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add static files
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Pierre-antoine Comby
208
static/admin/js/calendar.js
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208
static/admin/js/calendar.js
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/*global gettext, pgettext, get_format, quickElement, removeChildren*/
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/*
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calendar.js - Calendar functions by Adrian Holovaty
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depends on core.js for utility functions like removeChildren or quickElement
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*/
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(function() {
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'use strict';
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// CalendarNamespace -- Provides a collection of HTML calendar-related helper functions
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var CalendarNamespace = {
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monthsOfYear: [
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gettext('January'),
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gettext('February'),
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gettext('March'),
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gettext('April'),
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gettext('May'),
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gettext('June'),
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gettext('July'),
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gettext('August'),
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gettext('September'),
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gettext('October'),
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gettext('November'),
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gettext('December')
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],
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daysOfWeek: [
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pgettext('one letter Sunday', 'S'),
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pgettext('one letter Monday', 'M'),
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pgettext('one letter Tuesday', 'T'),
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pgettext('one letter Wednesday', 'W'),
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pgettext('one letter Thursday', 'T'),
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pgettext('one letter Friday', 'F'),
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pgettext('one letter Saturday', 'S')
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],
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firstDayOfWeek: parseInt(get_format('FIRST_DAY_OF_WEEK')),
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isLeapYear: function(year) {
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return (((year % 4) === 0) && ((year % 100) !== 0 ) || ((year % 400) === 0));
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},
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getDaysInMonth: function(month, year) {
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var days;
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if (month === 1 || month === 3 || month === 5 || month === 7 || month === 8 || month === 10 || month === 12) {
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days = 31;
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}
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else if (month === 4 || month === 6 || month === 9 || month === 11) {
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days = 30;
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}
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else if (month === 2 && CalendarNamespace.isLeapYear(year)) {
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days = 29;
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}
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else {
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days = 28;
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}
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return days;
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},
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draw: function(month, year, div_id, callback, selected) { // month = 1-12, year = 1-9999
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var today = new Date();
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var todayDay = today.getDate();
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var todayMonth = today.getMonth() + 1;
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var todayYear = today.getFullYear();
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var todayClass = '';
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// Use UTC functions here because the date field does not contain time
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// and using the UTC function variants prevent the local time offset
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// from altering the date, specifically the day field. For example:
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//
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// ```
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// var x = new Date('2013-10-02');
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// var day = x.getDate();
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// ```
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//
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// The day variable above will be 1 instead of 2 in, say, US Pacific time
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// zone.
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var isSelectedMonth = false;
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if (typeof selected !== 'undefined') {
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isSelectedMonth = (selected.getUTCFullYear() === year && (selected.getUTCMonth() + 1) === month);
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}
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month = parseInt(month);
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year = parseInt(year);
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var calDiv = document.getElementById(div_id);
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removeChildren(calDiv);
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var calTable = document.createElement('table');
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quickElement('caption', calTable, CalendarNamespace.monthsOfYear[month - 1] + ' ' + year);
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var tableBody = quickElement('tbody', calTable);
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// Draw days-of-week header
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var tableRow = quickElement('tr', tableBody);
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for (var i = 0; i < 7; i++) {
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quickElement('th', tableRow, CalendarNamespace.daysOfWeek[(i + CalendarNamespace.firstDayOfWeek) % 7]);
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}
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var startingPos = new Date(year, month - 1, 1 - CalendarNamespace.firstDayOfWeek).getDay();
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var days = CalendarNamespace.getDaysInMonth(month, year);
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var nonDayCell;
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// Draw blanks before first of month
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tableRow = quickElement('tr', tableBody);
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for (i = 0; i < startingPos; i++) {
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nonDayCell = quickElement('td', tableRow, ' ');
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nonDayCell.className = "nonday";
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}
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function calendarMonth(y, m) {
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function onClick(e) {
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e.preventDefault();
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callback(y, m, this.textContent);
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}
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return onClick;
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}
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// Draw days of month
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var currentDay = 1;
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for (i = startingPos; currentDay <= days; i++) {
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if (i % 7 === 0 && currentDay !== 1) {
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tableRow = quickElement('tr', tableBody);
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}
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if ((currentDay === todayDay) && (month === todayMonth) && (year === todayYear)) {
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todayClass = 'today';
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} else {
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todayClass = '';
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}
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// use UTC function; see above for explanation.
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if (isSelectedMonth && currentDay === selected.getUTCDate()) {
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if (todayClass !== '') {
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todayClass += " ";
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}
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todayClass += "selected";
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}
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var cell = quickElement('td', tableRow, '', 'class', todayClass);
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var link = quickElement('a', cell, currentDay, 'href', '#');
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link.addEventListener('click', calendarMonth(year, month));
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currentDay++;
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}
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// Draw blanks after end of month (optional, but makes for valid code)
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while (tableRow.childNodes.length < 7) {
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nonDayCell = quickElement('td', tableRow, ' ');
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nonDayCell.className = "nonday";
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}
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calDiv.appendChild(calTable);
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}
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};
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// Calendar -- A calendar instance
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function Calendar(div_id, callback, selected) {
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// div_id (string) is the ID of the element in which the calendar will
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// be displayed
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// callback (string) is the name of a JavaScript function that will be
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// called with the parameters (year, month, day) when a day in the
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// calendar is clicked
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this.div_id = div_id;
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this.callback = callback;
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this.today = new Date();
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this.currentMonth = this.today.getMonth() + 1;
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this.currentYear = this.today.getFullYear();
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if (typeof selected !== 'undefined') {
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this.selected = selected;
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}
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}
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Calendar.prototype = {
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drawCurrent: function() {
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CalendarNamespace.draw(this.currentMonth, this.currentYear, this.div_id, this.callback, this.selected);
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},
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drawDate: function(month, year, selected) {
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this.currentMonth = month;
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this.currentYear = year;
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if(selected) {
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this.selected = selected;
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}
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this.drawCurrent();
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},
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drawPreviousMonth: function() {
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if (this.currentMonth === 1) {
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this.currentMonth = 12;
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this.currentYear--;
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}
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else {
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this.currentMonth--;
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}
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this.drawCurrent();
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},
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drawNextMonth: function() {
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if (this.currentMonth === 12) {
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this.currentMonth = 1;
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this.currentYear++;
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}
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else {
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this.currentMonth++;
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}
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this.drawCurrent();
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},
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drawPreviousYear: function() {
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this.currentYear--;
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this.drawCurrent();
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},
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drawNextYear: function() {
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this.currentYear++;
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this.drawCurrent();
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}
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};
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window.Calendar = Calendar;
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window.CalendarNamespace = CalendarNamespace;
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})();
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