/*!
FullCalendar Moment Plugin v4.3.0
Docs & License: https://fullcalendar.io/
(c) 2019 Adam Shaw
*/

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('moment'), require('fullcalendar')) :
    typeof define === 'function' && define.amd ? define(['exports', 'moment', 'fullcalendar'], factory) :
    (global = global || self, factory(global.FullCalendar = global.FullCalendar || {}, global.moment, global.FullCalendar));
}(this, (function (exports, momentNs, fullcalendar) { 'use strict';

    var moment = momentNs;
    function toMoment(date, calendar) {
        if (!(calendar instanceof fullcalendar.Calendar)) {
            throw new Error('must supply a Calendar instance');
        }
        return convertToMoment(date, calendar.dateEnv.timeZone, null, calendar.dateEnv.locale.codes[0]);
    }
    function toDuration(fcDuration) {
        return moment.duration(fcDuration);
    }
    function formatWithCmdStr(cmdStr, arg) {
        var cmd = parseCmdStr(cmdStr);
        if (arg.end) {
            var startMom = convertToMoment(arg.start.array, arg.timeZone, arg.start.timeZoneOffset, arg.localeCodes[0]);
            var endMom = convertToMoment(arg.end.array, arg.timeZone, arg.end.timeZoneOffset, arg.localeCodes[0]);
            return formatRange(cmd, createMomentFormatFunc(startMom), createMomentFormatFunc(endMom), arg.separator);
        }
        return convertToMoment(arg.date.array, arg.timeZone, arg.date.timeZoneOffset, arg.localeCodes[0]).format(cmd.whole);
    }
    var main = fullcalendar.createPlugin({
        cmdFormatter: formatWithCmdStr
    });
    function createMomentFormatFunc(mom) {
        return function (cmdStr) {
            return cmdStr ? mom.format(cmdStr) : '';
        };
    }
    function convertToMoment(input, timeZone, timeZoneOffset, locale) {
        var mom;
        if (timeZone === 'local') {
            mom = moment(input);
        }
        else if (timeZone === 'UTC') {
            mom = moment.utc(input);
        }
        else if (moment.tz) {
            mom = moment.tz(input, timeZone);
        }
        else {
            mom = moment.utc(input);
            if (timeZoneOffset != null) {
                mom.utcOffset(timeZoneOffset);
            }
        }
        mom.locale(locale);
        return mom;
    }
    function parseCmdStr(cmdStr) {
        var parts = cmdStr.match(/^(.*?)\{(.*)\}(.*)$/);
        if (parts) {
            var middle = parseCmdStr(parts[2]);
            return {
                head: parts[1],
                middle: middle,
                tail: parts[3],
                whole: parts[1] + middle.whole + parts[3]
            };
        }
        else {
            return {
                head: null,
                middle: null,
                tail: null,
                whole: cmdStr
            };
        }
    }
    function formatRange(cmd, formatStart, formatEnd, separator) {
        if (cmd.middle) {
            var startHead = formatStart(cmd.head);
            var startMiddle = formatRange(cmd.middle, formatStart, formatEnd, separator);
            var startTail = formatStart(cmd.tail);
            var endHead = formatEnd(cmd.head);
            var endMiddle = formatRange(cmd.middle, formatStart, formatEnd, separator);
            var endTail = formatEnd(cmd.tail);
            if (startHead === endHead && startTail === endTail) {
                return startHead +
                    (startMiddle === endMiddle ? startMiddle : startMiddle + separator + endMiddle) +
                    startTail;
            }
        }
        var startWhole = formatStart(cmd.whole);
        var endWhole = formatEnd(cmd.whole);
        if (startWhole === endWhole) {
            return startWhole;
        }
        else {
            return startWhole + separator + endWhole;
        }
    }

    exports.default = main;
    exports.toDuration = toDuration;
    exports.toMoment = toMoment;

    Object.defineProperty(exports, '__esModule', { value: true });


    if (exports.globalPlugins) {
      exports.globalPlugins.push(exports.default)
      delete exports.default
    }

})));
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