main.js

            };
            return { def: def, instance: null };
        }
        var singleRes = parseSingle(refined, defaultAllDay, context, allowOpenRange);
        if (singleRes) {
            var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', singleRes.allDay, singleRes.hasEnd, context);
            var instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo);
            return { def: def, instance: instance };
        }
        return null;
    }
    function refineEventDef(raw, context, refiners) {
        if (refiners === void 0) { refiners = buildEventRefiners(context); }
        return refineProps(raw, refiners);
    }
    function buildEventRefiners(context) {
        return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_REFINERS), context.pluginHooks.eventRefiners);
    }
    /*
    Will NOT populate extendedProps with the leftover properties.
    Will NOT populate date-related props.
    */
    function parseEventDef(refined, extra, sourceId, allDay, hasEnd, context) {
        var def = {
            title: refined.title || '',
            groupId: refined.groupId || '',
            publicId: refined.id || '',
            url: refined.url || '',
            recurringDef: null,
            defId: guid(),
            sourceId: sourceId,
            allDay: allDay,
            hasEnd: hasEnd,
            ui: createEventUi(refined, context),
            extendedProps: __assign(__assign({}, (refined.extendedProps || {})), extra),
        };
        for (var _i = 0, _a = context.pluginHooks.eventDefMemberAdders; _i < _a.length; _i++) {
            var memberAdder = _a[_i];
            __assign(def, memberAdder(refined));
        }
        // help out EventApi from having user modify props
        Object.freeze(def.ui.classNames);
        Object.freeze(def.extendedProps);
        return def;
    }
    function parseSingle(refined, defaultAllDay, context, allowOpenRange) {
        var allDay = refined.allDay;
        var startMeta;
        var startMarker = null;
        var hasEnd = false;
        var endMeta;
        var endMarker = null;
        var startInput = refined.start != null ? refined.start : refined.date;
        startMeta = context.dateEnv.createMarkerMeta(startInput);
        if (startMeta) {
            startMarker = startMeta.marker;
        }
        else if (!allowOpenRange) {
            return null;
        }
        if (refined.end != null) {
            endMeta = context.dateEnv.createMarkerMeta(refined.end);
        }
        if (allDay == null) {
            if (defaultAllDay != null) {
                allDay = defaultAllDay;
            }
            else {
                // fall back to the date props LAST
                allDay = (!startMeta || startMeta.isTimeUnspecified) &&
                    (!endMeta || endMeta.isTimeUnspecified);
            }
        }
        if (allDay && startMarker) {
            startMarker = startOfDay(startMarker);
        }
        if (endMeta) {
            endMarker = endMeta.marker;
            if (allDay) {
                endMarker = startOfDay(endMarker);
            }
            if (startMarker && endMarker <= startMarker) {
                endMarker = null;
            }
        }
        if (endMarker) {
            hasEnd = true;
        }
        else if (!allowOpenRange) {
            hasEnd = context.options.forceEventDuration || false;
            endMarker = context.dateEnv.add(startMarker, allDay ?
                context.options.defaultAllDayEventDuration :
                context.options.defaultTimedEventDuration);
        }
        return {
            allDay: allDay,
            hasEnd: hasEnd,
            range: { start: startMarker, end: endMarker },
            forcedStartTzo: startMeta ? startMeta.forcedTzo : null,
            forcedEndTzo: endMeta ? endMeta.forcedTzo : null,
        };
    }
    function computeIsDefaultAllDay(eventSource, context) {
        var res = null;
        if (eventSource) {
            res = eventSource.defaultAllDay;
        }
        if (res == null) {
            res = context.options.defaultAllDay;
        }
        return res;
    }

    /* Date stuff that doesn't belong in datelib core
    ----------------------------------------------------------------------------------------------------------------------*/
    // given a timed range, computes an all-day range that has the same exact duration,
    // but whose start time is aligned with the start of the day.
    function computeAlignedDayRange(timedRange) {
        var dayCnt = Math.floor(diffDays(timedRange.start, timedRange.end)) || 1;
        var start = startOfDay(timedRange.start);
        var end = addDays(start, dayCnt);
        return { start: start, end: end };
    }
    // given a timed range, computes an all-day range based on how for the end date bleeds into the next day
    // TODO: give nextDayThreshold a default arg
    function computeVisibleDayRange(timedRange, nextDayThreshold) {
        if (nextDayThreshold === void 0) { nextDayThreshold = createDuration(0); }
        var startDay = null;
        var endDay = null;
        if (timedRange.end) {
            endDay = startOfDay(timedRange.end);
            var endTimeMS = timedRange.end.valueOf() - endDay.valueOf(); // # of milliseconds into `endDay`
            // If the end time is actually inclusively part of the next day and is equal to or
            // beyond the next day threshold, adjust the end to be the exclusive end of `endDay`.
            // Otherwise, leaving it as inclusive will cause it to exclude `endDay`.
            if (endTimeMS && endTimeMS >= asRoughMs(nextDayThreshold)) {
                endDay = addDays(endDay, 1);
            }
        }
        if (timedRange.start) {
            startDay = startOfDay(timedRange.start); // the beginning of the day the range starts
            // If end is within `startDay` but not past nextDayThreshold, assign the default duration of one day.
            if (endDay && endDay <= startDay) {
                endDay = addDays(startDay, 1);
            }
        }
        return { start: startDay, end: endDay };
    }
    // spans from one day into another?
    function isMultiDayRange(range) {
        var visibleRange = computeVisibleDayRange(range);
        return diffDays(visibleRange.start, visibleRange.end) > 1;
    }
    function diffDates(date0, date1, dateEnv, largeUnit) {
        if (largeUnit === 'year') {
            return createDuration(dateEnv.diffWholeYears(date0, date1), 'year');
        }
        if (largeUnit === 'month') {
            return createDuration(dateEnv.diffWholeMonths(date0, date1), 'month');
        }
        return diffDayAndTime(date0, date1); // returns a duration
    }

    function parseRange(input, dateEnv) {
        var start = null;
        var end = null;
        if (input.start) {
            start = dateEnv.createMarker(input.start);
        }
        if (input.end) {
            end = dateEnv.createMarker(input.end);
        }
        if (!start && !end) {
            return null;
        }
        if (start && end && end < start) {
            return null;
        }
        return { start: start, end: end };
    }
    // SIDE-EFFECT: will mutate ranges.
    // Will return a new array result.
    function invertRanges(ranges, constraintRange) {
        var invertedRanges = [];
        var start = constraintRange.start; // the end of the previous range. the start of the new range
        var i;
        var dateRange;
        // ranges need to be in order. required for our date-walking algorithm
        ranges.sort(compareRanges);
        for (i = 0; i < ranges.length; i += 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: start, end: dateRange.start });
            }
            if (dateRange.end > start) {
                start = dateRange.end;
            }
        }
        // add the span of time after the last event (if there is any)
        if (start < constraintRange.end) { // compare millisecond time (skip any ambig logic)
            invertedRanges.push({ start: start, end: constraintRange.end });
        }
        return invertedRanges;
    }
    function compareRanges(range0, range1) {
        return range0.start.valueOf() - range1.start.valueOf(); // earlier ranges go first
    }
    function intersectRanges(range0, range1) {
        var start = range0.start, end = range0.end;
        var newRange = null;
        if (range1.start !== null) {
            if (start === null) {
                start = range1.start;
            }
            else {
                start = new Date(Math.max(start.valueOf(), range1.start.valueOf()));
            }
        }
        if (range1.end != null) {
            if (end === null) {
                end = range1.end;
            }
            else {
                end = new Date(Math.min(end.valueOf(), range1.end.valueOf()));
            }
        }
        if (start === null || end === null || start < end) {
            newRange = { start: start, end: end };
        }
        return newRange;
    }
    function rangesEqual(range0, range1) {
        return (range0.start === null ? null : range0.start.valueOf()) === (range1.start === null ? null : range1.start.valueOf()) &&
            (range0.end === null ? null : range0.end.valueOf()) === (range1.end === null ? null : range1.end.valueOf());
    }
    function rangesIntersect(range0, range1) {
        return (range0.end === null || range1.start === null || range0.end > range1.start) &&
            (range0.start === null || range1.end === null || range0.start < range1.end);
    }
    function rangeContainsRange(outerRange, innerRange) {
        return (outerRange.start === null || (innerRange.start !== null && innerRange.start >= outerRange.start)) &&
            (outerRange.end === null || (innerRange.end !== null && innerRange.end <= outerRange.end));
    }
    function rangeContainsMarker(range, date) {
        return (range.start === null || date >= range.start) &&
            (range.end === null || date < range.end);
    }
    // If the given date is not within the given range, move it inside.
    // (If it's past the end, make it one millisecond before the end).
    function constrainMarkerToRange(date, range) {
        if (range.start != null && date < range.start) {
            return range.start;
        }
        if (range.end != null && date >= range.end) {
            return new Date(range.end.valueOf() - 1);
        }
        return date;
    }

    /*
    Specifying nextDayThreshold signals that all-day ranges should be sliced.
    */
    function sliceEventStore(eventStore, eventUiBases, framingRange, nextDayThreshold) {
        var inverseBgByGroupId = {};
        var inverseBgByDefId = {};
        var defByGroupId = {};
        var bgRanges = [];
        var fgRanges = [];
        var eventUis = compileEventUis(eventStore.defs, eventUiBases);
        for (var defId in eventStore.defs) {
            var def = eventStore.defs[defId];
            var ui = eventUis[def.defId];
            if (ui.display === 'inverse-background') {
                if (def.groupId) {
                    inverseBgByGroupId[def.groupId] = [];
                    if (!defByGroupId[def.groupId]) {
                        defByGroupId[def.groupId] = def;
                    }
                }
                else {
                    inverseBgByDefId[defId] = [];
                }
            }
        }
        for (var instanceId in eventStore.instances) {
            var instance = eventStore.instances[instanceId];
            var def = eventStore.defs[instance.defId];
            var ui = eventUis[def.defId];
            var origRange = instance.range;
            var normalRange = (!def.allDay && nextDayThreshold) ?
                computeVisibleDayRange(origRange, nextDayThreshold) :
                origRange;
            var slicedRange = intersectRanges(normalRange, framingRange);
            if (slicedRange) {
                if (ui.display === 'inverse-background') {
                    if (def.groupId) {
                        inverseBgByGroupId[def.groupId].push(slicedRange);
                    }
                    else {
                        inverseBgByDefId[instance.defId].push(slicedRange);
                    }
                }
                else if (ui.display !== 'none') {
                    (ui.display === 'background' ? bgRanges : fgRanges).push({
                        def: def,
                        ui: ui,
                        instance: instance,
                        range: slicedRange,
                        isStart: normalRange.start && normalRange.start.valueOf() === slicedRange.start.valueOf(),
                        isEnd: normalRange.end && normalRange.end.valueOf() === slicedRange.end.valueOf(),
                    });
                }
            }
        }
        for (var groupId in inverseBgByGroupId) { // BY GROUP
            var ranges = inverseBgByGroupId[groupId];
            var invertedRanges = invertRanges(ranges, framingRange);
            for (var _i = 0, invertedRanges_1 = invertedRanges; _i < invertedRanges_1.length; _i++) {
                var invertedRange = invertedRanges_1[_i];
                var def = defByGroupId[groupId];
                var ui = eventUis[def.defId];
                bgRanges.push({
                    def: def,
                    ui: ui,
                    instance: null,
                    range: invertedRange,
                    isStart: false,
                    isEnd: false,
                });
            }
        }
        for (var defId in inverseBgByDefId) {
            var ranges = inverseBgByDefId[defId];
            var invertedRanges = invertRanges(ranges, framingRange);
            for (var _a = 0, invertedRanges_2 = invertedRanges; _a < invertedRanges_2.length; _a++) {
                var invertedRange = invertedRanges_2[_a];
                bgRanges.push({
                    def: eventStore.defs[defId],
                    ui: eventUis[defId],
                    instance: null,
                    range: invertedRange,
                    isStart: false,
                    isEnd: false,
                });
            }
        }
        return { bg: bgRanges, fg: fgRanges };
    }
    function hasBgRendering(def) {
        return def.ui.display === 'background' || def.ui.display === 'inverse-background';
    }
    function setElSeg(el, seg) {
        el.fcSeg = seg;
    }
    function getElSeg(el) {
        return el.fcSeg ||
            el.parentNode.fcSeg || // for the harness
            null;
    }
    // event ui computation
    function compileEventUis(eventDefs, eventUiBases) {
        return mapHash(eventDefs, function (eventDef) { return compileEventUi(eventDef, eventUiBases); });
    }
    function compileEventUi(eventDef, eventUiBases) {
        var uis = [];
        if (eventUiBases['']) {
            uis.push(eventUiBases['']);
        }
        if (eventUiBases[eventDef.defId]) {
            uis.push(eventUiBases[eventDef.defId]);
        }
        uis.push(eventDef.ui);
        return combineEventUis(uis);
    }
    function sortEventSegs(segs, eventOrderSpecs) {
        var objs = segs.map(buildSegCompareObj);
        objs.sort(function (obj0, obj1) { return compareByFieldSpecs(obj0, obj1, eventOrderSpecs); });
        return objs.map(function (c) { return c._seg; });
    }
    // returns a object with all primitive props that can be compared
    function buildSegCompareObj(seg) {
        var eventRange = seg.eventRange;
        var eventDef = eventRange.def;
        var range = eventRange.instance ? eventRange.instance.range : eventRange.range;
        var start = range.start ? range.start.valueOf() : 0; // TODO: better support for open-range events
        var end = range.end ? range.end.valueOf() : 0; // "
        return __assign(__assign(__assign({}, eventDef.extendedProps), eventDef), { id: eventDef.publicId, start: start,
            end: end, duration: end - start, allDay: Number(eventDef.allDay), _seg: seg });
    }
    function computeSegDraggable(seg, context) {
        var pluginHooks = context.pluginHooks;
        var transformers = pluginHooks.isDraggableTransformers;
        var _a = seg.eventRange, def = _a.def, ui = _a.ui;
        var val = ui.startEditable;
        for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) {
            var transformer = transformers_1[_i];
            val = transformer(val, def, ui, context);
        }
        return val;
    }
    function computeSegStartResizable(seg, context) {
        return seg.isStart && seg.eventRange.ui.durationEditable && context.options.eventResizableFromStart;
    }
    function computeSegEndResizable(seg, context) {
        return seg.isEnd && seg.eventRange.ui.durationEditable;
    }
    function buildSegTimeText(seg, timeFormat, context, defaultDisplayEventTime, // defaults to true
    defaultDisplayEventEnd, // defaults to true
    startOverride, endOverride) {
        var dateEnv = context.dateEnv, options = context.options;
        var displayEventTime = options.displayEventTime, displayEventEnd = options.displayEventEnd;
        var eventDef = seg.eventRange.def;
        var eventInstance = seg.eventRange.instance;
        if (displayEventTime == null) {
            displayEventTime = defaultDisplayEventTime !== false;
        }
        if (displayEventEnd == null) {
            displayEventEnd = defaultDisplayEventEnd !== false;
        }
        if (displayEventTime && !eventDef.allDay && (seg.isStart || seg.isEnd)) {
            var segStart = startOverride || (seg.isStart ? eventInstance.range.start : (seg.start || seg.eventRange.range.start));
            var segEnd = endOverride || (seg.isEnd ? eventInstance.range.end : (seg.end || seg.eventRange.range.end));
            if (displayEventEnd && eventDef.hasEnd) {
                return dateEnv.formatRange(segStart, segEnd, timeFormat, {
                    forcedStartTzo: startOverride ? null : eventInstance.forcedStartTzo,
                    forcedEndTzo: endOverride ? null : eventInstance.forcedEndTzo,
                });
            }
            return dateEnv.format(segStart, timeFormat, {
                forcedTzo: startOverride ? null : eventInstance.forcedStartTzo,
            });
        }
        return '';
    }
    function getSegMeta(seg, todayRange, nowDate) {
        var segRange = seg.eventRange.range;
        return {
            isPast: segRange.end < (nowDate || todayRange.start),
            isFuture: segRange.start >= (nowDate || todayRange.end),
            isToday: todayRange && rangeContainsMarker(todayRange, segRange.start),
        };
    }
    function getEventClassNames(props) {
        var classNames = ['fc-event'];
        if (props.isMirror) {
            classNames.push('fc-event-mirror');
        }
        if (props.isDraggable) {
            classNames.push('fc-event-draggable');
        }
        if (props.isStartResizable || props.isEndResizable) {
            classNames.push('fc-event-resizable');
        }
        if (props.isDragging) {
            classNames.push('fc-event-dragging');
        }
        if (props.isResizing) {
            classNames.push('fc-event-resizing');
        }
        if (props.isSelected) {
            classNames.push('fc-event-selected');
        }
        if (props.isStart) {
            classNames.push('fc-event-start');
        }
        if (props.isEnd) {
            classNames.push('fc-event-end');
        }
        if (props.isPast) {
            classNames.push('fc-event-past');
        }
        if (props.isToday) {
            classNames.push('fc-event-today');
        }
        if (props.isFuture) {
            classNames.push('fc-event-future');
        }
        return classNames;
    }
    function buildEventRangeKey(eventRange) {
        return eventRange.instance
            ? eventRange.instance.instanceId
            : eventRange.def.defId + ":" + eventRange.range.start.toISOString();
        // inverse-background events don't have specific instances. TODO: better solution
    }

    var STANDARD_PROPS = {
        start: identity,
        end: identity,
        allDay: Boolean,
    };
    function parseDateSpan(raw, dateEnv, defaultDuration) {
        var span = parseOpenDateSpan(raw, dateEnv);
        var range = span.range;
        if (!range.start) {
            return null;
        }
        if (!range.end) {
            if (defaultDuration == null) {
                return null;
            }
            range.end = dateEnv.add(range.start, defaultDuration);
        }
        return span;
    }
    /*
    TODO: somehow combine with parseRange?
    Will return null if the start/end props were present but parsed invalidly.
    */
    function parseOpenDateSpan(raw, dateEnv) {
        var _a = refineProps(raw, STANDARD_PROPS), standardProps = _a.refined, extra = _a.extra;
        var startMeta = standardProps.start ? dateEnv.createMarkerMeta(standardProps.start) : null;
        var endMeta = standardProps.end ? dateEnv.createMarkerMeta(standardProps.end) : null;
        var allDay = standardProps.allDay;
        if (allDay == null) {
            allDay = (startMeta && startMeta.isTimeUnspecified) &&
                (!endMeta || endMeta.isTimeUnspecified);
        }
        return __assign({ range: {
                start: startMeta ? startMeta.marker : null,
                end: endMeta ? endMeta.marker : null,
            }, allDay: allDay }, extra);
    }
    function isDateSpansEqual(span0, span1) {
        return rangesEqual(span0.range, span1.range) &&
            span0.allDay === span1.allDay &&
            isSpanPropsEqual(span0, span1);
    }
    // the NON-DATE-RELATED props
    function isSpanPropsEqual(span0, span1) {
        for (var propName in span1) {
            if (propName !== 'range' && propName !== 'allDay') {
                if (span0[propName] !== span1[propName]) {
                    return false;
                }
            }
        }
        // are there any props that span0 has that span1 DOESN'T have?
        // both have range/allDay, so no need to special-case.
        for (var propName in span0) {
            if (!(propName in span1)) {
                return false;
            }
        }
        return true;
    }
    function buildDateSpanApi(span, dateEnv) {
        return __assign(__assign({}, buildRangeApi(span.range, dateEnv, span.allDay)), { allDay: span.allDay });
    }
    function buildRangeApiWithTimeZone(range, dateEnv, omitTime) {
        return __assign(__assign({}, buildRangeApi(range, dateEnv, omitTime)), { timeZone: dateEnv.timeZone });
    }
    function buildRangeApi(range, dateEnv, omitTime) {
        return {
            start: dateEnv.toDate(range.start),
            end: dateEnv.toDate(range.end),
            startStr: dateEnv.formatIso(range.start, { omitTime: omitTime }),
            endStr: dateEnv.formatIso(range.end, { omitTime: omitTime }),
        };
    }
    function fabricateEventRange(dateSpan, eventUiBases, context) {
        var res = refineEventDef({ editable: false }, context);
        var def = parseEventDef(res.refined, res.extra, '', // sourceId
        dateSpan.allDay, true, // hasEnd
        context);
        return {
            def: def,
            ui: compileEventUi(def, eventUiBases),
            instance: createEventInstance(def.defId, dateSpan.range),
            range: dateSpan.range,
            isStart: true,
            isEnd: true,
        };
    }

    function triggerDateSelect(selection, pev, context) {
        context.emitter.trigger('select', __assign(__assign({}, buildDateSpanApiWithContext(selection, context)), { jsEvent: pev ? pev.origEvent : null, view: context.viewApi || context.calendarApi.view }));
    }
    function triggerDateUnselect(pev, context) {
        context.emitter.trigger('unselect', {
            jsEvent: pev ? pev.origEvent : null,
            view: context.viewApi || context.calendarApi.view,
        });
    }
    function buildDateSpanApiWithContext(dateSpan, context) {
        var props = {};
        for (var _i = 0, _a = context.pluginHooks.dateSpanTransforms; _i < _a.length; _i++) {
            var transform = _a[_i];
            __assign(props, transform(dateSpan, context));
        }
        __assign(props, buildDateSpanApi(dateSpan, context.dateEnv));
        return props;
    }
    // Given an event's allDay status and start date, return what its fallback end date should be.
    // TODO: rename to computeDefaultEventEnd
    function getDefaultEventEnd(allDay, marker, context) {
        var dateEnv = context.dateEnv, options = context.options;
        var end = marker;
        if (allDay) {
            end = startOfDay(end);
            end = dateEnv.add(end, options.defaultAllDayEventDuration);
        }
        else {
            end = dateEnv.add(end, options.defaultTimedEventDuration);
        }
        return end;
    }

    // applies the mutation to ALL defs/instances within the event store
    function applyMutationToEventStore(eventStore, eventConfigBase, mutation, context) {
        var eventConfigs = compileEventUis(eventStore.defs, eventConfigBase);
        var dest = createEmptyEventStore();
        for (var defId in eventStore.defs) {
            var def = eventStore.defs[defId];
            dest.defs[defId] = applyMutationToEventDef(def, eventConfigs[defId], mutation, context);
        }
        for (var instanceId in eventStore.instances) {
            var instance = eventStore.instances[instanceId];
            var def = dest.defs[instance.defId]; // important to grab the newly modified def
            dest.instances[instanceId] = applyMutationToEventInstance(instance, def, eventConfigs[instance.defId], mutation, context);
        }
        return dest;
    }
    function applyMutationToEventDef(eventDef, eventConfig, mutation, context) {
        var standardProps = mutation.standardProps || {};
        // if hasEnd has not been specified, guess a good value based on deltas.
        // if duration will change, there's no way the default duration will persist,
        // and thus, we need to mark the event as having a real end
        if (standardProps.hasEnd == null &&
            eventConfig.durationEditable &&
            (mutation.startDelta || mutation.endDelta)) {
            standardProps.hasEnd = true; // TODO: is this mutation okay?
        }
        var copy = __assign(__assign(__assign({}, eventDef), standardProps), { ui: __assign(__assign({}, eventDef.ui), standardProps.ui) });
        if (mutation.extendedProps) {
            copy.extendedProps = __assign(__assign({}, copy.extendedProps), mutation.extendedProps);
        }
        for (var _i = 0, _a = context.pluginHooks.eventDefMutationAppliers; _i < _a.length; _i++) {
            var applier = _a[_i];
            applier(copy, mutation, context);
        }
        if (!copy.hasEnd && context.options.forceEventDuration) {
            copy.hasEnd = true;
        }
        return copy;
    }
    function applyMutationToEventInstance(eventInstance, eventDef, // must first be modified by applyMutationToEventDef
    eventConfig, mutation, context) {
        var dateEnv = context.dateEnv;
        var forceAllDay = mutation.standardProps && mutation.standardProps.allDay === true;
        var clearEnd = mutation.standardProps && mutation.standardProps.hasEnd === false;
        var copy = __assign({}, eventInstance);
        if (forceAllDay) {
            copy.range = computeAlignedDayRange(copy.range);
        }
        if (mutation.datesDelta && eventConfig.startEditable) {
            copy.range = {
                start: dateEnv.add(copy.range.start, mutation.datesDelta),
                end: dateEnv.add(copy.range.end, mutation.datesDelta),
            };
        }
        if (mutation.startDelta && eventConfig.durationEditable) {
            copy.range = {
                start: dateEnv.add(copy.range.start, mutation.startDelta),
                end: copy.range.end,
            };
        }
        if (mutation.endDelta && eventConfig.durationEditable) {
            copy.range = {
                start: copy.range.start,
                end: dateEnv.add(copy.range.end, mutation.endDelta),
            };
        }
        if (clearEnd) {
            copy.range = {
                start: copy.range.start,
                end: getDefaultEventEnd(eventDef.allDay, copy.range.start, context),
            };
        }
        // in case event was all-day but the supplied deltas were not
        // better util for this?
        if (eventDef.allDay) {
            copy.range = {
                start: startOfDay(copy.range.start),
                end: startOfDay(copy.range.end),
            };
        }
        // handle invalid durations
        if (copy.range.end < copy.range.start) {
            copy.range.end = getDefaultEventEnd(eventDef.allDay, copy.range.start, context);
        }
        return copy;
    }

    // no public types yet. when there are, export from:
    // import {} from './api-type-deps'
    var ViewApi = /** @class */ (function () {
        function ViewApi(type, getCurrentData, dateEnv) {
            this.type = type;
            this.getCurrentData = getCurrentData;
            this.dateEnv = dateEnv;
        }
        Object.defineProperty(ViewApi.prototype, "calendar", {
            get: function () {
                return this.getCurrentData().calendarApi;
            },
            enumerable: false,
            configurable: true
        });
        Object.defineProperty(ViewApi.prototype, "title", {
            get: function () {
                return this.getCurrentData().viewTitle;
            },
            enumerable: false,
            configurable: true
        });
        Object.defineProperty(ViewApi.prototype, "activeStart", {
            get: function () {
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.start);
            },
            enumerable: false,
            configurable: true
        });
        Object.defineProperty(ViewApi.prototype, "activeEnd", {
            get: function () {
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.end);
            },
            enumerable: false,
            configurable: true
        });
        Object.defineProperty(ViewApi.prototype, "currentStart", {
            get: function () {
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.start);
            },
            enumerable: false,
            configurable: true
        });
        Object.defineProperty(ViewApi.prototype, "currentEnd", {
            get: function () {
                return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.end);
            },
            enumerable: false,
            configurable: true
        });
        ViewApi.prototype.getOption = function (name) {
            return this.getCurrentData().options[name]; // are the view-specific options
        };
        return ViewApi;
    }());

    var EVENT_SOURCE_REFINERS = {
        id: String,
        defaultAllDay: Boolean,
        url: String,
        format: String,
        events: identity,
        eventDataTransform: identity,
        // for any network-related sources
        success: identity,
        failure: identity,
    };
    function parseEventSource(raw, context, refiners) {
        if (refiners === void 0) { refiners = buildEventSourceRefiners(context); }
        var rawObj;
        if (typeof raw === 'string') {
            rawObj = { url: raw };
        }
        else if (typeof raw === 'function' || Array.isArray(raw)) {
            rawObj = { events: raw };
        }
        else if (typeof raw === 'object' && raw) { // not null
            rawObj = raw;
        }
        if (rawObj) {
            var _a = refineProps(rawObj, refiners), refined = _a.refined, extra = _a.extra;
            var metaRes = buildEventSourceMeta(refined, context);
            if (metaRes) {
                return {
                    _raw: raw,
                    isFetching: false,
                    latestFetchId: '',
                    fetchRange: null,
                    defaultAllDay: refined.defaultAllDay,
                    eventDataTransform: refined.eventDataTransform,
                    success: refined.success,
                    failure: refined.failure,
                    publicId: refined.id || '',
                    sourceId: guid(),
                    sourceDefId: metaRes.sourceDefId,
                    meta: metaRes.meta,
                    ui: createEventUi(refined, context),
                    extendedProps: extra,
                };
            }
        }
        return null;
    }
    function buildEventSourceRefiners(context) {
        return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_SOURCE_REFINERS), context.pluginHooks.eventSourceRefiners);
    }
    function buildEventSourceMeta(raw, context) {
        var defs = context.pluginHooks.eventSourceDefs;
        for (var i = defs.length - 1; i >= 0; i -= 1) { // later-added plugins take precedence
            var def = defs[i];
            var meta = def.parseMeta(raw);
            if (meta) {
                return { sourceDefId: i, meta: meta };
            }
        }
        return null;
    }

    function reduceCurrentDate(currentDate, action) {
        switch (action.type) {
            case 'CHANGE_DATE':
                return action.dateMarker;
            default:
                return currentDate;
        }
    }
    function getInitialDate(options, dateEnv) {
        var initialDateInput = options.initialDate;
        // compute the initial ambig-timezone date
        if (initialDateInput != null) {
            return dateEnv.createMarker(initialDateInput);
        }
        return getNow(options.now, dateEnv); // getNow already returns unzoned
    }
    function getNow(nowInput, dateEnv) {
        if (typeof nowInput === 'function') {
            nowInput = nowInput();
        }
        if (nowInput == null) {
            return dateEnv.createNowMarker();
        }
        return dateEnv.createMarker(nowInput);
    }

    var CalendarApi = /** @class */ (function () {
        function CalendarApi() {
        }
        CalendarApi.prototype.getCurrentData = function () {
            return this.currentDataManager.getCurrentData();
        };
        CalendarApi.prototype.dispatch = function (action) {
            return this.currentDataManager.dispatch(action);
        };
        Object.defineProperty(CalendarApi.prototype, "view", {
            get: function () { return this.getCurrentData().viewApi; } // for public API
            ,
            enumerable: false,
            configurable: true
        });
        CalendarApi.prototype.batchRendering = function (callback) {
            callback();
        };
        CalendarApi.prototype.updateSize = function () {
            this.trigger('_resize', true);
        };
        // Options
        // -----------------------------------------------------------------------------------------------------------------
        CalendarApi.prototype.setOption = function (name, val) {
            this.dispatch({
                type: 'SET_OPTION',
                optionName: name,
                rawOptionValue: val,
            });
        };
        CalendarApi.prototype.getOption = function (name) {
            return this.currentDataManager.currentCalendarOptionsInput[name];
        };
        CalendarApi.prototype.getAvailableLocaleCodes = function () {
            return Object.keys(this.getCurrentData().availableRawLocales);
        };
        // Trigger
        // -----------------------------------------------------------------------------------------------------------------
        CalendarApi.prototype.on = function (handlerName, handler) {
            var currentDataManager = this.currentDataManager;
            if (currentDataManager.currentCalendarOptionsRefiners[handlerName]) {
                currentDataManager.emitter.on(handlerName, handler);
            }
            else {
                console.warn("Unknown listener name '" + handlerName + "'");
            }
        };
        CalendarApi.prototype.off = function (handlerName, handler) {
            this.currentDataManager.emitter.off(handlerName, handler);
        };
        // not meant for public use
        CalendarApi.prototype.trigger = function (handlerName) {
            var _a;
            var args = [];
            for (var _i = 1; _i < arguments.length; _i++) {
                args[_i - 1] = arguments[_i];
            }
            (_a = this.currentDataManager.emitter).trigger.apply(_a, __spreadArrays([handlerName], args));
        };
        // View
        // -----------------------------------------------------------------------------------------------------------------
        CalendarApi.prototype.changeView = function (viewType, dateOrRange) {
            var _this = this;
            this.batchRendering(function () {
                _this.unselect();
                if (dateOrRange) {
                    if (dateOrRange.start && dateOrRange.end) { // a range
                        _this.dispatch({
                            type: 'CHANGE_VIEW_TYPE',
                            viewType: viewType,
                        });
                        _this.dispatch({
                            type: 'SET_OPTION',
                            optionName: 'visibleRange',
                            rawOptionValue: dateOrRange,
                        });
                    }
                    else {
                        var dateEnv = _this.getCurrentData().dateEnv;
                        _this.dispatch({
                            type: 'CHANGE_VIEW_TYPE',
                            viewType: viewType,
                            dateMarker: dateEnv.createMarker(dateOrRange),
                        });
                    }
                }
                else {
                    _this.dispatch({
                        type: 'CHANGE_VIEW_TYPE',
                        viewType: viewType,
                    });
                }
            });
        };
        // Forces navigation to a view for the given date.
        // `viewType` can be a specific view name or a generic one like "week" or "day".
        // needs to change
        CalendarApi.prototype.zoomTo = function (dateMarker, viewType) {
            var state = this.getCurrentData();
            var spec;
            viewType = viewType || 'day'; // day is default zoom
            spec = state.viewSpecs[viewType] || this.getUnitViewSpec(viewType);
            this.unselect();
            if (spec) {
                this.dispatch({
                    type: 'CHANGE_VIEW_TYPE',
                    viewType: spec.type,
                    dateMarker: dateMarker,
                });
            }
            else {
                this.dispatch({
                    type: 'CHANGE_DATE',
                    dateMarker: dateMarker,
                });
            }
        };
        // Given a duration singular unit, like "week" or "day", finds a matching view spec.
        // Preference is given to views that have corresponding buttons.
        CalendarApi.prototype.getUnitViewSpec = function (unit) {
            var _a = this.getCurrentData(), viewSpecs = _a.viewSpecs, toolbarConfig = _a.toolbarConfig;
            var viewTypes = [].concat(toolbarConfig.viewsWithButtons);
            var i;
            var spec;
            for (var viewType in viewSpecs) {
                viewTypes.push(viewType);
            }
            for (i = 0; i < viewTypes.length; i += 1) {
                spec = viewSpecs[viewTypes[i]];
                if (spec) {
                    if (spec.singleUnit === unit) {
                        return spec;
                    }
                }
            }
            return null;
        };
        // Current Date
        // -----------------------------------------------------------------------------------------------------------------
        CalendarApi.prototype.prev = function () {
            this.unselect();
            this.dispatch({ type: 'PREV' });
        };
        CalendarApi.prototype.next = function () {
            this.unselect();
            this.dispatch({ type: 'NEXT' });
        };
        CalendarApi.prototype.prevYear = function () {
            var state = this.getCurrentData();
            this.unselect();
            this.dispatch({
                type: 'CHANGE_DATE',
                dateMarker: state.dateEnv.addYears(state.currentDate, -1),
            });
        };
        CalendarApi.prototype.nextYear = function () {
            var state = this.getCurrentData();
            this.unselect();
            this.dispatch({
                type: 'CHANGE_DATE',
                dateMarker: state.dateEnv.addYears(state.currentDate, 1),