        computeShrinkWidth() {
-            return hasShrinkWidth(this.props.cols)
-                ? computeShrinkWidth(this.scrollerElRefs.getAll())
-                : 0;
-        }
-        computeScrollerDims() {
-            let scrollbarWidth = getScrollbarWidths();
-            let { scrollerRefs, scrollerElRefs } = this;
-            let forceYScrollbars = false;
-            let scrollerClientWidths = {};
-            let scrollerClientHeights = {};
-            for (let sectionKey in scrollerRefs.currentMap) {
-                let scroller = scrollerRefs.currentMap[sectionKey];
-                if (scroller && scroller.needsYScrolling()) {
-                    forceYScrollbars = true;
-                    break;
-                }
-            }
-            for (let section of this.props.sections) {
-                let sectionKey = section.key;
-                let scrollerEl = scrollerElRefs.currentMap[sectionKey];
-                if (scrollerEl) {
-                    let harnessEl = scrollerEl.parentNode; // TODO: weird way to get this. need harness b/c doesn't include table borders
-                    scrollerClientWidths[sectionKey] = Math.floor(harnessEl.getBoundingClientRect().width - (forceYScrollbars
-                        ? scrollbarWidth.y // use global because scroller might not have scrollbars yet but will need them in future
-                        : 0));
-                    scrollerClientHeights[sectionKey] = Math.floor(harnessEl.getBoundingClientRect().height);
-                }
-            }
-            return { forceYScrollbars, scrollerClientWidths, scrollerClientHeights };
-        }
-    }
-    SimpleScrollGrid.addStateEquality({
-        scrollerClientWidths: isPropsEqual,
-        scrollerClientHeights: isPropsEqual,
-    });
-    function getSectionByKey(sections, key) {
-        for (let section of sections) {
-            if (section.key === key) {
-                return section;
-            }
-        }
-        return null;
-    }
-
-    class EventContainer extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.handleEl = (el) => {
-                this.el = el;
-                if (el) {
-                    setElSeg(el, this.props.seg);
-                }
-            };
-        }
-        render() {
-            const { props, context } = this;
-            const { options } = context;
-            const { seg } = props;
-            const { eventRange } = seg;
-            const { ui } = eventRange;
-            const renderProps = {
-                event: new EventImpl(context, eventRange.def, eventRange.instance),
-                view: context.viewApi,
-                timeText: props.timeText,
-                textColor: ui.textColor,
-                backgroundColor: ui.backgroundColor,
-                borderColor: ui.borderColor,
-                isDraggable: !props.disableDragging && computeSegDraggable(seg, context),
-                isStartResizable: !props.disableResizing && computeSegStartResizable(seg, context),
-                isEndResizable: !props.disableResizing && computeSegEndResizable(seg),
-                isMirror: Boolean(props.isDragging || props.isResizing || props.isDateSelecting),
-                isStart: Boolean(seg.isStart),
-                isEnd: Boolean(seg.isEnd),
-                isPast: Boolean(props.isPast),
-                isFuture: Boolean(props.isFuture),
-                isToday: Boolean(props.isToday),
-                isSelected: Boolean(props.isSelected),
-                isDragging: Boolean(props.isDragging),
-                isResizing: Boolean(props.isResizing),
-            };
-            return (y(ContentContainer, Object.assign({}, props /* contains children */, { elRef: this.handleEl, elClasses: [
-                    ...getEventClassNames(renderProps),
-                    ...seg.eventRange.ui.classNames,
-                    ...(props.elClasses || []),
-                ], renderProps: renderProps, generatorName: "eventContent", customGenerator: options.eventContent, defaultGenerator: props.defaultGenerator, classNameGenerator: options.eventClassNames, didMount: options.eventDidMount, willUnmount: options.eventWillUnmount })));
-        }
-        componentDidUpdate(prevProps) {
-            if (this.el && this.props.seg !== prevProps.seg) {
-                setElSeg(this.el, this.props.seg);
-            }
-        }
-    }
-
-    // should not be a purecomponent
-    class StandardEvent extends BaseComponent {
-        render() {
-            let { props, context } = this;
-            let { options } = context;
-            let { seg } = props;
-            let { ui } = seg.eventRange;
-            let timeFormat = options.eventTimeFormat || props.defaultTimeFormat;
-            let timeText = buildSegTimeText(seg, timeFormat, context, props.defaultDisplayEventTime, props.defaultDisplayEventEnd);
-            return (y(EventContainer, Object.assign({}, props /* includes elRef */, { elTag: "a", elStyle: {
-                    borderColor: ui.borderColor,
-                    backgroundColor: ui.backgroundColor,
-                }, elAttrs: getSegAnchorAttrs(seg, context), defaultGenerator: renderInnerContent$1$1, timeText: timeText }), (InnerContent, eventContentArg) => (y(_, null,
-                y(InnerContent, { elTag: "div", elClasses: ['fc-event-main'], elStyle: { color: eventContentArg.textColor } }),
-                Boolean(eventContentArg.isStartResizable) && (y("div", { className: "fc-event-resizer fc-event-resizer-start" })),
-                Boolean(eventContentArg.isEndResizable) && (y("div", { className: "fc-event-resizer fc-event-resizer-end" }))))));
-        }
-    }
-    function renderInnerContent$1$1(innerProps) {
-        return (y("div", { className: "fc-event-main-frame" },
-            innerProps.timeText && (y("div", { className: "fc-event-time" }, innerProps.timeText)),
-            y("div", { className: "fc-event-title-container" },
-                y("div", { className: "fc-event-title fc-sticky" }, innerProps.event.title || y(_, null, "\u00A0")))));
-    }
-
-    const NowIndicatorContainer = (props) => (y(ViewContextType.Consumer, null, (context) => {
-        let { options } = context;
-        let renderProps = {
-            isAxis: props.isAxis,
-            date: context.dateEnv.toDate(props.date),
-            view: context.viewApi,
-        };
-        return (y(ContentContainer, Object.assign({}, props /* includes children */, { elTag: props.elTag || 'div', renderProps: renderProps, generatorName: "nowIndicatorContent", customGenerator: options.nowIndicatorContent, classNameGenerator: options.nowIndicatorClassNames, didMount: options.nowIndicatorDidMount, willUnmount: options.nowIndicatorWillUnmount })));
-    }));
-
-    const DAY_NUM_FORMAT = createFormatter({ day: 'numeric' });
-    class DayCellContainer extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.refineRenderProps = memoizeObjArg(refineRenderProps);
-        }
-        render() {
-            let { props, context } = this;
-            let { options } = context;
-            let renderProps = this.refineRenderProps({
-                date: props.date,
-                dateProfile: props.dateProfile,
-                todayRange: props.todayRange,
-                isMonthStart: props.isMonthStart || false,
-                showDayNumber: props.showDayNumber,
-                extraRenderProps: props.extraRenderProps,
-                viewApi: context.viewApi,
-                dateEnv: context.dateEnv,
-                monthStartFormat: options.monthStartFormat,
-            });
-            return (y(ContentContainer, Object.assign({}, props /* includes children */, { elClasses: [
-                    ...getDayClassNames(renderProps, context.theme),
-                    ...(props.elClasses || []),
-                ], elAttrs: Object.assign(Object.assign({}, props.elAttrs), (renderProps.isDisabled ? {} : { 'data-date': formatDayString(props.date) })), renderProps: renderProps, generatorName: "dayCellContent", customGenerator: options.dayCellContent, defaultGenerator: props.defaultGenerator, classNameGenerator: 
-                // don't use custom classNames if disabled
-                renderProps.isDisabled ? undefined : options.dayCellClassNames, didMount: options.dayCellDidMount, willUnmount: options.dayCellWillUnmount })));
-        }
-    }
-    function hasCustomDayCellContent(options) {
-        return Boolean(options.dayCellContent || hasCustomRenderingHandler('dayCellContent', options));
-    }
-    function refineRenderProps(raw) {
-        let { date, dateEnv, dateProfile, isMonthStart } = raw;
-        let dayMeta = getDateMeta(date, raw.todayRange, null, dateProfile);
-        let dayNumberText = raw.showDayNumber ? (dateEnv.format(date, isMonthStart ? raw.monthStartFormat : DAY_NUM_FORMAT)) : '';
-        return Object.assign(Object.assign(Object.assign({ date: dateEnv.toDate(date), view: raw.viewApi }, dayMeta), { isMonthStart,
-            dayNumberText }), raw.extraRenderProps);
-    }
-
-    class BgEvent extends BaseComponent {
-        render() {
-            let { props } = this;
-            let { seg } = props;
-            return (y(EventContainer, { elTag: "div", elClasses: ['fc-bg-event'], elStyle: { backgroundColor: seg.eventRange.ui.backgroundColor }, defaultGenerator: renderInnerContent$3, seg: seg, timeText: "", isDragging: false, isResizing: false, isDateSelecting: false, isSelected: false, isPast: props.isPast, isFuture: props.isFuture, isToday: props.isToday, disableDragging: true, disableResizing: true }));
-        }
-    }
-    function renderInnerContent$3(props) {
-        let { title } = props.event;
-        return title && (y("div", { className: "fc-event-title" }, props.event.title));
-    }
-    function renderFill(fillType) {
-        return (y("div", { className: `fc-${fillType}` }));
-    }
-
-    const WeekNumberContainer = (props) => (y(ViewContextType.Consumer, null, (context) => {
-        let { dateEnv, options } = context;
-        let { date } = props;
-        let format = options.weekNumberFormat || props.defaultFormat;
-        let num = dateEnv.computeWeekNumber(date); // TODO: somehow use for formatting as well?
-        let text = dateEnv.format(date, format);
-        let renderProps = { num, text, date };
-        return (y(ContentContainer // why isn't WeekNumberContentArg being auto-detected?
-        , Object.assign({}, props /* includes children */, { renderProps: renderProps, generatorName: "weekNumberContent", customGenerator: options.weekNumberContent, defaultGenerator: renderInner, classNameGenerator: options.weekNumberClassNames, didMount: options.weekNumberDidMount, willUnmount: options.weekNumberWillUnmount })));
-    }));
-    function renderInner(innerProps) {
-        return innerProps.text;
-    }
-
-    const PADDING_FROM_VIEWPORT = 10;
-    class Popover extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.state = {
-                titleId: getUniqueDomId(),
-            };
-            this.handleRootEl = (el) => {
-                this.rootEl = el;
-                if (this.props.elRef) {
-                    setRef(this.props.elRef, el);
-                }
-            };
-            // Triggered when the user clicks *anywhere* in the document, for the autoHide feature
-            this.handleDocumentMouseDown = (ev) => {
-                // only hide the popover if the click happened outside the popover
-                const target = getEventTargetViaRoot(ev);
-                if (!this.rootEl.contains(target)) {
-                    this.handleCloseClick();
-                }
-            };
-            this.handleDocumentKeyDown = (ev) => {
-                if (ev.key === 'Escape') {
-                    this.handleCloseClick();
-                }
-            };
-            this.handleCloseClick = () => {
-                let { onClose } = this.props;
-                if (onClose) {
-                    onClose();
-                }
-            };
-        }
-        render() {
-            let { theme, options } = this.context;
-            let { props, state } = this;
-            let classNames = [
-                'fc-popover',
-                theme.getClass('popover'),
-            ].concat(props.extraClassNames || []);
-            return j(y("div", Object.assign({}, props.extraAttrs, { id: props.id, className: classNames.join(' '), "aria-labelledby": state.titleId, ref: this.handleRootEl }),
-                y("div", { className: 'fc-popover-header ' + theme.getClass('popoverHeader') },
-                    y("span", { className: "fc-popover-title", id: state.titleId }, props.title),
-                    y("span", { className: 'fc-popover-close ' + theme.getIconClass('close'), title: options.closeHint, onClick: this.handleCloseClick })),
-                y("div", { className: 'fc-popover-body ' + theme.getClass('popoverContent') }, props.children)), props.parentEl);
-        }
-        componentDidMount() {
-            document.addEventListener('mousedown', this.handleDocumentMouseDown);
-            document.addEventListener('keydown', this.handleDocumentKeyDown);
-            this.updateSize();
-        }
-        componentWillUnmount() {
-            document.removeEventListener('mousedown', this.handleDocumentMouseDown);
-            document.removeEventListener('keydown', this.handleDocumentKeyDown);
-        }
-        updateSize() {
-            let { isRtl } = this.context;
-            let { alignmentEl, alignGridTop } = this.props;
-            let { rootEl } = this;
-            let alignmentRect = computeClippedClientRect(alignmentEl);
-            if (alignmentRect) {
-                let popoverDims = rootEl.getBoundingClientRect();
-                // position relative to viewport
-                let popoverTop = alignGridTop
-                    ? elementClosest(alignmentEl, '.fc-scrollgrid').getBoundingClientRect().top
-                    : alignmentRect.top;
-                let popoverLeft = isRtl ? alignmentRect.right - popoverDims.width : alignmentRect.left;
-                // constrain
-                popoverTop = Math.max(popoverTop, PADDING_FROM_VIEWPORT);
-                popoverLeft = Math.min(popoverLeft, document.documentElement.clientWidth - PADDING_FROM_VIEWPORT - popoverDims.width);
-                popoverLeft = Math.max(popoverLeft, PADDING_FROM_VIEWPORT);
-                let origin = rootEl.offsetParent.getBoundingClientRect();
-                applyStyle(rootEl, {
-                    top: popoverTop - origin.top,
-                    left: popoverLeft - origin.left,
-                });
-            }
-        }
-    }
-
-    class MorePopover extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.handleRootEl = (rootEl) => {
-                this.rootEl = rootEl;
-                if (rootEl) {
-                    this.context.registerInteractiveComponent(this, {
-                        el: rootEl,
-                        useEventCenter: false,
-                    });
-                }
-                else {
-                    this.context.unregisterInteractiveComponent(this);
-                }
-            };
-        }
-        render() {
-            let { options, dateEnv } = this.context;
-            let { props } = this;
-            let { startDate, todayRange, dateProfile } = props;
-            let title = dateEnv.format(startDate, options.dayPopoverFormat);
-            return (y(DayCellContainer, { elRef: this.handleRootEl, date: startDate, dateProfile: dateProfile, todayRange: todayRange }, (InnerContent, renderProps, elAttrs) => (y(Popover, { elRef: elAttrs.ref, id: props.id, title: title, extraClassNames: ['fc-more-popover'].concat(elAttrs.className || []), extraAttrs: elAttrs /* TODO: make these time-based when not whole-day? */, parentEl: props.parentEl, alignmentEl: props.alignmentEl, alignGridTop: props.alignGridTop, onClose: props.onClose },
-                hasCustomDayCellContent(options) && (y(InnerContent, { elTag: "div", elClasses: ['fc-more-popover-misc'] })),
-                props.children))));
-        }
-        queryHit(positionLeft, positionTop, elWidth, elHeight) {
-            let { rootEl, props } = this;
-            if (positionLeft >= 0 && positionLeft < elWidth &&
-                positionTop >= 0 && positionTop < elHeight) {
-                return {
-                    dateProfile: props.dateProfile,
-                    dateSpan: Object.assign({ allDay: !props.forceTimed, range: {
-                            start: props.startDate,
-                            end: props.endDate,
-                        } }, props.extraDateSpan),
-                    dayEl: rootEl,
-                    rect: {
-                        left: 0,
-                        top: 0,
-                        right: elWidth,
-                        bottom: elHeight,
-                    },
-                    layer: 1, // important when comparing with hits from other components
-                };
-            }
-            return null;
-        }
-    }
-
-    class MoreLinkContainer extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.state = {
-                isPopoverOpen: false,
-                popoverId: getUniqueDomId(),
-            };
-            this.handleLinkEl = (linkEl) => {
-                this.linkEl = linkEl;
-                if (this.props.elRef) {
-                    setRef(this.props.elRef, linkEl);
-                }
-            };
-            this.handleClick = (ev) => {
-                let { props, context } = this;
-                let { moreLinkClick } = context.options;
-                let date = computeRange(props).start;
-                function buildPublicSeg(seg) {
-                    let { def, instance, range } = seg.eventRange;
-                    return {
-                        event: new EventImpl(context, def, instance),
-                        start: context.dateEnv.toDate(range.start),
-                        end: context.dateEnv.toDate(range.end),
-                        isStart: seg.isStart,
-                        isEnd: seg.isEnd,
-                    };
-                }
-                if (typeof moreLinkClick === 'function') {
-                    moreLinkClick = moreLinkClick({
-                        date,
-                        allDay: Boolean(props.allDayDate),
-                        allSegs: props.allSegs.map(buildPublicSeg),
-                        hiddenSegs: props.hiddenSegs.map(buildPublicSeg),
-                        jsEvent: ev,
-                        view: context.viewApi,
-                    });
-                }
-                if (!moreLinkClick || moreLinkClick === 'popover') {
-                    this.setState({ isPopoverOpen: true });
-                }
-                else if (typeof moreLinkClick === 'string') { // a view name
-                    context.calendarApi.zoomTo(date, moreLinkClick);
-                }
-            };
-            this.handlePopoverClose = () => {
-                this.setState({ isPopoverOpen: false });
-            };
-        }
-        render() {
-            let { props, state } = this;
-            return (y(ViewContextType.Consumer, null, (context) => {
-                let { viewApi, options, calendarApi } = context;
-                let { moreLinkText } = options;
-                let { moreCnt } = props;
-                let range = computeRange(props);
-                let text = typeof moreLinkText === 'function' // TODO: eventually use formatWithOrdinals
-                    ? moreLinkText.call(calendarApi, moreCnt)
-                    : `+${moreCnt} ${moreLinkText}`;
-                let hint = formatWithOrdinals(options.moreLinkHint, [moreCnt], text);
-                let renderProps = {
-                    num: moreCnt,
-                    shortText: `+${moreCnt}`,
-                    text,
-                    view: viewApi,
-                };
-                return (y(_, null,
-                    Boolean(props.moreCnt) && (y(ContentContainer, { elTag: props.elTag || 'a', elRef: this.handleLinkEl, elClasses: [
-                            ...(props.elClasses || []),
-                            'fc-more-link',
-                        ], elStyle: props.elStyle, elAttrs: Object.assign(Object.assign(Object.assign({}, props.elAttrs), createAriaClickAttrs(this.handleClick)), { title: hint, 'aria-expanded': state.isPopoverOpen, 'aria-controls': state.isPopoverOpen ? state.popoverId : '' }), renderProps: renderProps, generatorName: "moreLinkContent", customGenerator: options.moreLinkContent, defaultGenerator: props.defaultGenerator || renderMoreLinkInner$1, classNameGenerator: options.moreLinkClassNames, didMount: options.moreLinkDidMount, willUnmount: options.moreLinkWillUnmount }, props.children)),
-                    state.isPopoverOpen && (y(MorePopover, { id: state.popoverId, startDate: range.start, endDate: range.end, dateProfile: props.dateProfile, todayRange: props.todayRange, extraDateSpan: props.extraDateSpan, parentEl: this.parentEl, alignmentEl: props.alignmentElRef ?
-                            props.alignmentElRef.current :
-                            this.linkEl, alignGridTop: props.alignGridTop, forceTimed: props.forceTimed, onClose: this.handlePopoverClose }, props.popoverContent()))));
-            }));
-        }
-        componentDidMount() {
-            this.updateParentEl();
-        }
-        componentDidUpdate() {
-            this.updateParentEl();
-        }
-        updateParentEl() {
-            if (this.linkEl) {
-                this.parentEl = elementClosest(this.linkEl, '.fc-view-harness');
-            }
-        }
-    }
-    function renderMoreLinkInner$1(props) {
-        return props.text;
-    }
-    function computeRange(props) {
-        if (props.allDayDate) {
-            return {
-                start: props.allDayDate,
-                end: addDays(props.allDayDate, 1),
-            };
-        }
-        let { hiddenSegs } = props;
-        return {
-            start: computeEarliestSegStart(hiddenSegs),
-            end: computeLatestSegEnd(hiddenSegs),
-        };
-    }
-    function computeEarliestSegStart(segs) {
-        return segs.reduce(pickEarliestStart).eventRange.range.start;
-    }
-    function pickEarliestStart(seg0, seg1) {
-        return seg0.eventRange.range.start < seg1.eventRange.range.start ? seg0 : seg1;
-    }
-    function computeLatestSegEnd(segs) {
-        return segs.reduce(pickLatestEnd).eventRange.range.end;
-    }
-    function pickLatestEnd(seg0, seg1) {
-        return seg0.eventRange.range.end > seg1.eventRange.range.end ? seg0 : seg1;
-    }
-
-    class Store {
-        constructor() {
-            this.handlers = [];
-        }
-        set(value) {
-            this.currentValue = value;
-            for (let handler of this.handlers) {
-                handler(value);
-            }
-        }
-        subscribe(handler) {
-            this.handlers.push(handler);
-            if (this.currentValue !== undefined) {
-                handler(this.currentValue);
-            }
-        }
-    }
-
-    /*
-    Subscribers will get a LIST of CustomRenderings
-    */
-    class CustomRenderingStore extends Store {
-        constructor() {
-            super(...arguments);
-            this.map = new Map();
-        }
-        // for consistent order
-        handle(customRendering) {
-            const { map } = this;
-            let updated = false;
-            if (customRendering.isActive) {
-                map.set(customRendering.id, customRendering);
-                updated = true;
-            }
-            else if (map.has(customRendering.id)) {
-                map.delete(customRendering.id);
-                updated = true;
-            }
-            if (updated) {
-                this.set(map);
-            }
-        }
-    }
-
-    var internal = {
-        __proto__: null,
-        BASE_OPTION_DEFAULTS: BASE_OPTION_DEFAULTS,
-        BaseComponent: BaseComponent,
-        BgEvent: BgEvent,
-        CalendarImpl: CalendarImpl,
-        CalendarRoot: CalendarRoot,
-        ContentContainer: ContentContainer,
-        CustomRenderingStore: CustomRenderingStore,
-        DateComponent: DateComponent,
-        DateEnv: DateEnv,
-        DateProfileGenerator: DateProfileGenerator,
-        DayCellContainer: DayCellContainer,
-        DayHeader: DayHeader,
-        DaySeriesModel: DaySeriesModel,
-        DayTableModel: DayTableModel,
-        DelayedRunner: DelayedRunner,
-        ElementDragging: ElementDragging,
-        ElementScrollController: ElementScrollController,
-        Emitter: Emitter,
-        EventContainer: EventContainer,
-        EventImpl: EventImpl,
-        Interaction: Interaction,
-        MoreLinkContainer: MoreLinkContainer,
-        NamedTimeZoneImpl: NamedTimeZoneImpl,
-        NowIndicatorContainer: NowIndicatorContainer,
-        NowTimer: NowTimer,
-        PositionCache: PositionCache,
-        RefMap: RefMap,
-        ScrollController: ScrollController,
-        ScrollResponder: ScrollResponder,
-        Scroller: Scroller,
-        SegHierarchy: SegHierarchy,
-        SimpleScrollGrid: SimpleScrollGrid,
-        Slicer: Slicer,
-        Splitter: Splitter,
-        StandardEvent: StandardEvent,
-        TableDateCell: TableDateCell,
-        TableDowCell: TableDowCell,
-        Theme: Theme,
-        ViewContainer: ViewContainer,
-        ViewContextType: ViewContextType,
-        WeekNumberContainer: WeekNumberContainer,
-        WindowScrollController: WindowScrollController,
-        addDays: addDays,
-        addDurations: addDurations,
-        addMs: addMs,
-        addWeeks: addWeeks,
-        allowContextMenu: allowContextMenu,
-        allowSelection: allowSelection,
-        applyMutationToEventStore: applyMutationToEventStore,
-        applyStyle: applyStyle,
-        asCleanDays: asCleanDays,
-        asRoughMinutes: asRoughMinutes,
-        asRoughMs: asRoughMs,
-        asRoughSeconds: asRoughSeconds,
-        binarySearch: binarySearch,
-        buildElAttrs: buildElAttrs,
-        buildEntryKey: buildEntryKey,
-        buildEventApis: buildEventApis,
-        buildEventRangeKey: buildEventRangeKey,
-        buildIsoString: buildIsoString,
-        buildNavLinkAttrs: buildNavLinkAttrs,
-        buildSegTimeText: buildSegTimeText,
-        collectFromHash: collectFromHash,
-        combineEventUis: combineEventUis,
-        compareByFieldSpecs: compareByFieldSpecs,
-        compareNumbers: compareNumbers,
-        compareObjs: compareObjs,
-        computeEarliestSegStart: computeEarliestSegStart,
-        computeEdges: computeEdges,
-        computeFallbackHeaderFormat: computeFallbackHeaderFormat,
-        computeInnerRect: computeInnerRect,
-        computeRect: computeRect,
-        computeShrinkWidth: computeShrinkWidth,
-        computeVisibleDayRange: computeVisibleDayRange,
-        config: config,
-        constrainPoint: constrainPoint,
-        createDuration: createDuration,
-        createEmptyEventStore: createEmptyEventStore,
-        createEventInstance: createEventInstance,
-        createEventUi: createEventUi,
-        createFormatter: createFormatter,
-        diffDates: diffDates,
-        diffDayAndTime: diffDayAndTime,
-        diffDays: diffDays,
-        diffPoints: diffPoints,
-        diffWeeks: diffWeeks,
-        diffWholeDays: diffWholeDays,
-        diffWholeWeeks: diffWholeWeeks,
-        disableCursor: disableCursor,
-        elementClosest: elementClosest,
-        elementMatches: elementMatches,
-        enableCursor: enableCursor,
-        eventTupleToStore: eventTupleToStore,
-        filterHash: filterHash,
-        findDirectChildren: findDirectChildren,
-        findElements: findElements,
-        flexibleCompare: flexibleCompare,
-        formatDayString: formatDayString,
-        formatIsoMonthStr: formatIsoMonthStr,
-        formatIsoTimeString: formatIsoTimeString,
-        getAllowYScrolling: getAllowYScrolling,
-        getCanVGrowWithinCell: getCanVGrowWithinCell,
-        getClippingParents: getClippingParents,
-        getDateMeta: getDateMeta,
-        getDayClassNames: getDayClassNames,
-        getDefaultEventEnd: getDefaultEventEnd,
-        getElSeg: getElSeg,
-        getEntrySpanEnd: getEntrySpanEnd,
-        getEventTargetViaRoot: getEventTargetViaRoot,
-        getIsRtlScrollbarOnLeft: getIsRtlScrollbarOnLeft,
-        getRectCenter: getRectCenter,
-        getRelevantEvents: getRelevantEvents,
-        getScrollGridClassNames: getScrollGridClassNames,
-        getScrollbarWidths: getScrollbarWidths,
-        getSectionClassNames: getSectionClassNames,
-        getSectionHasLiquidHeight: getSectionHasLiquidHeight,
-        getSegAnchorAttrs: getSegAnchorAttrs,
-        getSegMeta: getSegMeta,
-        getSlotClassNames: getSlotClassNames,
-        getStickyFooterScrollbar: getStickyFooterScrollbar,
-        getStickyHeaderDates: getStickyHeaderDates,
-        getUniqueDomId: getUniqueDomId,
-        greatestDurationDenominator: greatestDurationDenominator,
-        groupIntersectingEntries: groupIntersectingEntries,
-        guid: guid,
-        hasBgRendering: hasBgRendering,
-        hasCustomDayCellContent: hasCustomDayCellContent,
-        hasShrinkWidth: hasShrinkWidth,
-        identity: identity,
-        injectStyles: injectStyles,
-        interactionSettingsStore: interactionSettingsStore,
-        interactionSettingsToStore: interactionSettingsToStore,
-        intersectRanges: intersectRanges,
-        intersectRects: intersectRects,
-        intersectSpans: intersectSpans,
-        isArraysEqual: isArraysEqual,
-        isColPropsEqual: isColPropsEqual,
-        isDateSelectionValid: isDateSelectionValid,
-        isDateSpansEqual: isDateSpansEqual,
-        isInt: isInt,
-        isInteractionValid: isInteractionValid,
-        isMultiDayRange: isMultiDayRange,
-        isPropsEqual: isPropsEqual,
-        isPropsValid: isPropsValid,
-        isValidDate: isValidDate,
-        mapHash: mapHash,
-        memoize: memoize,
-        memoizeArraylike: memoizeArraylike,
-        memoizeHashlike: memoizeHashlike,
-        memoizeObjArg: memoizeObjArg,
-        mergeEventStores: mergeEventStores,
-        multiplyDuration: multiplyDuration,
-        padStart: padStart,
-        parseBusinessHours: parseBusinessHours,
-        parseClassNames: parseClassNames,
-        parseDragMeta: parseDragMeta,
-        parseEventDef: parseEventDef,
-        parseFieldSpecs: parseFieldSpecs,
-        parseMarker: parse,
-        pointInsideRect: pointInsideRect,
-        preventContextMenu: preventContextMenu,
-        preventDefault: preventDefault,
-        preventSelection: preventSelection,
-        rangeContainsMarker: rangeContainsMarker,
-        rangeContainsRange: rangeContainsRange,
-        rangesEqual: rangesEqual,
-        rangesIntersect: rangesIntersect,
-        refineEventDef: refineEventDef,
-        refineProps: refineProps,
-        removeElement: removeElement,
-        removeExact: removeExact,
-        renderChunkContent: renderChunkContent,
-        renderFill: renderFill,
-        renderMicroColGroup: renderMicroColGroup,
-        renderScrollShim: renderScrollShim,
-        requestJson: requestJson,
-        sanitizeShrinkWidth: sanitizeShrinkWidth,
-        setRef: setRef,
-        sliceEventStore: sliceEventStore,
-        sortEventSegs: sortEventSegs,
-        startOfDay: startOfDay,
-        translateRect: translateRect,
-        triggerDateSelect: triggerDateSelect,
-        unpromisify: unpromisify,
-        whenTransitionDone: whenTransitionDone,
-        wholeDivideDurations: wholeDivideDurations
-    };
-
-    var preact = {
-        __proto__: null,
-        createPortal: j,
-        createContext: createContext,
-        flushSync: flushSync,
-        Component: x$1,
-        Fragment: _,
-        cloneElement: F$1,
-        createElement: y,
-        createRef: d,
-        h: y,
-        hydrate: E,
-        get isValidElement () { return i$1; },
-        get options () { return l$1; },
-        render: D$1,
-        toChildArray: j$2
-    };
-
-    const globalLocales = [];
-
-    const MINIMAL_RAW_EN_LOCALE = {
-        code: 'en',
-        week: {
-            dow: 0,
-            doy: 4, // 4 days need to be within the year to be considered the first week
-        },
-        direction: 'ltr',
-        buttonText: {
-            prev: 'prev',
-            next: 'next',
-            prevYear: 'prev year',
-            nextYear: 'next year',
-            year: 'year',
-            today: 'today',
-            month: 'month',
-            week: 'week',
-            day: 'day',
-            list: 'list',
-        },
-        weekText: 'W',
-        weekTextLong: 'Week',
-        closeHint: 'Close',
-        timeHint: 'Time',
-        eventHint: 'Event',
-        allDayText: 'all-day',
-        moreLinkText: 'more',
-        noEventsText: 'No events to display',
-    };
-    const RAW_EN_LOCALE = Object.assign(Object.assign({}, MINIMAL_RAW_EN_LOCALE), { 
-        // Includes things we don't want other locales to inherit,
-        // things that derive from other translatable strings.
-        buttonHints: {
-            prev: 'Previous $0',
-            next: 'Next $0',
-            today(buttonText, unit) {
-                return (unit === 'day')
-                    ? 'Today'
-                    : `This ${buttonText}`;
-            },
-        }, viewHint: '$0 view', navLinkHint: 'Go to $0', moreLinkHint(eventCnt) {
-            return `Show ${eventCnt} more event${eventCnt === 1 ? '' : 's'}`;
-        } });
-    function organizeRawLocales(explicitRawLocales) {
-        let defaultCode = explicitRawLocales.length > 0 ? explicitRawLocales[0].code : 'en';
-        let allRawLocales = globalLocales.concat(explicitRawLocales);
-        let rawLocaleMap = {
-            en: RAW_EN_LOCALE,
-        };
-        for (let rawLocale of allRawLocales) {
-            rawLocaleMap[rawLocale.code] = rawLocale;
-        }
-        return {
-            map: rawLocaleMap,
-            defaultCode,
-        };
-    }
-    function buildLocale(inputSingular, available) {
-        if (typeof inputSingular === 'object' && !Array.isArray(inputSingular)) {
-            return parseLocale(inputSingular.code, [inputSingular.code], inputSingular);
-        }
-        return queryLocale(inputSingular, available);
-    }
-    function queryLocale(codeArg, available) {
-        let codes = [].concat(codeArg || []); // will convert to array
-        let raw = queryRawLocale(codes, available) || RAW_EN_LOCALE;
-        return parseLocale(codeArg, codes, raw);
-    }
-    function queryRawLocale(codes, available) {
-        for (let i = 0; i < codes.length; i += 1) {
-            let parts = codes[i].toLocaleLowerCase().split('-');
-            for (let j = parts.length; j > 0; j -= 1) {
-                let simpleId = parts.slice(0, j).join('-');
-                if (available[simpleId]) {
-                    return available[simpleId];
-                }
-            }
-        }
-        return null;
-    }
-    function parseLocale(codeArg, codes, raw) {
-        let merged = mergeProps([MINIMAL_RAW_EN_LOCALE, raw], ['buttonText']);
-        delete merged.code; // don't want this part of the options
-        let { week } = merged;
-        delete merged.week;
-        return {
-            codeArg,
-            codes,
-            week,
-            simpleNumberFormat: new Intl.NumberFormat(codeArg),
-            options: merged,
-        };
-    }
-
-    // TODO: easier way to add new hooks? need to update a million things
-    function createPlugin(input) {
-        return {
-            id: guid(),
-            name: input.name,
-            premiumReleaseDate: input.premiumReleaseDate ? new Date(input.premiumReleaseDate) : undefined,
-            deps: input.deps || [],
-            reducers: input.reducers || [],
-            isLoadingFuncs: input.isLoadingFuncs || [],
-            contextInit: [].concat(input.contextInit || []),
-            eventRefiners: input.eventRefiners || {},
-            eventDefMemberAdders: input.eventDefMemberAdders || [],
-            eventSourceRefiners: input.eventSourceRefiners || {},
-            isDraggableTransformers: input.isDraggableTransformers || [],
-            eventDragMutationMassagers: input.eventDragMutationMassagers || [],
-            eventDefMutationAppliers: input.eventDefMutationAppliers || [],
-            dateSelectionTransformers: input.dateSelectionTransformers || [],
-            datePointTransforms: input.datePointTransforms || [],
-            dateSpanTransforms: input.dateSpanTransforms || [],
-            views: input.views || {},
-            viewPropsTransformers: input.viewPropsTransformers || [],
-            isPropsValid: input.isPropsValid || null,
-            externalDefTransforms: input.externalDefTransforms || [],
-            viewContainerAppends: input.viewContainerAppends || [],
-            eventDropTransformers: input.eventDropTransformers || [],
-            componentInteractions: input.componentInteractions || [],
-            calendarInteractions: input.calendarInteractions || [],
-            themeClasses: input.themeClasses || {},
-            eventSourceDefs: input.eventSourceDefs || [],
-            cmdFormatter: input.cmdFormatter,
-            recurringTypes: input.recurringTypes || [],
-            namedTimeZonedImpl: input.namedTimeZonedImpl,
-            initialView: input.initialView || '',
-            elementDraggingImpl: input.elementDraggingImpl,
-            optionChangeHandlers: input.optionChangeHandlers || {},
-            scrollGridImpl: input.scrollGridImpl || null,
-            listenerRefiners: input.listenerRefiners || {},
-            optionRefiners: input.optionRefiners || {},
-            propSetHandlers: input.propSetHandlers || {},
-        };
-    }
-    function buildPluginHooks(pluginDefs, globalDefs) {
-        let currentPluginIds = {};
-        let hooks = {
-            premiumReleaseDate: undefined,
-            reducers: [],
-            isLoadingFuncs: [],
-            contextInit: [],
-            eventRefiners: {},
-            eventDefMemberAdders: [],
-            eventSourceRefiners: {},
-            isDraggableTransformers: [],
-            eventDragMutationMassagers: [],
-            eventDefMutationAppliers: [],
-            dateSelectionTransformers: [],
-            datePointTransforms: [],
-            dateSpanTransforms: [],
-            views: {},
-            viewPropsTransformers: [],
-            isPropsValid: null,
-            externalDefTransforms: [],
-            viewContainerAppends: [],
-            eventDropTransformers: [],
-            componentInteractions: [],
-            calendarInteractions: [],
-            themeClasses: {},
-            eventSourceDefs: [],
-            cmdFormatter: null,
-            recurringTypes: [],
-            namedTimeZonedImpl: null,
-            initialView: '',
-            elementDraggingImpl: null,
-            optionChangeHandlers: {},
-            scrollGridImpl: null,
-            listenerRefiners: {},
-            optionRefiners: {},
-            propSetHandlers: {},
-        };
-        function addDefs(defs) {
-            for (let def of defs) {
-                const pluginName = def.name;
-                const currentId = currentPluginIds[pluginName];
-                if (currentId === undefined) {
-                    currentPluginIds[pluginName] = def.id;
-                    addDefs(def.deps);
-                    hooks = combineHooks(hooks, def);
-                }
-                else if (currentId !== def.id) {
-                    // different ID than the one already added
-                    console.warn(`Duplicate plugin '${pluginName}'`);
-                }
-            }
-        }
-        if (pluginDefs) {
-            addDefs(pluginDefs);
-        }
-        addDefs(globalDefs);
-        return hooks;
-    }
-    function buildBuildPluginHooks() {
-        let currentOverrideDefs = [];
-        let currentGlobalDefs = [];
-        let currentHooks;
-        return (overrideDefs, globalDefs) => {
-            if (!currentHooks || !isArraysEqual(overrideDefs, currentOverrideDefs) || !isArraysEqual(globalDefs, currentGlobalDefs)) {
-                currentHooks = buildPluginHooks(overrideDefs, globalDefs);
-            }
-            currentOverrideDefs = overrideDefs;
-            currentGlobalDefs = globalDefs;
-            return currentHooks;
-        };
-    }
-    function combineHooks(hooks0, hooks1) {
-        return {
-            premiumReleaseDate: compareOptionalDates(hooks0.premiumReleaseDate, hooks1.premiumReleaseDate),
-            reducers: hooks0.reducers.concat(hooks1.reducers),
-            isLoadingFuncs: hooks0.isLoadingFuncs.concat(hooks1.isLoadingFuncs),
-            contextInit: hooks0.contextInit.concat(hooks1.contextInit),
-            eventRefiners: Object.assign(Object.assign({}, hooks0.eventRefiners), hooks1.eventRefiners),
-            eventDefMemberAdders: hooks0.eventDefMemberAdders.concat(hooks1.eventDefMemberAdders),
-            eventSourceRefiners: Object.assign(Object.assign({}, hooks0.eventSourceRefiners), hooks1.eventSourceRefiners),
-            isDraggableTransformers: hooks0.isDraggableTransformers.concat(hooks1.isDraggableTransformers),
-            eventDragMutationMassagers: hooks0.eventDragMutationMassagers.concat(hooks1.eventDragMutationMassagers),
-            eventDefMutationAppliers: hooks0.eventDefMutationAppliers.concat(hooks1.eventDefMutationAppliers),
-            dateSelectionTransformers: hooks0.dateSelectionTransformers.concat(hooks1.dateSelectionTransformers),
-            datePointTransforms: hooks0.datePointTransforms.concat(hooks1.datePointTransforms),
-            dateSpanTransforms: hooks0.dateSpanTransforms.concat(hooks1.dateSpanTransforms),
-            views: Object.assign(Object.assign({}, hooks0.views), hooks1.views),
-            viewPropsTransformers: hooks0.viewPropsTransformers.concat(hooks1.viewPropsTransformers),
-            isPropsValid: hooks1.isPropsValid || hooks0.isPropsValid,
-            externalDefTransforms: hooks0.externalDefTransforms.concat(hooks1.externalDefTransforms),
-            viewContainerAppends: hooks0.viewContainerAppends.concat(hooks1.viewContainerAppends),
-            eventDropTransformers: hooks0.eventDropTransformers.concat(hooks1.eventDropTransformers),
-            calendarInteractions: hooks0.calendarInteractions.concat(hooks1.calendarInteractions),
-            componentInteractions: hooks0.componentInteractions.concat(hooks1.componentInteractions),
-            themeClasses: Object.assign(Object.assign({}, hooks0.themeClasses), hooks1.themeClasses),
-            eventSourceDefs: hooks0.eventSourceDefs.concat(hooks1.eventSourceDefs),
-            cmdFormatter: hooks1.cmdFormatter || hooks0.cmdFormatter,
-            recurringTypes: hooks0.recurringTypes.concat(hooks1.recurringTypes),
-            namedTimeZonedImpl: hooks1.namedTimeZonedImpl || hooks0.namedTimeZonedImpl,
-            initialView: hooks0.initialView || hooks1.initialView,
-            elementDraggingImpl: hooks0.elementDraggingImpl || hooks1.elementDraggingImpl,
-            optionChangeHandlers: Object.assign(Object.assign({}, hooks0.optionChangeHandlers), hooks1.optionChangeHandlers),
-            scrollGridImpl: hooks1.scrollGridImpl || hooks0.scrollGridImpl,
-            listenerRefiners: Object.assign(Object.assign({}, hooks0.listenerRefiners), hooks1.listenerRefiners),
-            optionRefiners: Object.assign(Object.assign({}, hooks0.optionRefiners), hooks1.optionRefiners),
-            propSetHandlers: Object.assign(Object.assign({}, hooks0.propSetHandlers), hooks1.propSetHandlers),
-        };
-    }
-    function compareOptionalDates(date0, date1) {
-        if (date0 === undefined) {
-            return date1;
-        }
-        if (date1 === undefined) {
-            return date0;
-        }
-        return new Date(Math.max(date0.valueOf(), date1.valueOf()));
-    }
-
-    class StandardTheme extends Theme {
-    }
-    StandardTheme.prototype.classes = {
-        root: 'fc-theme-standard',
-        tableCellShaded: 'fc-cell-shaded',
-        buttonGroup: 'fc-button-group',
-        button: 'fc-button fc-button-primary',
-        buttonActive: 'fc-button-active',
-    };
-    StandardTheme.prototype.baseIconClass = 'fc-icon';
-    StandardTheme.prototype.iconClasses = {
-        close: 'fc-icon-x',
-        prev: 'fc-icon-chevron-left',
-        next: 'fc-icon-chevron-right',
-        prevYear: 'fc-icon-chevrons-left',
-        nextYear: 'fc-icon-chevrons-right',
-    };
-    StandardTheme.prototype.rtlIconClasses = {
-        prev: 'fc-icon-chevron-right',
-        next: 'fc-icon-chevron-left',
-        prevYear: 'fc-icon-chevrons-right',
-        nextYear: 'fc-icon-chevrons-left',
-    };
-    StandardTheme.prototype.iconOverrideOption = 'buttonIcons'; // TODO: make TS-friendly
-    StandardTheme.prototype.iconOverrideCustomButtonOption = 'icon';
-    StandardTheme.prototype.iconOverridePrefix = 'fc-icon-';
-
-    function compileViewDefs(defaultConfigs, overrideConfigs) {
-        let hash = {};
-        let 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];
-        }
-        let viewDef = buildViewDef(viewType, hash, defaultConfigs, overrideConfigs);
-        if (viewDef) {
-            hash[viewType] = viewDef;
-        }
-        return viewDef;
-    }
-    function buildViewDef(viewType, hash, defaultConfigs, overrideConfigs) {
-        let defaultConfig = defaultConfigs[viewType];
-        let overrideConfig = overrideConfigs[viewType];
-        let queryProp = (name) => ((defaultConfig && defaultConfig[name] !== null) ? defaultConfig[name] :
-            ((overrideConfig && overrideConfig[name] !== null) ? overrideConfig[name] : null));
-        let theComponent = queryProp('component');
-        let superType = queryProp('superType');
-        let superDef = null;
-        if (superType) {
-            if (superType === viewType) {
-                throw new Error('Can\'t have a custom view type that references itself');
-            }
-            superDef = ensureViewDef(superType, hash, defaultConfigs, overrideConfigs);
-        }
-        if (!theComponent && superDef) {
-            theComponent = superDef.component;
-        }
-        if (!theComponent) {
-            return null; // don't throw a warning, might be settings for a single-unit view
-        }
-        return {
-            type: viewType,
-            component: theComponent,
-            defaults: Object.assign(Object.assign({}, (superDef ? superDef.defaults : {})), (defaultConfig ? defaultConfig.rawOptions : {})),
-            overrides: Object.assign(Object.assign({}, (superDef ? superDef.overrides : {})), (overrideConfig ? overrideConfig.rawOptions : {})),
-        };
-    }
-
-    function parseViewConfigs(inputs) {
-        return mapHash(inputs, parseViewConfig);
-    }
-    function parseViewConfig(input) {
-        let rawOptions = typeof input === 'function' ?
-            { component: input } :
-            input;
-        let { component } = rawOptions;
-        if (rawOptions.content) {
-            // TODO: remove content/classNames/didMount/etc from options?
-            component = createViewHookComponent(rawOptions);
-        }
-        else if (component && !(component.prototype instanceof BaseComponent)) {
-            // WHY?: people were using `component` property for `content`
-            // TODO: converge on one setting name
-            component = createViewHookComponent(Object.assign(Object.assign({}, rawOptions), { content: component }));
-        }
-        return {
-            superType: rawOptions.type,
-            component: component,
-            rawOptions, // includes type and component too :(
-        };
-    }
-    function createViewHookComponent(options) {
-        return (viewProps) => (y(ViewContextType.Consumer, null, (context) => (y(ContentContainer, { elTag: "div", elClasses: buildViewClassNames(context.viewSpec), renderProps: Object.assign(Object.assign({}, viewProps), { nextDayThreshold: context.options.nextDayThreshold }), generatorName: undefined, customGenerator: options.content, classNameGenerator: options.classNames, didMount: options.didMount, willUnmount: options.willUnmount }))));
-    }
-
-    function buildViewSpecs(defaultInputs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
-        let defaultConfigs = parseViewConfigs(defaultInputs);
-        let overrideConfigs = parseViewConfigs(optionOverrides.views);
-        let viewDefs = compileViewDefs(defaultConfigs, overrideConfigs);
-        return mapHash(viewDefs, (viewDef) => buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults));
-    }
-    function buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
-        let durationInput = viewDef.overrides.duration ||
-            viewDef.defaults.duration ||
-            dynamicOptionOverrides.duration ||
-            optionOverrides.duration;
-        let duration = null;
-        let durationUnit = '';
-        let singleUnit = '';
-        let singleUnitOverrides = {};
-        if (durationInput) {
-            duration = createDurationCached(durationInput);
-            if (duration) { // valid?
-                let denom = greatestDurationDenominator(duration);
-                durationUnit = denom.unit;
-                if (denom.value === 1) {
-                    singleUnit = durationUnit;
-                    singleUnitOverrides = overrideConfigs[durationUnit] ? overrideConfigs[durationUnit].rawOptions : {};
-                }
-            }
-        }
-        let queryButtonText = (optionsSubset) => {
-            let buttonTextMap = optionsSubset.buttonText || {};
-            let 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 null;
-        };
-        let queryButtonTitle = (optionsSubset) => {
-            let buttonHints = optionsSubset.buttonHints || {};
-            let buttonKey = viewDef.defaults.buttonTextKey; // use same key as text
-            if (buttonKey != null && buttonHints[buttonKey] != null) {
-                return buttonHints[buttonKey];
-            }
-            if (buttonHints[viewDef.type] != null) {
-                return buttonHints[viewDef.type];
-            }
-            if (buttonHints[singleUnit] != null) {
-                return buttonHints[singleUnit];
-            }
-            return null;
-        };
-        return {
-            type: viewDef.type,
-            component: viewDef.component,
-            duration,
-            durationUnit,
-            singleUnit,
-            optionDefaults: viewDef.defaults,
-            optionOverrides: Object.assign(Object.assign({}, singleUnitOverrides), viewDef.overrides),
-            buttonTextOverride: queryButtonText(dynamicOptionOverrides) ||
-                queryButtonText(optionOverrides) || // constructor-specified buttonText lookup hash takes precedence
-                viewDef.overrides.buttonText,
-            buttonTextDefault: queryButtonText(localeDefaults) ||
-                viewDef.defaults.buttonText ||
-                queryButtonText(BASE_OPTION_DEFAULTS) ||
-                viewDef.type,
-            // not DRY
-            buttonTitleOverride: queryButtonTitle(dynamicOptionOverrides) ||
-                queryButtonTitle(optionOverrides) ||
-                viewDef.overrides.buttonHint,
-            buttonTitleDefault: queryButtonTitle(localeDefaults) ||
-                viewDef.defaults.buttonHint ||
-                queryButtonTitle(BASE_OPTION_DEFAULTS),
-            // will eventually fall back to buttonText
-        };
-    }
-    // hack to get memoization working
-    let durationInputMap = {};
-    function createDurationCached(durationInput) {
-        let json = JSON.stringify(durationInput);
-        let res = durationInputMap[json];
-        if (res === undefined) {
-            res = createDuration(durationInput);
-            durationInputMap[json] = res;
-        }
-        return res;
-    }
-
-    function reduceViewType(viewType, action) {
-        switch (action.type) {
-            case 'CHANGE_VIEW_TYPE':
-                viewType = action.viewType;
-        }
-        return viewType;
-    }
-
-    function reduceCurrentDate(currentDate, action) {
-        switch (action.type) {
-            case 'CHANGE_DATE':
-                return action.dateMarker;
-            default:
-                return currentDate;
-        }
-    }
-    // should be initialized once and stay constant
-    // this will change too
-    function getInitialDate(options, dateEnv, nowManager) {
-        let initialDateInput = options.initialDate;
-        // compute the initial ambig-timezone date
-        if (initialDateInput != null) {
-            return dateEnv.createMarker(initialDateInput);
-        }
-        return nowManager.getDateMarker();
-    }
-
-    function reduceDynamicOptionOverrides(dynamicOptionOverrides, action) {
-        switch (action.type) {
-            case 'SET_OPTION':
-                return Object.assign(Object.assign({}, dynamicOptionOverrides), { [action.optionName]: action.rawOptionValue });
-            default:
-                return dynamicOptionOverrides;
-        }
-    }
-
-    function reduceDateProfile(currentDateProfile, action, currentDate, dateProfileGenerator) {
-        let dp;
-        switch (action.type) {
-            case 'CHANGE_VIEW_TYPE':
-                return dateProfileGenerator.build(action.dateMarker || currentDate);
-            case 'CHANGE_DATE':
-                return dateProfileGenerator.build(action.dateMarker);
-            case 'PREV':
-                dp = dateProfileGenerator.buildPrev(currentDateProfile, currentDate);
-                if (dp.isValid) {
-                    return dp;
-                }
-                break;
-            case 'NEXT':
-                dp = dateProfileGenerator.buildNext(currentDateProfile, currentDate);
-                if (dp.isValid) {
-                    return dp;
-                }
-                break;
-        }
-        return currentDateProfile;
-    }
-
-    function initEventSources(calendarOptions, dateProfile, context) {
-        let activeRange = dateProfile ? dateProfile.activeRange : null;
-        return addSources({}, parseInitialSources(calendarOptions, context), activeRange, context);
-    }
-    function reduceEventSources(eventSources, action, dateProfile, context) {
-        let activeRange = dateProfile ? dateProfile.activeRange : null; // need this check?
-        switch (action.type) {
-            case 'ADD_EVENT_SOURCES': // already parsed
-                return addSources(eventSources, action.sources, activeRange, context);
-            case 'REMOVE_EVENT_SOURCE':
-                return removeSource(eventSources, action.sourceId);
-            case 'PREV': // TODO: how do we track all actions that affect dateProfile :(
-            case 'NEXT':
-            case 'CHANGE_DATE':
-            case 'CHANGE_VIEW_TYPE':
-                if (dateProfile) {
-                    return fetchDirtySources(eventSources, activeRange, context);
-                }
-                return eventSources;
-            case 'FETCH_EVENT_SOURCES':
-                return fetchSourcesByIds(eventSources, action.sourceIds ? // why no type?
-                    arrayToHash(action.sourceIds) :
-                    excludeStaticSources(eventSources, context), activeRange, action.isRefetch || false, context);
-            case 'RECEIVE_EVENTS':
-            case 'RECEIVE_EVENT_ERROR':
-                return receiveResponse(eventSources, action.sourceId, action.fetchId, action.fetchRange);
-            case 'REMOVE_ALL_EVENT_SOURCES':
-                return {};
-            default:
-                return eventSources;
-        }
-    }
-    function reduceEventSourcesNewTimeZone(eventSources, dateProfile, context) {
-        let activeRange = dateProfile ? dateProfile.activeRange : null; // need this check?
-        return fetchSourcesByIds(eventSources, excludeStaticSources(eventSources, context), activeRange, true, context);
-    }
-    function computeEventSourcesLoading(eventSources) {
-        for (let sourceId in eventSources) {
-            if (eventSources[sourceId].isFetching) {
-                return true;
-            }
-        }
-        return false;
-    }
-    function addSources(eventSourceHash, sources, fetchRange, context) {
-        let hash = {};
-        for (let source of sources) {
-            hash[source.sourceId] = source;
-        }
-        if (fetchRange) {
-            hash = fetchDirtySources(hash, fetchRange, context);
-        }
-        return Object.assign(Object.assign({}, eventSourceHash), hash);
-    }
-    function removeSource(eventSourceHash, sourceId) {
-        return filterHash(eventSourceHash, (eventSource) => eventSource.sourceId !== sourceId);
-    }
-    function fetchDirtySources(sourceHash, fetchRange, context) {
-        return fetchSourcesByIds(sourceHash, filterHash(sourceHash, (eventSource) => isSourceDirty(eventSource, fetchRange, context)), fetchRange, false, context);
-    }
-    function isSourceDirty(eventSource, fetchRange, context) {
-        if (!doesSourceNeedRange(eventSource, context)) {
-            return !eventSource.latestFetchId;
-        }
-        return !context.options.lazyFetching ||
-            !eventSource.fetchRange ||
-            eventSource.isFetching || // always cancel outdated in-progress fetches
-            fetchRange.start < eventSource.fetchRange.start ||
-            fetchRange.end > eventSource.fetchRange.end;
-    }
-    function fetchSourcesByIds(prevSources, sourceIdHash, fetchRange, isRefetch, context) {
-        let nextSources = {};
-        for (let sourceId in prevSources) {
-            let source = prevSources[sourceId];
-            if (sourceIdHash[sourceId]) {
-                nextSources[sourceId] = fetchSource(source, fetchRange, isRefetch, context);
-            }
-            else {
-                nextSources[sourceId] = source;
-            }
-        }
-        return nextSources;
-    }
-    function fetchSource(eventSource, fetchRange, isRefetch, context) {
-        let { options, calendarApi } = context;
-        let sourceDef = context.pluginHooks.eventSourceDefs[eventSource.sourceDefId];
-        let fetchId = guid();
-        sourceDef.fetch({
-            eventSource,
-            range: fetchRange,
-            isRefetch,
-            context,
-        }, (res) => {
-            let { rawEvents } = res;
-            if (options.eventSourceSuccess) {
-                rawEvents = options.eventSourceSuccess.call(calendarApi, rawEvents, res.response) || rawEvents;
-            }
-            if (eventSource.success) {
-                rawEvents = eventSource.success.call(calendarApi, rawEvents, res.response) || rawEvents;
-            }
-            context.dispatch({
-                type: 'RECEIVE_EVENTS',
-                sourceId: eventSource.sourceId,
-                fetchId,
-                fetchRange,
-                rawEvents,
-            });
-        }, (error) => {
-            let errorHandled = false;
-            if (options.eventSourceFailure) {
-                options.eventSourceFailure.call(calendarApi, error);
-                errorHandled = true;
-            }
-            if (eventSource.failure) {
-                eventSource.failure(error);
-                errorHandled = true;
-            }
-            if (!errorHandled) {
-                console.warn(error.message, error);
-            }
-            context.dispatch({
-                type: 'RECEIVE_EVENT_ERROR',
-                sourceId: eventSource.sourceId,
-                fetchId,
-                fetchRange,
-                error,
-            });
-        });
-        return Object.assign(Object.assign({}, eventSource), { isFetching: true, latestFetchId: fetchId });
-    }
-    function receiveResponse(sourceHash, sourceId, fetchId, fetchRange) {
-        let eventSource = sourceHash[sourceId];
-        if (eventSource && // not already removed
-            fetchId === eventSource.latestFetchId) {
-            return Object.assign(Object.assign({}, sourceHash), { [sourceId]: Object.assign(Object.assign({}, eventSource), { isFetching: false, fetchRange }) });
-        }
-        return sourceHash;
-    }
-    function excludeStaticSources(eventSources, context) {
-        return filterHash(eventSources, (eventSource) => doesSourceNeedRange(eventSource, context));
-    }
-    function parseInitialSources(rawOptions, context) {
-        let refiners = buildEventSourceRefiners(context);
-        let rawSources = [].concat(rawOptions.eventSources || []);
-        let sources = []; // parsed
-        if (rawOptions.initialEvents) {
-            rawSources.unshift(rawOptions.initialEvents);
-        }
-        if (rawOptions.events) {
-            rawSources.unshift(rawOptions.events);
-        }
-        for (let rawSource of rawSources) {
-            let source = parseEventSource(rawSource, context, refiners);
-            if (source) {
-                sources.push(source);
-            }
-        }
-        return sources;
-    }
-    function doesSourceNeedRange(eventSource, context) {
-        let defs = context.pluginHooks.eventSourceDefs;
-        return !defs[eventSource.sourceDefId].ignoreRange;
-    }
-
-    function reduceDateSelection(currentSelection, action) {
-        switch (action.type) {
-            case 'UNSELECT_DATES':
-                return null;
-            case 'SELECT_DATES':
-                return action.selection;
-            default:
-                return currentSelection;
-        }
-    }
-
-    function reduceSelectedEvent(currentInstanceId, action) {
-        switch (action.type) {
-            case 'UNSELECT_EVENT':
-                return '';
-            case 'SELECT_EVENT':
-                return action.eventInstanceId;
-            default:
-                return currentInstanceId;
-        }
-    }
-
-    function reduceEventDrag(currentDrag, action) {
-        let newDrag;
-        switch (action.type) {
-            case 'UNSET_EVENT_DRAG':
-                return null;
-            case 'SET_EVENT_DRAG':
-                newDrag = action.state;
-                return {
-                    affectedEvents: newDrag.affectedEvents,
-                    mutatedEvents: newDrag.mutatedEvents,
-                    isEvent: newDrag.isEvent,
-                };
-            default:
-                return currentDrag;
-        }
-    }
-
-    function reduceEventResize(currentResize, action) {
-        let newResize;
-        switch (action.type) {
-            case 'UNSET_EVENT_RESIZE':
-                return null;
-            case 'SET_EVENT_RESIZE':
-                newResize = action.state;
-                return {
-                    affectedEvents: newResize.affectedEvents,
-                    mutatedEvents: newResize.mutatedEvents,
-                    isEvent: newResize.isEvent,
-                };
-            default:
-                return currentResize;
-        }
-    }
-
-    function parseToolbars(calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) {
-        let header = calendarOptions.headerToolbar ? parseToolbar(calendarOptions.headerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) : null;
-        let footer = calendarOptions.footerToolbar ? parseToolbar(calendarOptions.footerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) : null;
-        return { header, footer };
-    }
-    function parseToolbar(sectionStrHash, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) {
-        let sectionWidgets = {};
-        let viewsWithButtons = [];
-        let hasTitle = false;
-        for (let sectionName in sectionStrHash) {
-            let sectionStr = sectionStrHash[sectionName];
-            let sectionRes = parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi);
-            sectionWidgets[sectionName] = sectionRes.widgets;
-            viewsWithButtons.push(...sectionRes.viewsWithButtons);
-            hasTitle = hasTitle || sectionRes.hasTitle;
-        }
-        return { sectionWidgets, viewsWithButtons, hasTitle };
-    }
-    /*
-    BAD: querying icons and text here. should be done at render time
-    */
-    function parseSection(sectionStr, calendarOptions, // defaults+overrides, then refined
-    calendarOptionOverrides, // overrides only!, unrefined :(
-    theme, viewSpecs, calendarApi) {
-        let isRtl = calendarOptions.direction === 'rtl';
-        let calendarCustomButtons = calendarOptions.customButtons || {};
-        let calendarButtonTextOverrides = calendarOptionOverrides.buttonText || {};
-        let calendarButtonText = calendarOptions.buttonText || {};
-        let calendarButtonHintOverrides = calendarOptionOverrides.buttonHints || {};
-        let calendarButtonHints = calendarOptions.buttonHints || {};
-        let sectionSubstrs = sectionStr ? sectionStr.split(' ') : [];
-        let viewsWithButtons = [];
-        let hasTitle = false;
-        let widgets = sectionSubstrs.map((buttonGroupStr) => (buttonGroupStr.split(',').map((buttonName) => {
-            if (buttonName === 'title') {
-                hasTitle = true;
-                return { buttonName };
-            }
-            let customButtonProps;
-            let viewSpec;
-            let buttonClick;
-            let buttonIcon; // only one of these will be set
-            let buttonText; // "
-            let buttonHint;
-            // ^ for the title="" attribute, for accessibility
-            if ((customButtonProps = calendarCustomButtons[buttonName])) {
-                buttonClick = (ev) => {
-                    if (customButtonProps.click) {
-                        customButtonProps.click.call(ev.target, ev, ev.target); // TODO: use Calendar this context?
-                    }
-                };
-                (buttonIcon = theme.getCustomButtonIconClass(customButtonProps)) ||
-                    (buttonIcon = theme.getIconClass(buttonName, isRtl)) ||
-                    (buttonText = customButtonProps.text);
-                buttonHint = customButtonProps.hint || customButtonProps.text;
-            }
-            else if ((viewSpec = viewSpecs[buttonName])) {
-                viewsWithButtons.push(buttonName);
-                buttonClick = () => {
-                    calendarApi.changeView(buttonName);
-                };
-                (buttonText = viewSpec.buttonTextOverride) ||
-                    (buttonIcon = theme.getIconClass(buttonName, isRtl)) ||
-                    (buttonText = viewSpec.buttonTextDefault);
-                let textFallback = viewSpec.buttonTextOverride ||
-                    viewSpec.buttonTextDefault;
-                buttonHint = formatWithOrdinals(viewSpec.buttonTitleOverride ||
-                    viewSpec.buttonTitleDefault ||
-                    calendarOptions.viewHint, [textFallback, buttonName], // view-name = buttonName
-                textFallback);
-            }
-            else if (calendarApi[buttonName]) { // a calendarApi method
-                buttonClick = () => {
-                    calendarApi[buttonName]();
-                };
-                (buttonText = calendarButtonTextOverrides[buttonName]) ||
-                    (buttonIcon = theme.getIconClass(buttonName, isRtl)) ||
-                    (buttonText = calendarButtonText[buttonName]); // everything else is considered default
-                if (buttonName === 'prevYear' || buttonName === 'nextYear') {
-                    let prevOrNext = buttonName === 'prevYear' ? 'prev' : 'next';
-                    buttonHint = formatWithOrdinals(calendarButtonHintOverrides[prevOrNext] ||
-                        calendarButtonHints[prevOrNext], [
-                        calendarButtonText.year || 'year',
-                        'year',
-                    ], calendarButtonText[buttonName]);
-                }
-                else {
-                    buttonHint = (navUnit) => formatWithOrdinals(calendarButtonHintOverrides[buttonName] ||
-                        calendarButtonHints[buttonName], [
-                        calendarButtonText[navUnit] || navUnit,
-                        navUnit,
-                    ], calendarButtonText[buttonName]);
-                }
-            }
-            return { buttonName, buttonClick, buttonIcon, buttonText, buttonHint };
-        })));
-        return { widgets, viewsWithButtons, hasTitle };
-    }
-
-    // always represents the current view. otherwise, it'd need to change value every time date changes
-    class ViewImpl {
-        constructor(type, getCurrentData, dateEnv) {
-            this.type = type;
-            this.getCurrentData = getCurrentData;
-            this.dateEnv = dateEnv;
-        }
-        get calendar() {
-            return this.getCurrentData().calendarApi;
-        }
-        get title() {
-            return this.getCurrentData().viewTitle;
-        }
-        get activeStart() {
-            return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.start);
-        }
-        get activeEnd() {
-            return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.end);
-        }
-        get currentStart() {
-            return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.start);
-        }
-        get currentEnd() {
-            return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.end);
-        }
-        getOption(name) {
-            return this.getCurrentData().options[name]; // are the view-specific options
-        }
-    }
-
-    let eventSourceDef$2 = {
-        ignoreRange: true,
-        parseMeta(refined) {
-            if (Array.isArray(refined.events)) {
-                return refined.events;
-            }
-            return null;
-        },
-        fetch(arg, successCallback) {
-            successCallback({
-                rawEvents: arg.eventSource.meta,
-            });
-        },
-    };
-    const arrayEventSourcePlugin = createPlugin({
-        name: 'array-event-source',
-        eventSourceDefs: [eventSourceDef$2],
-    });
-
-    let eventSourceDef$1 = {
-        parseMeta(refined) {
-            if (typeof refined.events === 'function') {
-                return refined.events;
-            }
-            return null;
-        },
-        fetch(arg, successCallback, errorCallback) {
-            const { dateEnv } = arg.context;
-            const func = arg.eventSource.meta;
-            unpromisify(func.bind(null, buildRangeApiWithTimeZone(arg.range, dateEnv)), (rawEvents) => successCallback({ rawEvents }), errorCallback);
-        },
-    };
-    const funcEventSourcePlugin = createPlugin({
-        name: 'func-event-source',
-        eventSourceDefs: [eventSourceDef$1],
-    });
-
-    const JSON_FEED_EVENT_SOURCE_REFINERS = {
-        method: String,
-        extraParams: identity,
-        startParam: String,
-        endParam: String,
-        timeZoneParam: String,
-    };
-
-    let eventSourceDef = {
-        parseMeta(refined) {
-            if (refined.url && (refined.format === 'json' || !refined.format)) {
-                return {
-                    url: refined.url,
-                    format: 'json',
-                    method: (refined.method || 'GET').toUpperCase(),
-                    extraParams: refined.extraParams,
-                    startParam: refined.startParam,
-                    endParam: refined.endParam,
-                    timeZoneParam: refined.timeZoneParam,
-                };
-            }
-            return null;
-        },
-        fetch(arg, successCallback, errorCallback) {
-            const { meta } = arg.eventSource;
-            const requestParams = buildRequestParams(meta, arg.range, arg.context);
-            requestJson(meta.method, meta.url, requestParams).then(([rawEvents, response]) => {
-                successCallback({ rawEvents, response });
-            }, errorCallback);
-        },
-    };
-    const jsonFeedEventSourcePlugin = createPlugin({
-        name: 'json-event-source',
-        eventSourceRefiners: JSON_FEED_EVENT_SOURCE_REFINERS,
-        eventSourceDefs: [eventSourceDef],
-    });
-    function buildRequestParams(meta, range, context) {
-        let { dateEnv, options } = context;
-        let startParam;
-        let endParam;
-        let timeZoneParam;
-        let customRequestParams;
-        let params = {};
-        startParam = meta.startParam;
-        if (startParam == null) {
-            startParam = options.startParam;
-        }
-        endParam = meta.endParam;
-        if (endParam == null) {
-            endParam = options.endParam;
-        }
-        timeZoneParam = meta.timeZoneParam;
-        if (timeZoneParam == null) {
-            timeZoneParam = options.timeZoneParam;
-        }
-        // retrieve any outbound GET/POST data from the options
-        if (typeof meta.extraParams === 'function') {
-            // supplied as a function that returns a key/value object
-            customRequestParams = meta.extraParams();
-        }
-        else {
-            // probably supplied as a straight key/value object
-            customRequestParams = meta.extraParams || {};
-        }
-        Object.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;
-    }
-
-    const SIMPLE_RECURRING_REFINERS = {
-        daysOfWeek: identity,
-        startTime: createDuration,
-        endTime: createDuration,
-        duration: createDuration,
-        startRecur: identity,
-        endRecur: identity,
-    };
-
-    let recurring = {
-        parse(refined, dateEnv) {
-            if (refined.daysOfWeek || refined.startTime || refined.endTime || refined.startRecur || refined.endRecur) {
-                let recurringData = {
-                    daysOfWeek: refined.daysOfWeek || null,
-                    startTime: refined.startTime || null,
-                    endTime: refined.endTime || null,
-                    startRecur: refined.startRecur ? dateEnv.createMarker(refined.startRecur) : null,
-                    endRecur: refined.endRecur ? dateEnv.createMarker(refined.endRecur) : null,
-                    dateEnv,
-                };
-                let duration;
-                if (refined.duration) {
-                    duration = refined.duration;
-                }
-                if (!duration && refined.startTime && refined.endTime) {
-                    duration = subtractDurations(refined.endTime, refined.startTime);
-                }
-                return {
-                    allDayGuess: Boolean(!refined.startTime && !refined.endTime),
-                    duration,
-                    typeData: recurringData, // doesn't need endTime anymore but oh well
-                };
-            }
-            return null;
-        },
-        expand(typeData, framingRange, dateEnv) {
-            let clippedFramingRange = intersectRanges(framingRange, { start: typeData.startRecur, end: typeData.endRecur });
-            if (clippedFramingRange) {
-                return expandRanges(typeData.daysOfWeek, typeData.startTime, typeData.dateEnv, dateEnv, clippedFramingRange);
-            }
-            return [];
-        },
-    };
-    const simpleRecurringEventsPlugin = createPlugin({
-        name: 'simple-recurring-event',
-        recurringTypes: [recurring],
-        eventRefiners: SIMPLE_RECURRING_REFINERS,
-    });
-    function expandRanges(daysOfWeek, startTime, eventDateEnv, calendarDateEnv, framingRange) {
-        let dowHash = daysOfWeek ? arrayToHash(daysOfWeek) : null;
-        let dayMarker = startOfDay(framingRange.start);
-        let endMarker = framingRange.end;
-        let instanceStarts = [];
-        while (dayMarker < endMarker) {
-            let instanceStart;
-            // if everyday, or this particular day-of-week
-            if (!dowHash || dowHash[dayMarker.getUTCDay()]) {
-                if (startTime) {
-                    instanceStart = calendarDateEnv.add(dayMarker, startTime);
-                }
-                else {
-                    instanceStart = dayMarker;
-                }
-                instanceStarts.push(calendarDateEnv.createMarker(eventDateEnv.toDate(instanceStart)));
-            }
-            dayMarker = addDays(dayMarker, 1);
-        }
-        return instanceStarts;
-    }
-
-    const changeHandlerPlugin = createPlugin({
-        name: 'change-handler',
-        optionChangeHandlers: {
-            events(events, context) {
-                handleEventSources([events], context);
-            },
-            eventSources: handleEventSources,
-        },
-    });
-    /*
-    BUG: if `event` was supplied, all previously-given `eventSources` will be wiped out
-    */
-    function handleEventSources(inputs, context) {
-        let unfoundSources = hashValuesToArray(context.getCurrentData().eventSources);
-        if (unfoundSources.length === 1 &&
-            inputs.length === 1 &&
-            Array.isArray(unfoundSources[0]._raw) &&
-            Array.isArray(inputs[0])) {
-            context.dispatch({
-                type: 'RESET_RAW_EVENTS',
-                sourceId: unfoundSources[0].sourceId,
-                rawEvents: inputs[0],
-            });
-            return;
-        }
-        let newInputs = [];
-        for (let input of inputs) {
-            let inputFound = false;
-            for (let i = 0; i < unfoundSources.length; i += 1) {
-                if (unfoundSources[i]._raw === input) {
-                    unfoundSources.splice(i, 1); // delete
-                    inputFound = true;
-                    break;
-                }
-            }
-            if (!inputFound) {
-                newInputs.push(input);
-            }
-        }
-        for (let unfoundSource of unfoundSources) {
-            context.dispatch({
-                type: 'REMOVE_EVENT_SOURCE',
-                sourceId: unfoundSource.sourceId,
-            });
-        }
-        for (let newInput of newInputs) {
-            context.calendarApi.addEventSource(newInput);
-        }
-    }
-
-    function handleDateProfile(dateProfile, context) {
-        context.emitter.trigger('datesSet', Object.assign(Object.assign({}, buildRangeApiWithTimeZone(dateProfile.activeRange, context.dateEnv)), { view: context.viewApi }));
-    }
-
-    function handleEventStore(eventStore, context) {
-        let { emitter } = context;
-        if (emitter.hasHandlers('eventsSet')) {
-            emitter.trigger('eventsSet', buildEventApis(eventStore, context));
-        }
-    }
-
-    /*
-    this array is exposed on the root namespace so that UMD plugins can add to it.
-    see the rollup-bundles script.
-    */
-    const globalPlugins = [
-        arrayEventSourcePlugin,
-        funcEventSourcePlugin,
-        jsonFeedEventSourcePlugin,
-        simpleRecurringEventsPlugin,
-        changeHandlerPlugin,
-        createPlugin({
-            name: 'misc',
-            isLoadingFuncs: [
-                (state) => computeEventSourcesLoading(state.eventSources),
-            ],
-            propSetHandlers: {
-                dateProfile: handleDateProfile,
-                eventStore: handleEventStore,
-            },
-        }),
-    ];
-
-    class TaskRunner {
-        constructor(runTaskOption, drainedOption) {
-            this.runTaskOption = runTaskOption;
-            this.drainedOption = drainedOption;
-            this.queue = [];
-            this.delayedRunner = new DelayedRunner(this.drain.bind(this));
-        }
-        request(task, delay) {
-            this.queue.push(task);
-            this.delayedRunner.request(delay);
-        }
-        pause(scope) {
-            this.delayedRunner.pause(scope);
-        }
-        resume(scope, force) {
-            this.delayedRunner.resume(scope, force);
-        }
-        drain() {
-            let { queue } = this;
-            while (queue.length) {
-                let completedTasks = [];
-                let task;
-                while ((task = queue.shift())) {
-                    this.runTask(task);
-                    completedTasks.push(task);
-                }
-                this.drained(completedTasks);
-            } // keep going, in case new tasks were added in the drained handler
-        }
-        runTask(task) {
-            if (this.runTaskOption) {
-                this.runTaskOption(task);
-            }
-        }
-        drained(completedTasks) {
-            if (this.drainedOption) {
-                this.drainedOption(completedTasks);
-            }
-        }
-    }
-
-    // Computes what the title at the top of the calendarApi should be for this view
-    function buildTitle(dateProfile, viewOptions, dateEnv) {
-        let range;
-        // for views that span a large unit of time, show the proper interval, ignoring stray days before and after
-        if (/^(year|month)$/.test(dateProfile.currentRangeUnit)) {
-            range = dateProfile.currentRange;
-        }
-        else { // for day units or smaller, use the actual day range
-            range = dateProfile.activeRange;
-        }
-        return dateEnv.formatRange(range.start, range.end, createFormatter(viewOptions.titleFormat || buildTitleFormat(dateProfile)), {
-            isEndExclusive: dateProfile.isRangeAllDay,
-            defaultSeparator: viewOptions.titleRangeSeparator,
-        });
-    }
-    // Generates the format string that should be used to generate the title for the current date range.
-    // Attempts to compute the most appropriate format if not explicitly specified with `titleFormat`.
-    function buildTitleFormat(dateProfile) {
-        let { currentRangeUnit } = dateProfile;
-        if (currentRangeUnit === 'year') {
-            return { year: 'numeric' };
-        }
-        if (currentRangeUnit === 'month') {
-            return { year: 'numeric', month: 'long' }; // like "September 2014"
-        }
-        let 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' };
-        }
-        // one day. longer, like "September 9 2014"
-        return { year: 'numeric', month: 'long', day: 'numeric' };
-    }
-
-    /*
-    TODO: test switching timezones when NO timezone plugin
-    */
-    class CalendarNowManager {
-        constructor() {
-            this.resetListeners = new Set();
-        }
-        handleInput(dateEnv, // will change if timezone setup changed
-        nowInput) {
-            const oldDateEnv = this.dateEnv;
-            if (dateEnv !== oldDateEnv) {
-                if (typeof nowInput === 'function') {
-                    this.nowFn = nowInput;
-                }
-                else if (!oldDateEnv) { // first time?
-                    this.nowAnchorDate = dateEnv.toDate(nowInput
-                        ? dateEnv.createMarker(nowInput)
-                        : dateEnv.createNowMarker());
-                    this.nowAnchorQueried = Date.now();
-                }
-                this.dateEnv = dateEnv;
-                // not first time? fire reset handlers
-                if (oldDateEnv) {
-                    for (const resetListener of this.resetListeners.values()) {
-                        resetListener();
-                    }
-                }
-            }
-        }
-        getDateMarker() {
-            return this.nowAnchorDate
-                ? this.dateEnv.timestampToMarker(this.nowAnchorDate.valueOf() +
-                    (Date.now() - this.nowAnchorQueried))
-                : this.dateEnv.createMarker(this.nowFn());
-        }
-        addResetListener(handler) {
-            this.resetListeners.add(handler);
-        }
-        removeResetListener(handler) {
-            this.resetListeners.delete(handler);
-        }
-    }
-
-    // in future refactor, do the redux-style function(state=initial) for initial-state
-    // also, whatever is happening in constructor, have it happen in action queue too
-    class CalendarDataManager {
-        constructor(props) {
-            this.computeCurrentViewData = memoize(this._computeCurrentViewData);
-            this.organizeRawLocales = memoize(organizeRawLocales);
-            this.buildLocale = memoize(buildLocale);
-            this.buildPluginHooks = buildBuildPluginHooks();
-            this.buildDateEnv = memoize(buildDateEnv$1);
-            this.buildTheme = memoize(buildTheme);
-            this.parseToolbars = memoize(parseToolbars);
-            this.buildViewSpecs = memoize(buildViewSpecs);
-            this.buildDateProfileGenerator = memoizeObjArg(buildDateProfileGenerator);
-            this.buildViewApi = memoize(buildViewApi);
-            this.buildViewUiProps = memoizeObjArg(buildViewUiProps);
-            this.buildEventUiBySource = memoize(buildEventUiBySource, isPropsEqual);
-            this.buildEventUiBases = memoize(buildEventUiBases);
-            this.parseContextBusinessHours = memoizeObjArg(parseContextBusinessHours);
-            this.buildTitle = memoize(buildTitle);
-            this.nowManager = new CalendarNowManager();
-            this.emitter = new Emitter();
-            this.actionRunner = new TaskRunner(this._handleAction.bind(this), this.updateData.bind(this));
-            this.currentCalendarOptionsInput = {};
-            this.currentCalendarOptionsRefined = {};
-            this.currentViewOptionsInput = {};
-            this.currentViewOptionsRefined = {};
-            this.currentCalendarOptionsRefiners = {};
-            this.optionsForRefining = [];
-            this.optionsForHandling = [];
-            this.getCurrentData = () => this.data;
-            this.dispatch = (action) => {
-                this.actionRunner.request(action); // protects against recursive calls to _handleAction
-            };
-            this.props = props;
-            this.actionRunner.pause();
-            this.nowManager = new CalendarNowManager();
-            let dynamicOptionOverrides = {};
-            let optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi);
-            let currentViewType = optionsData.calendarOptions.initialView || optionsData.pluginHooks.initialView;
-            let currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides);
-            // wire things up
-            // TODO: not DRY
-            props.calendarApi.currentDataManager = this;
-            this.emitter.setThisContext(props.calendarApi);
-            this.emitter.setOptions(currentViewData.options);
-            let calendarContext = {
-                nowManager: this.nowManager,
-                dateEnv: optionsData.dateEnv,
-                options: optionsData.calendarOptions,
-                pluginHooks: optionsData.pluginHooks,
-                calendarApi: props.calendarApi,
-                dispatch: this.dispatch,
-                emitter: this.emitter,
-                getCurrentData: this.getCurrentData,
-            };
-            let currentDate = getInitialDate(optionsData.calendarOptions, optionsData.dateEnv, this.nowManager);
-            let dateProfile = currentViewData.dateProfileGenerator.build(currentDate);
-            if (!rangeContainsMarker(dateProfile.activeRange, currentDate)) {
-                currentDate = dateProfile.currentRange.start;
-            }
-            // needs to be after setThisContext
-            for (let callback of optionsData.pluginHooks.contextInit) {
-                callback(calendarContext);
-            }
-            // NOT DRY
-            let eventSources = initEventSources(optionsData.calendarOptions, dateProfile, calendarContext);
-            let initialState = {
-                dynamicOptionOverrides,
-                currentViewType,
-                currentDate,
-                dateProfile,
-                businessHours: this.parseContextBusinessHours(calendarContext),
-                eventSources,
-                eventUiBases: {},
-                eventStore: createEmptyEventStore(),
-                renderableEventStore: createEmptyEventStore(),
-                dateSelection: null,
-                eventSelection: '',
-                eventDrag: null,
-                eventResize: null,
-                selectionConfig: this.buildViewUiProps(calendarContext).selectionConfig,
-            };
-            let contextAndState = Object.assign(Object.assign({}, calendarContext), initialState);
-            for (let reducer of optionsData.pluginHooks.reducers) {
-                Object.assign(initialState, reducer(null, null, contextAndState));
-            }
-            if (computeIsLoading(initialState, calendarContext)) {
-                this.emitter.trigger('loading', true); // NOT DRY
-            }
-            this.state = initialState;
-            this.updateData();
-            this.actionRunner.resume();
-        }
-        resetOptions(optionOverrides, changedOptionNames) {
-            let { props } = this;
-            if (changedOptionNames === undefined) {
-                props.optionOverrides = optionOverrides;
-            }
-            else {
-                props.optionOverrides = Object.assign(Object.assign({}, (props.optionOverrides || {})), optionOverrides);
-                this.optionsForRefining.push(...changedOptionNames);
-            }
-            if (changedOptionNames === undefined || changedOptionNames.length) {
-                this.actionRunner.request({
-                    type: 'NOTHING',
-                });
-            }
-        }
-        _handleAction(action) {
-            let { props, state, emitter } = this;
-            let dynamicOptionOverrides = reduceDynamicOptionOverrides(state.dynamicOptionOverrides, action);
-            let optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi);
-            let currentViewType = reduceViewType(state.currentViewType, action);
-            let currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides);
-            // wire things up
-            // TODO: not DRY
-            props.calendarApi.currentDataManager = this;
-            emitter.setThisContext(props.calendarApi);
-            emitter.setOptions(currentViewData.options);
-            let calendarContext = {
-                nowManager: this.nowManager,
-                dateEnv: optionsData.dateEnv,
-                options: optionsData.calendarOptions,
-                pluginHooks: optionsData.pluginHooks,
-                calendarApi: props.calendarApi,
-                dispatch: this.dispatch,
-                emitter,
-                getCurrentData: this.getCurrentData,
-            };
-            let { currentDate, dateProfile } = state;
-            if (this.data && this.data.dateProfileGenerator !== currentViewData.dateProfileGenerator) { // hack
-                dateProfile = currentViewData.dateProfileGenerator.build(currentDate);
-            }
-            currentDate = reduceCurrentDate(currentDate, action);
-            dateProfile = reduceDateProfile(dateProfile, action, currentDate, currentViewData.dateProfileGenerator);
-            if (action.type === 'PREV' || // TODO: move this logic into DateProfileGenerator
-                action.type === 'NEXT' || // "
-                !rangeContainsMarker(dateProfile.currentRange, currentDate)) {
-                currentDate = dateProfile.currentRange.start;
-            }
-            let eventSources = reduceEventSources(state.eventSources, action, dateProfile, calendarContext);
-            let eventStore = reduceEventStore(state.eventStore, action, eventSources, dateProfile, calendarContext);
-            let isEventsLoading = computeEventSourcesLoading(eventSources); // BAD. also called in this func in computeIsLoading
-            let renderableEventStore = (isEventsLoading && !currentViewData.options.progressiveEventRendering) ?
-                (state.renderableEventStore || eventStore) : // try from previous state
-                eventStore;
-            let { eventUiSingleBase, selectionConfig } = this.buildViewUiProps(calendarContext); // will memoize obj
-            let eventUiBySource = this.buildEventUiBySource(eventSources);
-            let eventUiBases = this.buildEventUiBases(renderableEventStore.defs, eventUiSingleBase, eventUiBySource);
-            let newState = {
-                dynamicOptionOverrides,
-                currentViewType,
-                currentDate,
-                dateProfile,
-                eventSources,
-                eventStore,
-                renderableEventStore,
-                selectionConfig,
-                eventUiBases,
-                businessHours: this.parseContextBusinessHours(calendarContext),
-                dateSelection: reduceDateSelection(state.dateSelection, action),
-                eventSelection: reduceSelectedEvent(state.eventSelection, action),
-                eventDrag: reduceEventDrag(state.eventDrag, action),
-                eventResize: reduceEventResize(state.eventResize, action),
-            };
-            let contextAndState = Object.assign(Object.assign({}, calendarContext), newState);
-            for (let reducer of optionsData.pluginHooks.reducers) {
-                Object.assign(newState, reducer(state, action, contextAndState)); // give the OLD state, for old value
-            }
-            let wasLoading = computeIsLoading(state, calendarContext);
-            let isLoading = computeIsLoading(newState, calendarContext);
-            // TODO: use propSetHandlers in plugin system
-            if (!wasLoading && isLoading) {
-                emitter.trigger('loading', true);
-            }
-            else if (wasLoading && !isLoading) {
-                emitter.trigger('loading', false);
-            }
-            this.state = newState;
-            if (props.onAction) {
-                props.onAction(action);
-            }
-        }
-        updateData() {
-            let { props, state } = this;
-            let oldData = this.data;
-            let optionsData = this.computeOptionsData(props.optionOverrides, state.dynamicOptionOverrides, props.calendarApi);
-            let currentViewData = this.computeCurrentViewData(state.currentViewType, optionsData, props.optionOverrides, state.dynamicOptionOverrides);
-            let data = this.data = Object.assign(Object.assign(Object.assign({ nowManager: this.nowManager, viewTitle: this.buildTitle(state.dateProfile, currentViewData.options, optionsData.dateEnv), calendarApi: props.calendarApi, dispatch: this.dispatch, emitter: this.emitter, getCurrentData: this.getCurrentData }, optionsData), currentViewData), state);
-            let changeHandlers = optionsData.pluginHooks.optionChangeHandlers;
-            let oldCalendarOptions = oldData && oldData.calendarOptions;
-            let newCalendarOptions = optionsData.calendarOptions;
-            if (oldCalendarOptions && oldCalendarOptions !== newCalendarOptions) {
-                if (oldCalendarOptions.timeZone !== newCalendarOptions.timeZone) {
-                    // hack
-                    state.eventSources = data.eventSources = reduceEventSourcesNewTimeZone(data.eventSources, state.dateProfile, data);
-                    state.eventStore = data.eventStore = rezoneEventStoreDates(data.eventStore, oldData.dateEnv, data.dateEnv);
-                    state.renderableEventStore = data.renderableEventStore = rezoneEventStoreDates(data.renderableEventStore, oldData.dateEnv, data.dateEnv);
-                }
-                for (let optionName in changeHandlers) {
-                    if (this.optionsForHandling.indexOf(optionName) !== -1 ||
-                        oldCalendarOptions[optionName] !== newCalendarOptions[optionName]) {
-                        changeHandlers[optionName](newCalendarOptions[optionName], data);
-                    }
-                }
-            }
-            this.optionsForHandling = [];
-            if (props.onData) {
-                props.onData(data);
-            }
-        }
-        computeOptionsData(optionOverrides, dynamicOptionOverrides, calendarApi) {
-            // TODO: blacklist options that are handled by optionChangeHandlers
-            if (!this.optionsForRefining.length &&
-                optionOverrides === this.stableOptionOverrides &&
-                dynamicOptionOverrides === this.stableDynamicOptionOverrides) {
-                return this.stableCalendarOptionsData;
-            }
-            let { refinedOptions, pluginHooks, localeDefaults, availableLocaleData, extra, } = this.processRawCalendarOptions(optionOverrides, dynamicOptionOverrides);
-            warnUnknownOptions(extra);
-            let dateEnv = this.buildDateEnv(refinedOptions.timeZone, refinedOptions.locale, refinedOptions.weekNumberCalculation, refinedOptions.firstDay, refinedOptions.weekText, pluginHooks, availableLocaleData, refinedOptions.defaultRangeSeparator);
-            let viewSpecs = this.buildViewSpecs(pluginHooks.views, this.stableOptionOverrides, this.stableDynamicOptionOverrides, localeDefaults);
-            let theme = this.buildTheme(refinedOptions, pluginHooks);
-            let toolbarConfig = this.parseToolbars(refinedOptions, this.stableOptionOverrides, theme, viewSpecs, calendarApi);
-            return this.stableCalendarOptionsData = {
-                calendarOptions: refinedOptions,
-                pluginHooks,
-                dateEnv,
-                viewSpecs,
-                theme,
-                toolbarConfig,
-                localeDefaults,
-                availableRawLocales: availableLocaleData.map,
-            };
-        }
-        // always called from behind a memoizer
-        processRawCalendarOptions(optionOverrides, dynamicOptionOverrides) {
-            let { locales, locale } = mergeRawOptions([
-                BASE_OPTION_DEFAULTS,
-                optionOverrides,
-                dynamicOptionOverrides,
-            ]);
-            let availableLocaleData = this.organizeRawLocales(locales);
-            let availableRawLocales = availableLocaleData.map;
-            let localeDefaults = this.buildLocale(locale || availableLocaleData.defaultCode, availableRawLocales).options;
-            let pluginHooks = this.buildPluginHooks(optionOverrides.plugins || [], globalPlugins);
-            let refiners = this.currentCalendarOptionsRefiners = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners);
-            let extra = {};
-            let raw = mergeRawOptions([
-                BASE_OPTION_DEFAULTS,
-                localeDefaults,
-                optionOverrides,
-                dynamicOptionOverrides,
-            ]);
-            let refined = {};
-            let currentRaw = this.currentCalendarOptionsInput;
-            let currentRefined = this.currentCalendarOptionsRefined;
-            let anyChanges = false;
-            for (let optionName in raw) {
-                if (this.optionsForRefining.indexOf(optionName) === -1 && (raw[optionName] === currentRaw[optionName] || (COMPLEX_OPTION_COMPARATORS[optionName] &&
-                    (optionName in currentRaw) &&
-                    COMPLEX_OPTION_COMPARATORS[optionName](currentRaw[optionName], raw[optionName])))) {
-                    refined[optionName] = currentRefined[optionName];
-                }
-                else if (refiners[optionName]) {
-                    refined[optionName] = refiners[optionName](raw[optionName]);
-                    anyChanges = true;
-                }
-                else {
-                    extra[optionName] = currentRaw[optionName];
-                }
-            }
-            if (anyChanges) {
-                this.currentCalendarOptionsInput = raw;
-                this.currentCalendarOptionsRefined = refined;
-                this.stableOptionOverrides = optionOverrides;
-                this.stableDynamicOptionOverrides = dynamicOptionOverrides;
-            }
-            this.optionsForHandling.push(...this.optionsForRefining);
-            this.optionsForRefining = [];
-            return {
-                rawOptions: this.currentCalendarOptionsInput,
-                refinedOptions: this.currentCalendarOptionsRefined,
-                pluginHooks,
-                availableLocaleData,
-                localeDefaults,
-                extra,
-            };
-        }
-        _computeCurrentViewData(viewType, optionsData, optionOverrides, dynamicOptionOverrides) {
-            let viewSpec = optionsData.viewSpecs[viewType];
-            if (!viewSpec) {
-                throw new Error(`viewType "${viewType}" is not available. Please make sure you've loaded all neccessary plugins`);
-            }
-            let { refinedOptions, extra } = this.processRawViewOptions(viewSpec, optionsData.pluginHooks, optionsData.localeDefaults, optionOverrides, dynamicOptionOverrides);
-            warnUnknownOptions(extra);
-            this.nowManager.handleInput(optionsData.dateEnv, refinedOptions.now);
-            let dateProfileGenerator = this.buildDateProfileGenerator({
-                dateProfileGeneratorClass: viewSpec.optionDefaults.dateProfileGeneratorClass,
-                nowManager: this.nowManager,
-                duration: viewSpec.duration,
-                durationUnit: viewSpec.durationUnit,
-                usesMinMaxTime: viewSpec.optionDefaults.usesMinMaxTime,
-                dateEnv: optionsData.dateEnv,
-                calendarApi: this.props.calendarApi,
-                slotMinTime: refinedOptions.slotMinTime,
-                slotMaxTime: refinedOptions.slotMaxTime,
-                showNonCurrentDates: refinedOptions.showNonCurrentDates,
-                dayCount: refinedOptions.dayCount,
-                dateAlignment: refinedOptions.dateAlignment,
-                dateIncrement: refinedOptions.dateIncrement,
-                hiddenDays: refinedOptions.hiddenDays,
-                weekends: refinedOptions.weekends,
-                validRangeInput: refinedOptions.validRange,
-                visibleRangeInput: refinedOptions.visibleRange,
-                fixedWeekCount: refinedOptions.fixedWeekCount,
-            });
-            let viewApi = this.buildViewApi(viewType, this.getCurrentData, optionsData.dateEnv);
-            return { viewSpec, options: refinedOptions, dateProfileGenerator, viewApi };
-        }
-        processRawViewOptions(viewSpec, pluginHooks, localeDefaults, optionOverrides, dynamicOptionOverrides) {
-            let raw = mergeRawOptions([
-                BASE_OPTION_DEFAULTS,
-                viewSpec.optionDefaults,
-                localeDefaults,
-                optionOverrides,
-                viewSpec.optionOverrides,
-                dynamicOptionOverrides,
-            ]);
-            let refiners = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), VIEW_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners);
-            let refined = {};
-            let currentRaw = this.currentViewOptionsInput;
-            let currentRefined = this.currentViewOptionsRefined;
-            let anyChanges = false;
-            let extra = {};
-            for (let optionName in raw) {
-                if (raw[optionName] === currentRaw[optionName] ||
-                    (COMPLEX_OPTION_COMPARATORS[optionName] &&
-                        COMPLEX_OPTION_COMPARATORS[optionName](raw[optionName], currentRaw[optionName]))) {
-                    refined[optionName] = currentRefined[optionName];
-                }
-                else {
-                    if (raw[optionName] === this.currentCalendarOptionsInput[optionName] ||
-                        (COMPLEX_OPTION_COMPARATORS[optionName] &&
-                            COMPLEX_OPTION_COMPARATORS[optionName](raw[optionName], this.currentCalendarOptionsInput[optionName]))) {
-                        if (optionName in this.currentCalendarOptionsRefined) { // might be an "extra" prop
-                            refined[optionName] = this.currentCalendarOptionsRefined[optionName];
-                        }
-                    }
-                    else if (refiners[optionName]) {
-                        refined[optionName] = refiners[optionName](raw[optionName]);
-                    }
-                    else {
-                        extra[optionName] = raw[optionName];
-                    }
-                    anyChanges = true;
-                }
-            }
-            if (anyChanges) {
-                this.currentViewOptionsInput = raw;
-                this.currentViewOptionsRefined = refined;
-            }
-            return {
-                rawOptions: this.currentViewOptionsInput,
-                refinedOptions: this.currentViewOptionsRefined,
-                extra,
-            };
-        }
-    }
-    function buildDateEnv$1(timeZone, explicitLocale, weekNumberCalculation, firstDay, weekText, pluginHooks, availableLocaleData, defaultSeparator) {
-        let locale = buildLocale(explicitLocale || availableLocaleData.defaultCode, availableLocaleData.map);
-        return new DateEnv({
-            calendarSystem: 'gregory',
-            timeZone,
-            namedTimeZoneImpl: pluginHooks.namedTimeZonedImpl,
-            locale,
-            weekNumberCalculation,
-            firstDay,
-            weekText,
-            cmdFormatter: pluginHooks.cmdFormatter,
-            defaultSeparator,
-        });
-    }
-    function buildTheme(options, pluginHooks) {
-        let ThemeClass = pluginHooks.themeClasses[options.themeSystem] || StandardTheme;
-        return new ThemeClass(options);
-    }
-    function buildDateProfileGenerator(props) {
-        let DateProfileGeneratorClass = props.dateProfileGeneratorClass || DateProfileGenerator;
-        return new DateProfileGeneratorClass(props);
-    }
-    function buildViewApi(type, getCurrentData, dateEnv) {
-        return new ViewImpl(type, getCurrentData, dateEnv);
-    }
-    function buildEventUiBySource(eventSources) {
-        return mapHash(eventSources, (eventSource) => eventSource.ui);
-    }
-    function buildEventUiBases(eventDefs, eventUiSingleBase, eventUiBySource) {
-        let eventUiBases = { '': eventUiSingleBase };
-        for (let defId in eventDefs) {
-            let def = eventDefs[defId];
-            if (def.sourceId && eventUiBySource[def.sourceId]) {
-                eventUiBases[defId] = eventUiBySource[def.sourceId];
-            }
-        }
-        return eventUiBases;
-    }
-    function buildViewUiProps(calendarContext) {
-        let { options } = calendarContext;
-        return {
-            eventUiSingleBase: createEventUi({
-                display: options.eventDisplay,
-                editable: options.editable,
-                startEditable: options.eventStartEditable,
-                durationEditable: options.eventDurationEditable,
-                constraint: options.eventConstraint,
-                overlap: typeof options.eventOverlap === 'boolean' ? options.eventOverlap : undefined,
-                allow: options.eventAllow,
-                backgroundColor: options.eventBackgroundColor,
-                borderColor: options.eventBorderColor,
-                textColor: options.eventTextColor,
-                color: options.eventColor,
-                // classNames: options.eventClassNames // render hook will handle this
-            }, calendarContext),
-            selectionConfig: createEventUi({
-                constraint: options.selectConstraint,
-                overlap: typeof options.selectOverlap === 'boolean' ? options.selectOverlap : undefined,
-                allow: options.selectAllow,
-            }, calendarContext),
-        };
-    }
-    function computeIsLoading(state, context) {
-        for (let isLoadingFunc of context.pluginHooks.isLoadingFuncs) {
-            if (isLoadingFunc(state)) {
-                return true;
-            }
-        }
-        return false;
-    }
-    function parseContextBusinessHours(calendarContext) {
-        return parseBusinessHours(calendarContext.options.businessHours, calendarContext);
-    }
-    function warnUnknownOptions(options, viewName) {
-        for (let optionName in options) {
-            console.warn(`Unknown option '${optionName}'` +
-                (viewName ? ` for view '${viewName}'` : ''));
-        }
-    }
-
-    class ToolbarSection extends BaseComponent {
-        render() {
-            let children = this.props.widgetGroups.map((widgetGroup) => this.renderWidgetGroup(widgetGroup));
-            return y('div', { className: 'fc-toolbar-chunk' }, ...children);
-        }
-        renderWidgetGroup(widgetGroup) {
-            let { props } = this;
-            let { theme } = this.context;
-            let children = [];
-            let isOnlyButtons = true;
-            for (let widget of widgetGroup) {
-                let { buttonName, buttonClick, buttonText, buttonIcon, buttonHint } = widget;
-                if (buttonName === 'title') {
-                    isOnlyButtons = false;
-                    children.push(y("h2", { className: "fc-toolbar-title", id: props.titleId }, props.title));
-                }
-                else {
-                    let isPressed = buttonName === props.activeButton;
-                    let isDisabled = (!props.isTodayEnabled && buttonName === 'today') ||
-                        (!props.isPrevEnabled && buttonName === 'prev') ||
-                        (!props.isNextEnabled && buttonName === 'next');
-                    let buttonClasses = [`fc-${buttonName}-button`, theme.getClass('button')];
-                    if (isPressed) {
-                        buttonClasses.push(theme.getClass('buttonActive'));
-                    }
-                    children.push(y("button", { type: "button", title: typeof buttonHint === 'function' ? buttonHint(props.navUnit) : buttonHint, disabled: isDisabled, "aria-pressed": isPressed, className: buttonClasses.join(' '), onClick: buttonClick }, buttonText || (buttonIcon ? y("span", { className: buttonIcon, role: "img" }) : '')));
-                }
-            }
-            if (children.length > 1) {
-                let groupClassName = (isOnlyButtons && theme.getClass('buttonGroup')) || '';
-                return y('div', { className: groupClassName }, ...children);
-            }
-            return children[0];
-        }
-    }
-
-    class Toolbar extends BaseComponent {
-        render() {
-            let { model, extraClassName } = this.props;
-            let forceLtr = false;
-            let startContent;
-            let endContent;
-            let sectionWidgets = model.sectionWidgets;
-            let centerContent = sectionWidgets.center;
-            if (sectionWidgets.left) {
-                forceLtr = true;
-                startContent = sectionWidgets.left;
-            }
-            else {
-                startContent = sectionWidgets.start;
-            }
-            if (sectionWidgets.right) {
-                forceLtr = true;
-                endContent = sectionWidgets.right;
-            }
-            else {
-                endContent = sectionWidgets.end;
-            }
-            let classNames = [
-                extraClassName || '',
-                'fc-toolbar',
-                forceLtr ? 'fc-toolbar-ltr' : '',
-            ];
-            return (y("div", { className: classNames.join(' ') },
-                this.renderSection('start', startContent || []),
-                this.renderSection('center', centerContent || []),
-                this.renderSection('end', endContent || [])));
-        }
-        renderSection(key, widgetGroups) {
-            let { props } = this;
-            return (y(ToolbarSection, { key: key, widgetGroups: widgetGroups, title: props.title, navUnit: props.navUnit, activeButton: props.activeButton, isTodayEnabled: props.isTodayEnabled, isPrevEnabled: props.isPrevEnabled, isNextEnabled: props.isNextEnabled, titleId: props.titleId }));
-        }
-    }
-
-    class ViewHarness extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.state = {
-                availableWidth: null,
-            };
-            this.handleEl = (el) => {
-                this.el = el;
-                setRef(this.props.elRef, el);
-                this.updateAvailableWidth();
-            };
-            this.handleResize = () => {
-                this.updateAvailableWidth();
-            };
-        }
-        render() {
-            let { props, state } = this;
-            let { aspectRatio } = props;
-            let classNames = [
-                'fc-view-harness',
-                (aspectRatio || props.liquid || props.height)
-                    ? 'fc-view-harness-active' // harness controls the height
-                    : 'fc-view-harness-passive', // let the view do the height
-            ];
-            let height = '';
-            let paddingBottom = '';
-            if (aspectRatio) {
-                if (state.availableWidth !== null) {
-                    height = state.availableWidth / aspectRatio;
-                }
-                else {
-                    // while waiting to know availableWidth, we can't set height to *zero*
-                    // because will cause lots of unnecessary scrollbars within scrollgrid.
-                    // BETTER: don't start rendering ANYTHING yet until we know container width
-                    // NOTE: why not always use paddingBottom? Causes height oscillation (issue 5606)
-                    paddingBottom = `${(1 / aspectRatio) * 100}%`;
-                }
-            }
-            else {
-                height = props.height || '';
-            }
-            return (y("div", { "aria-labelledby": props.labeledById, ref: this.handleEl, className: classNames.join(' '), style: { height, paddingBottom } }, props.children));
-        }
-        componentDidMount() {
-            this.context.addResizeHandler(this.handleResize);
-        }
-        componentWillUnmount() {
-            this.context.removeResizeHandler(this.handleResize);
-        }
-        updateAvailableWidth() {
-            if (this.el && // needed. but why?
-                this.props.aspectRatio // aspectRatio is the only height setting that needs availableWidth
-            ) {
-                this.setState({ availableWidth: this.el.offsetWidth });
-            }
-        }
-    }
-
-    /*
-    Detects when the user clicks on an event within a DateComponent
-    */
-    class EventClicking extends Interaction {
-        constructor(settings) {
-            super(settings);
-            this.handleSegClick = (ev, segEl) => {
-                let { component } = this;
-                let { context } = component;
-                let 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
-                    let hasUrlContainer = elementClosest(ev.target, '.fc-event-forced-url');
-                    let url = hasUrlContainer ? hasUrlContainer.querySelector('a[href]').href : '';
-                    context.emitter.trigger('eventClick', {
-                        el: segEl,
-                        event: new EventImpl(component.context, seg.eventRange.def, seg.eventRange.instance),
-                        jsEvent: ev,
-                        view: context.viewApi,
-                    });
-                    if (url && !ev.defaultPrevented) {
-                        window.location.href = url;
-                    }
-                }
-            };
-            this.destroy = listenBySelector(settings.el, 'click', '.fc-event', // on both fg and bg events
-            this.handleSegClick);
-        }
-    }
-
-    /*
-    Triggers events and adds/removes core classNames when the user's pointer
-    enters/leaves event-elements of a component.
-    */
-    class EventHovering extends Interaction {
-        constructor(settings) {
-            super(settings);
-            // for simulating an eventMouseLeave when the event el is destroyed while mouse is over it
-            this.handleEventElRemove = (el) => {
-                if (el === this.currentSegEl) {
-                    this.handleSegLeave(null, this.currentSegEl);
-                }
-            };
-            this.handleSegEnter = (ev, segEl) => {
-                if (getElSeg(segEl)) { // TODO: better way to make sure not hovering over more+ link or its wrapper
-                    this.currentSegEl = segEl;
-                    this.triggerEvent('eventMouseEnter', ev, segEl);
-                }
-            };
-            this.handleSegLeave = (ev, segEl) => {
-                if (this.currentSegEl) {
-                    this.currentSegEl = null;
-                    this.triggerEvent('eventMouseLeave', ev, segEl);
-                }
-            };
-            this.removeHoverListeners = listenToHoverBySelector(settings.el, '.fc-event', // on both fg and bg events
-            this.handleSegEnter, this.handleSegLeave);
-        }
-        destroy() {
-            this.removeHoverListeners();
-        }
-        triggerEvent(publicEvName, ev, segEl) {
-            let { component } = this;
-            let { context } = component;
-            let seg = getElSeg(segEl);
-            if (!ev || component.isValidSegDownEl(ev.target)) {
-                context.emitter.trigger(publicEvName, {
-                    el: segEl,
-                    event: new EventImpl(context, seg.eventRange.def, seg.eventRange.instance),
-                    jsEvent: ev,
-                    view: context.viewApi,
-                });
-            }
-        }
-    }
-
-    class CalendarContent extends PureComponent {
-        constructor() {
-            super(...arguments);
-            this.buildViewContext = memoize(buildViewContext);
-            this.buildViewPropTransformers = memoize(buildViewPropTransformers);
-            this.buildToolbarProps = memoize(buildToolbarProps);
-            this.headerRef = d();
-            this.footerRef = d();
-            this.interactionsStore = {};
-            // eslint-disable-next-line
-            this.state = {
-                viewLabelId: getUniqueDomId(),
-            };
-            // Component Registration
-            // -----------------------------------------------------------------------------------------------------------------
-            this.registerInteractiveComponent = (component, settingsInput) => {
-                let settings = parseInteractionSettings(component, settingsInput);
-                let DEFAULT_INTERACTIONS = [
-                    EventClicking,
-                    EventHovering,
-                ];
-                let interactionClasses = DEFAULT_INTERACTIONS.concat(this.props.pluginHooks.componentInteractions);
-                let interactions = interactionClasses.map((TheInteractionClass) => new TheInteractionClass(settings));
-                this.interactionsStore[component.uid] = interactions;
-                interactionSettingsStore[component.uid] = settings;
-            };
-            this.unregisterInteractiveComponent = (component) => {
-                let listeners = this.interactionsStore[component.uid];
-                if (listeners) {
-                    for (let listener of listeners) {
-                        listener.destroy();
-                    }
-                    delete this.interactionsStore[component.uid];
-                }
-                delete interactionSettingsStore[component.uid];
-            };
-            // Resizing
-            // -----------------------------------------------------------------------------------------------------------------
-            this.resizeRunner = new DelayedRunner(() => {
-                this.props.emitter.trigger('_resize', true); // should window resizes be considered "forced" ?
-                this.props.emitter.trigger('windowResize', { view: this.props.viewApi });
-            });
-            this.handleWindowResize = (ev) => {
-                let { options } = this.props;
-                if (options.handleWindowResize &&
-                    ev.target === window // avoid jqui events
-                ) {
-                    this.resizeRunner.request(options.windowResizeDelay);
-                }
-            };
-        }
-        /*
-        renders INSIDE of an outer div
-        */
-        render() {
-            let { props } = this;
-            let { toolbarConfig, options } = props;
-            let viewVGrow = false;
-            let viewHeight = '';
-            let viewAspectRatio;
-            if (props.isHeightAuto || props.forPrint) {
-                viewHeight = '';
-            }
-            else if (options.height != null) {
-                viewVGrow = true;
-            }
-            else if (options.contentHeight != null) {
-                viewHeight = options.contentHeight;
-            }
-            else {
-                viewAspectRatio = Math.max(options.aspectRatio, 0.5); // prevent from getting too tall
-            }
-            let viewContext = this.buildViewContext(props.viewSpec, props.viewApi, props.options, props.dateProfileGenerator, props.dateEnv, props.nowManager, props.theme, props.pluginHooks, props.dispatch, props.getCurrentData, props.emitter, props.calendarApi, this.registerInteractiveComponent, this.unregisterInteractiveComponent);
-            let viewLabelId = (toolbarConfig.header && toolbarConfig.header.hasTitle)
-                ? this.state.viewLabelId
-                : undefined;
-            return (y(ViewContextType.Provider, { value: viewContext },
-                y(NowTimer, { unit: "day" }, (nowDate) => {
-                    let toolbarProps = this.buildToolbarProps(props.viewSpec, props.dateProfile, props.dateProfileGenerator, props.currentDate, nowDate, props.viewTitle);
-                    return (y(_, null,
-                        toolbarConfig.header && (y(Toolbar, Object.assign({ ref: this.headerRef, extraClassName: "fc-header-toolbar", model: toolbarConfig.header, titleId: viewLabelId }, toolbarProps))),
-                        y(ViewHarness, { liquid: viewVGrow, height: viewHeight, aspectRatio: viewAspectRatio, labeledById: viewLabelId },
-                            this.renderView(props),
-                            this.buildAppendContent()),
-                        toolbarConfig.footer && (y(Toolbar, Object.assign({ ref: this.footerRef, extraClassName: "fc-footer-toolbar", model: toolbarConfig.footer, titleId: "" }, toolbarProps)))));
-                })));
-        }
-        componentDidMount() {
-            let { props } = this;
-            this.calendarInteractions = props.pluginHooks.calendarInteractions
-                .map((CalendarInteractionClass) => new CalendarInteractionClass(props));
-            window.addEventListener('resize', this.handleWindowResize);
-            let { propSetHandlers } = props.pluginHooks;
-            for (let propName in propSetHandlers) {
-                propSetHandlers[propName](props[propName], props);
-            }
-        }
-        componentDidUpdate(prevProps) {
-            let { props } = this;
-            let { propSetHandlers } = props.pluginHooks;
-            for (let propName in propSetHandlers) {
-                if (props[propName] !== prevProps[propName]) {
-                    propSetHandlers[propName](props[propName], props);
-                }
-            }
-        }
-        componentWillUnmount() {
-            window.removeEventListener('resize', this.handleWindowResize);
-            this.resizeRunner.clear();
-            for (let interaction of this.calendarInteractions) {
-                interaction.destroy();
-            }
-            this.props.emitter.trigger('_unmount');
-        }
-        buildAppendContent() {
-            let { props } = this;
-            let children = props.pluginHooks.viewContainerAppends.map((buildAppendContent) => buildAppendContent(props));
-            return y(_, {}, ...children);
-        }
-        renderView(props) {
-            let { pluginHooks } = props;
-            let { viewSpec } = props;
-            let viewProps = {
-                dateProfile: props.dateProfile,
-                businessHours: props.businessHours,
-                eventStore: props.renderableEventStore,
-                eventUiBases: props.eventUiBases,
-                dateSelection: props.dateSelection,
-                eventSelection: props.eventSelection,
-                eventDrag: props.eventDrag,
-                eventResize: props.eventResize,
-                isHeightAuto: props.isHeightAuto,
-                forPrint: props.forPrint,
-            };
-            let transformers = this.buildViewPropTransformers(pluginHooks.viewPropsTransformers);
-            for (let transformer of transformers) {
-                Object.assign(viewProps, transformer.transform(viewProps, props));
-            }
-            let ViewComponent = viewSpec.component;
-            return (y(ViewComponent, Object.assign({}, viewProps)));
-        }
-    }
-    function buildToolbarProps(viewSpec, dateProfile, dateProfileGenerator, currentDate, now, title) {
-        // don't force any date-profiles to valid date profiles (the `false`) so that we can tell if it's invalid
-        let todayInfo = dateProfileGenerator.build(now, undefined, false); // TODO: need `undefined` or else INFINITE LOOP for some reason
-        let prevInfo = dateProfileGenerator.buildPrev(dateProfile, currentDate, false);
-        let nextInfo = dateProfileGenerator.buildNext(dateProfile, currentDate, false);
-        return {
-            title,
-            activeButton: viewSpec.type,
-            navUnit: viewSpec.singleUnit,
-            isTodayEnabled: todayInfo.isValid && !rangeContainsMarker(dateProfile.currentRange, now),
-            isPrevEnabled: prevInfo.isValid,
-            isNextEnabled: nextInfo.isValid,
-        };
-    }
-    // Plugin
-    // -----------------------------------------------------------------------------------------------------------------
-    function buildViewPropTransformers(theClasses) {
-        return theClasses.map((TheClass) => new TheClass());
-    }
-
-    class Calendar extends CalendarImpl {
-        constructor(el, optionOverrides = {}) {
-            super();
-            this.isRendering = false;
-            this.isRendered = false;
-            this.currentClassNames = [];
-            this.customContentRenderId = 0;
-            this.handleAction = (action) => {
-                // actions we know we want to render immediately
-                switch (action.type) {
-                    case 'SET_EVENT_DRAG':
-                    case 'SET_EVENT_RESIZE':
-                        this.renderRunner.tryDrain();
-                }
-            };
-            this.handleData = (data) => {
-                this.currentData = data;
-                this.renderRunner.request(data.calendarOptions.rerenderDelay);
-            };
-            this.handleRenderRequest = () => {
-                if (this.isRendering) {
-                    this.isRendered = true;
-                    let { currentData } = this;
-                    flushSync(() => {
-                        D$1(y(CalendarRoot, { options: currentData.calendarOptions, theme: currentData.theme, emitter: currentData.emitter }, (classNames, height, isHeightAuto, forPrint) => {
-                            this.setClassNames(classNames);
-                            this.setHeight(height);
-                            return (y(RenderId.Provider, { value: this.customContentRenderId },
-                                y(CalendarContent, Object.assign({ isHeightAuto: isHeightAuto, forPrint: forPrint }, currentData))));
-                        }), this.el);
-                    });
-                }
-                else if (this.isRendered) {
-                    this.isRendered = false;
-                    D$1(null, this.el);
-                    this.setClassNames([]);
-                    this.setHeight('');
-                }
-            };
-            ensureElHasStyles(el);
-            this.el = el;
-            this.renderRunner = new DelayedRunner(this.handleRenderRequest);
-            new CalendarDataManager({
-                optionOverrides,
-                calendarApi: this,
-                onAction: this.handleAction,
-                onData: this.handleData,
-            });
-        }
-        render() {
-            let wasRendering = this.isRendering;
-            if (!wasRendering) {
-                this.isRendering = true;
-            }
-            else {
-                this.customContentRenderId += 1;
-            }
-            this.renderRunner.request();
-            if (wasRendering) {
-                this.updateSize();
-            }
-        }
-        destroy() {
-            if (this.isRendering) {
-                this.isRendering = false;
-                this.renderRunner.request();
-            }
-        }
-        updateSize() {
-            flushSync(() => {
-                super.updateSize();
-            });
-        }
-        batchRendering(func) {
-            this.renderRunner.pause('batchRendering');
-            func();
-            this.renderRunner.resume('batchRendering');
-        }
-        pauseRendering() {
-            this.renderRunner.pause('pauseRendering');
-        }
-        resumeRendering() {
-            this.renderRunner.resume('pauseRendering', true);
-        }
-        resetOptions(optionOverrides, changedOptionNames) {
-            this.currentDataManager.resetOptions(optionOverrides, changedOptionNames);
-        }
-        setClassNames(classNames) {
-            if (!isArraysEqual(classNames, this.currentClassNames)) {
-                let { classList } = this.el;
-                for (let className of this.currentClassNames) {
-                    classList.remove(className);
-                }
-                for (let className of classNames) {
-                    classList.add(className);
-                }
-                this.currentClassNames = classNames;
-            }
-        }
-        setHeight(height) {
-            applyStyleProp(this.el, 'height', height);
-        }
-    }
-
-    function formatDate(dateInput, options = {}) {
-        let dateEnv = buildDateEnv(options);
-        let formatter = createFormatter(options);
-        let dateMeta = dateEnv.createMarkerMeta(dateInput);
-        if (!dateMeta) { // TODO: warning?
-            return '';
-        }
-        return dateEnv.format(dateMeta.marker, formatter, {
-            forcedTzo: dateMeta.forcedTzo,
-        });
-    }
-    function formatRange(startInput, endInput, options) {
-        let dateEnv = buildDateEnv(typeof options === 'object' && options ? options : {}); // pass in if non-null object
-        let formatter = createFormatter(options);
-        let startMeta = dateEnv.createMarkerMeta(startInput);
-        let endMeta = dateEnv.createMarkerMeta(endInput);
-        if (!startMeta || !endMeta) { // TODO: warning?
-            return '';
-        }
-        return dateEnv.formatRange(startMeta.marker, endMeta.marker, formatter, {
-            forcedStartTzo: startMeta.forcedTzo,
-            forcedEndTzo: endMeta.forcedTzo,
-            isEndExclusive: options.isEndExclusive,
-            defaultSeparator: BASE_OPTION_DEFAULTS.defaultRangeSeparator,
-        });
-    }
-    // TODO: more DRY and optimized
-    function buildDateEnv(settings) {
-        let locale = buildLocale(settings.locale || 'en', organizeRawLocales([]).map); // TODO: don't hardcode 'en' everywhere
-        return new DateEnv(Object.assign(Object.assign({ timeZone: BASE_OPTION_DEFAULTS.timeZone, calendarSystem: 'gregory' }, settings), { locale }));
-    }
-
-    // HELPERS
-    /*
-    if nextDayThreshold is specified, slicing is done in an all-day fashion.
-    you can get nextDayThreshold from context.nextDayThreshold
-    */
-    function sliceEvents(props, allDay) {
-        return sliceEventStore(props.eventStore, props.eventUiBases, props.dateProfile.activeRange, allDay ? props.nextDayThreshold : null).fg;
-    }
-
-    const version = '6.1.17';
-
-    config.touchMouseIgnoreWait = 500;
-    let ignoreMouseDepth = 0;
-    let listenerCnt = 0;
-    let isWindowTouchMoveCancelled = false;
-    /*
-    Uses a "pointer" abstraction, which monitors UI events for both mouse and touch.
-    Tracks when the pointer "drags" on a certain element, meaning down+move+up.
-
-    Also, tracks if there was touch-scrolling.
-    Also, can prevent touch-scrolling from happening.
-    Also, can fire pointermove events when scrolling happens underneath, even when no real pointer movement.
-
-    emits:
-    - pointerdown
-    - pointermove
-    - pointerup
-    */
-    class PointerDragging {
-        constructor(containerEl) {
-            this.subjectEl = null;
-            // options that can be directly assigned by caller
-            this.selector = ''; // will cause subjectEl in all emitted events to be this element
-            this.handleSelector = '';
-            this.shouldIgnoreMove = false;
-            this.shouldWatchScroll = true; // for simulating pointermove on scroll
-            // internal states
-            this.isDragging = false;
-            this.isTouchDragging = false;
-            this.wasTouchScroll = false;
-            // Mouse
-            // ----------------------------------------------------------------------------------------------------
-            this.handleMouseDown = (ev) => {
-                if (!this.shouldIgnoreMouse() &&
-                    isPrimaryMouseButton(ev) &&
-                    this.tryStart(ev)) {
-                    let pev = this.createEventFromMouse(ev, true);
-                    this.emitter.trigger('pointerdown', pev);
-                    this.initScrollWatch(pev);
-                    if (!this.shouldIgnoreMove) {
-                        document.addEventListener('mousemove', this.handleMouseMove);
-                    }
-                    document.addEventListener('mouseup', this.handleMouseUp);
-                }
-            };
-            this.handleMouseMove = (ev) => {
-                let pev = this.createEventFromMouse(ev);
-                this.recordCoords(pev);
-                this.emitter.trigger('pointermove', pev);
-            };
-            this.handleMouseUp = (ev) => {
-                document.removeEventListener('mousemove', this.handleMouseMove);
-                document.removeEventListener('mouseup', this.handleMouseUp);
-                this.emitter.trigger('pointerup', this.createEventFromMouse(ev));
-                this.cleanup(); // call last so that pointerup has access to props
-            };
-            // Touch
-            // ----------------------------------------------------------------------------------------------------
-            this.handleTouchStart = (ev) => {
-                if (this.tryStart(ev)) {
-                    this.isTouchDragging = true;
-                    let pev = this.createEventFromTouch(ev, true);
-                    this.emitter.trigger('pointerdown', pev);
-                    this.initScrollWatch(pev);
-                    // unlike mouse, need to attach to target, not document
-                    // https://stackoverflow.com/a/45760014
-                    let targetEl = ev.target;
-                    if (!this.shouldIgnoreMove) {
-                        targetEl.addEventListener('touchmove', this.handleTouchMove);
-                    }
-                    targetEl.addEventListener('touchend', this.handleTouchEnd);
-                    targetEl.addEventListener('touchcancel', this.handleTouchEnd); // treat it as a touch end
-                    // attach a handler to get called when ANY scroll action happens on the page.
-                    // this was impossible to do with normal on/off because 'scroll' doesn't bubble.
-                    // http://stackoverflow.com/a/32954565/96342
-                    window.addEventListener('scroll', this.handleTouchScroll, true);
-                }
-            };
-            this.handleTouchMove = (ev) => {
-                let pev = this.createEventFromTouch(ev);
-                this.recordCoords(pev);
-                this.emitter.trigger('pointermove', pev);
-            };
-            this.handleTouchEnd = (ev) => {
-                if (this.isDragging) { // done to guard against touchend followed by touchcancel
-                    let targetEl = ev.target;
-                    targetEl.removeEventListener('touchmove', this.handleTouchMove);
-                    targetEl.removeEventListener('touchend', this.handleTouchEnd);
-                    targetEl.removeEventListener('touchcancel', this.handleTouchEnd);
-                    window.removeEventListener('scroll', this.handleTouchScroll, true); // useCaptured=true
-                    this.emitter.trigger('pointerup', this.createEventFromTouch(ev));
-                    this.cleanup(); // call last so that pointerup has access to props
-                    this.isTouchDragging = false;
-                    startIgnoringMouse();
-                }
-            };
-            this.handleTouchScroll = () => {
-                this.wasTouchScroll = true;
-            };
-            this.handleScroll = (ev) => {
-                if (!this.shouldIgnoreMove) {
-                    let pageX = (window.scrollX - this.prevScrollX) + this.prevPageX;
-                    let pageY = (window.scrollY - this.prevScrollY) + this.prevPageY;
-                    this.emitter.trigger('pointermove', {
-                        origEvent: ev,
-                        isTouch: this.isTouchDragging,
-                        subjectEl: this.subjectEl,
-                        pageX,
-                        pageY,
-                        deltaX: pageX - this.origPageX,
-                        deltaY: pageY - this.origPageY,
-                    });
-                }
-            };
-            this.containerEl = containerEl;
-            this.emitter = new Emitter();
-            containerEl.addEventListener('mousedown', this.handleMouseDown);
-            containerEl.addEventListener('touchstart', this.handleTouchStart, { passive: true });
-            listenerCreated();
-        }
-        destroy() {
-            this.containerEl.removeEventListener('mousedown', this.handleMouseDown);
-            this.containerEl.removeEventListener('touchstart', this.handleTouchStart, { passive: true });
-            listenerDestroyed();
-        }
-        tryStart(ev) {
-            let subjectEl = this.querySubjectEl(ev);
-            let downEl = ev.target;
-            if (subjectEl &&
-                (!this.handleSelector || elementClosest(downEl, this.handleSelector))) {
-                this.subjectEl = subjectEl;
-                this.isDragging = true; // do this first so cancelTouchScroll will work
-                this.wasTouchScroll = false;
-                return true;
-            }
-            return false;
-        }
-        cleanup() {
-            isWindowTouchMoveCancelled = false;
-            this.isDragging = false;
-            this.subjectEl = null;
-            // keep wasTouchScroll around for later access
-            this.destroyScrollWatch();
-        }
-        querySubjectEl(ev) {
-            if (this.selector) {
-                return elementClosest(ev.target, this.selector);
-            }
-            return this.containerEl;
-        }
-        shouldIgnoreMouse() {
-            return ignoreMouseDepth || this.isTouchDragging;
-        }
-        // can be called by user of this class, to cancel touch-based scrolling for the current drag
-        cancelTouchScroll() {
-            if (this.isDragging) {
-                isWindowTouchMoveCancelled = true;
-            }
-        }
-        // Scrolling that simulates pointermoves
-        // ----------------------------------------------------------------------------------------------------
-        initScrollWatch(ev) {
-            if (this.shouldWatchScroll) {
-                this.recordCoords(ev);
-                window.addEventListener('scroll', this.handleScroll, true); // useCapture=true
-            }
-        }
-        recordCoords(ev) {
-            if (this.shouldWatchScroll) {
-                this.prevPageX = ev.pageX;
-                this.prevPageY = ev.pageY;
-                this.prevScrollX = window.scrollX;
-                this.prevScrollY = window.scrollY;
-            }
-        }
-        destroyScrollWatch() {
-            if (this.shouldWatchScroll) {
-                window.removeEventListener('scroll', this.handleScroll, true); // useCaptured=true
-            }
-        }
-        // Event Normalization
-        // ----------------------------------------------------------------------------------------------------
-        createEventFromMouse(ev, isFirst) {
-            let deltaX = 0;
-            let deltaY = 0;
-            // TODO: repeat code
-            if (isFirst) {
-                this.origPageX = ev.pageX;
-                this.origPageY = ev.pageY;
-            }
-            else {
-                deltaX = ev.pageX - this.origPageX;
-                deltaY = ev.pageY - this.origPageY;
-            }
-            return {
-                origEvent: ev,
-                isTouch: false,
-                subjectEl: this.subjectEl,
-                pageX: ev.pageX,
-                pageY: ev.pageY,
-                deltaX,
-                deltaY,
-            };
-        }
-        createEventFromTouch(ev, isFirst) {
-            let touches = ev.touches;
-            let pageX;
-            let pageY;
-            let deltaX = 0;
-            let deltaY = 0;
-            // if touch coords available, prefer,
-            // because FF would give bad ev.pageX ev.pageY
-            if (touches && touches.length) {
-                pageX = touches[0].pageX;
-                pageY = touches[0].pageY;
-            }
-            else {
-                pageX = ev.pageX;
-                pageY = ev.pageY;
-            }
-            // TODO: repeat code
-            if (isFirst) {
-                this.origPageX = pageX;
-                this.origPageY = pageY;
-            }
-            else {
-                deltaX = pageX - this.origPageX;
-                deltaY = pageY - this.origPageY;
-            }
-            return {
-                origEvent: ev,
-                isTouch: true,
-                subjectEl: this.subjectEl,
-                pageX,
-                pageY,
-                deltaX,
-                deltaY,
-            };
-        }
-    }
-    // Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac)
-    function isPrimaryMouseButton(ev) {
-        return ev.button === 0 && !ev.ctrlKey;
-    }
-    // Ignoring fake mouse events generated by touch
-    // ----------------------------------------------------------------------------------------------------
-    function startIgnoringMouse() {
-        ignoreMouseDepth += 1;
-        setTimeout(() => {
-            ignoreMouseDepth -= 1;
-        }, config.touchMouseIgnoreWait);
-    }
-    // We want to attach touchmove as early as possible for Safari
-    // ----------------------------------------------------------------------------------------------------
-    function listenerCreated() {
-        listenerCnt += 1;
-        if (listenerCnt === 1) {
-            window.addEventListener('touchmove', onWindowTouchMove, { passive: false });
-        }
-    }
-    function listenerDestroyed() {
-        listenerCnt -= 1;
-        if (!listenerCnt) {
-            window.removeEventListener('touchmove', onWindowTouchMove, { passive: false });
-        }
-    }
-    function onWindowTouchMove(ev) {
-        if (isWindowTouchMoveCancelled) {
-            ev.preventDefault();
-        }
-    }
-
-    /*
-    An effect in which an element follows the movement of a pointer across the screen.
-    The moving element is a clone of some other element.
-    Must call start + handleMove + stop.
-    */
-    class ElementMirror {
-        constructor() {
-            this.isVisible = false; // must be explicitly enabled
-            this.sourceEl = null;
-            this.mirrorEl = null;
-            this.sourceElRect = null; // screen coords relative to viewport
-            // options that can be set directly by caller
-            this.parentNode = document.body; // HIGHLY SUGGESTED to set this to sidestep ShadowDOM issues
-            this.zIndex = 9999;
-            this.revertDuration = 0;
-        }
-        start(sourceEl, pageX, pageY) {
-            this.sourceEl = sourceEl;
-            this.sourceElRect = this.sourceEl.getBoundingClientRect();
-            this.origScreenX = pageX - window.scrollX;
-            this.origScreenY = pageY - window.scrollY;
-            this.deltaX = 0;
-            this.deltaY = 0;
-            this.updateElPosition();
-        }
-        handleMove(pageX, pageY) {
-            this.deltaX = (pageX - window.scrollX) - this.origScreenX;
-            this.deltaY = (pageY - window.scrollY) - this.origScreenY;
-            this.updateElPosition();
-        }
-        // can be called before start
-        setIsVisible(bool) {
-            if (bool) {
-                if (!this.isVisible) {
-                    if (this.mirrorEl) {
-                        this.mirrorEl.style.display = '';
-                    }
-                    this.isVisible = bool; // needs to happen before updateElPosition
-                    this.updateElPosition(); // because was not updating the position while invisible
-                }
-            }
-            else if (this.isVisible) {
-                if (this.mirrorEl) {
-                    this.mirrorEl.style.display = 'none';
-                }
-                this.isVisible = bool;
-            }
-        }
-        // always async
-        stop(needsRevertAnimation, callback) {
-            let done = () => {
-                this.cleanup();
-                callback();
-            };
-            if (needsRevertAnimation &&
-                this.mirrorEl &&
-                this.isVisible &&
-                this.revertDuration && // if 0, transition won't work
-                (this.deltaX || this.deltaY) // if same coords, transition won't work
-            ) {
-                this.doRevertAnimation(done, this.revertDuration);
-            }
-            else {
-                setTimeout(done, 0);
-            }
-        }
-        doRevertAnimation(callback, revertDuration) {
-            let mirrorEl = this.mirrorEl;
-            let finalSourceElRect = this.sourceEl.getBoundingClientRect(); // because autoscrolling might have happened
-            mirrorEl.style.transition =
-                'top ' + revertDuration + 'ms,' +
-                    'left ' + revertDuration + 'ms';
-            applyStyle(mirrorEl, {
-                left: finalSourceElRect.left,
-                top: finalSourceElRect.top,
-            });
-            whenTransitionDone(mirrorEl, () => {
-                mirrorEl.style.transition = '';
-                callback();
-            });
-        }
-        cleanup() {
-            if (this.mirrorEl) {
-                removeElement(this.mirrorEl);
-                this.mirrorEl = null;
-            }
-            this.sourceEl = null;
-        }
-        updateElPosition() {
-            if (this.sourceEl && this.isVisible) {
-                applyStyle(this.getMirrorEl(), {
-                    left: this.sourceElRect.left + this.deltaX,
-                    top: this.sourceElRect.top + this.deltaY,
-                });
-            }
-        }
-        getMirrorEl() {
-            let sourceElRect = this.sourceElRect;
-            let mirrorEl = this.mirrorEl;
-            if (!mirrorEl) {
-                mirrorEl = this.mirrorEl = this.sourceEl.cloneNode(true); // cloneChildren=true
-                // we don't want long taps or any mouse interaction causing selection/menus.
-                // would use preventSelection(), but that prevents selectstart, causing problems.
-                mirrorEl.style.userSelect = 'none';
-                mirrorEl.style.webkitUserSelect = 'none';
-                mirrorEl.style.pointerEvents = 'none';
-                mirrorEl.classList.add('fc-event-dragging');
-                applyStyle(mirrorEl, {
-                    position: 'fixed',
-                    zIndex: this.zIndex,
-                    visibility: '',
-                    boxSizing: 'border-box',
-                    width: sourceElRect.right - sourceElRect.left,
-                    height: sourceElRect.bottom - sourceElRect.top,
-                    right: 'auto',
-                    bottom: 'auto',
-                    margin: 0,
-                });
-                this.parentNode.appendChild(mirrorEl);
-            }
-            return mirrorEl;
-        }
-    }
-
-    /*
-    Is a cache for a given element's scroll information (all the info that ScrollController stores)
-    in addition the "client rectangle" of the element.. the area within the scrollbars.
-
-    The cache can be in one of two modes:
-    - doesListening:false - ignores when the container is scrolled by someone else
-    - doesListening:true - watch for scrolling and update the cache
-    */
-    class ScrollGeomCache extends ScrollController {
-        constructor(scrollController, doesListening) {
-            super();
-            this.handleScroll = () => {
-                this.scrollTop = this.scrollController.getScrollTop();
-                this.scrollLeft = this.scrollController.getScrollLeft();
-                this.handleScrollChange();
-            };
-            this.scrollController = scrollController;
-            this.doesListening = doesListening;
-            this.scrollTop = this.origScrollTop = scrollController.getScrollTop();
-            this.scrollLeft = this.origScrollLeft = scrollController.getScrollLeft();
-            this.scrollWidth = scrollController.getScrollWidth();
-            this.scrollHeight = scrollController.getScrollHeight();
-            this.clientWidth = scrollController.getClientWidth();
-            this.clientHeight = scrollController.getClientHeight();
-            this.clientRect = this.computeClientRect(); // do last in case it needs cached values
-            if (this.doesListening) {
-                this.getEventTarget().addEventListener('scroll', this.handleScroll);
-            }
-        }
-        destroy() {
-            if (this.doesListening) {
-                this.getEventTarget().removeEventListener('scroll', this.handleScroll);
-            }
-        }
-        getScrollTop() {
-            return this.scrollTop;
-        }
-        getScrollLeft() {
-            return this.scrollLeft;
-        }
-        setScrollTop(top) {
-            this.scrollController.setScrollTop(top);
-            if (!this.doesListening) {
-                // we are not relying on the element to normalize out-of-bounds scroll values
-                // so we need to sanitize ourselves
-                this.scrollTop = Math.max(Math.min(top, this.getMaxScrollTop()), 0);
-                this.handleScrollChange();
-            }
-        }
-        setScrollLeft(top) {
-            this.scrollController.setScrollLeft(top);
-            if (!this.doesListening) {
-                // we are not relying on the element to normalize out-of-bounds scroll values
-                // so we need to sanitize ourselves
-                this.scrollLeft = Math.max(Math.min(top, this.getMaxScrollLeft()), 0);
-                this.handleScrollChange();
-            }
-        }
-        getClientWidth() {
-            return this.clientWidth;
-        }
-        getClientHeight() {
-            return this.clientHeight;
-        }
-        getScrollWidth() {
-            return this.scrollWidth;
-        }
-        getScrollHeight() {
-            return this.scrollHeight;
-        }
-        handleScrollChange() {
-        }
-    }
-
-    class ElementScrollGeomCache extends ScrollGeomCache {
-        constructor(el, doesListening) {
-            super(new ElementScrollController(el), doesListening);
-        }
-        getEventTarget() {
-            return this.scrollController.el;
-        }
-        computeClientRect() {
-            return computeInnerRect(this.scrollController.el);
-        }
-    }
-
-    class WindowScrollGeomCache extends ScrollGeomCache {
-        constructor(doesListening) {
-            super(new WindowScrollController(), doesListening);
-        }
-        getEventTarget() {
-            return window;
-        }
-        computeClientRect() {
-            return {
-                left: this.scrollLeft,
-                right: this.scrollLeft + this.clientWidth,
-                top: this.scrollTop,
-                bottom: this.scrollTop + this.clientHeight,
-            };
-        }
-        // the window is the only scroll object that changes it's rectangle relative
-        // to the document's topleft as it scrolls
-        handleScrollChange() {
-            this.clientRect = this.computeClientRect();
-        }
-    }
-
-    // If available we are using native "performance" API instead of "Date"
-    // Read more about it on MDN:
-    // https://developer.mozilla.org/en-US/docs/Web/API/Performance
-    const getTime = typeof performance === 'function' ? performance.now : Date.now;
-    /*
-    For a pointer interaction, automatically scrolls certain scroll containers when the pointer
-    approaches the edge.
-
-    The caller must call start + handleMove + stop.
-    */
-    class AutoScroller {
-        constructor() {
-            // options that can be set by caller
-            this.isEnabled = true;
-            this.scrollQuery = [window, '.fc-scroller'];
-            this.edgeThreshold = 50; // pixels
-            this.maxVelocity = 300; // pixels per second
-            // internal state
-            this.pointerScreenX = null;
-            this.pointerScreenY = null;
-            this.isAnimating = false;
-            this.scrollCaches = null;
-            // protect against the initial pointerdown being too close to an edge and starting the scroll
-            this.everMovedUp = false;
-            this.everMovedDown = false;
-            this.everMovedLeft = false;
-            this.everMovedRight = false;
-            this.animate = () => {
-                if (this.isAnimating) { // wasn't cancelled between animation calls
-                    let edge = this.computeBestEdge(this.pointerScreenX + window.scrollX, this.pointerScreenY + window.scrollY);
-                    if (edge) {
-                        let now = getTime();
-                        this.handleSide(edge, (now - this.msSinceRequest) / 1000);
-                        this.requestAnimation(now);
-                    }
-                    else {
-                        this.isAnimating = false; // will stop animation
-                    }
-                }
-            };
-        }
-        start(pageX, pageY, scrollStartEl) {
-            if (this.isEnabled) {
-                this.scrollCaches = this.buildCaches(scrollStartEl);
-                this.pointerScreenX = null;
-                this.pointerScreenY = null;
-                this.everMovedUp = false;
-                this.everMovedDown = false;
-                this.everMovedLeft = false;
-                this.everMovedRight = false;
-                this.handleMove(pageX, pageY);
-            }
-        }
-        handleMove(pageX, pageY) {
-            if (this.isEnabled) {
-                let pointerScreenX = pageX - window.scrollX;
-                let pointerScreenY = pageY - window.scrollY;
-                let yDelta = this.pointerScreenY === null ? 0 : pointerScreenY - this.pointerScreenY;
-                let xDelta = this.pointerScreenX === null ? 0 : pointerScreenX - this.pointerScreenX;
-                if (yDelta < 0) {
-                    this.everMovedUp = true;
-                }
-                else if (yDelta > 0) {
-                    this.everMovedDown = true;
-                }
-                if (xDelta < 0) {
-                    this.everMovedLeft = true;
-                }
-                else if (xDelta > 0) {
-                    this.everMovedRight = true;
-                }
-                this.pointerScreenX = pointerScreenX;
-                this.pointerScreenY = pointerScreenY;
-                if (!this.isAnimating) {
-                    this.isAnimating = true;
-                    this.requestAnimation(getTime());
-                }
-            }
-        }
-        stop() {
-            if (this.isEnabled) {
-                this.isAnimating = false; // will stop animation
-                for (let scrollCache of this.scrollCaches) {
-                    scrollCache.destroy();
-                }
-                this.scrollCaches = null;
-            }
-        }
-        requestAnimation(now) {
-            this.msSinceRequest = now;
-            requestAnimationFrame(this.animate);
-        }
-        handleSide(edge, seconds) {
-            let { scrollCache } = edge;
-            let { edgeThreshold } = this;
-            let invDistance = edgeThreshold - edge.distance;
-            let velocity = // the closer to the edge, the faster we scroll
-             ((invDistance * invDistance) / (edgeThreshold * edgeThreshold)) * // quadratic
-                this.maxVelocity * seconds;
-            let sign = 1;
-            switch (edge.name) {
-                case 'left':
-                    sign = -1;
-                // falls through
-                case 'right':
-                    scrollCache.setScrollLeft(scrollCache.getScrollLeft() + velocity * sign);
-                    break;
-                case 'top':
-                    sign = -1;
-                // falls through
-                case 'bottom':
-                    scrollCache.setScrollTop(scrollCache.getScrollTop() + velocity * sign);
-                    break;
-            }
-        }
-        // left/top are relative to document topleft
-        computeBestEdge(left, top) {
-            let { edgeThreshold } = this;
-            let bestSide = null;
-            let scrollCaches = this.scrollCaches || [];
-            for (let scrollCache of scrollCaches) {
-                let rect = scrollCache.clientRect;
-                let leftDist = left - rect.left;
-                let rightDist = rect.right - left;
-                let topDist = top - rect.top;
-                let bottomDist = rect.bottom - top;
-                // completely within the rect?
-                if (leftDist >= 0 && rightDist >= 0 && topDist >= 0 && bottomDist >= 0) {
-                    if (topDist <= edgeThreshold && this.everMovedUp && scrollCache.canScrollUp() &&
-                        (!bestSide || bestSide.distance > topDist)) {
-                        bestSide = { scrollCache, name: 'top', distance: topDist };
-                    }
-                    if (bottomDist <= edgeThreshold && this.everMovedDown && scrollCache.canScrollDown() &&
-                        (!bestSide || bestSide.distance > bottomDist)) {
-                        bestSide = { scrollCache, name: 'bottom', distance: bottomDist };
-                    }
-                    /*
-                    TODO: fix broken RTL scrolling. canScrollLeft always returning false
-                    https://github.com/fullcalendar/fullcalendar/issues/4837
-                    */
-                    if (leftDist <= edgeThreshold && this.everMovedLeft && scrollCache.canScrollLeft() &&
-                        (!bestSide || bestSide.distance > leftDist)) {
-                        bestSide = { scrollCache, name: 'left', distance: leftDist };
-                    }
-                    if (rightDist <= edgeThreshold && this.everMovedRight && scrollCache.canScrollRight() &&
-                        (!bestSide || bestSide.distance > rightDist)) {
-                        bestSide = { scrollCache, name: 'right', distance: rightDist };
-                    }
-                }
-            }
-            return bestSide;
-        }
-        buildCaches(scrollStartEl) {
-            return this.queryScrollEls(scrollStartEl).map((el) => {
-                if (el === window) {
-                    return new WindowScrollGeomCache(false); // false = don't listen to user-generated scrolls
-                }
-                return new ElementScrollGeomCache(el, false); // false = don't listen to user-generated scrolls
-            });
-        }
-        queryScrollEls(scrollStartEl) {
-            let els = [];
-            for (let query of this.scrollQuery) {
-                if (typeof query === 'object') {
-                    els.push(query);
-                }
-                else {
-                    /*
-                    TODO: in the future, always have auto-scroll happen on element where current Hit came from
-                    Ticket: https://github.com/fullcalendar/fullcalendar/issues/4593
-                    */
-                    els.push(...Array.prototype.slice.call(scrollStartEl.getRootNode().querySelectorAll(query)));
-                }
-            }
-            return els;
-        }
-    }
-
-    /*
-    Monitors dragging on an element. Has a number of high-level features:
-    - minimum distance required before dragging
-    - minimum wait time ("delay") before dragging
-    - a mirror element that follows the pointer
-    */
-    class FeaturefulElementDragging extends ElementDragging {
-        constructor(containerEl, selector) {
-            super(containerEl);
-            this.containerEl = containerEl;
-            // options that can be directly set by caller
-            // the caller can also set the PointerDragging's options as well
-            this.delay = null;
-            this.minDistance = 0;
-            this.touchScrollAllowed = true; // prevents drag from starting and blocks scrolling during drag
-            this.mirrorNeedsRevert = false;
-            this.isInteracting = false; // is the user validly moving the pointer? lasts until pointerup
-            this.isDragging = false; // is it INTENTFULLY dragging? lasts until after revert animation
-            this.isDelayEnded = false;
-            this.isDistanceSurpassed = false;
-            this.delayTimeoutId = null;
-            this.onPointerDown = (ev) => {
-                if (!this.isDragging) { // so new drag doesn't happen while revert animation is going
-                    this.isInteracting = true;
-                    this.isDelayEnded = false;
-                    this.isDistanceSurpassed = false;
-                    preventSelection(document.body);
-                    preventContextMenu(document.body);
-                    // prevent links from being visited if there's an eventual drag.
-                    // also prevents selection in older browsers (maybe?).
-                    // not necessary for touch, besides, browser would complain about passiveness.
-                    if (!ev.isTouch) {
-                        ev.origEvent.preventDefault();
-                    }
-                    this.emitter.trigger('pointerdown', ev);
-                    if (this.isInteracting && // not destroyed via pointerdown handler
-                        !this.pointer.shouldIgnoreMove) {
-                        // actions related to initiating dragstart+dragmove+dragend...
-                        this.mirror.setIsVisible(false); // reset. caller must set-visible
-                        this.mirror.start(ev.subjectEl, ev.pageX, ev.pageY); // must happen on first pointer down
-                        this.startDelay(ev);
-                        if (!this.minDistance) {
-                            this.handleDistanceSurpassed(ev);
-                        }
-                    }
-                }
-            };
-            this.onPointerMove = (ev) => {
-                if (this.isInteracting) {
-                    this.emitter.trigger('pointermove', ev);
-                    if (!this.isDistanceSurpassed) {
-                        let minDistance = this.minDistance;
-                        let distanceSq; // current distance from the origin, squared
-                        let { deltaX, deltaY } = ev;
-                        distanceSq = deltaX * deltaX + deltaY * deltaY;
-                        if (distanceSq >= minDistance * minDistance) { // use pythagorean theorem
-                            this.handleDistanceSurpassed(ev);
-                        }
-                    }
-                    if (this.isDragging) {
-                        // a real pointer move? (not one simulated by scrolling)
-                        if (ev.origEvent.type !== 'scroll') {
-                            this.mirror.handleMove(ev.pageX, ev.pageY);
-                            this.autoScroller.handleMove(ev.pageX, ev.pageY);
-                        }
-                        this.emitter.trigger('dragmove', ev);
-                    }
-                }
-            };
-            this.onPointerUp = (ev) => {
-                if (this.isInteracting) {
-                    this.isInteracting = false;
-                    allowSelection(document.body);
-                    allowContextMenu(document.body);
-                    this.emitter.trigger('pointerup', ev); // can potentially set mirrorNeedsRevert
-                    if (this.isDragging) {
-                        this.autoScroller.stop();
-                        this.tryStopDrag(ev); // which will stop the mirror
-                    }
-                    if (this.delayTimeoutId) {
-                        clearTimeout(this.delayTimeoutId);
-                        this.delayTimeoutId = null;
-                    }
-                }
-            };
-            let pointer = this.pointer = new PointerDragging(containerEl);
-            pointer.emitter.on('pointerdown', this.onPointerDown);
-            pointer.emitter.on('pointermove', this.onPointerMove);
-            pointer.emitter.on('pointerup', this.onPointerUp);
-            if (selector) {
-                pointer.selector = selector;
-            }
-            this.mirror = new ElementMirror();
-            this.autoScroller = new AutoScroller();
-        }
-        destroy() {
-            this.pointer.destroy();
-            // HACK: simulate a pointer-up to end the current drag
-            // TODO: fire 'dragend' directly and stop interaction. discourage use of pointerup event (b/c might not fire)
-            this.onPointerUp({});
-        }
-        startDelay(ev) {
-            if (typeof this.delay === 'number') {
-                this.delayTimeoutId = setTimeout(() => {
-                    this.delayTimeoutId = null;
-                    this.handleDelayEnd(ev);
-                }, this.delay); // not assignable to number!
-            }
-            else {
-                this.handleDelayEnd(ev);
-            }
-        }
-        handleDelayEnd(ev) {
-            this.isDelayEnded = true;
-            this.tryStartDrag(ev);
-        }
-        handleDistanceSurpassed(ev) {
-            this.isDistanceSurpassed = true;
-            this.tryStartDrag(ev);
-        }
-        tryStartDrag(ev) {
-            if (this.isDelayEnded && this.isDistanceSurpassed) {
-                if (!this.pointer.wasTouchScroll || this.touchScrollAllowed) {
-                    this.isDragging = true;
-                    this.mirrorNeedsRevert = false;
-                    this.autoScroller.start(ev.pageX, ev.pageY, this.containerEl);
-                    this.emitter.trigger('dragstart', ev);
-                    if (this.touchScrollAllowed === false) {
-                        this.pointer.cancelTouchScroll();
-                    }
-                }
-            }
-        }
-        tryStopDrag(ev) {
-            // .stop() is ALWAYS asynchronous, which we NEED because we want all pointerup events
-            // that come from the document to fire beforehand. much more convenient this way.
-            this.mirror.stop(this.mirrorNeedsRevert, this.stopDrag.bind(this, ev));
-        }
-        stopDrag(ev) {
-            this.isDragging = false;
-            this.emitter.trigger('dragend', ev);
-        }
-        // fill in the implementations...
-        setIgnoreMove(bool) {
-            this.pointer.shouldIgnoreMove = bool;
-        }
-        setMirrorIsVisible(bool) {
-            this.mirror.setIsVisible(bool);
-        }
-        setMirrorNeedsRevert(bool) {
-            this.mirrorNeedsRevert = bool;
-        }
-        setAutoScrollEnabled(bool) {
-            this.autoScroller.isEnabled = bool;
-        }
-    }
-
-    /*
-    When this class is instantiated, it records the offset of an element (relative to the document topleft),
-    and continues to monitor scrolling, updating the cached coordinates if it needs to.
-    Does not access the DOM after instantiation, so highly performant.
-
-    Also keeps track of all scrolling/overflow:hidden containers that are parents of the given element
-    and an determine if a given point is inside the combined clipping rectangle.
-    */
-    class OffsetTracker {
-        constructor(el) {
-            this.el = el;
-            this.origRect = computeRect(el);
-            // will work fine for divs that have overflow:hidden
-            this.scrollCaches = getClippingParents(el).map((scrollEl) => new ElementScrollGeomCache(scrollEl, true));
-        }
-        destroy() {
-            for (let scrollCache of this.scrollCaches) {
-                scrollCache.destroy();
-            }
-        }
-        computeLeft() {
-            let left = this.origRect.left;
-            for (let scrollCache of this.scrollCaches) {
-                left += scrollCache.origScrollLeft - scrollCache.getScrollLeft();
-            }
-            return left;
-        }
-        computeTop() {
-            let top = this.origRect.top;
-            for (let scrollCache of this.scrollCaches) {
-                top += scrollCache.origScrollTop - scrollCache.getScrollTop();
-            }
-            return top;
-        }
-        isWithinClipping(pageX, pageY) {
-            let point = { left: pageX, top: pageY };
-            for (let scrollCache of this.scrollCaches) {
-                if (!isIgnoredClipping(scrollCache.getEventTarget()) &&
-                    !pointInsideRect(point, scrollCache.clientRect)) {
-                    return false;
-                }
-            }
-            return true;
-        }
-    }
-    // certain clipping containers should never constrain interactions, like <html> and <body>
-    // https://github.com/fullcalendar/fullcalendar/issues/3615
-    function isIgnoredClipping(node) {
-        let tagName = node.tagName;
-        return tagName === 'HTML' || tagName === 'BODY';
-    }
-
-    /*
-    Tracks movement over multiple droppable areas (aka "hits")
-    that exist in one or more DateComponents.
-    Relies on an existing draggable.
-
-    emits:
-    - pointerdown
-    - dragstart
-    - hitchange - fires initially, even if not over a hit
-    - pointerup
-    - (hitchange - again, to null, if ended over a hit)
-    - dragend
-    */
-    class HitDragging {
-        constructor(dragging, droppableStore) {
-            // options that can be set by caller
-            this.useSubjectCenter = false;
-            this.requireInitial = true; // if doesn't start out on a hit, won't emit any events
-            this.disablePointCheck = false;
-            this.initialHit = null;
-            this.movingHit = null;
-            this.finalHit = null; // won't ever be populated if shouldIgnoreMove
-            this.handlePointerDown = (ev) => {
-                let { dragging } = this;
-                this.initialHit = null;
-                this.movingHit = null;
-                this.finalHit = null;
-                this.prepareHits();
-                this.processFirstCoord(ev);
-                if (this.initialHit || !this.requireInitial) {
-                    dragging.setIgnoreMove(false);
-                    // TODO: fire this before computing processFirstCoord, so listeners can cancel. this gets fired by almost every handler :(
-                    this.emitter.trigger('pointerdown', ev);
-                }
-                else {
-                    dragging.setIgnoreMove(true);
-                }
-            };
-            this.handleDragStart = (ev) => {
-                this.emitter.trigger('dragstart', ev);
-                this.handleMove(ev, true); // force = fire even if initially null
-            };
-            this.handleDragMove = (ev) => {
-                this.emitter.trigger('dragmove', ev);
-                this.handleMove(ev);
-            };
-            this.handlePointerUp = (ev) => {
-                this.releaseHits();
-                this.emitter.trigger('pointerup', ev);
-            };
-            this.handleDragEnd = (ev) => {
-                if (this.movingHit) {
-                    this.emitter.trigger('hitupdate', null, true, ev);
-                }
-                this.finalHit = this.movingHit;
-                this.movingHit = null;
-                this.emitter.trigger('dragend', ev);
-            };
-            this.droppableStore = droppableStore;
-            dragging.emitter.on('pointerdown', this.handlePointerDown);
-            dragging.emitter.on('dragstart', this.handleDragStart);
-            dragging.emitter.on('dragmove', this.handleDragMove);
-            dragging.emitter.on('pointerup', this.handlePointerUp);
-            dragging.emitter.on('dragend', this.handleDragEnd);
-            this.dragging = dragging;
-            this.emitter = new Emitter();
-        }
-        // sets initialHit
-        // sets coordAdjust
-        processFirstCoord(ev) {
-            let origPoint = { left: ev.pageX, top: ev.pageY };
-            let adjustedPoint = origPoint;
-            let subjectEl = ev.subjectEl;
-            let subjectRect;
-            if (subjectEl instanceof HTMLElement) { // i.e. not a Document/ShadowRoot
-                subjectRect = computeRect(subjectEl);
-                adjustedPoint = constrainPoint(adjustedPoint, subjectRect);
-            }
-            let initialHit = this.initialHit = this.queryHitForOffset(adjustedPoint.left, adjustedPoint.top);
-            if (initialHit) {
-                if (this.useSubjectCenter && subjectRect) {
-                    let slicedSubjectRect = intersectRects(subjectRect, initialHit.rect);
-                    if (slicedSubjectRect) {
-                        adjustedPoint = getRectCenter(slicedSubjectRect);
-                    }
-                }
-                this.coordAdjust = diffPoints(adjustedPoint, origPoint);
-            }
-            else {
-                this.coordAdjust = { left: 0, top: 0 };
-            }
-        }
-        handleMove(ev, forceHandle) {
-            let hit = this.queryHitForOffset(ev.pageX + this.coordAdjust.left, ev.pageY + this.coordAdjust.top);
-            if (forceHandle || !isHitsEqual(this.movingHit, hit)) {
-                this.movingHit = hit;
-                this.emitter.trigger('hitupdate', hit, false, ev);
-            }
-        }
-        prepareHits() {
-            this.offsetTrackers = mapHash(this.droppableStore, (interactionSettings) => {
-                interactionSettings.component.prepareHits();
-                return new OffsetTracker(interactionSettings.el);
-            });
-        }
-        releaseHits() {
-            let { offsetTrackers } = this;
-            for (let id in offsetTrackers) {
-                offsetTrackers[id].destroy();
-            }
-            this.offsetTrackers = {};
-        }
-        queryHitForOffset(offsetLeft, offsetTop) {
-            let { droppableStore, offsetTrackers } = this;
-            let bestHit = null;
-            for (let id in droppableStore) {
-                let component = droppableStore[id].component;
-                let offsetTracker = offsetTrackers[id];
-                if (offsetTracker && // wasn't destroyed mid-drag
-                    offsetTracker.isWithinClipping(offsetLeft, offsetTop)) {
-                    let originLeft = offsetTracker.computeLeft();
-                    let originTop = offsetTracker.computeTop();
-                    let positionLeft = offsetLeft - originLeft;
-                    let positionTop = offsetTop - originTop;
-                    let { origRect } = offsetTracker;
-                    let width = origRect.right - origRect.left;
-                    let height = origRect.bottom - origRect.top;
-                    if (
-                    // must be within the element's bounds
-                    positionLeft >= 0 && positionLeft < width &&
-                        positionTop >= 0 && positionTop < height) {
-                        let hit = component.queryHit(positionLeft, positionTop, width, height);
-                        if (hit && (
-                        // make sure the hit is within activeRange, meaning it's not a dead cell
-                        rangeContainsRange(hit.dateProfile.activeRange, hit.dateSpan.range)) &&
-                            // Ensure the component we are querying for the hit is accessibly my the pointer
-                            // Prevents obscured calendars (ex: under a modal dialog) from accepting hit
-                            // https://github.com/fullcalendar/fullcalendar/issues/5026
-                            (this.disablePointCheck ||
-                                offsetTracker.el.contains(offsetTracker.el.getRootNode().elementFromPoint(
-                                // add-back origins to get coordinate relative to top-left of window viewport
-                                positionLeft + originLeft - window.scrollX, positionTop + originTop - window.scrollY))) &&
-                            (!bestHit || hit.layer > bestHit.layer)) {
-                            hit.componentId = id;
-                            hit.context = component.context;
-                            // TODO: better way to re-orient rectangle
-                            hit.rect.left += originLeft;
-                            hit.rect.right += originLeft;
-                            hit.rect.top += originTop;
-                            hit.rect.bottom += originTop;
-                            bestHit = hit;
-                        }
-                    }
-                }
-            }
-            return bestHit;
-        }
-    }
-    function isHitsEqual(hit0, hit1) {
-        if (!hit0 && !hit1) {
-            return true;
-        }
-        if (Boolean(hit0) !== Boolean(hit1)) {
-            return false;
-        }
-        return isDateSpansEqual(hit0.dateSpan, hit1.dateSpan);
-    }
-
-    function buildDatePointApiWithContext(dateSpan, context) {
-        let props = {};
-        for (let transform of context.pluginHooks.datePointTransforms) {
-            Object.assign(props, transform(dateSpan, context));
-        }
-        Object.assign(props, buildDatePointApi(dateSpan, context.dateEnv));
-        return props;
-    }
-    function buildDatePointApi(span, dateEnv) {
-        return {
-            date: dateEnv.toDate(span.range.start),
-            dateStr: dateEnv.formatIso(span.range.start, { omitTime: span.allDay }),
-            allDay: span.allDay,
-        };
-    }
-
-    /*
-    Monitors when the user clicks on a specific date/time of a component.
-    A pointerdown+pointerup on the same "hit" constitutes a click.
-    */
-    class DateClicking extends Interaction {
-        constructor(settings) {
-            super(settings);
-            this.handlePointerDown = (pev) => {
-                let { dragging } = this;
-                let downEl = pev.origEvent.target;
-                // do this in pointerdown (not dragend) because DOM might be mutated by the time dragend is fired
-                dragging.setIgnoreMove(!this.component.isValidDateDownEl(downEl));
-            };
-            // won't even fire if moving was ignored
-            this.handleDragEnd = (ev) => {
-                let { component } = this;
-                let { pointer } = this.dragging;
-                if (!pointer.wasTouchScroll) {
-                    let { initialHit, finalHit } = this.hitDragging;
-                    if (initialHit && finalHit && isHitsEqual(initialHit, finalHit)) {
-                        let { context } = component;
-                        let arg = Object.assign(Object.assign({}, buildDatePointApiWithContext(initialHit.dateSpan, context)), { dayEl: initialHit.dayEl, jsEvent: ev.origEvent, view: context.viewApi || context.calendarApi.view });
-                        context.emitter.trigger('dateClick', arg);
-                    }
-                }
-            };
-            // we DO want to watch pointer moves because otherwise finalHit won't get populated
-            this.dragging = new FeaturefulElementDragging(settings.el);
-            this.dragging.autoScroller.isEnabled = false;
-            let hitDragging = this.hitDragging = new HitDragging(this.dragging, interactionSettingsToStore(settings));
-            hitDragging.emitter.on('pointerdown', this.handlePointerDown);
-            hitDragging.emitter.on('dragend', this.handleDragEnd);
-        }
-        destroy() {
-            this.dragging.destroy();
-        }
-    }
-
-    /*
-    Tracks when the user selects a portion of time of a component,
-    constituted by a drag over date cells, with a possible delay at the beginning of the drag.
-    */
-    class DateSelecting extends Interaction {
-        constructor(settings) {
-            super(settings);
-            this.dragSelection = null;
-            this.handlePointerDown = (ev) => {
-                let { component, dragging } = this;
-                let { options } = component.context;
-                let canSelect = options.selectable &&
-                    component.isValidDateDownEl(ev.origEvent.target);
-                // don't bother to watch expensive moves if component won't do selection
-                dragging.setIgnoreMove(!canSelect);
-                // if touch, require user to hold down
-                dragging.delay = ev.isTouch ? getComponentTouchDelay$1(component) : null;
-            };
-            this.handleDragStart = (ev) => {
-                this.component.context.calendarApi.unselect(ev); // unselect previous selections
-            };
-            this.handleHitUpdate = (hit, isFinal) => {
-                let { context } = this.component;
-                let dragSelection = null;
-                let isInvalid = false;
-                if (hit) {
-                    let initialHit = this.hitDragging.initialHit;
-                    let disallowed = hit.componentId === initialHit.componentId
-                        && this.isHitComboAllowed
-                        && !this.isHitComboAllowed(initialHit, hit);
-                    if (!disallowed) {
-                        dragSelection = joinHitsIntoSelection(initialHit, hit, context.pluginHooks.dateSelectionTransformers);
-                    }
-                    if (!dragSelection || !isDateSelectionValid(dragSelection, hit.dateProfile, context)) {
-                        isInvalid = true;
-                        dragSelection = null;
-                    }
-                }
-                if (dragSelection) {
-                    context.dispatch({ type: 'SELECT_DATES', selection: dragSelection });
-                }
-                else if (!isFinal) { // only unselect if moved away while dragging
-                    context.dispatch({ type: 'UNSELECT_DATES' });
-                }
-                if (!isInvalid) {
-                    enableCursor();
-                }
-                else {
-                    disableCursor();
-                }
-                if (!isFinal) {
-                    this.dragSelection = dragSelection; // only clear if moved away from all hits while dragging
-                }
-            };
-            this.handlePointerUp = (pev) => {
-                if (this.dragSelection) {
-                    // selection is already rendered, so just need to report selection
-                    triggerDateSelect(this.dragSelection, pev, this.component.context);
-                    this.dragSelection = null;
-                }
-            };
-            let { component } = settings;
-            let { options } = component.context;
-            let dragging = this.dragging = new FeaturefulElementDragging(settings.el);
-            dragging.touchScrollAllowed = false;
-            dragging.minDistance = options.selectMinDistance || 0;
-            dragging.autoScroller.isEnabled = options.dragScroll;
-            let hitDragging = this.hitDragging = new HitDragging(this.dragging, interactionSettingsToStore(settings));
-            hitDragging.emitter.on('pointerdown', this.handlePointerDown);
-            hitDragging.emitter.on('dragstart', this.handleDragStart);
-            hitDragging.emitter.on('hitupdate', this.handleHitUpdate);
-            hitDragging.emitter.on('pointerup', this.handlePointerUp);
-        }
-        destroy() {
-            this.dragging.destroy();
-        }
-    }
-    function getComponentTouchDelay$1(component) {
-        let { options } = component.context;
-        let delay = options.selectLongPressDelay;
-        if (delay == null) {
-            delay = options.longPressDelay;
-        }
-        return delay;
-    }
-    function joinHitsIntoSelection(hit0, hit1, dateSelectionTransformers) {
-        let dateSpan0 = hit0.dateSpan;
-        let dateSpan1 = hit1.dateSpan;
-        let ms = [
-            dateSpan0.range.start,
-            dateSpan0.range.end,
-            dateSpan1.range.start,
-            dateSpan1.range.end,
-        ];
-        ms.sort(compareNumbers);
-        let props = {};
-        for (let transformer of dateSelectionTransformers) {
-            let res = transformer(hit0, hit1);
-            if (res === false) {
-                return null;
-            }
-            if (res) {
-                Object.assign(props, res);
-            }
-        }
-        props.range = { start: ms[0], end: ms[3] };
-        props.allDay = dateSpan0.allDay;
-        return props;
-    }
-
-    class EventDragging extends Interaction {
-        constructor(settings) {
-            super(settings);
-            // internal state
-            this.subjectEl = null;
-            this.subjectSeg = null; // the seg being selected/dragged
-            this.isDragging = false;
-            this.eventRange = null;
-            this.relevantEvents = null; // the events being dragged
-            this.receivingContext = null;
-            this.validMutation = null;
-            this.mutatedRelevantEvents = null;
-            this.handlePointerDown = (ev) => {
-                let origTarget = ev.origEvent.target;
-                let { component, dragging } = this;
-                let { mirror } = dragging;
-                let { options } = component.context;
-                let initialContext = component.context;
-                this.subjectEl = ev.subjectEl;
-                let subjectSeg = this.subjectSeg = getElSeg(ev.subjectEl);
-                let eventRange = this.eventRange = subjectSeg.eventRange;
-                let eventInstanceId = eventRange.instance.instanceId;
-                this.relevantEvents = getRelevantEvents(initialContext.getCurrentData().eventStore, eventInstanceId);
-                dragging.minDistance = ev.isTouch ? 0 : options.eventDragMinDistance;
-                dragging.delay =
-                    // only do a touch delay if touch and this event hasn't been selected yet
-                    (ev.isTouch && eventInstanceId !== component.props.eventSelection) ?
-                        getComponentTouchDelay(component) :
-                        null;
-                if (options.fixedMirrorParent) {
-                    mirror.parentNode = options.fixedMirrorParent;
-                }
-                else {
-                    mirror.parentNode = elementClosest(origTarget, '.fc');
-                }
-                mirror.revertDuration = options.dragRevertDuration;
-                let isValid = component.isValidSegDownEl(origTarget) &&
-                    !elementClosest(origTarget, '.fc-event-resizer'); // NOT on a resizer
-                dragging.setIgnoreMove(!isValid);
-                // disable dragging for elements that are resizable (ie, selectable)
-                // but are not draggable
-                this.isDragging = isValid &&
-                    ev.subjectEl.classList.contains('fc-event-draggable');
-            };
-            this.handleDragStart = (ev) => {
-                let initialContext = this.component.context;
-                let eventRange = this.eventRange;
-                let eventInstanceId = eventRange.instance.instanceId;
-                if (ev.isTouch) {
-                    // need to select a different event?
-                    if (eventInstanceId !== this.component.props.eventSelection) {
-                        initialContext.dispatch({ type: 'SELECT_EVENT', eventInstanceId });
-                    }
-                }
-                else {
-                    // if now using mouse, but was previous touch interaction, clear selected event
-                    initialContext.dispatch({ type: 'UNSELECT_EVENT' });
-                }
-                if (this.isDragging) {
-                    initialContext.calendarApi.unselect(ev); // unselect *date* selection
-                    initialContext.emitter.trigger('eventDragStart', {
-                        el: this.subjectEl,
-                        event: new EventImpl(initialContext, eventRange.def, eventRange.instance),
-                        jsEvent: ev.origEvent,
-                        view: initialContext.viewApi,
-                    });
-                }
-            };
-            this.handleHitUpdate = (hit, isFinal) => {
-                if (!this.isDragging) {
-                    return;
-                }
-                let relevantEvents = this.relevantEvents;
-                let initialHit = this.hitDragging.initialHit;
-                let initialContext = this.component.context;
-                // states based on new hit
-                let receivingContext = null;
-                let mutation = null;
-                let mutatedRelevantEvents = null;
-                let isInvalid = false;
-                let interaction = {
-                    affectedEvents: relevantEvents,
-                    mutatedEvents: createEmptyEventStore(),
-                    isEvent: true,
-                };
-                if (hit) {
-                    receivingContext = hit.context;
-                    let receivingOptions = receivingContext.options;
-                    if (initialContext === receivingContext ||
-                        (receivingOptions.editable && receivingOptions.droppable)) {
-                        mutation = computeEventMutation(initialHit, hit, this.eventRange.instance.range.start, receivingContext.getCurrentData().pluginHooks.eventDragMutationMassagers);
-                        if (mutation) {
-                            mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, receivingContext.getCurrentData().eventUiBases, mutation, receivingContext);
-                            interaction.mutatedEvents = mutatedRelevantEvents;
-                            if (!isInteractionValid(interaction, hit.dateProfile, receivingContext)) {
-                                isInvalid = true;
-                                mutation = null;
-                                mutatedRelevantEvents = null;
-                                interaction.mutatedEvents = createEmptyEventStore();
-                            }
-                        }
-                    }
-                    else {
-                        receivingContext = null;
-                    }
-                }
-                this.displayDrag(receivingContext, interaction);
-                if (!isInvalid) {
-                    enableCursor();
-                }
-                else {
-                    disableCursor();
-                }
-                if (!isFinal) {
-                    if (initialContext === receivingContext && // TODO: write test for this
-                        isHitsEqual(initialHit, hit)) {
-                        mutation = null;
-                    }
-                    this.dragging.setMirrorNeedsRevert(!mutation);
-                    // render the mirror if no already-rendered mirror
-                    // TODO: wish we could somehow wait for dispatch to guarantee render
-                    this.dragging.setMirrorIsVisible(!hit || !this.subjectEl.getRootNode().querySelector('.fc-event-mirror'));
-                    // assign states based on new hit
-                    this.receivingContext = receivingContext;
-                    this.validMutation = mutation;
-                    this.mutatedRelevantEvents = mutatedRelevantEvents;
-                }
-            };
-            this.handlePointerUp = () => {
-                if (!this.isDragging) {
-                    this.cleanup(); // because handleDragEnd won't fire
-                }
-            };
-            this.handleDragEnd = (ev) => {
-                if (this.isDragging) {
-                    let initialContext = this.component.context;
-                    let initialView = initialContext.viewApi;
-                    let { receivingContext, validMutation } = this;
-                    let eventDef = this.eventRange.def;
-                    let eventInstance = this.eventRange.instance;
-                    let eventApi = new EventImpl(initialContext, eventDef, eventInstance);
-                    let relevantEvents = this.relevantEvents;
-                    let mutatedRelevantEvents = this.mutatedRelevantEvents;
-                    let { finalHit } = this.hitDragging;
-                    this.clearDrag(); // must happen after revert animation
-                    initialContext.emitter.trigger('eventDragStop', {
-                        el: this.subjectEl,
-                        event: eventApi,
-                        jsEvent: ev.origEvent,
-                        view: initialView,
-                    });
-                    if (validMutation) {
-                        // dropped within same calendar
-                        if (receivingContext === initialContext) {
-                            let updatedEventApi = new EventImpl(initialContext, mutatedRelevantEvents.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents.instances[eventInstance.instanceId] : null);
-                            initialContext.dispatch({
-                                type: 'MERGE_EVENTS',
-                                eventStore: mutatedRelevantEvents,
-                            });
-                            let eventChangeArg = {
-                                oldEvent: eventApi,
-                                event: updatedEventApi,
-                                relatedEvents: buildEventApis(mutatedRelevantEvents, initialContext, eventInstance),
-                                revert() {
-                                    initialContext.dispatch({
-                                        type: 'MERGE_EVENTS',
-                                        eventStore: relevantEvents, // the pre-change data
-                                    });
-                                },
-                            };
-                            let transformed = {};
-                            for (let transformer of initialContext.getCurrentData().pluginHooks.eventDropTransformers) {
-                                Object.assign(transformed, transformer(validMutation, initialContext));
-                            }
-                            initialContext.emitter.trigger('eventDrop', Object.assign(Object.assign(Object.assign({}, eventChangeArg), transformed), { el: ev.subjectEl, delta: validMutation.datesDelta, jsEvent: ev.origEvent, view: initialView }));
-                            initialContext.emitter.trigger('eventChange', eventChangeArg);
-                            // dropped in different calendar
-                        }
-                        else if (receivingContext) {
-                            let eventRemoveArg = {
-                                event: eventApi,
-                                relatedEvents: buildEventApis(relevantEvents, initialContext, eventInstance),
-                                revert() {
-                                    initialContext.dispatch({
-                                        type: 'MERGE_EVENTS',
-                                        eventStore: relevantEvents,
-                                    });
-                                },
-                            };
-                            initialContext.emitter.trigger('eventLeave', Object.assign(Object.assign({}, eventRemoveArg), { draggedEl: ev.subjectEl, view: initialView }));
-                            initialContext.dispatch({
-                                type: 'REMOVE_EVENTS',
-                                eventStore: relevantEvents,
-                            });
-                            initialContext.emitter.trigger('eventRemove', eventRemoveArg);
-                            let addedEventDef = mutatedRelevantEvents.defs[eventDef.defId];
-                            let addedEventInstance = mutatedRelevantEvents.instances[eventInstance.instanceId];
-                            let addedEventApi = new EventImpl(receivingContext, addedEventDef, addedEventInstance);
-                            receivingContext.dispatch({
-                                type: 'MERGE_EVENTS',
-                                eventStore: mutatedRelevantEvents,
-                            });
-                            let eventAddArg = {
-                                event: addedEventApi,
-                                relatedEvents: buildEventApis(mutatedRelevantEvents, receivingContext, addedEventInstance),
-                                revert() {
-                                    receivingContext.dispatch({
-                                        type: 'REMOVE_EVENTS',
-                                        eventStore: mutatedRelevantEvents,
-                                    });
-                                },
-                            };
-                            receivingContext.emitter.trigger('eventAdd', eventAddArg);
-                            if (ev.isTouch) {
-                                receivingContext.dispatch({
-                                    type: 'SELECT_EVENT',
-                                    eventInstanceId: eventInstance.instanceId,
-                                });
-                            }
-                            receivingContext.emitter.trigger('drop', Object.assign(Object.assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext)), { draggedEl: ev.subjectEl, jsEvent: ev.origEvent, view: finalHit.context.viewApi }));
-                            receivingContext.emitter.trigger('eventReceive', Object.assign(Object.assign({}, eventAddArg), { draggedEl: ev.subjectEl, view: finalHit.context.viewApi }));
-                        }
-                    }
-                    else {
-                        initialContext.emitter.trigger('_noEventDrop');
-                    }
-                }
-                this.cleanup();
-            };
-            let { component } = this;
-            let { options } = component.context;
-            let dragging = this.dragging = new FeaturefulElementDragging(settings.el);
-            dragging.pointer.selector = EventDragging.SELECTOR;
-            dragging.touchScrollAllowed = false;
-            dragging.autoScroller.isEnabled = options.dragScroll;
-            let hitDragging = this.hitDragging = new HitDragging(this.dragging, interactionSettingsStore);
-            hitDragging.useSubjectCenter = settings.useEventCenter;
-            hitDragging.emitter.on('pointerdown', this.handlePointerDown);
-            hitDragging.emitter.on('dragstart', this.handleDragStart);
-            hitDragging.emitter.on('hitupdate', this.handleHitUpdate);
-            hitDragging.emitter.on('pointerup', this.handlePointerUp);
-            hitDragging.emitter.on('dragend', this.handleDragEnd);
-        }
-        destroy() {
-            this.dragging.destroy();
-        }
-        // render a drag state on the next receivingCalendar
-        displayDrag(nextContext, state) {
-            let initialContext = this.component.context;
-            let prevContext = this.receivingContext;
-            // does the previous calendar need to be cleared?
-            if (prevContext && prevContext !== nextContext) {
-                // does the initial calendar need to be cleared?
-                // if so, don't clear all the way. we still need to to hide the affectedEvents
-                if (prevContext === initialContext) {
-                    prevContext.dispatch({
-                        type: 'SET_EVENT_DRAG',
-                        state: {
-                            affectedEvents: state.affectedEvents,
-                            mutatedEvents: createEmptyEventStore(),
-                            isEvent: true,
-                        },
-                    });
-                    // completely clear the old calendar if it wasn't the initial
-                }
-                else {
-                    prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
-                }
-            }
-            if (nextContext) {
-                nextContext.dispatch({ type: 'SET_EVENT_DRAG', state });
-            }
-        }
-        clearDrag() {
-            let initialCalendar = this.component.context;
-            let { receivingContext } = this;
-            if (receivingContext) {
-                receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
-            }
-            // the initial calendar might have an dummy drag state from displayDrag
-            if (initialCalendar !== receivingContext) {
-                initialCalendar.dispatch({ type: 'UNSET_EVENT_DRAG' });
-            }
-        }
-        cleanup() {
-            this.subjectSeg = null;
-            this.isDragging = false;
-            this.eventRange = null;
-            this.relevantEvents = null;
-            this.receivingContext = null;
-            this.validMutation = null;
-            this.mutatedRelevantEvents = null;
-        }
-    }
-    // TODO: test this in IE11
-    // QUESTION: why do we need it on the resizable???
-    EventDragging.SELECTOR = '.fc-event-draggable, .fc-event-resizable';
-    function computeEventMutation(hit0, hit1, eventInstanceStart, massagers) {
-        let dateSpan0 = hit0.dateSpan;
-        let dateSpan1 = hit1.dateSpan;
-        let date0 = dateSpan0.range.start;
-        let date1 = dateSpan1.range.start;
-        let standardProps = {};
-        if (dateSpan0.allDay !== dateSpan1.allDay) {
-            standardProps.allDay = dateSpan1.allDay;
-            standardProps.hasEnd = hit1.context.options.allDayMaintainDuration;
-            if (dateSpan1.allDay) {
-                // means date1 is already start-of-day,
-                // but date0 needs to be converted
-                date0 = startOfDay(eventInstanceStart);
-            }
-            else {
-                // Moving from allDate->timed
-                // Doesn't matter where on the event the drag began, mutate the event's start-date to date1
-                date0 = eventInstanceStart;
-            }
-        }
-        let delta = diffDates(date0, date1, hit0.context.dateEnv, hit0.componentId === hit1.componentId ?
-            hit0.largeUnit :
-            null);
-        if (delta.milliseconds) { // has hours/minutes/seconds
-            standardProps.allDay = false;
-        }
-        let mutation = {
-            datesDelta: delta,
-            standardProps,
-        };
-        for (let massager of massagers) {
-            massager(mutation, hit0, hit1);
-        }
-        return mutation;
-    }
-    function getComponentTouchDelay(component) {
-        let { options } = component.context;
-        let delay = options.eventLongPressDelay;
-        if (delay == null) {
-            delay = options.longPressDelay;
-        }
-        return delay;
-    }
-
-    class EventResizing extends Interaction {
-        constructor(settings) {
-            super(settings);
-            // internal state
-            this.draggingSegEl = null;
-            this.draggingSeg = null; // TODO: rename to resizingSeg? subjectSeg?
-            this.eventRange = null;
-            this.relevantEvents = null;
-            this.validMutation = null;
-            this.mutatedRelevantEvents = null;
-            this.handlePointerDown = (ev) => {
-                let { component } = this;
-                let segEl = this.querySegEl(ev);
-                let seg = getElSeg(segEl);
-                let eventRange = this.eventRange = seg.eventRange;
-                this.dragging.minDistance = component.context.options.eventDragMinDistance;
-                // if touch, need to be working with a selected event
-                this.dragging.setIgnoreMove(!this.component.isValidSegDownEl(ev.origEvent.target) ||
-                    (ev.isTouch && this.component.props.eventSelection !== eventRange.instance.instanceId));
-            };
-            this.handleDragStart = (ev) => {
-                let { context } = this.component;
-                let eventRange = this.eventRange;
-                this.relevantEvents = getRelevantEvents(context.getCurrentData().eventStore, this.eventRange.instance.instanceId);
-                let segEl = this.querySegEl(ev);
-                this.draggingSegEl = segEl;
-                this.draggingSeg = getElSeg(segEl);
-                context.calendarApi.unselect();
-                context.emitter.trigger('eventResizeStart', {
-                    el: segEl,
-                    event: new EventImpl(context, eventRange.def, eventRange.instance),
-                    jsEvent: ev.origEvent,
-                    view: context.viewApi,
-                });
-            };
-            this.handleHitUpdate = (hit, isFinal, ev) => {
-                let { context } = this.component;
-                let relevantEvents = this.relevantEvents;
-                let initialHit = this.hitDragging.initialHit;
-                let eventInstance = this.eventRange.instance;
-                let mutation = null;
-                let mutatedRelevantEvents = null;
-                let isInvalid = false;
-                let interaction = {
-                    affectedEvents: relevantEvents,
-                    mutatedEvents: createEmptyEventStore(),
-                    isEvent: true,
-                };
-                if (hit) {
-                    let disallowed = hit.componentId === initialHit.componentId
-                        && this.isHitComboAllowed
-                        && !this.isHitComboAllowed(initialHit, hit);
-                    if (!disallowed) {
-                        mutation = computeMutation(initialHit, hit, ev.subjectEl.classList.contains('fc-event-resizer-start'), eventInstance.range);
-                    }
-                }
-                if (mutation) {
-                    mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, context.getCurrentData().eventUiBases, mutation, context);
-                    interaction.mutatedEvents = mutatedRelevantEvents;
-                    if (!isInteractionValid(interaction, hit.dateProfile, context)) {
-                        isInvalid = true;
-                        mutation = null;
-                        mutatedRelevantEvents = null;
-                        interaction.mutatedEvents = null;
-                    }
-                }
-                if (mutatedRelevantEvents) {
-                    context.dispatch({
-                        type: 'SET_EVENT_RESIZE',
-                        state: interaction,
-                    });
-                }
-                else {
-                    context.dispatch({ type: 'UNSET_EVENT_RESIZE' });
-                }
-                if (!isInvalid) {
-                    enableCursor();
-                }
-                else {
-                    disableCursor();
-                }
-                if (!isFinal) {
-                    if (mutation && isHitsEqual(initialHit, hit)) {
-                        mutation = null;
-                    }
-                    this.validMutation = mutation;
-                    this.mutatedRelevantEvents = mutatedRelevantEvents;
-                }
-            };
-            this.handleDragEnd = (ev) => {
-                let { context } = this.component;
-                let eventDef = this.eventRange.def;
-                let eventInstance = this.eventRange.instance;
-                let eventApi = new EventImpl(context, eventDef, eventInstance);
-                let relevantEvents = this.relevantEvents;
-                let mutatedRelevantEvents = this.mutatedRelevantEvents;
-                context.emitter.trigger('eventResizeStop', {
-                    el: this.draggingSegEl,
-                    event: eventApi,
-                    jsEvent: ev.origEvent,
-                    view: context.viewApi,
-                });
-                if (this.validMutation) {
-                    let updatedEventApi = new EventImpl(context, mutatedRelevantEvents.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents.instances[eventInstance.instanceId] : null);
-                    context.dispatch({
-                        type: 'MERGE_EVENTS',
-                        eventStore: mutatedRelevantEvents,
-                    });
-                    let eventChangeArg = {
-                        oldEvent: eventApi,
-                        event: updatedEventApi,
-                        relatedEvents: buildEventApis(mutatedRelevantEvents, context, eventInstance),
-                        revert() {
-                            context.dispatch({
-                                type: 'MERGE_EVENTS',
-                                eventStore: relevantEvents, // the pre-change events
-                            });
-                        },
-                    };
-                    context.emitter.trigger('eventResize', Object.assign(Object.assign({}, eventChangeArg), { el: this.draggingSegEl, startDelta: this.validMutation.startDelta || createDuration(0), endDelta: this.validMutation.endDelta || createDuration(0), jsEvent: ev.origEvent, view: context.viewApi }));
-                    context.emitter.trigger('eventChange', eventChangeArg);
-                }
-                else {
-                    context.emitter.trigger('_noEventResize');
-                }
-                // reset all internal state
-                this.draggingSeg = null;
-                this.relevantEvents = null;
-                this.validMutation = null;
-                // okay to keep eventInstance around. useful to set it in handlePointerDown
-            };
-            let { component } = settings;
-            let dragging = this.dragging = new FeaturefulElementDragging(settings.el);
-            dragging.pointer.selector = '.fc-event-resizer';
-            dragging.touchScrollAllowed = false;
-            dragging.autoScroller.isEnabled = component.context.options.dragScroll;
-            let hitDragging = this.hitDragging = new HitDragging(this.dragging, interactionSettingsToStore(settings));
-            hitDragging.emitter.on('pointerdown', this.handlePointerDown);
-            hitDragging.emitter.on('dragstart', this.handleDragStart);
-            hitDragging.emitter.on('hitupdate', this.handleHitUpdate);
-            hitDragging.emitter.on('dragend', this.handleDragEnd);
-        }
-        destroy() {
-            this.dragging.destroy();
-        }
-        querySegEl(ev) {
-            return elementClosest(ev.subjectEl, '.fc-event');
-        }
-    }
-    function computeMutation(hit0, hit1, isFromStart, instanceRange) {
-        let dateEnv = hit0.context.dateEnv;
-        let date0 = hit0.dateSpan.range.start;
-        let date1 = hit1.dateSpan.range.start;
-        let delta = diffDates(date0, date1, dateEnv, hit0.largeUnit);
-        if (isFromStart) {
-            if (dateEnv.add(instanceRange.start, delta) < instanceRange.end) {
-                return { startDelta: delta };
-            }
-        }
-        else if (dateEnv.add(instanceRange.end, delta) > instanceRange.start) {
-            return { endDelta: delta };
-        }
-        return null;
-    }
-
-    class UnselectAuto {
-        constructor(context) {
-            this.context = context;
-            this.isRecentPointerDateSelect = false; // wish we could use a selector to detect date selection, but uses hit system
-            this.matchesCancel = false;
-            this.matchesEvent = false;
-            this.onSelect = (selectInfo) => {
-                if (selectInfo.jsEvent) {
-                    this.isRecentPointerDateSelect = true;
-                }
-            };
-            this.onDocumentPointerDown = (pev) => {
-                let unselectCancel = this.context.options.unselectCancel;
-                let downEl = getEventTargetViaRoot(pev.origEvent);
-                this.matchesCancel = !!elementClosest(downEl, unselectCancel);
-                this.matchesEvent = !!elementClosest(downEl, EventDragging.SELECTOR); // interaction started on an event?
-            };
-            this.onDocumentPointerUp = (pev) => {
-                let { context } = this;
-                let { documentPointer } = this;
-                let calendarState = context.getCurrentData();
-                // touch-scrolling should never unfocus any type of selection
-                if (!documentPointer.wasTouchScroll) {
-                    if (calendarState.dateSelection && // an existing date selection?
-                        !this.isRecentPointerDateSelect // a new pointer-initiated date selection since last onDocumentPointerUp?
-                    ) {
-                        let unselectAuto = context.options.unselectAuto;
-                        if (unselectAuto && (!unselectAuto || !this.matchesCancel)) {
-                            context.calendarApi.unselect(pev);
-                        }
-                    }
-                    if (calendarState.eventSelection && // an existing event selected?
-                        !this.matchesEvent // interaction DIDN'T start on an event
-                    ) {
-                        context.dispatch({ type: 'UNSELECT_EVENT' });
-                    }
-                }
-                this.isRecentPointerDateSelect = false;
-            };
-            let documentPointer = this.documentPointer = new PointerDragging(document);
-            documentPointer.shouldIgnoreMove = true;
-            documentPointer.shouldWatchScroll = false;
-            documentPointer.emitter.on('pointerdown', this.onDocumentPointerDown);
-            documentPointer.emitter.on('pointerup', this.onDocumentPointerUp);
-            /*
-            TODO: better way to know about whether there was a selection with the pointer
-            */
-            context.emitter.on('select', this.onSelect);
-        }
-        destroy() {
-            this.context.emitter.off('select', this.onSelect);
-            this.documentPointer.destroy();
-        }
-    }
-
-    const OPTION_REFINERS$3 = {
-        fixedMirrorParent: identity,
-    };
-    const LISTENER_REFINERS = {
-        dateClick: identity,
-        eventDragStart: identity,
-        eventDragStop: identity,
-        eventDrop: identity,
-        eventResizeStart: identity,
-        eventResizeStop: identity,
-        eventResize: identity,
-        drop: identity,
-        eventReceive: identity,
-        eventLeave: identity,
-    };
-
-    /*
-    Given an already instantiated draggable object for one-or-more elements,
-    Interprets any dragging as an attempt to drag an events that lives outside
-    of a calendar onto a calendar.
-    */
-    class ExternalElementDragging {
-        constructor(dragging, suppliedDragMeta) {
-            this.receivingContext = null;
-            this.droppableEvent = null; // will exist for all drags, even if create:false
-            this.suppliedDragMeta = null;
-            this.dragMeta = null;
-            this.handleDragStart = (ev) => {
-                this.dragMeta = this.buildDragMeta(ev.subjectEl);
-            };
-            this.handleHitUpdate = (hit, isFinal, ev) => {
-                let { dragging } = this.hitDragging;
-                let receivingContext = null;
-                let droppableEvent = null;
-                let isInvalid = false;
-                let interaction = {
-                    affectedEvents: createEmptyEventStore(),
-                    mutatedEvents: createEmptyEventStore(),
-                    isEvent: this.dragMeta.create,
-                };
-                if (hit) {
-                    receivingContext = hit.context;
-                    if (this.canDropElOnCalendar(ev.subjectEl, receivingContext)) {
-                        droppableEvent = computeEventForDateSpan(hit.dateSpan, this.dragMeta, receivingContext);
-                        interaction.mutatedEvents = eventTupleToStore(droppableEvent);
-                        isInvalid = !isInteractionValid(interaction, hit.dateProfile, receivingContext);
-                        if (isInvalid) {
-                            interaction.mutatedEvents = createEmptyEventStore();
-                            droppableEvent = null;
-                        }
-                    }
-                }
-                this.displayDrag(receivingContext, interaction);
-                // show mirror if no already-rendered mirror element OR if we are shutting down the mirror (?)
-                // TODO: wish we could somehow wait for dispatch to guarantee render
-                dragging.setMirrorIsVisible(isFinal || !droppableEvent || !document.querySelector('.fc-event-mirror'));
-                if (!isInvalid) {
-                    enableCursor();
-                }
-                else {
-                    disableCursor();
-                }
-                if (!isFinal) {
-                    dragging.setMirrorNeedsRevert(!droppableEvent);
-                    this.receivingContext = receivingContext;
-                    this.droppableEvent = droppableEvent;
-                }
-            };
-            this.handleDragEnd = (pev) => {
-                let { receivingContext, droppableEvent } = this;
-                this.clearDrag();
-                if (receivingContext && droppableEvent) {
-                    let finalHit = this.hitDragging.finalHit;
-                    let finalView = finalHit.context.viewApi;
-                    let dragMeta = this.dragMeta;
-                    receivingContext.emitter.trigger('drop', Object.assign(Object.assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext)), { draggedEl: pev.subjectEl, jsEvent: pev.origEvent, view: finalView }));
-                    if (dragMeta.create) {
-                        let addingEvents = eventTupleToStore(droppableEvent);
-                        receivingContext.dispatch({
-                            type: 'MERGE_EVENTS',
-                            eventStore: addingEvents,
-                        });
-                        if (pev.isTouch) {
-                            receivingContext.dispatch({
-                                type: 'SELECT_EVENT',
-                                eventInstanceId: droppableEvent.instance.instanceId,
-                            });
-                        }
-                        // signal that an external event landed
-                        receivingContext.emitter.trigger('eventReceive', {
-                            event: new EventImpl(receivingContext, droppableEvent.def, droppableEvent.instance),
-                            relatedEvents: [],
-                            revert() {
-                                receivingContext.dispatch({
-                                    type: 'REMOVE_EVENTS',
-                                    eventStore: addingEvents,
-                                });
-                            },
-                            draggedEl: pev.subjectEl,
-                            view: finalView,
-                        });
-                    }
-                }
-                this.receivingContext = null;
-                this.droppableEvent = null;
-            };
-            let hitDragging = this.hitDragging = new HitDragging(dragging, interactionSettingsStore);
-            hitDragging.requireInitial = false; // will start outside of a component
-            hitDragging.emitter.on('dragstart', this.handleDragStart);
-            hitDragging.emitter.on('hitupdate', this.handleHitUpdate);
-            hitDragging.emitter.on('dragend', this.handleDragEnd);
-            this.suppliedDragMeta = suppliedDragMeta;
-        }
-        buildDragMeta(subjectEl) {
-            if (typeof this.suppliedDragMeta === 'object') {
-                return parseDragMeta(this.suppliedDragMeta);
-            }
-            if (typeof this.suppliedDragMeta === 'function') {
-                return parseDragMeta(this.suppliedDragMeta(subjectEl));
-            }
-            return getDragMetaFromEl(subjectEl);
-        }
-        displayDrag(nextContext, state) {
-            let prevContext = this.receivingContext;
-            if (prevContext && prevContext !== nextContext) {
-                prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
-            }
-            if (nextContext) {
-                nextContext.dispatch({ type: 'SET_EVENT_DRAG', state });
-            }
-        }
-        clearDrag() {
-            if (this.receivingContext) {
-                this.receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
-            }
-        }
-        canDropElOnCalendar(el, receivingContext) {
-            let dropAccept = receivingContext.options.dropAccept;
-            if (typeof dropAccept === 'function') {
-                return dropAccept.call(receivingContext.calendarApi, el);
-            }
-            if (typeof dropAccept === 'string' && dropAccept) {
-                return Boolean(elementMatches(el, dropAccept));
-            }
-            return true;
-        }
-    }
-    // Utils for computing event store from the DragMeta
-    // ----------------------------------------------------------------------------------------------------
-    function computeEventForDateSpan(dateSpan, dragMeta, context) {
-        let defProps = Object.assign({}, dragMeta.leftoverProps);
-        for (let transform of context.pluginHooks.externalDefTransforms) {
-            Object.assign(defProps, transform(dateSpan, dragMeta));
-        }
-        let { refined, extra } = refineEventDef(defProps, context);
-        let def = parseEventDef(refined, extra, dragMeta.sourceId, dateSpan.allDay, context.options.forceEventDuration || Boolean(dragMeta.duration), // hasEnd
-        context);
-        let start = dateSpan.range.start;
-        // only rely on time info if drop zone is all-day,
-        // otherwise, we already know the time
-        if (dateSpan.allDay && dragMeta.startTime) {
-            start = context.dateEnv.add(start, dragMeta.startTime);
-        }
-        let end = dragMeta.duration ?
-            context.dateEnv.add(start, dragMeta.duration) :
-            getDefaultEventEnd(dateSpan.allDay, start, context);
-        let instance = createEventInstance(def.defId, { start, end });
-        return { def, instance };
-    }
-    // Utils for extracting data from element
-    // ----------------------------------------------------------------------------------------------------
-    function getDragMetaFromEl(el) {
-        let str = getEmbeddedElData(el, 'event');
-        let obj = str ?
-            JSON.parse(str) :
-            { create: false }; // if no embedded data, assume no event creation
-        return parseDragMeta(obj);
-    }
-    config.dataAttrPrefix = '';
-    function getEmbeddedElData(el, name) {
-        let prefix = config.dataAttrPrefix;
-        let prefixedName = (prefix ? prefix + '-' : '') + name;
-        return el.getAttribute('data-' + prefixedName) || '';
-    }
-
-    /*
-    Makes an element (that is *external* to any calendar) draggable.
-    Can pass in data that determines how an event will be created when dropped onto a calendar.
-    Leverages FullCalendar's internal drag-n-drop functionality WITHOUT a third-party drag system.
-    */
-    class ExternalDraggable {
-        constructor(el, settings = {}) {
-            this.handlePointerDown = (ev) => {
-                let { dragging } = this;
-                let { minDistance, longPressDelay } = this.settings;
-                dragging.minDistance =
-                    minDistance != null ?
-                        minDistance :
-                        (ev.isTouch ? 0 : BASE_OPTION_DEFAULTS.eventDragMinDistance);
-                dragging.delay =
-                    ev.isTouch ? // TODO: eventually read eventLongPressDelay instead vvv
-                        (longPressDelay != null ? longPressDelay : BASE_OPTION_DEFAULTS.longPressDelay) :
-                        0;
-            };
-            this.handleDragStart = (ev) => {
-                if (ev.isTouch &&
-                    this.dragging.delay &&
-                    ev.subjectEl.classList.contains('fc-event')) {
-                    this.dragging.mirror.getMirrorEl().classList.add('fc-event-selected');
-                }
-            };
-            this.settings = settings;
-            let dragging = this.dragging = new FeaturefulElementDragging(el);
-            dragging.touchScrollAllowed = false;
-            if (settings.itemSelector != null) {
-                dragging.pointer.selector = settings.itemSelector;
-            }
-            if (settings.appendTo != null) {
-                dragging.mirror.parentNode = settings.appendTo; // TODO: write tests
-            }
-            dragging.emitter.on('pointerdown', this.handlePointerDown);
-            dragging.emitter.on('dragstart', this.handleDragStart);
-            new ExternalElementDragging(dragging, settings.eventData); // eslint-disable-line no-new
-        }
-        destroy() {
-            this.dragging.destroy();
-        }
-    }
-
-    /*
-    Detects when a *THIRD-PARTY* drag-n-drop system interacts with elements.
-    The third-party system is responsible for drawing the visuals effects of the drag.
-    This class simply monitors for pointer movements and fires events.
-    It also has the ability to hide the moving element (the "mirror") during the drag.
-    */
-    class InferredElementDragging extends ElementDragging {
-        constructor(containerEl) {
-            super(containerEl);
-            this.shouldIgnoreMove = false;
-            this.mirrorSelector = '';
-            this.currentMirrorEl = null;
-            this.handlePointerDown = (ev) => {
-                this.emitter.trigger('pointerdown', ev);
-                if (!this.shouldIgnoreMove) {
-                    // fire dragstart right away. does not support delay or min-distance
-                    this.emitter.trigger('dragstart', ev);
-                }
-            };
-            this.handlePointerMove = (ev) => {
-                if (!this.shouldIgnoreMove) {
-                    this.emitter.trigger('dragmove', ev);
-                }
-            };
-            this.handlePointerUp = (ev) => {
-                this.emitter.trigger('pointerup', ev);
-                if (!this.shouldIgnoreMove) {
-                    // fire dragend right away. does not support a revert animation
-                    this.emitter.trigger('dragend', ev);
-                }
-            };
-            let pointer = this.pointer = new PointerDragging(containerEl);
-            pointer.emitter.on('pointerdown', this.handlePointerDown);
-            pointer.emitter.on('pointermove', this.handlePointerMove);
-            pointer.emitter.on('pointerup', this.handlePointerUp);
-        }
-        destroy() {
-            this.pointer.destroy();
-        }
-        setIgnoreMove(bool) {
-            this.shouldIgnoreMove = bool;
-        }
-        setMirrorIsVisible(bool) {
-            if (bool) {
-                // restore a previously hidden element.
-                // use the reference in case the selector class has already been removed.
-                if (this.currentMirrorEl) {
-                    this.currentMirrorEl.style.visibility = '';
-                    this.currentMirrorEl = null;
-                }
-            }
-            else {
-                let mirrorEl = this.mirrorSelector
-                    // TODO: somehow query FullCalendars WITHIN shadow-roots
-                    ? document.querySelector(this.mirrorSelector)
-                    : null;
-                if (mirrorEl) {
-                    this.currentMirrorEl = mirrorEl;
-                    mirrorEl.style.visibility = 'hidden';
-                }
-            }
-        }
-    }
-
-    /*
-    Bridges third-party drag-n-drop systems with FullCalendar.
-    Must be instantiated and destroyed by caller.
-    */
-    class ThirdPartyDraggable {
-        constructor(containerOrSettings, settings) {
-            let containerEl = document;
-            if (
-            // wish we could just test instanceof EventTarget, but doesn't work in IE11
-            containerOrSettings === document ||
-                containerOrSettings instanceof Element) {
-                containerEl = containerOrSettings;
-                settings = settings || {};
-            }
-            else {
-                settings = (containerOrSettings || {});
-            }
-            let dragging = this.dragging = new InferredElementDragging(containerEl);
-            if (typeof settings.itemSelector === 'string') {
-                dragging.pointer.selector = settings.itemSelector;
-            }
-            else if (containerEl === document) {
-                dragging.pointer.selector = '[data-event]';
-            }
-            if (typeof settings.mirrorSelector === 'string') {
-                dragging.mirrorSelector = settings.mirrorSelector;
-            }
-            let externalDragging = new ExternalElementDragging(dragging, settings.eventData);
-            // The hit-detection system requires that the dnd-mirror-element be pointer-events:none,
-            // but this can't be guaranteed for third-party draggables, so disable
-            externalDragging.hitDragging.disablePointCheck = true;
-        }
-        destroy() {
-            this.dragging.destroy();
-        }
-    }
-
-    var index$4 = createPlugin({
-        name: '@fullcalendar/interaction',
-        componentInteractions: [DateClicking, DateSelecting, EventDragging, EventResizing],
-        calendarInteractions: [UnselectAuto],
-        elementDraggingImpl: FeaturefulElementDragging,
-        optionRefiners: OPTION_REFINERS$3,
-        listenerRefiners: LISTENER_REFINERS,
-    });
-
-    /* An abstract class for the daygrid views, as well as month view. Renders one or more rows of day cells.
-    ----------------------------------------------------------------------------------------------------------------------*/
-    // It is a manager for a Table subcomponent, which does most of the heavy lifting.
-    // It is responsible for managing width/height.
-    class TableView extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.headerElRef = d();
-        }
-        renderSimpleLayout(headerRowContent, bodyContent) {
-            let { props, context } = this;
-            let sections = [];
-            let stickyHeaderDates = getStickyHeaderDates(context.options);
-            if (headerRowContent) {
-                sections.push({
-                    type: 'header',
-                    key: 'header',
-                    isSticky: stickyHeaderDates,
-                    chunk: {
-                        elRef: this.headerElRef,
-                        tableClassName: 'fc-col-header',
-                        rowContent: headerRowContent,
-                    },
-                });
-            }
-            sections.push({
-                type: 'body',
-                key: 'body',
-                liquid: true,
-                chunk: { content: bodyContent },
-            });
-            return (y(ViewContainer, { elClasses: ['fc-daygrid'], viewSpec: context.viewSpec },
-                y(SimpleScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, collapsibleWidth: props.forPrint, cols: [] /* TODO: make optional? */, sections: sections })));
-        }
-        renderHScrollLayout(headerRowContent, bodyContent, colCnt, dayMinWidth) {
-            let ScrollGrid = this.context.pluginHooks.scrollGridImpl;
-            if (!ScrollGrid) {
-                throw new Error('No ScrollGrid implementation');
-            }
-            let { props, context } = this;
-            let stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options);
-            let stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options);
-            let sections = [];
-            if (headerRowContent) {
-                sections.push({
-                    type: 'header',
-                    key: 'header',
-                    isSticky: stickyHeaderDates,
-                    chunks: [{
-                            key: 'main',
-                            elRef: this.headerElRef,
-                            tableClassName: 'fc-col-header',
-                            rowContent: headerRowContent,
-                        }],
-                });
-            }
-            sections.push({
-                type: 'body',
-                key: 'body',
-                liquid: true,
-                chunks: [{
-                        key: 'main',
-                        content: bodyContent,
-                    }],
-            });
-            if (stickyFooterScrollbar) {
-                sections.push({
-                    type: 'footer',
-                    key: 'footer',
-                    isSticky: true,
-                    chunks: [{
-                            key: 'main',
-                            content: renderScrollShim,
-                        }],
-                });
-            }
-            return (y(ViewContainer, { elClasses: ['fc-daygrid'], viewSpec: context.viewSpec },
-                y(ScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, forPrint: props.forPrint, collapsibleWidth: props.forPrint, colGroups: [{ cols: [{ span: colCnt, minWidth: dayMinWidth }] }], sections: sections })));
-        }
-    }
-
-    function splitSegsByRow(segs, rowCnt) {
-        let byRow = [];
-        for (let i = 0; i < rowCnt; i += 1) {
-            byRow[i] = [];
-        }
-        for (let seg of segs) {
-            byRow[seg.row].push(seg);
-        }
-        return byRow;
-    }
-    function splitSegsByFirstCol(segs, colCnt) {
-        let byCol = [];
-        for (let i = 0; i < colCnt; i += 1) {
-            byCol[i] = [];
-        }
-        for (let seg of segs) {
-            byCol[seg.firstCol].push(seg);
-        }
-        return byCol;
-    }
-    function splitInteractionByRow(ui, rowCnt) {
-        let byRow = [];
-        if (!ui) {
-            for (let i = 0; i < rowCnt; i += 1) {
-                byRow[i] = null;
-            }
-        }
-        else {
-            for (let i = 0; i < rowCnt; i += 1) {
-                byRow[i] = {
-                    affectedInstances: ui.affectedInstances,
-                    isEvent: ui.isEvent,
-                    segs: [],
-                };
-            }
-            for (let seg of ui.segs) {
-                byRow[seg.row].segs.push(seg);
-            }
-        }
-        return byRow;
-    }
-
-    const DEFAULT_TABLE_EVENT_TIME_FORMAT = createFormatter({
-        hour: 'numeric',
-        minute: '2-digit',
-        omitZeroMinute: true,
-        meridiem: 'narrow',
-    });
-    function hasListItemDisplay(seg) {
-        let { display } = seg.eventRange.ui;
-        return display === 'list-item' || (display === 'auto' &&
-            !seg.eventRange.def.allDay &&
-            seg.firstCol === seg.lastCol && // can't be multi-day
-            seg.isStart && // "
-            seg.isEnd // "
-        );
-    }
-
-    class TableBlockEvent extends BaseComponent {
-        render() {
-            let { props } = this;
-            return (y(StandardEvent, Object.assign({}, props, { elClasses: ['fc-daygrid-event', 'fc-daygrid-block-event', 'fc-h-event'], defaultTimeFormat: DEFAULT_TABLE_EVENT_TIME_FORMAT, defaultDisplayEventEnd: props.defaultDisplayEventEnd, disableResizing: !props.seg.eventRange.def.allDay })));
-        }
-    }
-
-    class TableListItemEvent extends BaseComponent {
-        render() {
-            let { props, context } = this;
-            let { options } = context;
-            let { seg } = props;
-            let timeFormat = options.eventTimeFormat || DEFAULT_TABLE_EVENT_TIME_FORMAT;
-            let timeText = buildSegTimeText(seg, timeFormat, context, true, props.defaultDisplayEventEnd);
-            return (y(EventContainer, Object.assign({}, props, { elTag: "a", elClasses: ['fc-daygrid-event', 'fc-daygrid-dot-event'], elAttrs: getSegAnchorAttrs(props.seg, context), defaultGenerator: renderInnerContent$2, timeText: timeText, isResizing: false, isDateSelecting: false })));
-        }
-    }
-    function renderInnerContent$2(renderProps) {
-        return (y(_, null,
-            y("div", { className: "fc-daygrid-event-dot", style: { borderColor: renderProps.borderColor || renderProps.backgroundColor } }),
-            renderProps.timeText && (y("div", { className: "fc-event-time" }, renderProps.timeText)),
-            y("div", { className: "fc-event-title" }, renderProps.event.title || y(_, null, "\u00A0"))));
-    }
-
-    class TableCellMoreLink extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.compileSegs = memoize(compileSegs);
-        }
-        render() {
-            let { props } = this;
-            let { allSegs, invisibleSegs } = this.compileSegs(props.singlePlacements);
-            return (y(MoreLinkContainer, { elClasses: ['fc-daygrid-more-link'], dateProfile: props.dateProfile, todayRange: props.todayRange, allDayDate: props.allDayDate, moreCnt: props.moreCnt, allSegs: allSegs, hiddenSegs: invisibleSegs, alignmentElRef: props.alignmentElRef, alignGridTop: props.alignGridTop, extraDateSpan: props.extraDateSpan, popoverContent: () => {
-                    let isForcedInvisible = (props.eventDrag ? props.eventDrag.affectedInstances : null) ||
-                        (props.eventResize ? props.eventResize.affectedInstances : null) ||
-                        {};
-                    return (y(_, null, allSegs.map((seg) => {
-                        let instanceId = seg.eventRange.instance.instanceId;
-                        return (y("div", { className: "fc-daygrid-event-harness", key: instanceId, style: {
-                                visibility: isForcedInvisible[instanceId] ? 'hidden' : '',
-                            } }, hasListItemDisplay(seg) ? (y(TableListItemEvent, Object.assign({ seg: seg, isDragging: false, isSelected: instanceId === props.eventSelection, defaultDisplayEventEnd: false }, getSegMeta(seg, props.todayRange)))) : (y(TableBlockEvent, Object.assign({ seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: instanceId === props.eventSelection, defaultDisplayEventEnd: false }, getSegMeta(seg, props.todayRange))))));
-                    })));
-                } }));
-        }
-    }
-    function compileSegs(singlePlacements) {
-        let allSegs = [];
-        let invisibleSegs = [];
-        for (let placement of singlePlacements) {
-            allSegs.push(placement.seg);
-            if (!placement.isVisible) {
-                invisibleSegs.push(placement.seg);
-            }
-        }
-        return { allSegs, invisibleSegs };
-    }
-
-    const DEFAULT_WEEK_NUM_FORMAT$1 = createFormatter({ week: 'narrow' });
-    class TableCell extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.rootElRef = d();
-            this.state = {
-                dayNumberId: getUniqueDomId(),
-            };
-            this.handleRootEl = (el) => {
-                setRef(this.rootElRef, el);
-                setRef(this.props.elRef, el);
-            };
-        }
-        render() {
-            let { context, props, state, rootElRef } = this;
-            let { options, dateEnv } = context;
-            let { date, dateProfile } = props;
-            // TODO: memoize this?
-            const isMonthStart = props.showDayNumber &&
-                shouldDisplayMonthStart(date, dateProfile.currentRange, dateEnv);
-            return (y(DayCellContainer, { elTag: "td", elRef: this.handleRootEl, elClasses: [
-                    'fc-daygrid-day',
-                    ...(props.extraClassNames || []),
-                ], elAttrs: Object.assign(Object.assign(Object.assign({}, props.extraDataAttrs), (props.showDayNumber ? { 'aria-labelledby': state.dayNumberId } : {})), { role: 'gridcell' }), defaultGenerator: renderTopInner, date: date, dateProfile: dateProfile, todayRange: props.todayRange, showDayNumber: props.showDayNumber, isMonthStart: isMonthStart, extraRenderProps: props.extraRenderProps }, (InnerContent, renderProps) => (y("div", { ref: props.innerElRef, className: "fc-daygrid-day-frame fc-scrollgrid-sync-inner", style: { minHeight: props.minHeight } },
-                props.showWeekNumber && (y(WeekNumberContainer, { elTag: "a", elClasses: ['fc-daygrid-week-number'], elAttrs: buildNavLinkAttrs(context, date, 'week'), date: date, defaultFormat: DEFAULT_WEEK_NUM_FORMAT$1 })),
-                !renderProps.isDisabled &&
-                    (props.showDayNumber || hasCustomDayCellContent(options) || props.forceDayTop) ? (y("div", { className: "fc-daygrid-day-top" },
-                    y(InnerContent, { elTag: "a", elClasses: [
-                            'fc-daygrid-day-number',
-                            isMonthStart && 'fc-daygrid-month-start',
-                        ], elAttrs: Object.assign(Object.assign({}, buildNavLinkAttrs(context, date)), { id: state.dayNumberId }) }))) : props.showDayNumber ? (
-                // for creating correct amount of space (see issue #7162)
-                y("div", { className: "fc-daygrid-day-top", style: { visibility: 'hidden' } },
-                    y("a", { className: "fc-daygrid-day-number" }, "\u00A0"))) : undefined,
-                y("div", { className: "fc-daygrid-day-events", ref: props.fgContentElRef },
-                    props.fgContent,
-                    y("div", { className: "fc-daygrid-day-bottom", style: { marginTop: props.moreMarginTop } },
-                        y(TableCellMoreLink, { allDayDate: date, singlePlacements: props.singlePlacements, moreCnt: props.moreCnt, alignmentElRef: rootElRef, alignGridTop: !props.showDayNumber, extraDateSpan: props.extraDateSpan, dateProfile: props.dateProfile, eventSelection: props.eventSelection, eventDrag: props.eventDrag, eventResize: props.eventResize, todayRange: props.todayRange }))),
-                y("div", { className: "fc-daygrid-day-bg" }, props.bgContent)))));
-        }
-    }
-    function renderTopInner(props) {
-        return props.dayNumberText || y(_, null, "\u00A0");
-    }
-    function shouldDisplayMonthStart(date, currentRange, dateEnv) {
-        const { start: currentStart, end: currentEnd } = currentRange;
-        const currentEndIncl = addMs(currentEnd, -1);
-        const currentFirstYear = dateEnv.getYear(currentStart);
-        const currentFirstMonth = dateEnv.getMonth(currentStart);
-        const currentLastYear = dateEnv.getYear(currentEndIncl);
-        const currentLastMonth = dateEnv.getMonth(currentEndIncl);
-        // spans more than one month?
-        return !(currentFirstYear === currentLastYear && currentFirstMonth === currentLastMonth) &&
-            Boolean(
-            // first date in current view?
-            date.valueOf() === currentStart.valueOf() ||
-                // a month-start that's within the current range?
-                (dateEnv.getDay(date) === 1 && date.valueOf() < currentEnd.valueOf()));
-    }
-
-    function generateSegKey(seg) {
-        return seg.eventRange.instance.instanceId + ':' + seg.firstCol;
-    }
-    function generateSegUid(seg) {
-        return generateSegKey(seg) + ':' + seg.lastCol;
-    }
-    function computeFgSegPlacement(segs, // assumed already sorted
-    dayMaxEvents, dayMaxEventRows, strictOrder, segHeights, maxContentHeight, cells) {
-        let hierarchy = new DayGridSegHierarchy((segEntry) => {
-            // TODO: more DRY with generateSegUid
-            let segUid = segs[segEntry.index].eventRange.instance.instanceId +
-                ':' + segEntry.span.start +
-                ':' + (segEntry.span.end - 1);
-            // if no thickness known, assume 1 (if 0, so small it always fits)
-            return segHeights[segUid] || 1;
-        });
-        hierarchy.allowReslicing = true;
-        hierarchy.strictOrder = strictOrder;
-        if (dayMaxEvents === true || dayMaxEventRows === true) {
-            hierarchy.maxCoord = maxContentHeight;
-            hierarchy.hiddenConsumes = true;
-        }
-        else if (typeof dayMaxEvents === 'number') {
-            hierarchy.maxStackCnt = dayMaxEvents;
-        }
-        else if (typeof dayMaxEventRows === 'number') {
-            hierarchy.maxStackCnt = dayMaxEventRows;
-            hierarchy.hiddenConsumes = true;
-        }
-        // create segInputs only for segs with known heights
-        let segInputs = [];
-        let unknownHeightSegs = [];
-        for (let i = 0; i < segs.length; i += 1) {
-            let seg = segs[i];
-            let segUid = generateSegUid(seg);
-            let eventHeight = segHeights[segUid];
-            if (eventHeight != null) {
-                segInputs.push({
-                    index: i,
-                    span: {
-                        start: seg.firstCol,
-                        end: seg.lastCol + 1,
-                    },
-                });
-            }
-            else {
-                unknownHeightSegs.push(seg);
-            }
-        }
-        let hiddenEntries = hierarchy.addSegs(segInputs);
-        let segRects = hierarchy.toRects();
-        let { singleColPlacements, multiColPlacements, leftoverMargins } = placeRects(segRects, segs, cells);
-        let moreCnts = [];
-        let moreMarginTops = [];
-        // add segs with unknown heights
-        for (let seg of unknownHeightSegs) {
-            multiColPlacements[seg.firstCol].push({
-                seg,
-                isVisible: false,
-                isAbsolute: true,
-                absoluteTop: 0,
-                marginTop: 0,
-            });
-            for (let col = seg.firstCol; col <= seg.lastCol; col += 1) {
-                singleColPlacements[col].push({
-                    seg: resliceSeg(seg, col, col + 1, cells),
-                    isVisible: false,
-                    isAbsolute: false,
-                    absoluteTop: 0,
-                    marginTop: 0,
-                });
-            }
-        }
-        // add the hidden entries
-        for (let col = 0; col < cells.length; col += 1) {
-            moreCnts.push(0);
-        }
-        for (let hiddenEntry of hiddenEntries) {
-            let seg = segs[hiddenEntry.index];
-            let hiddenSpan = hiddenEntry.span;
-            multiColPlacements[hiddenSpan.start].push({
-                seg: resliceSeg(seg, hiddenSpan.start, hiddenSpan.end, cells),
-                isVisible: false,
-                isAbsolute: true,
-                absoluteTop: 0,
-                marginTop: 0,
-            });
-            for (let col = hiddenSpan.start; col < hiddenSpan.end; col += 1) {
-                moreCnts[col] += 1;
-                singleColPlacements[col].push({
-                    seg: resliceSeg(seg, col, col + 1, cells),
-                    isVisible: false,
-                    isAbsolute: false,
-                    absoluteTop: 0,
-                    marginTop: 0,
-                });
-            }
-        }
-        // deal with leftover margins
-        for (let col = 0; col < cells.length; col += 1) {
-            moreMarginTops.push(leftoverMargins[col]);
-        }
-        return { singleColPlacements, multiColPlacements, moreCnts, moreMarginTops };
-    }
-    // rects ordered by top coord, then left
-    function placeRects(allRects, segs, cells) {
-        let rectsByEachCol = groupRectsByEachCol(allRects, cells.length);
-        let singleColPlacements = [];
-        let multiColPlacements = [];
-        let leftoverMargins = [];
-        for (let col = 0; col < cells.length; col += 1) {
-            let rects = rectsByEachCol[col];
-            // compute all static segs in singlePlacements
-            let singlePlacements = [];
-            let currentHeight = 0;
-            let currentMarginTop = 0;
-            for (let rect of rects) {
-                let seg = segs[rect.index];
-                singlePlacements.push({
-                    seg: resliceSeg(seg, col, col + 1, cells),
-                    isVisible: true,
-                    isAbsolute: false,
-                    absoluteTop: rect.levelCoord,
-                    marginTop: rect.levelCoord - currentHeight,
-                });
-                currentHeight = rect.levelCoord + rect.thickness;
-            }
-            // compute mixed static/absolute segs in multiPlacements
-            let multiPlacements = [];
-            currentHeight = 0;
-            currentMarginTop = 0;
-            for (let rect of rects) {
-                let seg = segs[rect.index];
-                let isAbsolute = rect.span.end - rect.span.start > 1; // multi-column?
-                let isFirstCol = rect.span.start === col;
-                currentMarginTop += rect.levelCoord - currentHeight; // amount of space since bottom of previous seg
-                currentHeight = rect.levelCoord + rect.thickness; // height will now be bottom of current seg
-                if (isAbsolute) {
-                    currentMarginTop += rect.thickness;
-                    if (isFirstCol) {
-                        multiPlacements.push({
-                            seg: resliceSeg(seg, rect.span.start, rect.span.end, cells),
-                            isVisible: true,
-                            isAbsolute: true,
-                            absoluteTop: rect.levelCoord,
-                            marginTop: 0,
-                        });
-                    }
-                }
-                else if (isFirstCol) {
-                    multiPlacements.push({
-                        seg: resliceSeg(seg, rect.span.start, rect.span.end, cells),
-                        isVisible: true,
-                        isAbsolute: false,
-                        absoluteTop: rect.levelCoord,
-                        marginTop: currentMarginTop, // claim the margin
-                    });
-                    currentMarginTop = 0;
-                }
-            }
-            singleColPlacements.push(singlePlacements);
-            multiColPlacements.push(multiPlacements);
-            leftoverMargins.push(currentMarginTop);
-        }
-        return { singleColPlacements, multiColPlacements, leftoverMargins };
-    }
-    function groupRectsByEachCol(rects, colCnt) {
-        let rectsByEachCol = [];
-        for (let col = 0; col < colCnt; col += 1) {
-            rectsByEachCol.push([]);
-        }
-        for (let rect of rects) {
-            for (let col = rect.span.start; col < rect.span.end; col += 1) {
-                rectsByEachCol[col].push(rect);
-            }
-        }
-        return rectsByEachCol;
-    }
-    function resliceSeg(seg, spanStart, spanEnd, cells) {
-        if (seg.firstCol === spanStart && seg.lastCol === spanEnd - 1) {
-            return seg;
-        }
-        let eventRange = seg.eventRange;
-        let origRange = eventRange.range;
-        let slicedRange = intersectRanges(origRange, {
-            start: cells[spanStart].date,
-            end: addDays(cells[spanEnd - 1].date, 1),
-        });
-        return Object.assign(Object.assign({}, seg), { firstCol: spanStart, lastCol: spanEnd - 1, eventRange: {
-                def: eventRange.def,
-                ui: Object.assign(Object.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() });
-    }
-    class DayGridSegHierarchy extends SegHierarchy {
-        constructor() {
-            super(...arguments);
-            // config
-            this.hiddenConsumes = false;
-            // allows us to keep hidden entries in the hierarchy so they take up space
-            this.forceHidden = {};
-        }
-        addSegs(segInputs) {
-            const hiddenSegs = super.addSegs(segInputs);
-            const { entriesByLevel } = this;
-            const excludeHidden = (entry) => !this.forceHidden[buildEntryKey(entry)];
-            // remove the forced-hidden segs
-            for (let level = 0; level < entriesByLevel.length; level += 1) {
-                entriesByLevel[level] = entriesByLevel[level].filter(excludeHidden);
-            }
-            return hiddenSegs;
-        }
-        handleInvalidInsertion(insertion, entry, hiddenEntries) {
-            const { entriesByLevel, forceHidden } = this;
-            const { touchingEntry, touchingLevel, touchingLateral } = insertion;
-            // the entry that the new insertion is touching must be hidden
-            if (this.hiddenConsumes && touchingEntry) {
-                const touchingEntryId = buildEntryKey(touchingEntry);
-                if (!forceHidden[touchingEntryId]) {
-                    if (this.allowReslicing) {
-                        // split up the touchingEntry, reinsert it
-                        const hiddenEntry = Object.assign(Object.assign({}, touchingEntry), { span: intersectSpans(touchingEntry.span, entry.span) });
-                        // reinsert the area that turned into a "more" link (so no other entries try to
-                        // occupy the space) but mark it forced-hidden
-                        const hiddenEntryId = buildEntryKey(hiddenEntry);
-                        forceHidden[hiddenEntryId] = true;
-                        entriesByLevel[touchingLevel][touchingLateral] = hiddenEntry;
-                        hiddenEntries.push(hiddenEntry);
-                        this.splitEntry(touchingEntry, entry, hiddenEntries);
-                    }
-                    else {
-                        forceHidden[touchingEntryId] = true;
-                        hiddenEntries.push(touchingEntry);
-                    }
-                }
-            }
-            // will try to reslice...
-            super.handleInvalidInsertion(insertion, entry, hiddenEntries);
-        }
-    }
-
-    class TableRow extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.cellElRefs = new RefMap(); // the <td>
-            this.frameElRefs = new RefMap(); // the fc-daygrid-day-frame
-            this.fgElRefs = new RefMap(); // the fc-daygrid-day-events
-            this.segHarnessRefs = new RefMap(); // indexed by "instanceId:firstCol"
-            this.rootElRef = d();
-            this.state = {
-                framePositions: null,
-                maxContentHeight: null,
-                segHeights: {},
-            };
-            this.handleResize = (isForced) => {
-                if (isForced) {
-                    this.updateSizing(true); // isExternal=true
-                }
-            };
-        }
-        render() {
-            let { props, state, context } = this;
-            let { options } = context;
-            let colCnt = props.cells.length;
-            let businessHoursByCol = splitSegsByFirstCol(props.businessHourSegs, colCnt);
-            let bgEventSegsByCol = splitSegsByFirstCol(props.bgEventSegs, colCnt);
-            let highlightSegsByCol = splitSegsByFirstCol(this.getHighlightSegs(), colCnt);
-            let mirrorSegsByCol = splitSegsByFirstCol(this.getMirrorSegs(), colCnt);
-            let { singleColPlacements, multiColPlacements, moreCnts, moreMarginTops } = computeFgSegPlacement(sortEventSegs(props.fgEventSegs, options.eventOrder), props.dayMaxEvents, props.dayMaxEventRows, options.eventOrderStrict, state.segHeights, state.maxContentHeight, props.cells);
-            let isForcedInvisible = // TODO: messy way to compute this
-             (props.eventDrag && props.eventDrag.affectedInstances) ||
-                (props.eventResize && props.eventResize.affectedInstances) ||
-                {};
-            return (y("tr", { ref: this.rootElRef, role: "row" },
-                props.renderIntro && props.renderIntro(),
-                props.cells.map((cell, col) => {
-                    let normalFgNodes = this.renderFgSegs(col, props.forPrint ? singleColPlacements[col] : multiColPlacements[col], props.todayRange, isForcedInvisible);
-                    let mirrorFgNodes = this.renderFgSegs(col, buildMirrorPlacements(mirrorSegsByCol[col], multiColPlacements), props.todayRange, {}, Boolean(props.eventDrag), Boolean(props.eventResize), false);
-                    return (y(TableCell, { key: cell.key, elRef: this.cellElRefs.createRef(cell.key), innerElRef: this.frameElRefs.createRef(cell.key) /* FF <td> problem, but okay to use for left/right. TODO: rename prop */, dateProfile: props.dateProfile, date: cell.date, showDayNumber: props.showDayNumbers, showWeekNumber: props.showWeekNumbers && col === 0, forceDayTop: props.showWeekNumbers /* even displaying weeknum for row, not necessarily day */, todayRange: props.todayRange, eventSelection: props.eventSelection, eventDrag: props.eventDrag, eventResize: props.eventResize, extraRenderProps: cell.extraRenderProps, extraDataAttrs: cell.extraDataAttrs, extraClassNames: cell.extraClassNames, extraDateSpan: cell.extraDateSpan, moreCnt: moreCnts[col], moreMarginTop: moreMarginTops[col], singlePlacements: singleColPlacements[col], fgContentElRef: this.fgElRefs.createRef(cell.key), fgContent: ( // Fragment scopes the keys
-                        y(_, null,
-                            y(_, null, normalFgNodes),
-                            y(_, null, mirrorFgNodes))), bgContent: ( // Fragment scopes the keys
-                        y(_, null,
-                            this.renderFillSegs(highlightSegsByCol[col], 'highlight'),
-                            this.renderFillSegs(businessHoursByCol[col], 'non-business'),
-                            this.renderFillSegs(bgEventSegsByCol[col], 'bg-event'))), minHeight: props.cellMinHeight }));
-                })));
-        }
-        componentDidMount() {
-            this.updateSizing(true);
-            this.context.addResizeHandler(this.handleResize);
-        }
-        componentDidUpdate(prevProps, prevState) {
-            let currentProps = this.props;
-            this.updateSizing(!isPropsEqual(prevProps, currentProps));
-        }
-        componentWillUnmount() {
-            this.context.removeResizeHandler(this.handleResize);
-        }
-        getHighlightSegs() {
-            let { props } = this;
-            if (props.eventDrag && props.eventDrag.segs.length) { // messy check
-                return props.eventDrag.segs;
-            }
-            if (props.eventResize && props.eventResize.segs.length) { // messy check
-                return props.eventResize.segs;
-            }
-            return props.dateSelectionSegs;
-        }
-        getMirrorSegs() {
-            let { props } = this;
-            if (props.eventResize && props.eventResize.segs.length) { // messy check
-                return props.eventResize.segs;
-            }
-            return [];
-        }
-        renderFgSegs(col, segPlacements, todayRange, isForcedInvisible, isDragging, isResizing, isDateSelecting) {
-            let { context } = this;
-            let { eventSelection } = this.props;
-            let { framePositions } = this.state;
-            let defaultDisplayEventEnd = this.props.cells.length === 1; // colCnt === 1
-            let isMirror = isDragging || isResizing || isDateSelecting;
-            let nodes = [];
-            if (framePositions) {
-                for (let placement of segPlacements) {
-                    let { seg } = placement;
-                    let { instanceId } = seg.eventRange.instance;
-                    let isVisible = placement.isVisible && !isForcedInvisible[instanceId];
-                    let isAbsolute = placement.isAbsolute;
-                    let left = '';
-                    let right = '';
-                    if (isAbsolute) {
-                        if (context.isRtl) {
-                            right = 0;
-                            left = framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol];
-                        }
-                        else {
-                            left = 0;
-                            right = framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol];
-                        }
-                    }
-                    /*
-                    known bug: events that are force to be list-item but span multiple days still take up space in later columns
-                    todo: in print view, for multi-day events, don't display title within non-start/end segs
-                    */
-                    nodes.push(y("div", { className: 'fc-daygrid-event-harness' + (isAbsolute ? ' fc-daygrid-event-harness-abs' : ''), key: generateSegKey(seg), ref: isMirror ? null : this.segHarnessRefs.createRef(generateSegUid(seg)), style: {
-                            visibility: isVisible ? '' : 'hidden',
-                            marginTop: isAbsolute ? '' : placement.marginTop,
-                            top: isAbsolute ? placement.absoluteTop : '',
-                            left,
-                            right,
-                        } }, hasListItemDisplay(seg) ? (y(TableListItemEvent, Object.assign({ seg: seg, isDragging: isDragging, isSelected: instanceId === eventSelection, defaultDisplayEventEnd: defaultDisplayEventEnd }, getSegMeta(seg, todayRange)))) : (y(TableBlockEvent, Object.assign({ seg: seg, isDragging: isDragging, isResizing: isResizing, isDateSelecting: isDateSelecting, isSelected: instanceId === eventSelection, defaultDisplayEventEnd: defaultDisplayEventEnd }, getSegMeta(seg, todayRange))))));
-                }
-            }
-            return nodes;
-        }
-        renderFillSegs(segs, fillType) {
-            let { isRtl } = this.context;
-            let { todayRange } = this.props;
-            let { framePositions } = this.state;
-            let nodes = [];
-            if (framePositions) {
-                for (let seg of segs) {
-                    let leftRightCss = isRtl ? {
-                        right: 0,
-                        left: framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol],
-                    } : {
-                        left: 0,
-                        right: framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol],
-                    };
-                    nodes.push(y("div", { key: buildEventRangeKey(seg.eventRange), className: "fc-daygrid-bg-harness", style: leftRightCss }, fillType === 'bg-event' ?
-                        y(BgEvent, Object.assign({ seg: seg }, getSegMeta(seg, todayRange))) :
-                        renderFill(fillType)));
-                }
-            }
-            return y(_, {}, ...nodes);
-        }
-        updateSizing(isExternalSizingChange) {
-            let { props, state, frameElRefs } = this;
-            if (!props.forPrint &&
-                props.clientWidth !== null // positioning ready?
-            ) {
-                if (isExternalSizingChange) {
-                    let frameEls = props.cells.map((cell) => frameElRefs.currentMap[cell.key]);
-                    if (frameEls.length) {
-                        let originEl = this.rootElRef.current;
-                        let newPositionCache = new PositionCache(originEl, frameEls, true, // isHorizontal
-                        false);
-                        if (!state.framePositions || !state.framePositions.similarTo(newPositionCache)) {
-                            this.setState({
-                                framePositions: new PositionCache(originEl, frameEls, true, // isHorizontal
-                                false),
-                            });
-                        }
-                    }
-                }
-                const oldSegHeights = this.state.segHeights;
-                const newSegHeights = this.querySegHeights();
-                const limitByContentHeight = props.dayMaxEvents === true || props.dayMaxEventRows === true;
-                this.safeSetState({
-                    // HACK to prevent oscillations of events being shown/hidden from max-event-rows
-                    // Essentially, once you compute an element's height, never null-out.
-                    // TODO: always display all events, as visibility:hidden?
-                    segHeights: Object.assign(Object.assign({}, oldSegHeights), newSegHeights),
-                    maxContentHeight: limitByContentHeight ? this.computeMaxContentHeight() : null,
-                });
-            }
-        }
-        querySegHeights() {
-            let segElMap = this.segHarnessRefs.currentMap;
-            let segHeights = {};
-            // get the max height amongst instance segs
-            for (let segUid in segElMap) {
-                let height = Math.round(segElMap[segUid].getBoundingClientRect().height);
-                segHeights[segUid] = Math.max(segHeights[segUid] || 0, height);
-            }
-            return segHeights;
-        }
-        computeMaxContentHeight() {
-            let firstKey = this.props.cells[0].key;
-            let cellEl = this.cellElRefs.currentMap[firstKey];
-            let fcContainerEl = this.fgElRefs.currentMap[firstKey];
-            return cellEl.getBoundingClientRect().bottom - fcContainerEl.getBoundingClientRect().top;
-        }
-        getCellEls() {
-            let elMap = this.cellElRefs.currentMap;
-            return this.props.cells.map((cell) => elMap[cell.key]);
-        }
-    }
-    TableRow.addStateEquality({
-        segHeights: isPropsEqual,
-    });
-    function buildMirrorPlacements(mirrorSegs, colPlacements) {
-        if (!mirrorSegs.length) {
-            return [];
-        }
-        let topsByInstanceId = buildAbsoluteTopHash(colPlacements); // TODO: cache this at first render?
-        return mirrorSegs.map((seg) => ({
-            seg,
-            isVisible: true,
-            isAbsolute: true,
-            absoluteTop: topsByInstanceId[seg.eventRange.instance.instanceId],
-            marginTop: 0,
-        }));
-    }
-    function buildAbsoluteTopHash(colPlacements) {
-        let topsByInstanceId = {};
-        for (let placements of colPlacements) {
-            for (let placement of placements) {
-                topsByInstanceId[placement.seg.eventRange.instance.instanceId] = placement.absoluteTop;
-            }
-        }
-        return topsByInstanceId;
-    }
-
-    class TableRows extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.splitBusinessHourSegs = memoize(splitSegsByRow);
-            this.splitBgEventSegs = memoize(splitSegsByRow);
-            this.splitFgEventSegs = memoize(splitSegsByRow);
-            this.splitDateSelectionSegs = memoize(splitSegsByRow);
-            this.splitEventDrag = memoize(splitInteractionByRow);
-            this.splitEventResize = memoize(splitInteractionByRow);
-            this.rowRefs = new RefMap();
-        }
-        render() {
-            let { props, context } = this;
-            let rowCnt = props.cells.length;
-            let businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, rowCnt);
-            let bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, rowCnt);
-            let fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, rowCnt);
-            let dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, rowCnt);
-            let eventDragByRow = this.splitEventDrag(props.eventDrag, rowCnt);
-            let eventResizeByRow = this.splitEventResize(props.eventResize, rowCnt);
-            // for DayGrid view with many rows, force a min-height on cells so doesn't appear squished
-            // choose 7 because a month view will have max 6 rows
-            let cellMinHeight = (rowCnt >= 7 && props.clientWidth) ?
-                props.clientWidth / context.options.aspectRatio / 6 :
-                null;
-            return (y(NowTimer, { unit: "day" }, (nowDate, todayRange) => (y(_, null, props.cells.map((cells, row) => (y(TableRow, { ref: this.rowRefs.createRef(row), key: cells.length
-                    ? cells[0].date.toISOString() /* best? or put key on cell? or use diff formatter? */
-                    : row // in case there are no cells (like when resource view is loading)
-                , showDayNumbers: rowCnt > 1, showWeekNumbers: props.showWeekNumbers, todayRange: todayRange, dateProfile: props.dateProfile, cells: cells, renderIntro: props.renderRowIntro, businessHourSegs: businessHourSegsByRow[row], eventSelection: props.eventSelection, bgEventSegs: bgEventSegsByRow[row].filter(isSegAllDay) /* hack */, fgEventSegs: fgEventSegsByRow[row], dateSelectionSegs: dateSelectionSegsByRow[row], eventDrag: eventDragByRow[row], eventResize: eventResizeByRow[row], dayMaxEvents: props.dayMaxEvents, dayMaxEventRows: props.dayMaxEventRows, clientWidth: props.clientWidth, clientHeight: props.clientHeight, cellMinHeight: cellMinHeight, forPrint: props.forPrint })))))));
-        }
-        componentDidMount() {
-            this.registerInteractiveComponent();
-        }
-        componentDidUpdate() {
-            // for if started with zero cells
-            this.registerInteractiveComponent();
-        }
-        registerInteractiveComponent() {
-            if (!this.rootEl) {
-                // HACK: need a daygrid wrapper parent to do positioning
-                // NOTE: a daygrid resource view w/o resources can have zero cells
-                const firstCellEl = this.rowRefs.currentMap[0].getCellEls()[0];
-                const rootEl = firstCellEl ? firstCellEl.closest('.fc-daygrid-body') : null;
-                if (rootEl) {
-                    this.rootEl = rootEl;
-                    this.context.registerInteractiveComponent(this, {
-                        el: rootEl,
-                        isHitComboAllowed: this.props.isHitComboAllowed,
-                    });
-                }
-            }
-        }
-        componentWillUnmount() {
-            if (this.rootEl) {
-                this.context.unregisterInteractiveComponent(this);
-                this.rootEl = null;
-            }
-        }
-        // Hit System
-        // ----------------------------------------------------------------------------------------------------
-        prepareHits() {
-            this.rowPositions = new PositionCache(this.rootEl, this.rowRefs.collect().map((rowObj) => rowObj.getCellEls()[0]), // first cell el in each row. TODO: not optimal
-            false, true);
-            this.colPositions = new PositionCache(this.rootEl, this.rowRefs.currentMap[0].getCellEls(), // cell els in first row
-            true, // horizontal
-            false);
-        }
-        queryHit(positionLeft, positionTop) {
-            let { colPositions, rowPositions } = this;
-            let col = colPositions.leftToIndex(positionLeft);
-            let row = rowPositions.topToIndex(positionTop);
-            if (row != null && col != null) {
-                let cell = this.props.cells[row][col];
-                return {
-                    dateProfile: this.props.dateProfile,
-                    dateSpan: Object.assign({ range: this.getCellRange(row, col), allDay: true }, cell.extraDateSpan),
-                    dayEl: this.getCellEl(row, col),
-                    rect: {
-                        left: colPositions.lefts[col],
-                        right: colPositions.rights[col],
-                        top: rowPositions.tops[row],
-                        bottom: rowPositions.bottoms[row],
-                    },
-                    layer: 0,
-                };
-            }
-            return null;
-        }
-        getCellEl(row, col) {
-            return this.rowRefs.currentMap[row].getCellEls()[col]; // TODO: not optimal
-        }
-        getCellRange(row, col) {
-            let start = this.props.cells[row][col].date;
-            let end = addDays(start, 1);
-            return { start, end };
-        }
-    }
-    function isSegAllDay(seg) {
-        return seg.eventRange.def.allDay;
-    }
-
-    class Table extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.elRef = d();
-            this.needsScrollReset = false;
-        }
-        render() {
-            let { props } = this;
-            let { dayMaxEventRows, dayMaxEvents, expandRows } = props;
-            let limitViaBalanced = dayMaxEvents === true || dayMaxEventRows === true;
-            // if rows can't expand to fill fixed height, can't do balanced-height event limit
-            // TODO: best place to normalize these options?
-            if (limitViaBalanced && !expandRows) {
-                limitViaBalanced = false;
-                dayMaxEventRows = null;
-                dayMaxEvents = null;
-            }
-            let classNames = [
-                'fc-daygrid-body',
-                limitViaBalanced ? 'fc-daygrid-body-balanced' : 'fc-daygrid-body-unbalanced',
-                expandRows ? '' : 'fc-daygrid-body-natural', // will height of one row depend on the others?
-            ];
-            return (y("div", { ref: this.elRef, className: classNames.join(' '), style: {
-                    // these props are important to give this wrapper correct dimensions for interactions
-                    // TODO: if we set it here, can we avoid giving to inner tables?
-                    width: props.clientWidth,
-                    minWidth: props.tableMinWidth,
-                } },
-                y("table", { role: "presentation", className: "fc-scrollgrid-sync-table", style: {
-                        width: props.clientWidth,
-                        minWidth: props.tableMinWidth,
-                        height: expandRows ? props.clientHeight : '',
-                    } },
-                    props.colGroupNode,
-                    y("tbody", { role: "presentation" },
-                        y(TableRows, { dateProfile: props.dateProfile, cells: props.cells, renderRowIntro: props.renderRowIntro, showWeekNumbers: props.showWeekNumbers, clientWidth: props.clientWidth, clientHeight: props.clientHeight, businessHourSegs: props.businessHourSegs, bgEventSegs: props.bgEventSegs, fgEventSegs: props.fgEventSegs, dateSelectionSegs: props.dateSelectionSegs, eventSelection: props.eventSelection, eventDrag: props.eventDrag, eventResize: props.eventResize, dayMaxEvents: dayMaxEvents, dayMaxEventRows: dayMaxEventRows, forPrint: props.forPrint, isHitComboAllowed: props.isHitComboAllowed })))));
-        }
-        componentDidMount() {
-            this.requestScrollReset();
-        }
-        componentDidUpdate(prevProps) {
-            if (prevProps.dateProfile !== this.props.dateProfile) {
-                this.requestScrollReset();
-            }
-            else {
-                this.flushScrollReset();
-            }
-        }
-        requestScrollReset() {
-            this.needsScrollReset = true;
-            this.flushScrollReset();
-        }
-        flushScrollReset() {
-            if (this.needsScrollReset &&
-                this.props.clientWidth // sizes computed?
-            ) {
-                const subjectEl = getScrollSubjectEl(this.elRef.current, this.props.dateProfile);
-                if (subjectEl) {
-                    const originEl = subjectEl.closest('.fc-daygrid-body');
-                    const scrollEl = originEl.closest('.fc-scroller');
-                    const scrollTop = subjectEl.getBoundingClientRect().top -
-                        originEl.getBoundingClientRect().top;
-                    scrollEl.scrollTop = scrollTop ? (scrollTop + 1) : 0; // overcome border
-                }
-                this.needsScrollReset = false;
-            }
-        }
-    }
-    function getScrollSubjectEl(containerEl, dateProfile) {
-        let el;
-        if (dateProfile.currentRangeUnit.match(/year|month/)) {
-            el = containerEl.querySelector(`[data-date="${formatIsoMonthStr(dateProfile.currentDate)}-01"]`);
-            // even if view is month-based, first-of-month might be hidden...
-        }
-        if (!el) {
-            el = containerEl.querySelector(`[data-date="${formatDayString(dateProfile.currentDate)}"]`);
-            // could still be hidden if an interior-view hidden day
-        }
-        return el;
-    }
-
-    class DayTableSlicer extends Slicer {
-        constructor() {
-            super(...arguments);
-            this.forceDayIfListItem = true;
-        }
-        sliceRange(dateRange, dayTableModel) {
-            return dayTableModel.sliceRange(dateRange);
-        }
-    }
-
-    class DayTable extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.slicer = new DayTableSlicer();
-            this.tableRef = d();
-        }
-        render() {
-            let { props, context } = this;
-            return (y(Table, Object.assign({ ref: this.tableRef }, this.slicer.sliceProps(props, props.dateProfile, props.nextDayThreshold, context, props.dayTableModel), { dateProfile: props.dateProfile, cells: props.dayTableModel.cells, colGroupNode: props.colGroupNode, tableMinWidth: props.tableMinWidth, renderRowIntro: props.renderRowIntro, dayMaxEvents: props.dayMaxEvents, dayMaxEventRows: props.dayMaxEventRows, showWeekNumbers: props.showWeekNumbers, expandRows: props.expandRows, headerAlignElRef: props.headerAlignElRef, clientWidth: props.clientWidth, clientHeight: props.clientHeight, forPrint: props.forPrint })));
-        }
-    }
-
-    class DayTableView extends TableView {
-        constructor() {
-            super(...arguments);
-            this.buildDayTableModel = memoize(buildDayTableModel);
-            this.headerRef = d();
-            this.tableRef = d();
-            // can't override any lifecycle methods from parent
-        }
-        render() {
-            let { options, dateProfileGenerator } = this.context;
-            let { props } = this;
-            let dayTableModel = this.buildDayTableModel(props.dateProfile, dateProfileGenerator);
-            let headerContent = options.dayHeaders && (y(DayHeader, { ref: this.headerRef, dateProfile: props.dateProfile, dates: dayTableModel.headerDates, datesRepDistinctDays: dayTableModel.rowCnt === 1 }));
-            let bodyContent = (contentArg) => (y(DayTable, { ref: this.tableRef, dateProfile: props.dateProfile, dayTableModel: dayTableModel, businessHours: props.businessHours, dateSelection: props.dateSelection, eventStore: props.eventStore, eventUiBases: props.eventUiBases, eventSelection: props.eventSelection, eventDrag: props.eventDrag, eventResize: props.eventResize, nextDayThreshold: options.nextDayThreshold, colGroupNode: contentArg.tableColGroupNode, tableMinWidth: contentArg.tableMinWidth, dayMaxEvents: options.dayMaxEvents, dayMaxEventRows: options.dayMaxEventRows, showWeekNumbers: options.weekNumbers, expandRows: !props.isHeightAuto, headerAlignElRef: this.headerElRef, clientWidth: contentArg.clientWidth, clientHeight: contentArg.clientHeight, forPrint: props.forPrint }));
-            return options.dayMinWidth
-                ? this.renderHScrollLayout(headerContent, bodyContent, dayTableModel.colCnt, options.dayMinWidth)
-                : this.renderSimpleLayout(headerContent, bodyContent);
-        }
-    }
-    function buildDayTableModel(dateProfile, dateProfileGenerator) {
-        let daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator);
-        return new DayTableModel(daySeries, /year|month|week/.test(dateProfile.currentRangeUnit));
-    }
-
-    class TableDateProfileGenerator extends DateProfileGenerator {
-        // Computes the date range that will be rendered
-        buildRenderRange(currentRange, currentRangeUnit, isRangeAllDay) {
-            let renderRange = super.buildRenderRange(currentRange, currentRangeUnit, isRangeAllDay);
-            let { props } = this;
-            return buildDayTableRenderRange({
-                currentRange: renderRange,
-                snapToWeek: /^(year|month)$/.test(currentRangeUnit),
-                fixedWeekCount: props.fixedWeekCount,
-                dateEnv: props.dateEnv,
-            });
-        }
-    }
-    function buildDayTableRenderRange(props) {
-        let { dateEnv, currentRange } = props;
-        let { start, end } = currentRange;
-        let endOfWeek;
-        // year and month views should be aligned with weeks. this is already done for week
-        if (props.snapToWeek) {
-            start = dateEnv.startOfWeek(start);
-            // make end-of-week if not already
-            endOfWeek = dateEnv.startOfWeek(end);
-            if (endOfWeek.valueOf() !== end.valueOf()) {
-                end = addWeeks(endOfWeek, 1);
-            }
-        }
-        // ensure 6 weeks
-        if (props.fixedWeekCount) {
-            // TODO: instead of these date-math gymnastics (for multimonth view),
-            // compute dateprofiles of all months, then use start of first and end of last.
-            let lastMonthRenderStart = dateEnv.startOfWeek(dateEnv.startOfMonth(addDays(currentRange.end, -1)));
-            let rowCnt = Math.ceil(// could be partial weeks due to hiddenDays
-            diffWeeks(lastMonthRenderStart, end));
-            end = addWeeks(end, 6 - rowCnt);
-        }
-        return { start, end };
-    }
-
-    var css_248z$3 = ":root{--fc-daygrid-event-dot-width:8px}.fc-daygrid-day-events:after,.fc-daygrid-day-events:before,.fc-daygrid-day-frame:after,.fc-daygrid-day-frame:before,.fc-daygrid-event-harness:after,.fc-daygrid-event-harness:before{clear:both;content:\"\";display:table}.fc .fc-daygrid-body{position:relative;z-index:1}.fc .fc-daygrid-day.fc-day-today{background-color:var(--fc-today-bg-color)}.fc .fc-daygrid-day-frame{min-height:100%;position:relative}.fc .fc-daygrid-day-top{display:flex;flex-direction:row-reverse}.fc .fc-day-other .fc-daygrid-day-top{opacity:.3}.fc .fc-daygrid-day-number{padding:4px;position:relative;z-index:4}.fc .fc-daygrid-month-start{font-size:1.1em;font-weight:700}.fc .fc-daygrid-day-events{margin-top:1px}.fc .fc-daygrid-body-balanced .fc-daygrid-day-events{left:0;position:absolute;right:0}.fc .fc-daygrid-body-unbalanced .fc-daygrid-day-events{min-height:2em;position:relative}.fc .fc-daygrid-body-natural .fc-daygrid-day-events{margin-bottom:1em}.fc .fc-daygrid-event-harness{position:relative}.fc .fc-daygrid-event-harness-abs{left:0;position:absolute;right:0;top:0}.fc .fc-daygrid-bg-harness{bottom:0;position:absolute;top:0}.fc .fc-daygrid-day-bg .fc-non-business{z-index:1}.fc .fc-daygrid-day-bg .fc-bg-event{z-index:2}.fc .fc-daygrid-day-bg .fc-highlight{z-index:3}.fc .fc-daygrid-event{margin-top:1px;z-index:6}.fc .fc-daygrid-event.fc-event-mirror{z-index:7}.fc .fc-daygrid-day-bottom{font-size:.85em;margin:0 2px}.fc .fc-daygrid-day-bottom:after,.fc .fc-daygrid-day-bottom:before{clear:both;content:\"\";display:table}.fc .fc-daygrid-more-link{border-radius:3px;cursor:pointer;line-height:1;margin-top:1px;max-width:100%;overflow:hidden;padding:2px;position:relative;white-space:nowrap;z-index:4}.fc .fc-daygrid-more-link:hover{background-color:rgba(0,0,0,.1)}.fc .fc-daygrid-week-number{background-color:var(--fc-neutral-bg-color);color:var(--fc-neutral-text-color);min-width:1.5em;padding:2px;position:absolute;text-align:center;top:0;z-index:5}.fc .fc-more-popover .fc-popover-body{min-width:220px;padding:10px}.fc-direction-ltr .fc-daygrid-event.fc-event-start,.fc-direction-rtl .fc-daygrid-event.fc-event-end{margin-left:2px}.fc-direction-ltr .fc-daygrid-event.fc-event-end,.fc-direction-rtl .fc-daygrid-event.fc-event-start{margin-right:2px}.fc-direction-ltr .fc-daygrid-more-link{float:left}.fc-direction-ltr .fc-daygrid-week-number{border-radius:0 0 3px 0;left:0}.fc-direction-rtl .fc-daygrid-more-link{float:right}.fc-direction-rtl .fc-daygrid-week-number{border-radius:0 0 0 3px;right:0}.fc-liquid-hack .fc-daygrid-day-frame{position:static}.fc-daygrid-event{border-radius:3px;font-size:var(--fc-small-font-size);position:relative;white-space:nowrap}.fc-daygrid-block-event .fc-event-time{font-weight:700}.fc-daygrid-block-event .fc-event-time,.fc-daygrid-block-event .fc-event-title{padding:1px}.fc-daygrid-dot-event{align-items:center;display:flex;padding:2px 0}.fc-daygrid-dot-event .fc-event-title{flex-grow:1;flex-shrink:1;font-weight:700;min-width:0;overflow:hidden}.fc-daygrid-dot-event.fc-event-mirror,.fc-daygrid-dot-event:hover{background:rgba(0,0,0,.1)}.fc-daygrid-dot-event.fc-event-selected:before{bottom:-10px;top:-10px}.fc-daygrid-event-dot{border:calc(var(--fc-daygrid-event-dot-width)/2) solid var(--fc-event-border-color);border-radius:calc(var(--fc-daygrid-event-dot-width)/2);box-sizing:content-box;height:0;margin:0 4px;width:0}.fc-direction-ltr .fc-daygrid-event .fc-event-time{margin-right:3px}.fc-direction-rtl .fc-daygrid-event .fc-event-time{margin-left:3px}";
-    injectStyles(css_248z$3);
-
-    var index$3 = createPlugin({
-        name: '@fullcalendar/daygrid',
-        initialView: 'dayGridMonth',
-        views: {
-            dayGrid: {
-                component: DayTableView,
-                dateProfileGeneratorClass: TableDateProfileGenerator,
-            },
-            dayGridDay: {
-                type: 'dayGrid',
-                duration: { days: 1 },
-            },
-            dayGridWeek: {
-                type: 'dayGrid',
-                duration: { weeks: 1 },
-            },
-            dayGridMonth: {
-                type: 'dayGrid',
-                duration: { months: 1 },
-                fixedWeekCount: true,
-            },
-            dayGridYear: {
-                type: 'dayGrid',
-                duration: { years: 1 },
-            },
-        },
-    });
-
-    class AllDaySplitter extends Splitter {
-        getKeyInfo() {
-            return {
-                allDay: {},
-                timed: {},
-            };
-        }
-        getKeysForDateSpan(dateSpan) {
-            if (dateSpan.allDay) {
-                return ['allDay'];
-            }
-            return ['timed'];
-        }
-        getKeysForEventDef(eventDef) {
-            if (!eventDef.allDay) {
-                return ['timed'];
-            }
-            if (hasBgRendering(eventDef)) {
-                return ['timed', 'allDay'];
-            }
-            return ['allDay'];
-        }
-    }
-
-    const DEFAULT_SLAT_LABEL_FORMAT = createFormatter({
-        hour: 'numeric',
-        minute: '2-digit',
-        omitZeroMinute: true,
-        meridiem: 'short',
-    });
-    function TimeColsAxisCell(props) {
-        let classNames = [
-            'fc-timegrid-slot',
-            'fc-timegrid-slot-label',
-            props.isLabeled ? 'fc-scrollgrid-shrink' : 'fc-timegrid-slot-minor',
-        ];
-        return (y(ViewContextType.Consumer, null, (context) => {
-            if (!props.isLabeled) {
-                return (y("td", { className: classNames.join(' '), "data-time": props.isoTimeStr }));
-            }
-            let { dateEnv, options, viewApi } = context;
-            let labelFormat = // TODO: fully pre-parse
-             options.slotLabelFormat == null ? DEFAULT_SLAT_LABEL_FORMAT :
-                Array.isArray(options.slotLabelFormat) ? createFormatter(options.slotLabelFormat[0]) :
-                    createFormatter(options.slotLabelFormat);
-            let renderProps = {
-                level: 0,
-                time: props.time,
-                date: dateEnv.toDate(props.date),
-                view: viewApi,
-                text: dateEnv.format(props.date, labelFormat),
-            };
-            return (y(ContentContainer, { elTag: "td", elClasses: classNames, elAttrs: {
-                    'data-time': props.isoTimeStr,
-                }, renderProps: renderProps, generatorName: "slotLabelContent", customGenerator: options.slotLabelContent, defaultGenerator: renderInnerContent$1, classNameGenerator: options.slotLabelClassNames, didMount: options.slotLabelDidMount, willUnmount: options.slotLabelWillUnmount }, (InnerContent) => (y("div", { className: "fc-timegrid-slot-label-frame fc-scrollgrid-shrink-frame" },
-                y(InnerContent, { elTag: "div", elClasses: [
-                        'fc-timegrid-slot-label-cushion',
-                        'fc-scrollgrid-shrink-cushion',
-                    ] })))));
-        }));
-    }
-    function renderInnerContent$1(props) {
-        return props.text;
-    }
-
-    class TimeBodyAxis extends BaseComponent {
-        render() {
-            return this.props.slatMetas.map((slatMeta) => (y("tr", { key: slatMeta.key },
-                y(TimeColsAxisCell, Object.assign({}, slatMeta)))));
-        }
-    }
-
-    const DEFAULT_WEEK_NUM_FORMAT = createFormatter({ week: 'short' });
-    const AUTO_ALL_DAY_MAX_EVENT_ROWS = 5;
-    class TimeColsView extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.allDaySplitter = new AllDaySplitter(); // for use by subclasses
-            this.headerElRef = d();
-            this.rootElRef = d();
-            this.scrollerElRef = d();
-            this.state = {
-                slatCoords: null,
-            };
-            this.handleScrollTopRequest = (scrollTop) => {
-                let scrollerEl = this.scrollerElRef.current;
-                if (scrollerEl) { // TODO: not sure how this could ever be null. weirdness with the reducer
-                    scrollerEl.scrollTop = scrollTop;
-                }
-            };
-            /* Header Render Methods
-            ------------------------------------------------------------------------------------------------------------------*/
-            this.renderHeadAxis = (rowKey, frameHeight = '') => {
-                let { options } = this.context;
-                let { dateProfile } = this.props;
-                let range = dateProfile.renderRange;
-                let dayCnt = diffDays(range.start, range.end);
-                // only do in day views (to avoid doing in week views that dont need it)
-                let navLinkAttrs = (dayCnt === 1)
-                    ? buildNavLinkAttrs(this.context, range.start, 'week')
-                    : {};
-                if (options.weekNumbers && rowKey === 'day') {
-                    return (y(WeekNumberContainer, { elTag: "th", elClasses: [
-                            'fc-timegrid-axis',
-                            'fc-scrollgrid-shrink',
-                        ], elAttrs: {
-                            'aria-hidden': true,
-                        }, date: range.start, defaultFormat: DEFAULT_WEEK_NUM_FORMAT }, (InnerContent) => (y("div", { className: [
-                            'fc-timegrid-axis-frame',
-                            'fc-scrollgrid-shrink-frame',
-                            'fc-timegrid-axis-frame-liquid',
-                        ].join(' '), style: { height: frameHeight } },
-                        y(InnerContent, { elTag: "a", elClasses: [
-                                'fc-timegrid-axis-cushion',
-                                'fc-scrollgrid-shrink-cushion',
-                                'fc-scrollgrid-sync-inner',
-                            ], elAttrs: navLinkAttrs })))));
-                }
-                return (y("th", { "aria-hidden": true, className: "fc-timegrid-axis" },
-                    y("div", { className: "fc-timegrid-axis-frame", style: { height: frameHeight } })));
-            };
-            /* Table Component Render Methods
-            ------------------------------------------------------------------------------------------------------------------*/
-            // only a one-way height sync. we don't send the axis inner-content height to the DayGrid,
-            // but DayGrid still needs to have classNames on inner elements in order to measure.
-            this.renderTableRowAxis = (rowHeight) => {
-                let { options, viewApi } = this.context;
-                let renderProps = {
-                    text: options.allDayText,
-                    view: viewApi,
-                };
-                return (
-                // TODO: make reusable hook. used in list view too
-                y(ContentContainer, { elTag: "td", elClasses: [
-                        'fc-timegrid-axis',
-                        'fc-scrollgrid-shrink',
-                    ], elAttrs: {
-                        'aria-hidden': true,
-                    }, renderProps: renderProps, generatorName: "allDayContent", customGenerator: options.allDayContent, defaultGenerator: renderAllDayInner$1, classNameGenerator: options.allDayClassNames, didMount: options.allDayDidMount, willUnmount: options.allDayWillUnmount }, (InnerContent) => (y("div", { className: [
-                        'fc-timegrid-axis-frame',
-                        'fc-scrollgrid-shrink-frame',
-                        rowHeight == null ? ' fc-timegrid-axis-frame-liquid' : '',
-                    ].join(' '), style: { height: rowHeight } },
-                    y(InnerContent, { elTag: "span", elClasses: [
-                            'fc-timegrid-axis-cushion',
-                            'fc-scrollgrid-shrink-cushion',
-                            'fc-scrollgrid-sync-inner',
-                        ] })))));
-            };
-            this.handleSlatCoords = (slatCoords) => {
-                this.setState({ slatCoords });
-            };
-        }
-        // rendering
-        // ----------------------------------------------------------------------------------------------------
-        renderSimpleLayout(headerRowContent, allDayContent, timeContent) {
-            let { context, props } = this;
-            let sections = [];
-            let stickyHeaderDates = getStickyHeaderDates(context.options);
-            if (headerRowContent) {
-                sections.push({
-                    type: 'header',
-                    key: 'header',
-                    isSticky: stickyHeaderDates,
-                    chunk: {
-                        elRef: this.headerElRef,
-                        tableClassName: 'fc-col-header',
-                        rowContent: headerRowContent,
-                    },
-                });
-            }
-            if (allDayContent) {
-                sections.push({
-                    type: 'body',
-                    key: 'all-day',
-                    chunk: { content: allDayContent },
-                });
-                sections.push({
-                    type: 'body',
-                    key: 'all-day-divider',
-                    outerContent: ( // TODO: rename to cellContent so don't need to define <tr>?
-                    y("tr", { role: "presentation", className: "fc-scrollgrid-section" },
-                        y("td", { className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded') }))),
-                });
-            }
-            sections.push({
-                type: 'body',
-                key: 'body',
-                liquid: true,
-                expandRows: Boolean(context.options.expandRows),
-                chunk: {
-                    scrollerElRef: this.scrollerElRef,
-                    content: timeContent,
-                },
-            });
-            return (y(ViewContainer, { elRef: this.rootElRef, elClasses: ['fc-timegrid'], viewSpec: context.viewSpec },
-                y(SimpleScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, collapsibleWidth: props.forPrint, cols: [{ width: 'shrink' }], sections: sections })));
-        }
-        renderHScrollLayout(headerRowContent, allDayContent, timeContent, colCnt, dayMinWidth, slatMetas, slatCoords) {
-            let ScrollGrid = this.context.pluginHooks.scrollGridImpl;
-            if (!ScrollGrid) {
-                throw new Error('No ScrollGrid implementation');
-            }
-            let { context, props } = this;
-            let stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options);
-            let stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options);
-            let sections = [];
-            if (headerRowContent) {
-                sections.push({
-                    type: 'header',
-                    key: 'header',
-                    isSticky: stickyHeaderDates,
-                    syncRowHeights: true,
-                    chunks: [
-                        {
-                            key: 'axis',
-                            rowContent: (arg) => (y("tr", { role: "presentation" }, this.renderHeadAxis('day', arg.rowSyncHeights[0]))),
-                        },
-                        {
-                            key: 'cols',
-                            elRef: this.headerElRef,
-                            tableClassName: 'fc-col-header',
-                            rowContent: headerRowContent,
-                        },
-                    ],
-                });
-            }
-            if (allDayContent) {
-                sections.push({
-                    type: 'body',
-                    key: 'all-day',
-                    syncRowHeights: true,
-                    chunks: [
-                        {
-                            key: 'axis',
-                            rowContent: (contentArg) => (y("tr", { role: "presentation" }, this.renderTableRowAxis(contentArg.rowSyncHeights[0]))),
-                        },
-                        {
-                            key: 'cols',
-                            content: allDayContent,
-                        },
-                    ],
-                });
-                sections.push({
-                    key: 'all-day-divider',
-                    type: 'body',
-                    outerContent: ( // TODO: rename to cellContent so don't need to define <tr>?
-                    y("tr", { role: "presentation", className: "fc-scrollgrid-section" },
-                        y("td", { colSpan: 2, className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded') }))),
-                });
-            }
-            let isNowIndicator = context.options.nowIndicator;
-            sections.push({
-                type: 'body',
-                key: 'body',
-                liquid: true,
-                expandRows: Boolean(context.options.expandRows),
-                chunks: [
-                    {
-                        key: 'axis',
-                        content: (arg) => (
-                        // TODO: make this now-indicator arrow more DRY with TimeColsContent
-                        y("div", { className: "fc-timegrid-axis-chunk" },
-                            y("table", { "aria-hidden": true, style: { height: arg.expandRows ? arg.clientHeight : '' } },
-                                arg.tableColGroupNode,
-                                y("tbody", null,
-                                    y(TimeBodyAxis, { slatMetas: slatMetas }))),
-                            y("div", { className: "fc-timegrid-now-indicator-container" },
-                                y(NowTimer, { unit: isNowIndicator ? 'minute' : 'day' /* hacky */ }, (nowDate) => {
-                                    let nowIndicatorTop = isNowIndicator &&
-                                        slatCoords &&
-                                        slatCoords.safeComputeTop(nowDate); // might return void
-                                    if (typeof nowIndicatorTop === 'number') {
-                                        return (y(NowIndicatorContainer, { elClasses: ['fc-timegrid-now-indicator-arrow'], elStyle: { top: nowIndicatorTop }, isAxis: true, date: nowDate }));
-                                    }
-                                    return null;
-                                })))),
-                    },
-                    {
-                        key: 'cols',
-                        scrollerElRef: this.scrollerElRef,
-                        content: timeContent,
-                    },
-                ],
-            });
-            if (stickyFooterScrollbar) {
-                sections.push({
-                    key: 'footer',
-                    type: 'footer',
-                    isSticky: true,
-                    chunks: [
-                        {
-                            key: 'axis',
-                            content: renderScrollShim,
-                        },
-                        {
-                            key: 'cols',
-                            content: renderScrollShim,
-                        },
-                    ],
-                });
-            }
-            return (y(ViewContainer, { elRef: this.rootElRef, elClasses: ['fc-timegrid'], viewSpec: context.viewSpec },
-                y(ScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, forPrint: props.forPrint, collapsibleWidth: false, colGroups: [
-                        { width: 'shrink', cols: [{ width: 'shrink' }] },
-                        { cols: [{ span: colCnt, minWidth: dayMinWidth }] },
-                    ], sections: sections })));
-        }
-        /* Dimensions
-        ------------------------------------------------------------------------------------------------------------------*/
-        getAllDayMaxEventProps() {
-            let { dayMaxEvents, dayMaxEventRows } = this.context.options;
-            if (dayMaxEvents === true || dayMaxEventRows === true) { // is auto?
-                dayMaxEvents = undefined;
-                dayMaxEventRows = AUTO_ALL_DAY_MAX_EVENT_ROWS; // make sure "auto" goes to a real number
-            }
-            return { dayMaxEvents, dayMaxEventRows };
-        }
-    }
-    function renderAllDayInner$1(renderProps) {
-        return renderProps.text;
-    }
-
-    class TimeColsSlatsCoords {
-        constructor(positions, dateProfile, slotDuration) {
-            this.positions = positions;
-            this.dateProfile = dateProfile;
-            this.slotDuration = slotDuration;
-        }
-        safeComputeTop(date) {
-            let { dateProfile } = this;
-            if (rangeContainsMarker(dateProfile.currentRange, date)) {
-                let startOfDayDate = startOfDay(date);
-                let timeMs = date.valueOf() - startOfDayDate.valueOf();
-                if (timeMs >= asRoughMs(dateProfile.slotMinTime) &&
-                    timeMs < asRoughMs(dateProfile.slotMaxTime)) {
-                    return this.computeTimeTop(createDuration(timeMs));
-                }
-            }
-            return null;
-        }
-        // 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.
-        computeDateTop(when, startOfDayDate) {
-            if (!startOfDayDate) {
-                startOfDayDate = startOfDay(when);
-            }
-            return this.computeTimeTop(createDuration(when.valueOf() - startOfDayDate.valueOf()));
-        }
-        // Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).
-        // This is a makeshify way to compute the time-top. Assumes all slatMetas dates are uniform.
-        // Eventually allow computation with arbirary slat dates.
-        computeTimeTop(duration) {
-            let { positions, dateProfile } = this;
-            let len = positions.els.length;
-            // floating-point value of # of slots covered
-            let slatCoverage = (duration.milliseconds - asRoughMs(dateProfile.slotMinTime)) / asRoughMs(this.slotDuration);
-            let slatIndex;
-            let slatRemainder;
-            // compute a floating-point number for how many slats should be progressed through.
-            // from 0 to number of slats (inclusive)
-            // constrained because slotMinTime/slotMaxTime might be customized.
-            slatCoverage = Math.max(0, slatCoverage);
-            slatCoverage = Math.min(len, slatCoverage);
-            // an integer index of the furthest whole slat
-            // from 0 to number slats (*exclusive*, so len-1)
-            slatIndex = Math.floor(slatCoverage);
-            slatIndex = Math.min(slatIndex, len - 1);
-            // how much further through the slatIndex slat (from 0.0-1.0) must be covered in addition.
-            // could be 1.0 if slatCoverage is covering *all* the slots
-            slatRemainder = slatCoverage - slatIndex;
-            return positions.tops[slatIndex] +
-                positions.getHeight(slatIndex) * slatRemainder;
-        }
-    }
-
-    class TimeColsSlatsBody extends BaseComponent {
-        render() {
-            let { props, context } = this;
-            let { options } = context;
-            let { slatElRefs } = props;
-            return (y("tbody", null, props.slatMetas.map((slatMeta, i) => {
-                let renderProps = {
-                    time: slatMeta.time,
-                    date: context.dateEnv.toDate(slatMeta.date),
-                    view: context.viewApi,
-                };
-                return (y("tr", { key: slatMeta.key, ref: slatElRefs.createRef(slatMeta.key) },
-                    props.axis && (y(TimeColsAxisCell, Object.assign({}, slatMeta))),
-                    y(ContentContainer, { elTag: "td", elClasses: [
-                            'fc-timegrid-slot',
-                            'fc-timegrid-slot-lane',
-                            !slatMeta.isLabeled && 'fc-timegrid-slot-minor',
-                        ], elAttrs: {
-                            'data-time': slatMeta.isoTimeStr,
-                        }, renderProps: renderProps, generatorName: "slotLaneContent", customGenerator: options.slotLaneContent, classNameGenerator: options.slotLaneClassNames, didMount: options.slotLaneDidMount, willUnmount: options.slotLaneWillUnmount })));
-            })));
-        }
-    }
-
-    /*
-    for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.
-    */
-    class TimeColsSlats extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.rootElRef = d();
-            this.slatElRefs = new RefMap();
-        }
-        render() {
-            let { props, context } = this;
-            return (y("div", { ref: this.rootElRef, className: "fc-timegrid-slots" },
-                y("table", { "aria-hidden": true, className: context.theme.getClass('table'), style: {
-                        minWidth: props.tableMinWidth,
-                        width: props.clientWidth,
-                        height: props.minHeight,
-                    } },
-                    props.tableColGroupNode /* relies on there only being a single <col> for the axis */,
-                    y(TimeColsSlatsBody, { slatElRefs: this.slatElRefs, axis: props.axis, slatMetas: props.slatMetas }))));
-        }
-        componentDidMount() {
-            this.updateSizing();
-        }
-        componentDidUpdate() {
-            this.updateSizing();
-        }
-        componentWillUnmount() {
-            if (this.props.onCoords) {
-                this.props.onCoords(null);
-            }
-        }
-        updateSizing() {
-            let { context, props } = this;
-            if (props.onCoords &&
-                props.clientWidth !== null // means sizing has stabilized
-            ) {
-                let rootEl = this.rootElRef.current;
-                if (rootEl.offsetHeight) { // not hidden by css
-                    props.onCoords(new TimeColsSlatsCoords(new PositionCache(this.rootElRef.current, collectSlatEls(this.slatElRefs.currentMap, props.slatMetas), false, true), this.props.dateProfile, context.options.slotDuration));
-                }
-            }
-        }
-    }
-    function collectSlatEls(elMap, slatMetas) {
-        return slatMetas.map((slatMeta) => elMap[slatMeta.key]);
-    }
-
-    function splitSegsByCol(segs, colCnt) {
-        let segsByCol = [];
-        let i;
-        for (i = 0; i < colCnt; i += 1) {
-            segsByCol.push([]);
-        }
-        if (segs) {
-            for (i = 0; i < segs.length; i += 1) {
-                segsByCol[segs[i].col].push(segs[i]);
-            }
-        }
-        return segsByCol;
-    }
-    function splitInteractionByCol(ui, colCnt) {
-        let byRow = [];
-        if (!ui) {
-            for (let i = 0; i < colCnt; i += 1) {
-                byRow[i] = null;
-            }
-        }
-        else {
-            for (let i = 0; i < colCnt; i += 1) {
-                byRow[i] = {
-                    affectedInstances: ui.affectedInstances,
-                    isEvent: ui.isEvent,
-                    segs: [],
-                };
-            }
-            for (let seg of ui.segs) {
-                byRow[seg.col].segs.push(seg);
-            }
-        }
-        return byRow;
-    }
-
-    class TimeColMoreLink extends BaseComponent {
-        render() {
-            let { props } = this;
-            return (y(MoreLinkContainer, { elClasses: ['fc-timegrid-more-link'], elStyle: {
-                    top: props.top,
-                    bottom: props.bottom,
-                }, allDayDate: null, moreCnt: props.hiddenSegs.length, allSegs: props.hiddenSegs, hiddenSegs: props.hiddenSegs, extraDateSpan: props.extraDateSpan, dateProfile: props.dateProfile, todayRange: props.todayRange, popoverContent: () => renderPlainFgSegs(props.hiddenSegs, props), defaultGenerator: renderMoreLinkInner, forceTimed: true }, (InnerContent) => (y(InnerContent, { elTag: "div", elClasses: ['fc-timegrid-more-link-inner', 'fc-sticky'] }))));
-        }
-    }
-    function renderMoreLinkInner(props) {
-        return props.shortText;
-    }
-
-    // segInputs assumed sorted
-    function buildPositioning(segInputs, strictOrder, maxStackCnt) {
-        let hierarchy = new SegHierarchy();
-        if (strictOrder != null) {
-            hierarchy.strictOrder = strictOrder;
-        }
-        if (maxStackCnt != null) {
-            hierarchy.maxStackCnt = maxStackCnt;
-        }
-        let hiddenEntries = hierarchy.addSegs(segInputs);
-        let hiddenGroups = groupIntersectingEntries(hiddenEntries);
-        let web = buildWeb(hierarchy);
-        web = stretchWeb(web, 1); // all levelCoords/thickness will have 0.0-1.0
-        let segRects = webToRects(web);
-        return { segRects, hiddenGroups };
-    }
-    function buildWeb(hierarchy) {
-        const { entriesByLevel } = hierarchy;
-        const buildNode = cacheable((level, lateral) => level + ':' + lateral, (level, lateral) => {
-            let siblingRange = findNextLevelSegs(hierarchy, level, lateral);
-            let nextLevelRes = buildNodes(siblingRange, buildNode);
-            let entry = entriesByLevel[level][lateral];
-            return [
-                Object.assign(Object.assign({}, entry), { nextLevelNodes: nextLevelRes[0] }),
-                entry.thickness + nextLevelRes[1], // the pressure builds
-            ];
-        });
-        return buildNodes(entriesByLevel.length
-            ? { level: 0, lateralStart: 0, lateralEnd: entriesByLevel[0].length }
-            : null, buildNode)[0];
-    }
-    function buildNodes(siblingRange, buildNode) {
-        if (!siblingRange) {
-            return [[], 0];
-        }
-        let { level, lateralStart, lateralEnd } = siblingRange;
-        let lateral = lateralStart;
-        let pairs = [];
-        while (lateral < lateralEnd) {
-            pairs.push(buildNode(level, lateral));
-            lateral += 1;
-        }
-        pairs.sort(cmpDescPressures);
-        return [
-            pairs.map(extractNode),
-            pairs[0][1], // first item's pressure
-        ];
-    }
-    function cmpDescPressures(a, b) {
-        return b[1] - a[1];
-    }
-    function extractNode(a) {
-        return a[0];
-    }
-    function findNextLevelSegs(hierarchy, subjectLevel, subjectLateral) {
-        let { levelCoords, entriesByLevel } = hierarchy;
-        let subjectEntry = entriesByLevel[subjectLevel][subjectLateral];
-        let afterSubject = levelCoords[subjectLevel] + subjectEntry.thickness;
-        let levelCnt = levelCoords.length;
-        let level = subjectLevel;
-        // skip past levels that are too high up
-        for (; level < levelCnt && levelCoords[level] < afterSubject; level += 1)
-            ; // do nothing
-        for (; level < levelCnt; level += 1) {
-            let entries = entriesByLevel[level];
-            let entry;
-            let searchIndex = binarySearch(entries, subjectEntry.span.start, getEntrySpanEnd);
-            let lateralStart = searchIndex[0] + searchIndex[1]; // if exact match (which doesn't collide), go to next one
-            let lateralEnd = lateralStart;
-            while ( // loop through entries that horizontally intersect
-            (entry = entries[lateralEnd]) && // but not past the whole seg list
-                entry.span.start < subjectEntry.span.end) {
-                lateralEnd += 1;
-            }
-            if (lateralStart < lateralEnd) {
-                return { level, lateralStart, lateralEnd };
-            }
-        }
-        return null;
-    }
-    function stretchWeb(topLevelNodes, totalThickness) {
-        const stretchNode = cacheable((node, startCoord, prevThickness) => buildEntryKey(node), (node, startCoord, prevThickness) => {
-            let { nextLevelNodes, thickness } = node;
-            let allThickness = thickness + prevThickness;
-            let thicknessFraction = thickness / allThickness;
-            let endCoord;
-            let newChildren = [];
-            if (!nextLevelNodes.length) {
-                endCoord = totalThickness;
-            }
-            else {
-                for (let childNode of nextLevelNodes) {
-                    if (endCoord === undefined) {
-                        let res = stretchNode(childNode, startCoord, allThickness);
-                        endCoord = res[0];
-                        newChildren.push(res[1]);
-                    }
-                    else {
-                        let res = stretchNode(childNode, endCoord, 0);
-                        newChildren.push(res[1]);
-                    }
-                }
-            }
-            let newThickness = (endCoord - startCoord) * thicknessFraction;
-            return [endCoord - newThickness, Object.assign(Object.assign({}, node), { thickness: newThickness, nextLevelNodes: newChildren })];
-        });
-        return topLevelNodes.map((node) => stretchNode(node, 0, 0)[1]);
-    }
-    // not sorted in any particular order
-    function webToRects(topLevelNodes) {
-        let rects = [];
-        const processNode = cacheable((node, levelCoord, stackDepth) => buildEntryKey(node), (node, levelCoord, stackDepth) => {
-            let rect = Object.assign(Object.assign({}, node), { levelCoord,
-                stackDepth, stackForward: 0 });
-            rects.push(rect);
-            return (rect.stackForward = processNodes(node.nextLevelNodes, levelCoord + node.thickness, stackDepth + 1) + 1);
-        });
-        function processNodes(nodes, levelCoord, stackDepth) {
-            let stackForward = 0;
-            for (let node of nodes) {
-                stackForward = Math.max(processNode(node, levelCoord, stackDepth), stackForward);
-            }
-            return stackForward;
-        }
-        processNodes(topLevelNodes, 0, 0);
-        return rects; // TODO: sort rects by levelCoord to be consistent with toRects?
-    }
-    // TODO: move to general util
-    function cacheable(keyFunc, workFunc) {
-        const cache = {};
-        return (...args) => {
-            let key = keyFunc(...args);
-            return (key in cache)
-                ? cache[key]
-                : (cache[key] = workFunc(...args));
-        };
-    }
-
-    function computeSegVCoords(segs, colDate, slatCoords = null, eventMinHeight = 0) {
-        let vcoords = [];
-        if (slatCoords) {
-            for (let i = 0; i < segs.length; i += 1) {
-                let seg = segs[i];
-                let spanStart = slatCoords.computeDateTop(seg.start, colDate);
-                let spanEnd = Math.max(spanStart + (eventMinHeight || 0), // :(
-                slatCoords.computeDateTop(seg.end, colDate));
-                vcoords.push({
-                    start: Math.round(spanStart),
-                    end: Math.round(spanEnd), //
-                });
-            }
-        }
-        return vcoords;
-    }
-    function computeFgSegPlacements(segs, segVCoords, // might not have for every seg
-    eventOrderStrict, eventMaxStack) {
-        let segInputs = [];
-        let dumbSegs = []; // segs without coords
-        for (let i = 0; i < segs.length; i += 1) {
-            let vcoords = segVCoords[i];
-            if (vcoords) {
-                segInputs.push({
-                    index: i,
-                    thickness: 1,
-                    span: vcoords,
-                });
-            }
-            else {
-                dumbSegs.push(segs[i]);
-            }
-        }
-        let { segRects, hiddenGroups } = buildPositioning(segInputs, eventOrderStrict, eventMaxStack);
-        let segPlacements = [];
-        for (let segRect of segRects) {
-            segPlacements.push({
-                seg: segs[segRect.index],
-                rect: segRect,
-            });
-        }
-        for (let dumbSeg of dumbSegs) {
-            segPlacements.push({ seg: dumbSeg, rect: null });
-        }
-        return { segPlacements, hiddenGroups };
-    }
-
-    const DEFAULT_TIME_FORMAT$1 = createFormatter({
-        hour: 'numeric',
-        minute: '2-digit',
-        meridiem: false,
-    });
-    class TimeColEvent extends BaseComponent {
-        render() {
-            return (y(StandardEvent, Object.assign({}, this.props, { elClasses: [
-                    'fc-timegrid-event',
-                    'fc-v-event',
-                    this.props.isShort && 'fc-timegrid-event-short',
-                ], defaultTimeFormat: DEFAULT_TIME_FORMAT$1 })));
-        }
-    }
-
-    class TimeCol extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.sortEventSegs = memoize(sortEventSegs);
-        }
-        // TODO: memoize event-placement?
-        render() {
-            let { props, context } = this;
-            let { options } = context;
-            let isSelectMirror = options.selectMirror;
-            let mirrorSegs = // yuck
-             (props.eventDrag && props.eventDrag.segs) ||
-                (props.eventResize && props.eventResize.segs) ||
-                (isSelectMirror && props.dateSelectionSegs) ||
-                [];
-            let interactionAffectedInstances = // TODO: messy way to compute this
-             (props.eventDrag && props.eventDrag.affectedInstances) ||
-                (props.eventResize && props.eventResize.affectedInstances) ||
-                {};
-            let sortedFgSegs = this.sortEventSegs(props.fgEventSegs, options.eventOrder);
-            return (y(DayCellContainer, { elTag: "td", elRef: props.elRef, elClasses: [
-                    'fc-timegrid-col',
-                    ...(props.extraClassNames || []),
-                ], elAttrs: Object.assign({ role: 'gridcell' }, props.extraDataAttrs), date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, extraRenderProps: props.extraRenderProps }, (InnerContent) => (y("div", { className: "fc-timegrid-col-frame" },
-                y("div", { className: "fc-timegrid-col-bg" },
-                    this.renderFillSegs(props.businessHourSegs, 'non-business'),
-                    this.renderFillSegs(props.bgEventSegs, 'bg-event'),
-                    this.renderFillSegs(props.dateSelectionSegs, 'highlight')),
-                y("div", { className: "fc-timegrid-col-events" }, this.renderFgSegs(sortedFgSegs, interactionAffectedInstances, false, false, false)),
-                y("div", { className: "fc-timegrid-col-events" }, this.renderFgSegs(mirrorSegs, {}, Boolean(props.eventDrag), Boolean(props.eventResize), Boolean(isSelectMirror), 'mirror')),
-                y("div", { className: "fc-timegrid-now-indicator-container" }, this.renderNowIndicator(props.nowIndicatorSegs)),
-                hasCustomDayCellContent(options) && (y(InnerContent, { elTag: "div", elClasses: ['fc-timegrid-col-misc'] }))))));
-        }
-        renderFgSegs(sortedFgSegs, segIsInvisible, isDragging, isResizing, isDateSelecting, forcedKey) {
-            let { props } = this;
-            if (props.forPrint) {
-                return renderPlainFgSegs(sortedFgSegs, props);
-            }
-            return this.renderPositionedFgSegs(sortedFgSegs, segIsInvisible, isDragging, isResizing, isDateSelecting, forcedKey);
-        }
-        renderPositionedFgSegs(segs, // if not mirror, needs to be sorted
-        segIsInvisible, isDragging, isResizing, isDateSelecting, forcedKey) {
-            let { eventMaxStack, eventShortHeight, eventOrderStrict, eventMinHeight } = this.context.options;
-            let { date, slatCoords, eventSelection, todayRange, nowDate } = this.props;
-            let isMirror = isDragging || isResizing || isDateSelecting;
-            let segVCoords = computeSegVCoords(segs, date, slatCoords, eventMinHeight);
-            let { segPlacements, hiddenGroups } = computeFgSegPlacements(segs, segVCoords, eventOrderStrict, eventMaxStack);
-            return (y(_, null,
-                this.renderHiddenGroups(hiddenGroups, segs),
-                segPlacements.map((segPlacement) => {
-                    let { seg, rect } = segPlacement;
-                    let instanceId = seg.eventRange.instance.instanceId;
-                    let isVisible = isMirror || Boolean(!segIsInvisible[instanceId] && rect);
-                    let vStyle = computeSegVStyle(rect && rect.span);
-                    let hStyle = (!isMirror && rect) ? this.computeSegHStyle(rect) : { left: 0, right: 0 };
-                    let isInset = Boolean(rect) && rect.stackForward > 0;
-                    let isShort = Boolean(rect) && (rect.span.end - rect.span.start) < eventShortHeight; // look at other places for this problem
-                    return (y("div", { className: 'fc-timegrid-event-harness' +
-                            (isInset ? ' fc-timegrid-event-harness-inset' : ''), key: forcedKey || instanceId, style: Object.assign(Object.assign({ visibility: isVisible ? '' : 'hidden' }, vStyle), hStyle) },
-                        y(TimeColEvent, Object.assign({ seg: seg, isDragging: isDragging, isResizing: isResizing, isDateSelecting: isDateSelecting, isSelected: instanceId === eventSelection, isShort: isShort }, getSegMeta(seg, todayRange, nowDate)))));
-                })));
-        }
-        // will already have eventMinHeight applied because segInputs already had it
-        renderHiddenGroups(hiddenGroups, segs) {
-            let { extraDateSpan, dateProfile, todayRange, nowDate, eventSelection, eventDrag, eventResize } = this.props;
-            return (y(_, null, hiddenGroups.map((hiddenGroup) => {
-                let positionCss = computeSegVStyle(hiddenGroup.span);
-                let hiddenSegs = compileSegsFromEntries(hiddenGroup.entries, segs);
-                return (y(TimeColMoreLink, { key: buildIsoString(computeEarliestSegStart(hiddenSegs)), hiddenSegs: hiddenSegs, top: positionCss.top, bottom: positionCss.bottom, extraDateSpan: extraDateSpan, dateProfile: dateProfile, todayRange: todayRange, nowDate: nowDate, eventSelection: eventSelection, eventDrag: eventDrag, eventResize: eventResize }));
-            })));
-        }
-        renderFillSegs(segs, fillType) {
-            let { props, context } = this;
-            let segVCoords = computeSegVCoords(segs, props.date, props.slatCoords, context.options.eventMinHeight); // don't assume all populated
-            let children = segVCoords.map((vcoords, i) => {
-                let seg = segs[i];
-                return (y("div", { key: buildEventRangeKey(seg.eventRange), className: "fc-timegrid-bg-harness", style: computeSegVStyle(vcoords) }, fillType === 'bg-event' ?
-                    y(BgEvent, Object.assign({ seg: seg }, getSegMeta(seg, props.todayRange, props.nowDate))) :
-                    renderFill(fillType)));
-            });
-            return y(_, null, children);
-        }
-        renderNowIndicator(segs) {
-            let { slatCoords, date } = this.props;
-            if (!slatCoords) {
-                return null;
-            }
-            return segs.map((seg, i) => (y(NowIndicatorContainer
-            // key doesn't matter. will only ever be one
-            , { 
-                // key doesn't matter. will only ever be one
-                key: i, elClasses: ['fc-timegrid-now-indicator-line'], elStyle: {
-                    top: slatCoords.computeDateTop(seg.start, date),
-                }, isAxis: false, date: date })));
-        }
-        computeSegHStyle(segHCoords) {
-            let { isRtl, options } = this.context;
-            let shouldOverlap = options.slotEventOverlap;
-            let nearCoord = segHCoords.levelCoord; // the left side if LTR. the right side if RTL. floating-point
-            let farCoord = segHCoords.levelCoord + segHCoords.thickness; // the right side if LTR. the left side if RTL. floating-point
-            let left; // amount of space from left edge, a fraction of the total width
-            let 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)
-                farCoord = Math.min(1, nearCoord + (farCoord - nearCoord) * 2);
-            }
-            if (isRtl) {
-                left = 1 - farCoord;
-                right = nearCoord;
-            }
-            else {
-                left = nearCoord;
-                right = 1 - farCoord;
-            }
-            let props = {
-                zIndex: segHCoords.stackDepth + 1,
-                left: left * 100 + '%',
-                right: right * 100 + '%',
-            };
-            if (shouldOverlap && !segHCoords.stackForward) {
-                // 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;
-        }
-    }
-    function renderPlainFgSegs(sortedFgSegs, { todayRange, nowDate, eventSelection, eventDrag, eventResize }) {
-        let hiddenInstances = (eventDrag ? eventDrag.affectedInstances : null) ||
-            (eventResize ? eventResize.affectedInstances : null) ||
-            {};
-        return (y(_, null, sortedFgSegs.map((seg) => {
-            let instanceId = seg.eventRange.instance.instanceId;
-            return (y("div", { key: instanceId, style: { visibility: hiddenInstances[instanceId] ? 'hidden' : '' } },
-                y(TimeColEvent, Object.assign({ seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: instanceId === eventSelection, isShort: false }, getSegMeta(seg, todayRange, nowDate)))));
-        })));
-    }
-    function computeSegVStyle(segVCoords) {
-        if (!segVCoords) {
-            return { top: '', bottom: '' };
-        }
-        return {
-            top: segVCoords.start,
-            bottom: -segVCoords.end,
-        };
-    }
-    function compileSegsFromEntries(segEntries, allSegs) {
-        return segEntries.map((segEntry) => allSegs[segEntry.index]);
-    }
-
-    class TimeColsContent extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.splitFgEventSegs = memoize(splitSegsByCol);
-            this.splitBgEventSegs = memoize(splitSegsByCol);
-            this.splitBusinessHourSegs = memoize(splitSegsByCol);
-            this.splitNowIndicatorSegs = memoize(splitSegsByCol);
-            this.splitDateSelectionSegs = memoize(splitSegsByCol);
-            this.splitEventDrag = memoize(splitInteractionByCol);
-            this.splitEventResize = memoize(splitInteractionByCol);
-            this.rootElRef = d();
-            this.cellElRefs = new RefMap();
-        }
-        render() {
-            let { props, context } = this;
-            let nowIndicatorTop = context.options.nowIndicator &&
-                props.slatCoords &&
-                props.slatCoords.safeComputeTop(props.nowDate); // might return void
-            let colCnt = props.cells.length;
-            let fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, colCnt);
-            let bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, colCnt);
-            let businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, colCnt);
-            let nowIndicatorSegsByRow = this.splitNowIndicatorSegs(props.nowIndicatorSegs, colCnt);
-            let dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, colCnt);
-            let eventDragByRow = this.splitEventDrag(props.eventDrag, colCnt);
-            let eventResizeByRow = this.splitEventResize(props.eventResize, colCnt);
-            return (y("div", { className: "fc-timegrid-cols", ref: this.rootElRef },
-                y("table", { role: "presentation", style: {
-                        minWidth: props.tableMinWidth,
-                        width: props.clientWidth,
-                    } },
-                    props.tableColGroupNode,
-                    y("tbody", { role: "presentation" },
-                        y("tr", { role: "row" },
-                            props.axis && (y("td", { "aria-hidden": true, className: "fc-timegrid-col fc-timegrid-axis" },
-                                y("div", { className: "fc-timegrid-col-frame" },
-                                    y("div", { className: "fc-timegrid-now-indicator-container" }, typeof nowIndicatorTop === 'number' && (y(NowIndicatorContainer, { elClasses: ['fc-timegrid-now-indicator-arrow'], elStyle: { top: nowIndicatorTop }, isAxis: true, date: props.nowDate })))))),
-                            props.cells.map((cell, i) => (y(TimeCol, { key: cell.key, elRef: this.cellElRefs.createRef(cell.key), dateProfile: props.dateProfile, date: cell.date, nowDate: props.nowDate, todayRange: props.todayRange, extraRenderProps: cell.extraRenderProps, extraDataAttrs: cell.extraDataAttrs, extraClassNames: cell.extraClassNames, extraDateSpan: cell.extraDateSpan, fgEventSegs: fgEventSegsByRow[i], bgEventSegs: bgEventSegsByRow[i], businessHourSegs: businessHourSegsByRow[i], nowIndicatorSegs: nowIndicatorSegsByRow[i], dateSelectionSegs: dateSelectionSegsByRow[i], eventDrag: eventDragByRow[i], eventResize: eventResizeByRow[i], slatCoords: props.slatCoords, eventSelection: props.eventSelection, forPrint: props.forPrint }))))))));
-        }
-        componentDidMount() {
-            this.updateCoords();
-        }
-        componentDidUpdate() {
-            this.updateCoords();
-        }
-        updateCoords() {
-            let { props } = this;
-            if (props.onColCoords &&
-                props.clientWidth !== null // means sizing has stabilized
-            ) {
-                props.onColCoords(new PositionCache(this.rootElRef.current, collectCellEls(this.cellElRefs.currentMap, props.cells), true, // horizontal
-                false));
-            }
-        }
-    }
-    function collectCellEls(elMap, cells) {
-        return cells.map((cell) => elMap[cell.key]);
-    }
-
-    /* A component that renders one or more columns of vertical time slots
-    ----------------------------------------------------------------------------------------------------------------------*/
-    class TimeCols extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.processSlotOptions = memoize(processSlotOptions);
-            this.state = {
-                slatCoords: null,
-            };
-            this.handleRootEl = (el) => {
-                if (el) {
-                    this.context.registerInteractiveComponent(this, {
-                        el,
-                        isHitComboAllowed: this.props.isHitComboAllowed,
-                    });
-                }
-                else {
-                    this.context.unregisterInteractiveComponent(this);
-                }
-            };
-            this.handleScrollRequest = (request) => {
-                let { onScrollTopRequest } = this.props;
-                let { slatCoords } = this.state;
-                if (onScrollTopRequest && slatCoords) {
-                    if (request.time) {
-                        let top = slatCoords.computeTimeTop(request.time);
-                        top = Math.ceil(top); // zoom can give weird floating-point values. rather scroll a little bit further
-                        if (top) {
-                            top += 1; // to overcome top border that slots beyond the first have. looks better
-                        }
-                        onScrollTopRequest(top);
-                    }
-                    return true;
-                }
-                return false;
-            };
-            this.handleColCoords = (colCoords) => {
-                this.colCoords = colCoords;
-            };
-            this.handleSlatCoords = (slatCoords) => {
-                this.setState({ slatCoords });
-                if (this.props.onSlatCoords) {
-                    this.props.onSlatCoords(slatCoords);
-                }
-            };
-        }
-        render() {
-            let { props, state } = this;
-            return (y("div", { className: "fc-timegrid-body", ref: this.handleRootEl, style: {
-                    // these props are important to give this wrapper correct dimensions for interactions
-                    // TODO: if we set it here, can we avoid giving to inner tables?
-                    width: props.clientWidth,
-                    minWidth: props.tableMinWidth,
-                } },
-                y(TimeColsSlats, { axis: props.axis, dateProfile: props.dateProfile, slatMetas: props.slatMetas, clientWidth: props.clientWidth, minHeight: props.expandRows ? props.clientHeight : '', tableMinWidth: props.tableMinWidth, tableColGroupNode: props.axis ? props.tableColGroupNode : null /* axis depends on the colgroup's shrinking */, onCoords: this.handleSlatCoords }),
-                y(TimeColsContent, { cells: props.cells, axis: props.axis, dateProfile: props.dateProfile, businessHourSegs: props.businessHourSegs, bgEventSegs: props.bgEventSegs, fgEventSegs: props.fgEventSegs, dateSelectionSegs: props.dateSelectionSegs, eventSelection: props.eventSelection, eventDrag: props.eventDrag, eventResize: props.eventResize, todayRange: props.todayRange, nowDate: props.nowDate, nowIndicatorSegs: props.nowIndicatorSegs, clientWidth: props.clientWidth, tableMinWidth: props.tableMinWidth, tableColGroupNode: props.tableColGroupNode, slatCoords: state.slatCoords, onColCoords: this.handleColCoords, forPrint: props.forPrint })));
-        }
-        componentDidMount() {
-            this.scrollResponder = this.context.createScrollResponder(this.handleScrollRequest);
-        }
-        componentDidUpdate(prevProps) {
-            this.scrollResponder.update(prevProps.dateProfile !== this.props.dateProfile);
-        }
-        componentWillUnmount() {
-            this.scrollResponder.detach();
-        }
-        queryHit(positionLeft, positionTop) {
-            let { dateEnv, options } = this.context;
-            let { colCoords } = this;
-            let { dateProfile } = this.props;
-            let { slatCoords } = this.state;
-            let { snapDuration, snapsPerSlot } = this.processSlotOptions(this.props.slotDuration, options.snapDuration);
-            let colIndex = colCoords.leftToIndex(positionLeft);
-            let slatIndex = slatCoords.positions.topToIndex(positionTop);
-            if (colIndex != null && slatIndex != null) {
-                let cell = this.props.cells[colIndex];
-                let slatTop = slatCoords.positions.tops[slatIndex];
-                let slatHeight = slatCoords.positions.getHeight(slatIndex);
-                let partial = (positionTop - slatTop) / slatHeight; // floating point number between 0 and 1
-                let localSnapIndex = Math.floor(partial * snapsPerSlot); // the snap # relative to start of slat
-                let snapIndex = slatIndex * snapsPerSlot + localSnapIndex;
-                let dayDate = this.props.cells[colIndex].date;
-                let time = addDurations(dateProfile.slotMinTime, multiplyDuration(snapDuration, snapIndex));
-                let start = dateEnv.add(dayDate, time);
-                let end = dateEnv.add(start, snapDuration);
-                return {
-                    dateProfile,
-                    dateSpan: Object.assign({ range: { start, end }, allDay: false }, cell.extraDateSpan),
-                    dayEl: colCoords.els[colIndex],
-                    rect: {
-                        left: colCoords.lefts[colIndex],
-                        right: colCoords.rights[colIndex],
-                        top: slatTop,
-                        bottom: slatTop + slatHeight,
-                    },
-                    layer: 0,
-                };
-            }
-            return null;
-        }
-    }
-    function processSlotOptions(slotDuration, snapDurationOverride) {
-        let snapDuration = snapDurationOverride || slotDuration;
-        let snapsPerSlot = wholeDivideDurations(slotDuration, snapDuration);
-        if (snapsPerSlot === null) {
-            snapDuration = slotDuration;
-            snapsPerSlot = 1;
-            // TODO: say warning?
-        }
-        return { snapDuration, snapsPerSlot };
-    }
-
-    class DayTimeColsSlicer extends Slicer {
-        sliceRange(range, dayRanges) {
-            let segs = [];
-            for (let col = 0; col < dayRanges.length; col += 1) {
-                let segRange = intersectRanges(range, dayRanges[col]);
-                if (segRange) {
-                    segs.push({
-                        start: segRange.start,
-                        end: segRange.end,
-                        isStart: segRange.start.valueOf() === range.start.valueOf(),
-                        isEnd: segRange.end.valueOf() === range.end.valueOf(),
-                        col,
-                    });
-                }
-            }
-            return segs;
-        }
-    }
-
-    class DayTimeCols extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.buildDayRanges = memoize(buildDayRanges);
-            this.slicer = new DayTimeColsSlicer();
-            this.timeColsRef = d();
-        }
-        render() {
-            let { props, context } = this;
-            let { dateProfile, dayTableModel } = props;
-            let { nowIndicator, nextDayThreshold } = context.options;
-            let dayRanges = this.buildDayRanges(dayTableModel, dateProfile, context.dateEnv);
-            // give it the first row of cells
-            // TODO: would move this further down hierarchy, but sliceNowDate needs it
-            return (y(NowTimer, { unit: nowIndicator ? 'minute' : 'day' }, (nowDate, todayRange) => (y(TimeCols, Object.assign({ ref: this.timeColsRef }, this.slicer.sliceProps(props, dateProfile, null, context, dayRanges), { forPrint: props.forPrint, axis: props.axis, dateProfile: dateProfile, slatMetas: props.slatMetas, slotDuration: props.slotDuration, cells: dayTableModel.cells[0], tableColGroupNode: props.tableColGroupNode, tableMinWidth: props.tableMinWidth, clientWidth: props.clientWidth, clientHeight: props.clientHeight, expandRows: props.expandRows, nowDate: nowDate, nowIndicatorSegs: nowIndicator && this.slicer.sliceNowDate(nowDate, dateProfile, nextDayThreshold, context, dayRanges), todayRange: todayRange, onScrollTopRequest: props.onScrollTopRequest, onSlatCoords: props.onSlatCoords })))));
-        }
-    }
-    function buildDayRanges(dayTableModel, dateProfile, dateEnv) {
-        let ranges = [];
-        for (let date of dayTableModel.headerDates) {
-            ranges.push({
-                start: dateEnv.add(date, dateProfile.slotMinTime),
-                end: dateEnv.add(date, dateProfile.slotMaxTime),
-            });
-        }
-        return ranges;
-    }
-
-    // potential nice values for the slot-duration and interval-duration
-    // from largest to smallest
-    const STOCK_SUB_DURATIONS = [
-        { hours: 1 },
-        { minutes: 30 },
-        { minutes: 15 },
-        { seconds: 30 },
-        { seconds: 15 },
-    ];
-    function buildSlatMetas(slotMinTime, slotMaxTime, explicitLabelInterval, slotDuration, dateEnv) {
-        let dayStart = new Date(0);
-        let slatTime = slotMinTime;
-        let slatIterator = createDuration(0);
-        let labelInterval = explicitLabelInterval || computeLabelInterval(slotDuration);
-        let metas = [];
-        while (asRoughMs(slatTime) < asRoughMs(slotMaxTime)) {
-            let date = dateEnv.add(dayStart, slatTime);
-            let isLabeled = wholeDivideDurations(slatIterator, labelInterval) !== null;
-            metas.push({
-                date,
-                time: slatTime,
-                key: date.toISOString(),
-                isoTimeStr: formatIsoTimeString(date),
-                isLabeled,
-            });
-            slatTime = addDurations(slatTime, slotDuration);
-            slatIterator = addDurations(slatIterator, slotDuration);
-        }
-        return metas;
-    }
-    // Computes an automatic value for slotLabelInterval
-    function computeLabelInterval(slotDuration) {
-        let i;
-        let labelInterval;
-        let slotsPerLabel;
-        // find the smallest stock label interval that results in more than one slots-per-label
-        for (i = STOCK_SUB_DURATIONS.length - 1; i >= 0; i -= 1) {
-            labelInterval = createDuration(STOCK_SUB_DURATIONS[i]);
-            slotsPerLabel = wholeDivideDurations(labelInterval, slotDuration);
-            if (slotsPerLabel !== null && slotsPerLabel > 1) {
-                return labelInterval;
-            }
-        }
-        return slotDuration; // fall back
-    }
-
-    class DayTimeColsView extends TimeColsView {
-        constructor() {
-            super(...arguments);
-            this.buildTimeColsModel = memoize(buildTimeColsModel);
-            this.buildSlatMetas = memoize(buildSlatMetas);
-        }
-        render() {
-            let { options, dateEnv, dateProfileGenerator } = this.context;
-            let { props } = this;
-            let { dateProfile } = props;
-            let dayTableModel = this.buildTimeColsModel(dateProfile, dateProfileGenerator);
-            let splitProps = this.allDaySplitter.splitProps(props);
-            let slatMetas = this.buildSlatMetas(dateProfile.slotMinTime, dateProfile.slotMaxTime, options.slotLabelInterval, options.slotDuration, dateEnv);
-            let { dayMinWidth } = options;
-            let hasAttachedAxis = !dayMinWidth;
-            let hasDetachedAxis = dayMinWidth;
-            let headerContent = options.dayHeaders && (y(DayHeader, { dates: dayTableModel.headerDates, dateProfile: dateProfile, datesRepDistinctDays: true, renderIntro: hasAttachedAxis ? this.renderHeadAxis : null }));
-            let allDayContent = (options.allDaySlot !== false) && ((contentArg) => (y(DayTable, Object.assign({}, splitProps.allDay, { dateProfile: dateProfile, dayTableModel: dayTableModel, nextDayThreshold: options.nextDayThreshold, tableMinWidth: contentArg.tableMinWidth, colGroupNode: contentArg.tableColGroupNode, renderRowIntro: hasAttachedAxis ? this.renderTableRowAxis : null, showWeekNumbers: false, expandRows: false, headerAlignElRef: this.headerElRef, clientWidth: contentArg.clientWidth, clientHeight: contentArg.clientHeight, forPrint: props.forPrint }, this.getAllDayMaxEventProps()))));
-            let timeGridContent = (contentArg) => (y(DayTimeCols, Object.assign({}, splitProps.timed, { dayTableModel: dayTableModel, dateProfile: dateProfile, axis: hasAttachedAxis, slotDuration: options.slotDuration, slatMetas: slatMetas, forPrint: props.forPrint, tableColGroupNode: contentArg.tableColGroupNode, tableMinWidth: contentArg.tableMinWidth, clientWidth: contentArg.clientWidth, clientHeight: contentArg.clientHeight, onSlatCoords: this.handleSlatCoords, expandRows: contentArg.expandRows, onScrollTopRequest: this.handleScrollTopRequest })));
-            return hasDetachedAxis
-                ? this.renderHScrollLayout(headerContent, allDayContent, timeGridContent, dayTableModel.colCnt, dayMinWidth, slatMetas, this.state.slatCoords)
-                : this.renderSimpleLayout(headerContent, allDayContent, timeGridContent);
-        }
-    }
-    function buildTimeColsModel(dateProfile, dateProfileGenerator) {
-        let daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator);
-        return new DayTableModel(daySeries, false);
-    }
-
-    var css_248z$2 = ".fc-v-event{background-color:var(--fc-event-bg-color);border:1px solid var(--fc-event-border-color);display:block}.fc-v-event .fc-event-main{color:var(--fc-event-text-color);height:100%}.fc-v-event .fc-event-main-frame{display:flex;flex-direction:column;height:100%}.fc-v-event .fc-event-time{flex-grow:0;flex-shrink:0;max-height:100%;overflow:hidden}.fc-v-event .fc-event-title-container{flex-grow:1;flex-shrink:1;min-height:0}.fc-v-event .fc-event-title{bottom:0;max-height:100%;overflow:hidden;top:0}.fc-v-event:not(.fc-event-start){border-top-left-radius:0;border-top-right-radius:0;border-top-width:0}.fc-v-event:not(.fc-event-end){border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom-width:0}.fc-v-event.fc-event-selected:before{left:-10px;right:-10px}.fc-v-event .fc-event-resizer-start{cursor:n-resize}.fc-v-event .fc-event-resizer-end{cursor:s-resize}.fc-v-event:not(.fc-event-selected) .fc-event-resizer{height:var(--fc-event-resizer-thickness);left:0;right:0}.fc-v-event:not(.fc-event-selected) .fc-event-resizer-start{top:calc(var(--fc-event-resizer-thickness)/-2)}.fc-v-event:not(.fc-event-selected) .fc-event-resizer-end{bottom:calc(var(--fc-event-resizer-thickness)/-2)}.fc-v-event.fc-event-selected .fc-event-resizer{left:50%;margin-left:calc(var(--fc-event-resizer-dot-total-width)/-2)}.fc-v-event.fc-event-selected .fc-event-resizer-start{top:calc(var(--fc-event-resizer-dot-total-width)/-2)}.fc-v-event.fc-event-selected .fc-event-resizer-end{bottom:calc(var(--fc-event-resizer-dot-total-width)/-2)}.fc .fc-timegrid .fc-daygrid-body{z-index:2}.fc .fc-timegrid-divider{padding:0 0 2px}.fc .fc-timegrid-body{min-height:100%;position:relative;z-index:1}.fc .fc-timegrid-axis-chunk{position:relative}.fc .fc-timegrid-axis-chunk>table,.fc .fc-timegrid-slots{position:relative;z-index:1}.fc .fc-timegrid-slot{border-bottom:0;height:1.5em}.fc .fc-timegrid-slot:empty:before{content:\"\\00a0\"}.fc .fc-timegrid-slot-minor{border-top-style:dotted}.fc .fc-timegrid-slot-label-cushion{display:inline-block;white-space:nowrap}.fc .fc-timegrid-slot-label{vertical-align:middle}.fc .fc-timegrid-axis-cushion,.fc .fc-timegrid-slot-label-cushion{padding:0 4px}.fc .fc-timegrid-axis-frame-liquid{height:100%}.fc .fc-timegrid-axis-frame{align-items:center;display:flex;justify-content:flex-end;overflow:hidden}.fc .fc-timegrid-axis-cushion{flex-shrink:0;max-width:60px}.fc-direction-ltr .fc-timegrid-slot-label-frame{text-align:right}.fc-direction-rtl .fc-timegrid-slot-label-frame{text-align:left}.fc-liquid-hack .fc-timegrid-axis-frame-liquid{bottom:0;height:auto;left:0;position:absolute;right:0;top:0}.fc .fc-timegrid-col.fc-day-today{background-color:var(--fc-today-bg-color)}.fc .fc-timegrid-col-frame{min-height:100%;position:relative}.fc-media-screen.fc-liquid-hack .fc-timegrid-col-frame{bottom:0;height:auto;left:0;position:absolute;right:0;top:0}.fc-media-screen .fc-timegrid-cols{bottom:0;left:0;position:absolute;right:0;top:0}.fc-media-screen .fc-timegrid-cols>table{height:100%}.fc-media-screen .fc-timegrid-col-bg,.fc-media-screen .fc-timegrid-col-events,.fc-media-screen .fc-timegrid-now-indicator-container{left:0;position:absolute;right:0;top:0}.fc .fc-timegrid-col-bg{z-index:2}.fc .fc-timegrid-col-bg .fc-non-business{z-index:1}.fc .fc-timegrid-col-bg .fc-bg-event{z-index:2}.fc .fc-timegrid-col-bg .fc-highlight{z-index:3}.fc .fc-timegrid-bg-harness{left:0;position:absolute;right:0}.fc .fc-timegrid-col-events{z-index:3}.fc .fc-timegrid-now-indicator-container{bottom:0;overflow:hidden}.fc-direction-ltr .fc-timegrid-col-events{margin:0 2.5% 0 2px}.fc-direction-rtl .fc-timegrid-col-events{margin:0 2px 0 2.5%}.fc-timegrid-event-harness{position:absolute}.fc-timegrid-event-harness>.fc-timegrid-event{bottom:0;left:0;position:absolute;right:0;top:0}.fc-timegrid-event-harness-inset .fc-timegrid-event,.fc-timegrid-event.fc-event-mirror,.fc-timegrid-more-link{box-shadow:0 0 0 1px var(--fc-page-bg-color)}.fc-timegrid-event,.fc-timegrid-more-link{border-radius:3px;font-size:var(--fc-small-font-size)}.fc-timegrid-event{margin-bottom:1px}.fc-timegrid-event .fc-event-main{padding:1px 1px 0}.fc-timegrid-event .fc-event-time{font-size:var(--fc-small-font-size);margin-bottom:1px;white-space:nowrap}.fc-timegrid-event-short .fc-event-main-frame{flex-direction:row;overflow:hidden}.fc-timegrid-event-short .fc-event-time:after{content:\"\\00a0-\\00a0\"}.fc-timegrid-event-short .fc-event-title{font-size:var(--fc-small-font-size)}.fc-timegrid-more-link{background:var(--fc-more-link-bg-color);color:var(--fc-more-link-text-color);cursor:pointer;margin-bottom:1px;position:absolute;z-index:9999}.fc-timegrid-more-link-inner{padding:3px 2px;top:0}.fc-direction-ltr .fc-timegrid-more-link{right:0}.fc-direction-rtl .fc-timegrid-more-link{left:0}.fc .fc-timegrid-now-indicator-arrow,.fc .fc-timegrid-now-indicator-line{pointer-events:none}.fc .fc-timegrid-now-indicator-line{border-color:var(--fc-now-indicator-color);border-style:solid;border-width:1px 0 0;left:0;position:absolute;right:0;z-index:4}.fc .fc-timegrid-now-indicator-arrow{border-color:var(--fc-now-indicator-color);border-style:solid;margin-top:-5px;position:absolute;z-index:4}.fc-direction-ltr .fc-timegrid-now-indicator-arrow{border-bottom-color:transparent;border-top-color:transparent;border-width:5px 0 5px 6px;left:0}.fc-direction-rtl .fc-timegrid-now-indicator-arrow{border-bottom-color:transparent;border-top-color:transparent;border-width:5px 6px 5px 0;right:0}";
-    injectStyles(css_248z$2);
-
-    const OPTION_REFINERS$2 = {
-        allDaySlot: Boolean,
-    };
-
-    var index$2 = createPlugin({
-        name: '@fullcalendar/timegrid',
-        initialView: 'timeGridWeek',
-        optionRefiners: OPTION_REFINERS$2,
-        views: {
-            timeGrid: {
-                component: DayTimeColsView,
-                usesMinMaxTime: true,
-                allDaySlot: true,
-                slotDuration: '00:30:00',
-                slotEventOverlap: true, // a bad name. confused with overlap/constraint system
-            },
-            timeGridDay: {
-                type: 'timeGrid',
-                duration: { days: 1 },
-            },
-            timeGridWeek: {
-                type: 'timeGrid',
-                duration: { weeks: 1 },
-            },
-        },
-    });
-
-    class ListViewHeaderRow extends BaseComponent {
-        constructor() {
-            super(...arguments);
-            this.state = {
-                textId: getUniqueDomId(),
-            };
-        }
-        render() {
-            let { theme, dateEnv, options, viewApi } = this.context;
-            let { cellId, dayDate, todayRange } = this.props;
-            let { textId } = this.state;
-            let dayMeta = getDateMeta(dayDate, todayRange);
-            // will ever be falsy?
-            let text = options.listDayFormat ? dateEnv.format(dayDate, options.listDayFormat) : '';
-            // will ever be falsy? also, BAD NAME "alt"
-            let sideText = options.listDaySideFormat ? dateEnv.format(dayDate, options.listDaySideFormat) : '';
-            let renderProps = Object.assign({ date: dateEnv.toDate(dayDate), view: viewApi, textId,
-                text,
-                sideText, navLinkAttrs: buildNavLinkAttrs(this.context, dayDate), sideNavLinkAttrs: buildNavLinkAttrs(this.context, dayDate, 'day', false) }, dayMeta);
-            // TODO: make a reusable HOC for dayHeader (used in daygrid/timegrid too)
-            return (y(ContentContainer, { elTag: "tr", elClasses: [
-                    'fc-list-day',
-                    ...getDayClassNames(dayMeta, theme),
-                ], elAttrs: {
-                    'data-date': formatDayString(dayDate),
-                }, renderProps: renderProps, generatorName: "dayHeaderContent", customGenerator: options.dayHeaderContent, defaultGenerator: renderInnerContent, classNameGenerator: options.dayHeaderClassNames, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, (InnerContent) => ( // TODO: force-hide top border based on :first-child
-            y("th", { scope: "colgroup", colSpan: 3, id: cellId, "aria-labelledby": textId },
-                y(InnerContent, { elTag: "div", elClasses: [
-                        'fc-list-day-cushion',
-                        theme.getClass('tableCellShaded'),
-                    ] })))));
-        }
-    }
-    function renderInnerContent(props) {
-        return (y(_, null,
-            props.text && (y("a", Object.assign({ id: props.textId, className: "fc-list-day-text" }, props.navLinkAttrs), props.text)),
-            props.sideText && ( /* not keyboard tabbable */y("a", Object.assign({ "aria-hidden": true, className: "fc-list-day-side-text" }, props.sideNavLinkAttrs), props.sideText))));
-    }
-
-    const DEFAULT_TIME_FORMAT = createFormatter({
-        hour: 'numeric',
-        minute: '2-digit',
-        meridiem: 'short',
-    });
-    class ListViewEventRow extends BaseComponent {
-        render() {
-            let { props, context } = this;
-            let { options } = context;
-            let { seg, timeHeaderId, eventHeaderId, dateHeaderId } = props;
-            let timeFormat = options.eventTimeFormat || DEFAULT_TIME_FORMAT;
-            return (y(EventContainer, Object.assign({}, props, { elTag: "tr", elClasses: [
-                    'fc-list-event',
-                    seg.eventRange.def.url && 'fc-event-forced-url',
-                ], defaultGenerator: () => renderEventInnerContent(seg, context) /* weird */, seg: seg, timeText: "", disableDragging: true, disableResizing: true }), (InnerContent, eventContentArg) => (y(_, null,
-                buildTimeContent(seg, timeFormat, context, timeHeaderId, dateHeaderId),
-                y("td", { "aria-hidden": true, className: "fc-list-event-graphic" },
-                    y("span", { className: "fc-list-event-dot", style: {
-                            borderColor: eventContentArg.borderColor || eventContentArg.backgroundColor,
-                        } })),
-                y(InnerContent, { elTag: "td", elClasses: ['fc-list-event-title'], elAttrs: { headers: `${eventHeaderId} ${dateHeaderId}` } })))));
-        }
-    }
-    function renderEventInnerContent(seg, context) {
-        let interactiveAttrs = getSegAnchorAttrs(seg, context);
-        return (y("a", Object.assign({}, interactiveAttrs), seg.eventRange.def.title));
-    }
-    function buildTimeContent(seg, timeFormat, context, timeHeaderId, dateHeaderId) {
-        let { options } = context;
-        if (options.displayEventTime !== false) {
-            let eventDef = seg.eventRange.def;
-            let eventInstance = seg.eventRange.instance;
-            let doAllDay = false;
-            let timeText;
-            if (eventDef.allDay) {
-                doAllDay = true;
-            }
-            else if (isMultiDayRange(seg.eventRange.range)) { // TODO: use (!isStart || !isEnd) instead?
-                if (seg.isStart) {
-                    timeText = buildSegTimeText(seg, timeFormat, context, null, null, eventInstance.range.start, seg.end);
-                }
-                else if (seg.isEnd) {
-                    timeText = buildSegTimeText(seg, timeFormat, context, null, null, seg.start, eventInstance.range.end);
-                }
-                else {
-                    doAllDay = true;
-                }
-            }
-            else {
-                timeText = buildSegTimeText(seg, timeFormat, context);
-            }
-            if (doAllDay) {
-                let renderProps = {
-                    text: context.options.allDayText,
-                    view: context.viewApi,
-                };
-                return (y(ContentContainer, { elTag: "td", elClasses: ['fc-list-event-time'], elAttrs: {
-                        headers: `${timeHeaderId} ${dateHeaderId}`,
-                    }, renderProps: renderProps, generatorName: "allDayContent", customGenerator: options.allDayContent, defaultGenerator: renderAllDayInner, classNameGenerator: options.allDayClassNames, didMount: options.allDayDidMount, willUnmount: options.allDayWillUnmount }));
-            }
-            return (y("td", { className: "fc-list-event-time" }, timeText));
-        }
-        return null;
-    }
-    function renderAllDayInner(renderProps) {
-        return renderProps.text;
-    }
-
-    /*
-    Responsible for the scroller, and forwarding event-related actions into the "grid".
-    */
-    class ListView extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.computeDateVars = memoize(computeDateVars);
-            this.eventStoreToSegs = memoize(this._eventStoreToSegs);
-            this.state = {
-                timeHeaderId: getUniqueDomId(),
-                eventHeaderId: getUniqueDomId(),
-                dateHeaderIdRoot: getUniqueDomId(),
-            };
-            this.setRootEl = (rootEl) => {
-                if (rootEl) {
-                    this.context.registerInteractiveComponent(this, {
-                        el: rootEl,
-                    });
-                }
-                else {
-                    this.context.unregisterInteractiveComponent(this);
-                }
-            };
-        }
-        render() {
-            let { props, context } = this;
-            let { dayDates, dayRanges } = this.computeDateVars(props.dateProfile);
-            let eventSegs = this.eventStoreToSegs(props.eventStore, props.eventUiBases, dayRanges);
-            return (y(ViewContainer, { elRef: this.setRootEl, elClasses: [
-                    'fc-list',
-                    context.theme.getClass('table'),
-                    context.options.stickyHeaderDates !== false ?
-                        'fc-list-sticky' :
-                        '',
-                ], viewSpec: context.viewSpec },
-                y(Scroller, { liquid: !props.isHeightAuto, overflowX: props.isHeightAuto ? 'visible' : 'hidden', overflowY: props.isHeightAuto ? 'visible' : 'auto' }, eventSegs.length > 0 ?
-                    this.renderSegList(eventSegs, dayDates) :
-                    this.renderEmptyMessage())));
-        }
-        renderEmptyMessage() {
-            let { options, viewApi } = this.context;
-            let renderProps = {
-                text: options.noEventsText,
-                view: viewApi,
-            };
-            return (y(ContentContainer, { elTag: "div", elClasses: ['fc-list-empty'], renderProps: renderProps, generatorName: "noEventsContent", customGenerator: options.noEventsContent, defaultGenerator: renderNoEventsInner, classNameGenerator: options.noEventsClassNames, didMount: options.noEventsDidMount, willUnmount: options.noEventsWillUnmount }, (InnerContent) => (y(InnerContent, { elTag: "div", elClasses: ['fc-list-empty-cushion'] }))));
-        }
-        renderSegList(allSegs, dayDates) {
-            let { theme, options } = this.context;
-            let { timeHeaderId, eventHeaderId, dateHeaderIdRoot } = this.state;
-            let segsByDay = groupSegsByDay(allSegs); // sparse array
-            return (y(NowTimer, { unit: "day" }, (nowDate, todayRange) => {
-                let innerNodes = [];
-                for (let dayIndex = 0; dayIndex < segsByDay.length; dayIndex += 1) {
-                    let daySegs = segsByDay[dayIndex];
-                    if (daySegs) { // sparse array, so might be undefined
-                        let dayStr = formatDayString(dayDates[dayIndex]);
-                        let dateHeaderId = dateHeaderIdRoot + '-' + dayStr;
-                        // append a day header
-                        innerNodes.push(y(ListViewHeaderRow, { key: dayStr, cellId: dateHeaderId, dayDate: dayDates[dayIndex], todayRange: todayRange }));
-                        daySegs = sortEventSegs(daySegs, options.eventOrder);
-                        for (let seg of daySegs) {
-                            innerNodes.push(y(ListViewEventRow, Object.assign({ key: dayStr + ':' + seg.eventRange.instance.instanceId /* are multiple segs for an instanceId */, seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: false, timeHeaderId: timeHeaderId, eventHeaderId: eventHeaderId, dateHeaderId: dateHeaderId }, getSegMeta(seg, todayRange, nowDate))));
-                        }
-                    }
-                }
-                return (y("table", { className: 'fc-list-table ' + theme.getClass('table') },
-                    y("thead", null,
-                        y("tr", null,
-                            y("th", { scope: "col", id: timeHeaderId }, options.timeHint),
-                            y("th", { scope: "col", "aria-hidden": true }),
-                            y("th", { scope: "col", id: eventHeaderId }, options.eventHint))),
-                    y("tbody", null, innerNodes)));
-            }));
-        }
-        _eventStoreToSegs(eventStore, eventUiBases, dayRanges) {
-            return this.eventRangesToSegs(sliceEventStore(eventStore, eventUiBases, this.props.dateProfile.activeRange, this.context.options.nextDayThreshold).fg, dayRanges);
-        }
-        eventRangesToSegs(eventRanges, dayRanges) {
-            let segs = [];
-            for (let eventRange of eventRanges) {
-                segs.push(...this.eventRangeToSegs(eventRange, dayRanges));
-            }
-            return segs;
-        }
-        eventRangeToSegs(eventRange, dayRanges) {
-            let { dateEnv } = this.context;
-            let { nextDayThreshold } = this.context.options;
-            let range = eventRange.range;
-            let allDay = eventRange.def.allDay;
-            let dayIndex;
-            let segRange;
-            let seg;
-            let segs = [];
-            for (dayIndex = 0; dayIndex < dayRanges.length; dayIndex += 1) {
-                segRange = intersectRanges(range, dayRanges[dayIndex]);
-                if (segRange) {
-                    seg = {
-                        component: this,
-                        eventRange,
-                        start: segRange.start,
-                        end: segRange.end,
-                        isStart: eventRange.isStart && segRange.start.valueOf() === range.start.valueOf(),
-                        isEnd: eventRange.isEnd && segRange.end.valueOf() === range.end.valueOf(),
-                        dayIndex,
-                    };
-                    segs.push(seg);
-                    // detect when range won't go fully into the next day,
-                    // and mutate the latest seg to the be the end.
-                    if (!seg.isEnd && !allDay &&
-                        dayIndex + 1 < dayRanges.length &&
-                        range.end <
-                            dateEnv.add(dayRanges[dayIndex + 1].start, nextDayThreshold)) {
-                        seg.end = range.end;
-                        seg.isEnd = true;
-                        break;
-                    }
-                }
-            }
-            return segs;
-        }
-    }
-    function renderNoEventsInner(renderProps) {
-        return renderProps.text;
-    }
-    function computeDateVars(dateProfile) {
-        let dayStart = startOfDay(dateProfile.renderRange.start);
-        let viewEnd = dateProfile.renderRange.end;
-        let dayDates = [];
-        let dayRanges = [];
-        while (dayStart < viewEnd) {
-            dayDates.push(dayStart);
-            dayRanges.push({
-                start: dayStart,
-                end: addDays(dayStart, 1),
-            });
-            dayStart = addDays(dayStart, 1);
-        }
-        return { dayDates, dayRanges };
-    }
-    // Returns a sparse array of arrays, segs grouped by their dayIndex
-    function groupSegsByDay(segs) {
-        let segsByDay = []; // sparse array
-        let i;
-        let seg;
-        for (i = 0; i < segs.length; i += 1) {
-            seg = segs[i];
-            (segsByDay[seg.dayIndex] || (segsByDay[seg.dayIndex] = []))
-                .push(seg);
-        }
-        return segsByDay;
-    }
-
-    var css_248z$1 = ":root{--fc-list-event-dot-width:10px;--fc-list-event-hover-bg-color:#f5f5f5}.fc-theme-standard .fc-list{border:1px solid var(--fc-border-color)}.fc .fc-list-empty{align-items:center;background-color:var(--fc-neutral-bg-color);display:flex;height:100%;justify-content:center}.fc .fc-list-empty-cushion{margin:5em 0}.fc .fc-list-table{border-style:hidden;width:100%}.fc .fc-list-table tr>*{border-left:0;border-right:0}.fc .fc-list-sticky .fc-list-day>*{background:var(--fc-page-bg-color);position:sticky;top:0}.fc .fc-list-table thead{left:-10000px;position:absolute}.fc .fc-list-table tbody>tr:first-child th{border-top:0}.fc .fc-list-table th{padding:0}.fc .fc-list-day-cushion,.fc .fc-list-table td{padding:8px 14px}.fc .fc-list-day-cushion:after{clear:both;content:\"\";display:table}.fc-theme-standard .fc-list-day-cushion{background-color:var(--fc-neutral-bg-color)}.fc-direction-ltr .fc-list-day-text,.fc-direction-rtl .fc-list-day-side-text{float:left}.fc-direction-ltr .fc-list-day-side-text,.fc-direction-rtl .fc-list-day-text{float:right}.fc-direction-ltr .fc-list-table .fc-list-event-graphic{padding-right:0}.fc-direction-rtl .fc-list-table .fc-list-event-graphic{padding-left:0}.fc .fc-list-event.fc-event-forced-url{cursor:pointer}.fc .fc-list-event:hover td{background-color:var(--fc-list-event-hover-bg-color)}.fc .fc-list-event-graphic,.fc .fc-list-event-time{white-space:nowrap;width:1px}.fc .fc-list-event-dot{border:calc(var(--fc-list-event-dot-width)/2) solid var(--fc-event-border-color);border-radius:calc(var(--fc-list-event-dot-width)/2);box-sizing:content-box;display:inline-block;height:0;width:0}.fc .fc-list-event-title a{color:inherit;text-decoration:none}.fc .fc-list-event.fc-event-forced-url:hover a{text-decoration:underline}";
-    injectStyles(css_248z$1);
-
-    const OPTION_REFINERS$1 = {
-        listDayFormat: createFalsableFormatter,
-        listDaySideFormat: createFalsableFormatter,
-        noEventsClassNames: identity,
-        noEventsContent: identity,
-        noEventsDidMount: identity,
-        noEventsWillUnmount: identity,
-        // noEventsText is defined in base options
-    };
-    function createFalsableFormatter(input) {
-        return input === false ? null : createFormatter(input);
-    }
-
-    var index$1 = createPlugin({
-        name: '@fullcalendar/list',
-        optionRefiners: OPTION_REFINERS$1,
-        views: {
-            list: {
-                component: ListView,
-                buttonTextKey: 'list',
-                listDayFormat: { month: 'long', day: 'numeric', year: 'numeric' }, // like "January 1, 2016"
-            },
-            listDay: {
-                type: 'list',
-                duration: { days: 1 },
-                listDayFormat: { weekday: 'long' }, // day-of-week is all we need. full date is probably in headerToolbar
-            },
-            listWeek: {
-                type: 'list',
-                duration: { weeks: 1 },
-                listDayFormat: { weekday: 'long' },
-                listDaySideFormat: { month: 'long', day: 'numeric', year: 'numeric' },
-            },
-            listMonth: {
-                type: 'list',
-                duration: { month: 1 },
-                listDaySideFormat: { weekday: 'long' }, // day-of-week is nice-to-have
-            },
-            listYear: {
-                type: 'list',
-                duration: { year: 1 },
-                listDaySideFormat: { weekday: 'long' }, // day-of-week is nice-to-have
-            },
-        },
-    });
-
-    class SingleMonth extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.buildDayTableModel = memoize(buildDayTableModel);
-            this.slicer = new DayTableSlicer();
-            this.state = {
-                labelId: getUniqueDomId(),
-            };
-        }
-        render() {
-            const { props, state, context } = this;
-            const { dateProfile, forPrint } = props;
-            const { options } = context;
-            const dayTableModel = this.buildDayTableModel(dateProfile, context.dateProfileGenerator);
-            const slicedProps = this.slicer.sliceProps(props, dateProfile, options.nextDayThreshold, context, dayTableModel);
-            // ensure single-month has aspect ratio
-            const tableHeight = props.tableWidth != null ? props.tableWidth / options.aspectRatio : null;
-            const rowCnt = dayTableModel.cells.length;
-            const rowHeight = tableHeight != null ? tableHeight / rowCnt : null;
-            return (y("div", { ref: props.elRef, "data-date": props.isoDateStr, className: "fc-multimonth-month", style: { width: props.width }, role: "grid", "aria-labelledby": state.labelId },
-                y("div", { className: "fc-multimonth-header", style: { marginBottom: rowHeight }, role: "presentation" },
-                    y("div", { className: "fc-multimonth-title", id: state.labelId }, context.dateEnv.format(props.dateProfile.currentRange.start, props.titleFormat)),
-                    y("table", { className: [
-                            'fc-multimonth-header-table',
-                            context.theme.getClass('table'),
-                        ].join(' '), role: "presentation" },
-                        y("thead", { role: "rowgroup" },
-                            y(DayHeader, { dateProfile: props.dateProfile, dates: dayTableModel.headerDates, datesRepDistinctDays: false })))),
-                y("div", { className: [
-                        'fc-multimonth-daygrid',
-                        'fc-daygrid',
-                        'fc-daygrid-body',
-                        !forPrint && 'fc-daygrid-body-balanced',
-                        forPrint && 'fc-daygrid-body-unbalanced',
-                        forPrint && 'fc-daygrid-body-natural',
-                    ].join(' '), style: { marginTop: -rowHeight } },
-                    y("table", { className: [
-                            'fc-multimonth-daygrid-table',
-                            context.theme.getClass('table'),
-                        ].join(' '), style: { height: forPrint ? '' : tableHeight }, role: "presentation" },
-                        y("tbody", { role: "rowgroup" },
-                            y(TableRows, Object.assign({}, slicedProps, { dateProfile: dateProfile, cells: dayTableModel.cells, eventSelection: props.eventSelection, dayMaxEvents: !forPrint, dayMaxEventRows: !forPrint, showWeekNumbers: options.weekNumbers, clientWidth: props.clientWidth, clientHeight: props.clientHeight, forPrint: forPrint })))))));
-        }
-    }
-
-    class MultiMonthView extends DateComponent {
-        constructor() {
-            super(...arguments);
-            this.splitDateProfileByMonth = memoize(splitDateProfileByMonth);
-            this.buildMonthFormat = memoize(buildMonthFormat);
-            this.scrollElRef = d();
-            this.firstMonthElRef = d();
-            this.needsScrollReset = false;
-            this.handleSizing = (isForced) => {
-                if (isForced) {
-                    this.updateSize();
-                }
-            };
-        }
-        render() {
-            const { context, props, state } = this;
-            const { options } = context;
-            const { clientWidth, clientHeight } = state;
-            const monthHPadding = state.monthHPadding || 0;
-            const colCount = Math.min(clientWidth != null ?
-                Math.floor(clientWidth / (options.multiMonthMinWidth + monthHPadding)) :
-                1, options.multiMonthMaxColumns) || 1;
-            const monthWidthPct = (100 / colCount) + '%';
-            const monthTableWidth = clientWidth == null ? null :
-                (clientWidth / colCount) - monthHPadding;
-            const isLegitSingleCol = clientWidth != null && colCount === 1;
-            const monthDateProfiles = this.splitDateProfileByMonth(context.dateProfileGenerator, props.dateProfile, context.dateEnv, isLegitSingleCol ? false : options.fixedWeekCount, options.showNonCurrentDates);
-            const monthTitleFormat = this.buildMonthFormat(options.multiMonthTitleFormat, monthDateProfiles);
-            const rootClassNames = [
-                'fc-multimonth',
-                isLegitSingleCol ?
-                    'fc-multimonth-singlecol' :
-                    'fc-multimonth-multicol',
-                (monthTableWidth != null && monthTableWidth < 400) ?
-                    'fc-multimonth-compact' :
-                    '',
-                props.isHeightAuto ?
-                    '' :
-                    'fc-scroller', // for AutoScroller
-            ];
-            return (y(ViewContainer, { elRef: this.scrollElRef, elClasses: rootClassNames, viewSpec: context.viewSpec }, monthDateProfiles.map((monthDateProfile, i) => {
-                const monthStr = formatIsoMonthStr(monthDateProfile.currentRange.start);
-                return (y(SingleMonth, Object.assign({}, props, { key: monthStr, isoDateStr: monthStr, elRef: i === 0 ? this.firstMonthElRef : undefined, titleFormat: monthTitleFormat, dateProfile: monthDateProfile, width: monthWidthPct, tableWidth: monthTableWidth, clientWidth: clientWidth, clientHeight: clientHeight })));
-            })));
-        }
-        componentDidMount() {
-            this.updateSize();
-            this.context.addResizeHandler(this.handleSizing);
-            this.requestScrollReset();
-        }
-        componentDidUpdate(prevProps) {
-            if (!isPropsEqual(prevProps, this.props)) { // an external change?
-                this.handleSizing(false);
-            }
-            if (prevProps.dateProfile !== this.props.dateProfile) {
-                this.requestScrollReset();
-            }
-            else {
-                this.flushScrollReset();
-            }
-        }
-        componentWillUnmount() {
-            this.context.removeResizeHandler(this.handleSizing);
-        }
-        updateSize() {
-            const scrollEl = this.scrollElRef.current;
-            const firstMonthEl = this.firstMonthElRef.current;
-            if (scrollEl) {
-                this.setState({
-                    clientWidth: scrollEl.clientWidth,
-                    clientHeight: scrollEl.clientHeight,
-                });
-            }
-            if (firstMonthEl && scrollEl) {
-                if (this.state.monthHPadding == null) { // always remember initial non-zero value
-                    this.setState({
-                        monthHPadding: scrollEl.clientWidth - // go within padding
-                            firstMonthEl.firstChild.offsetWidth,
-                    });
-                }
-            }
-        }
-        requestScrollReset() {
-            this.needsScrollReset = true;
-            this.flushScrollReset();
-        }
-        flushScrollReset() {
-            if (this.needsScrollReset &&
-                this.state.monthHPadding != null // indicates sizing already happened
-            ) {
-                const { currentDate } = this.props.dateProfile;
-                const scrollEl = this.scrollElRef.current;
-                const monthEl = scrollEl.querySelector(`[data-date="${formatIsoMonthStr(currentDate)}"]`);
-                scrollEl.scrollTop = monthEl.getBoundingClientRect().top -
-                    this.firstMonthElRef.current.getBoundingClientRect().top;
-                this.needsScrollReset = false;
-            }
-        }
-        // workaround for when queued setState render (w/ clientWidth) gets cancelled because
-        // subsequent update and shouldComponentUpdate says not to render :(
-        shouldComponentUpdate() {
-            return true;
-        }
-    }
-    // date profile
-    // -------------------------------------------------------------------------------------------------
-    const oneMonthDuration = createDuration(1, 'month');
-    function splitDateProfileByMonth(dateProfileGenerator, dateProfile, dateEnv, fixedWeekCount, showNonCurrentDates) {
-        const { start, end } = dateProfile.currentRange;
-        let monthStart = start;
-        const monthDateProfiles = [];
-        while (monthStart.valueOf() < end.valueOf()) {
-            const monthEnd = dateEnv.add(monthStart, oneMonthDuration);
-            const currentRange = {
-                // yuck
-                start: dateProfileGenerator.skipHiddenDays(monthStart),
-                end: dateProfileGenerator.skipHiddenDays(monthEnd, -1, true),
-            };
-            let renderRange = buildDayTableRenderRange({
-                currentRange,
-                snapToWeek: true,
-                fixedWeekCount,
-                dateEnv,
-            });
-            renderRange = {
-                // yuck
-                start: dateProfileGenerator.skipHiddenDays(renderRange.start),
-                end: dateProfileGenerator.skipHiddenDays(renderRange.end, -1, true),
-            };
-            const activeRange = dateProfile.activeRange ?
-                intersectRanges(dateProfile.activeRange, showNonCurrentDates ? renderRange : currentRange) :
-                null;
-            monthDateProfiles.push({
-                currentDate: dateProfile.currentDate,
-                isValid: dateProfile.isValid,
-                validRange: dateProfile.validRange,
-                renderRange,
-                activeRange,
-                currentRange,
-                currentRangeUnit: 'month',
-                isRangeAllDay: true,
-                dateIncrement: dateProfile.dateIncrement,
-                slotMinTime: dateProfile.slotMaxTime,
-                slotMaxTime: dateProfile.slotMinTime,
-            });
-            monthStart = monthEnd;
-        }
-        return monthDateProfiles;
-    }
-    // date formatting
-    // -------------------------------------------------------------------------------------------------
-    const YEAR_MONTH_FORMATTER = createFormatter({ year: 'numeric', month: 'long' });
-    const YEAR_FORMATTER = createFormatter({ month: 'long' });
-    function buildMonthFormat(formatOverride, monthDateProfiles) {
-        return formatOverride ||
-            ((monthDateProfiles[0].currentRange.start.getUTCFullYear() !==
-                monthDateProfiles[monthDateProfiles.length - 1].currentRange.start.getUTCFullYear())
-                ? YEAR_MONTH_FORMATTER
-                : YEAR_FORMATTER);
-    }
-
-    const OPTION_REFINERS = {
-        multiMonthTitleFormat: createFormatter,
-        multiMonthMaxColumns: Number,
-        multiMonthMinWidth: Number,
-    };
-
-    var css_248z = ".fc .fc-multimonth{border:1px solid var(--fc-border-color);display:flex;flex-wrap:wrap;overflow-x:hidden;overflow-y:auto}.fc .fc-multimonth-title{font-size:1.2em;font-weight:700;padding:1em 0;text-align:center}.fc .fc-multimonth-daygrid{background:var(--fc-page-bg-color)}.fc .fc-multimonth-daygrid-table,.fc .fc-multimonth-header-table{table-layout:fixed;width:100%}.fc .fc-multimonth-daygrid-table{border-top-style:hidden!important}.fc .fc-multimonth-singlecol .fc-multimonth{position:relative}.fc .fc-multimonth-singlecol .fc-multimonth-header{background:var(--fc-page-bg-color);position:relative;top:0;z-index:2}.fc .fc-multimonth-singlecol .fc-multimonth-daygrid{position:relative;z-index:1}.fc .fc-multimonth-singlecol .fc-multimonth-daygrid-table,.fc .fc-multimonth-singlecol .fc-multimonth-header-table{border-left-style:hidden;border-right-style:hidden}.fc .fc-multimonth-singlecol .fc-multimonth-month:last-child .fc-multimonth-daygrid-table{border-bottom-style:hidden}.fc .fc-multimonth-multicol{line-height:1}.fc .fc-multimonth-multicol .fc-multimonth-month{padding:0 1.2em 1.2em}.fc .fc-multimonth-multicol .fc-daygrid-more-link{border:1px solid var(--fc-event-border-color);display:block;float:none;padding:1px}.fc .fc-multimonth-compact{line-height:1}.fc .fc-multimonth-compact .fc-multimonth-daygrid-table,.fc .fc-multimonth-compact .fc-multimonth-header-table{font-size:.9em}.fc-media-screen .fc-multimonth-singlecol .fc-multimonth-header{position:sticky}.fc-media-print .fc-multimonth{overflow:visible}";
-    injectStyles(css_248z);
-
-    var index = createPlugin({
-        name: '@fullcalendar/multimonth',
-        initialView: 'multiMonthYear',
-        optionRefiners: OPTION_REFINERS,
-        views: {
-            multiMonth: {
-                component: MultiMonthView,
-                dateProfileGeneratorClass: TableDateProfileGenerator,
-                multiMonthMinWidth: 350,
-                multiMonthMaxColumns: 3,
-            },
-            multiMonthYear: {
-                type: 'multiMonth',
-                duration: { years: 1 },
-                fixedWeekCount: true,
-                showNonCurrentDates: false,
-            },
-        },
-    });
-
-    globalPlugins.push(index$4, index$3, index$2, index$1, index);
-
-    exports.Calendar = Calendar;
-    exports.Draggable = ExternalDraggable;
-    exports.Internal = internal;
-    exports.JsonRequestError = JsonRequestError;
-    exports.Preact = preact;
-    exports.ThirdPartyDraggable = ThirdPartyDraggable;
-    exports.createPlugin = createPlugin;
-    exports.formatDate = formatDate;
-    exports.formatRange = formatRange;
-    exports.globalLocales = globalLocales;
-    exports.globalPlugins = globalPlugins;
-    exports.sliceEvents = sliceEvents;
-    exports.version = version;
-
-    Object.defineProperty(exports, '__esModule', { value: true });
-
-    return exports;
-
-})({});