text: /*!
  FullCalendar Google Calendar Plugin v4.4.0
  Docs & License: https://fullcalendar.io/
  (c) 2019 Adam Shaw
  */
  
  (function (global, factory) {
      typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@fullcalendar/core')) :
      typeof define === 'function' && define.amd ? define(['exports', '@fullcalendar/core'], factory) :
      (global = global || self, factory(global.FullCalendarGoogleCalendar = {}, global.FullCalendar));
  }(this, function (exports, core) { 'use strict';
  
      /*! *****************************************************************************
      Copyright (c) Microsoft Corporation. All rights reserved.
      Licensed under the Apache License, Version 2.0 (the "License"); you may not use
      this file except in compliance with the License. You may obtain a copy of the
      License at http://www.apache.org/licenses/LICENSE-2.0
  
      THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
      KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
      WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
      MERCHANTABLITY OR NON-INFRINGEMENT.
  
      See the Apache Version 2.0 License for specific language governing permissions
      and limitations under the License.
      ***************************************************************************** */
  
      var __assign = function() {
          __assign = Object.assign || function __assign(t) {
              for (var s, i = 1, n = arguments.length; i < n; i++) {
                  s = arguments[i];
                  for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
              }
              return t;
          };
          return __assign.apply(this, arguments);
      };
  
      // TODO: expose somehow
      var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars';
      var STANDARD_PROPS = {
          url: String,
          googleCalendarApiKey: String,
          googleCalendarId: String,
          googleCalendarApiBase: String,
          data: null
      };
      var eventSourceDef = {
          parseMeta: function (raw) {
              if (typeof raw === 'string') {
                  raw = { url: raw };
              }
              if (typeof raw === 'object') {
                  var standardProps = core.refineProps(raw, STANDARD_PROPS);
                  if (!standardProps.googleCalendarId && standardProps.url) {
                      standardProps.googleCalendarId = parseGoogleCalendarId(standardProps.url);
                  }
                  delete standardProps.url;
                  if (standardProps.googleCalendarId) {
                      return standardProps;
                  }
              }
              return null;
          },
          fetch: function (arg, onSuccess, onFailure) {
              var calendar = arg.calendar;
              var meta = arg.eventSource.meta;
              var apiKey = meta.googleCalendarApiKey || calendar.opt('googleCalendarApiKey');
              if (!apiKey) {
                  onFailure({
                      message: 'Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/'
                  });
              }
              else {
                  var url = buildUrl(meta);
                  var requestParams_1 = buildRequestParams(arg.range, apiKey, meta.data, calendar.dateEnv);
                  core.requestJson('GET', url, requestParams_1, function (body, xhr) {
                      if (body.error) {
                          onFailure({
                              message: 'Google Calendar API: ' + body.error.message,
                              errors: body.error.errors,
                              xhr: xhr
                          });
                      }
                      else {
                          events = gcalItemsToRawEventDefs(body.items, requestParams_1.timeZone);
                          sessionStorage.setItem('events',JSON.stringify(events));
                          onSuccess({
                              rawEvents: gcalItemsToRawEventDefs(body.items, requestParams_1.timeZone),
                              xhr: xhr
                              
                          });
                          // alert(rawEvents);
                      }
                  }, function (message, xhr) {
                      onFailure({ message: message, xhr: xhr });
                  });
              }
          }
      };
      function parseGoogleCalendarId(url) {
          var match;
          // detect if the ID was specified as a single string.
          // will match calendars like "asdf1234@calendar.google.com" in addition to person email calendars.
          if (/^[^\/]+@([^\/\.]+\.)*(google|googlemail|gmail)\.com$/.test(url)) {
              return url;
          }
          else if ((match = /^https:\/\/www.googleapis.com\/calendar\/v3\/calendars\/([^\/]*)/.exec(url)) ||
              (match = /^https?:\/\/www.google.com\/calendar\/feeds\/([^\/]*)/.exec(url))) {
              return decodeURIComponent(match[1]);
          }
      }
      function buildUrl(meta) {
          var apiBase = meta.googleCalendarApiBase;
          if (!apiBase) {
              apiBase = API_BASE;
          }
          return apiBase + '/' + encodeURIComponent(meta.googleCalendarId) + '/events';
      }
      function buildRequestParams(range, apiKey, extraParams, dateEnv) {
          var params;
          var startStr;
          var endStr;
          if (dateEnv.canComputeOffset) {
              // strings will naturally have offsets, which GCal needs
              startStr = dateEnv.formatIso(range.start);
              endStr = dateEnv.formatIso(range.end);
          }
          else {
              // when timezone isn't known, we don't know what the UTC offset should be, so ask for +/- 1 day
              // from the UTC day-start to guarantee we're getting all the events
              // (start/end will be UTC-coerced dates, so toISOString is okay)
              startStr = core.addDays(range.start, -1).toISOString();
              endStr = core.addDays(range.end, 1).toISOString();
          }
          params = __assign({}, (extraParams || {}), { key: apiKey, timeMin: startStr, timeMax: endStr, singleEvents: true, maxResults: 9999 });
          if (dateEnv.timeZone !== 'local') {
              params.timeZone = dateEnv.timeZone;
          }
          return params;
      }
      function gcalItemsToRawEventDefs(items, gcalTimezone) {
          return items.map(function (item) {
              return gcalItemToRawEventDef(item, gcalTimezone);
          });
      }
      function gcalItemToRawEventDef(item, gcalTimezone) {
          var url = item.htmlLink || null;
          // make the URLs for each event show times in the correct timezone
          if (url && gcalTimezone) {
              url = injectQsComponent(url, 'ctz=' + gcalTimezone);
          }
          return {
              id: item.id,
              title: item.summary,
              start: item.start.dateTime || item.start.date,
              end: item.end.dateTime || item.end.date,
              url: url,
              location: item.location,
              description: item.description
          };
          
      }
      // Injects a string like "arg=value" into the querystring of a URL
      // TODO: move to a general util file?
      function injectQsComponent(url, component) {
          // inject it after the querystring but before the fragment
          return url.replace(/(\?.*?)?(#|$)/, function (whole, qs, hash) {
              return (qs ? qs + '&' : '?') + component + hash;
          });
      }
      var main = core.createPlugin({
          eventSourceDefs: [eventSourceDef]
      });
  
      exports.default = main;
  
      Object.defineProperty(exports, '__esModule', { value: true });
  
  }));
  