mirror of
https://github.com/ionic-team/ionic-framework.git
synced 2025-08-22 21:48:42 +08:00
504 lines
12 KiB
TypeScript
504 lines
12 KiB
TypeScript
import {isBlank, isPresent, isString, isObject, assign} from './util';
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export function renderDateTime(template: string, value: DateTimeData, locale: LocaleData) {
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if (isBlank(value)) {
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return '';
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}
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let tokens = [];
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let hasText = false;
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FORMAT_KEYS.forEach((format, index) => {
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if (template.indexOf(format.f) > -1) {
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var token = '{' + index + '}';
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var text = renderTextFormat(format.f, value[format.k], value, locale);
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if (!hasText && text && isPresent(value[format.k])) {
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hasText = true;
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}
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tokens.push(token, text);
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template = template.replace(format.f, token);
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}
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});
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if (!hasText) {
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return '';
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}
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for (var i = 0; i < tokens.length; i += 2) {
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template = template.replace(tokens[i], tokens[i + 1]);
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}
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return template;
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}
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export function renderTextFormat(format: string, value: any, date: DateTimeData, locale: LocaleData): string {
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if (format === FORMAT_DDDD || format === FORMAT_DDD) {
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try {
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value = (new Date(date.year, date.month - 1, date.day)).getDay();
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if (format === FORMAT_DDDD) {
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return (isPresent(locale.dayNames) ? locale.dayNames : DAY_NAMES)[value];
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}
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return (isPresent(locale.dayShortNames) ? locale.dayShortNames : DAY_SHORT_NAMES)[value];
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} catch (e) {}
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return '';
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}
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if (format === FORMAT_A) {
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return date ? date.hour < 12 ? 'AM' : 'PM' : isPresent(value) ? value.toUpperCase() : '';
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}
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if (format === FORMAT_a) {
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return date ? date.hour < 12 ? 'am' : 'pm' : isPresent(value) ? value : '';
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}
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if (isBlank(value)) {
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return '';
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}
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if (format === FORMAT_YY || format === FORMAT_MM ||
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format === FORMAT_DD || format === FORMAT_HH ||
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format === FORMAT_mm) {
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return twoDigit(value);
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}
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if (format === FORMAT_YYYY) {
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return fourDigit(value);
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}
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if (format === FORMAT_MMMM) {
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return (isPresent(locale.monthNames) ? locale.monthNames : MONTH_NAMES)[value - 1];
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}
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if (format === FORMAT_MMM) {
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return (isPresent(locale.monthShortNames) ? locale.monthShortNames : MONTH_SHORT_NAMES)[value - 1];
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}
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if (format === FORMAT_hh || format === FORMAT_h) {
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if (value === 0) {
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return '12';
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}
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if (value > 12) {
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value -= 12;
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}
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if (format === FORMAT_hh && value < 10) {
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return ('0' + value);
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}
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}
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return value.toString();
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}
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export function dateValueRange(format: string, min: DateTimeData, max: DateTimeData): any[] {
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let opts: any[] = [];
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let i: number;
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if (format === FORMAT_YYYY || format === FORMAT_YY) {
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// year
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i = max.year;
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while (i >= min.year) {
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opts.push(i--);
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}
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} else if (format === FORMAT_MMMM || format === FORMAT_MMM ||
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format === FORMAT_MM || format === FORMAT_M ||
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format === FORMAT_hh || format === FORMAT_h) {
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// month or 12-hour
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for (i = 1; i < 13; i++) {
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opts.push(i);
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}
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} else if (format === FORMAT_DDDD || format === FORMAT_DDD ||
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format === FORMAT_DD || format === FORMAT_D) {
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// day
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for (i = 1; i < 32; i++) {
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opts.push(i);
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}
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} else if (format === FORMAT_HH || format === FORMAT_H) {
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// 24-hour
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for (i = 0; i < 24; i++) {
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opts.push(i);
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}
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} else if (format === FORMAT_mm || format === FORMAT_m) {
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// minutes
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for (i = 0; i < 60; i++) {
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opts.push(i);
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}
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} else if (format === FORMAT_A || format === FORMAT_a) {
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// AM/PM
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opts.push('am', 'pm');
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}
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return opts;
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}
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export function dateSortValue(year: number, month: number, day: number): number {
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return parseInt(`1${fourDigit(year)}${twoDigit(month)}${twoDigit(day)}`, 10);
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}
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export function dateDataSortValue(data: DateTimeData): number {
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if (data) {
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return dateSortValue(data.year, data.month, data.day);
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}
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return -1;
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}
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export function daysInMonth(month: number, year: number): number {
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return (month === 4 || month === 6 || month === 9 || month === 11) ? 30 : (month === 2) ? isLeapYear(year) ? 29 : 28 : 31;
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}
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export function isLeapYear(year: number): boolean {
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return (year % 4 === 0 && year % 100 !== 0) || (year % 400 === 0);
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}
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const ISO_8601_REGEXP = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/;
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const TIME_REGEXP = /^((\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/;
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export function parseDate(val: any): DateTimeData {
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// manually parse IS0 cuz Date.parse cannot be trusted
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// ISO 8601 format: 1994-12-15T13:47:20Z
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let parse: any[];
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if (isPresent(val) && val !== '') {
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// try parsing for just time first, HH:MM
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parse = TIME_REGEXP.exec(val);
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if (isPresent(parse)) {
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// adjust the array so it fits nicely with the datetime parse
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parse.unshift(undefined, undefined);
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parse[2] = parse[3] = undefined;
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} else {
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// try parsing for full ISO datetime
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parse = ISO_8601_REGEXP.exec(val);
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}
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}
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if (isBlank(parse)) {
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// wasn't able to parse the ISO datetime
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return null;
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}
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// ensure all the parse values exist with at least 0
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for (var i = 1; i < 8; i++) {
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parse[i] = (parse[i] !== undefined ? parseInt(parse[i], 10) : null);
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}
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var tzOffset = 0;
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if (isPresent(parse[9]) && isPresent(parse[10])) {
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// hours
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tzOffset = parseInt(parse[10], 10) * 60;
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if (isPresent(parse[11])) {
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// minutes
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tzOffset += parseInt(parse[11], 10);
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}
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if (parse[9] === '-') {
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// + or -
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tzOffset *= -1;
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}
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}
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return {
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year: parse[1],
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month: parse[2],
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day: parse[3],
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hour: parse[4],
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minute: parse[5],
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second: parse[6],
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millisecond: parse[7],
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tzOffset: tzOffset,
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};
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}
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export function updateDate(existingData: DateTimeData, newData: any) {
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if (isPresent(newData) && newData !== '') {
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if (isString(newData)) {
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// new date is a string, and hopefully in the ISO format
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// convert it to our DateTimeData if a valid ISO
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newData = parseDate(newData);
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if (newData) {
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// successfully parsed the ISO string to our DateTimeData
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assign(existingData, newData);
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return;
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}
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} else if ((isPresent(newData.year) || isPresent(newData.hour))) {
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// newData is from of a datetime picker's selected values
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// update the existing DateTimeData data with the new values
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// do some magic for 12-hour values
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if (isPresent(newData.ampm) && isPresent(newData.hour)) {
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if (newData.ampm.value === 'pm') {
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newData.hour.value = (newData.hour.value === 12 ? 12 : newData.hour.value + 12);
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} else {
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newData.hour.value = (newData.hour.value === 12 ? 0 : newData.hour.value);
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}
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}
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// merge new values from the picker's selection
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// to the existing DateTimeData values
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for (var k in newData) {
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existingData[k] = newData[k].value;
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}
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return;
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}
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// eww, invalid data
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console.warn(`Error parsing date: "${newData}". Please provide a valid ISO 8601 datetime format: https://www.w3.org/TR/NOTE-datetime`);
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}
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}
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export function parseTemplate(template: string): string[] {
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let formats: string[] = [];
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template = template.replace(/[^\w\s]/gi, ' ');
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FORMAT_KEYS.forEach(format => {
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if (format.f.length > 1 && template.indexOf(format.f) > -1 && template.indexOf(format.f + format.f.charAt(0)) < 0) {
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template = template.replace(format.f, ' ' + format.f + ' ');
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}
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});
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let words = template.split(' ').filter(w => w.length > 0);
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words.forEach((word, i) => {
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FORMAT_KEYS.forEach(format => {
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if (word === format.f) {
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if (word === FORMAT_A || word === FORMAT_a) {
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// this format is an am/pm format, so it's an "a" or "A"
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if ((formats.indexOf(FORMAT_h) < 0 && formats.indexOf(FORMAT_hh) < 0) ||
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(words[i - 1] !== FORMAT_m && words[i - 1] !== FORMAT_mm)) {
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// template does not already have a 12-hour format
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// or this am/pm format doesn't have a minute format immediately before it
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// so do not treat this word "a" or "A" as an am/pm format
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return;
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}
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}
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formats.push(word);
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}
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});
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});
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return formats;
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}
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export function getValueFromFormat(date: DateTimeData, format: string) {
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if (format === FORMAT_A || format === FORMAT_a) {
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return (date.hour < 12 ? 'am' : 'pm');
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}
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if (format === FORMAT_hh || format === FORMAT_h) {
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return (date.hour > 12 ? date.hour - 12 : date.hour);
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}
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return date[convertFormatToKey(format)];
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}
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export function convertFormatToKey(format: string): string {
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for (var k in FORMAT_KEYS) {
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if (FORMAT_KEYS[k].f === format) {
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return FORMAT_KEYS[k].k;
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}
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}
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return null;
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}
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export function convertDataToISO(data: DateTimeData): string {
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// https://www.w3.org/TR/NOTE-datetime
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let rtn = '';
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if (isPresent(data)) {
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if (isPresent(data.year)) {
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// YYYY
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rtn = fourDigit(data.year);
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if (isPresent(data.month)) {
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// YYYY-MM
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rtn += '-' + twoDigit(data.month);
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if (isPresent(data.day)) {
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// YYYY-MM-DD
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rtn += '-' + twoDigit(data.day);
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if (isPresent(data.hour)) {
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// YYYY-MM-DDTHH:mm:SS
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rtn += `T${twoDigit(data.hour)}:${twoDigit(data.minute)}:${twoDigit(data.second)}`;
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if (data.millisecond > 0) {
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// YYYY-MM-DDTHH:mm:SS.SSS
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rtn += '.' + threeDigit(data.millisecond);
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}
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if (data.tzOffset === 0) {
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// YYYY-MM-DDTHH:mm:SSZ
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rtn += 'Z';
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} else {
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// YYYY-MM-DDTHH:mm:SS+/-HH:mm
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rtn += (data.tzOffset > 0 ? '+' : '-') + twoDigit(Math.floor(data.tzOffset / 60)) + ':' + twoDigit(data.tzOffset % 60);
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}
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}
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}
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}
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} else if (isPresent(data.hour)) {
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// HH:mm
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rtn = twoDigit(data.hour) + ':' + twoDigit(data.minute);
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if (isPresent(data.second)) {
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// HH:mm:SS
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rtn += ':' + twoDigit(data.second);
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if (isPresent(data.millisecond)) {
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// HH:mm:SS.SSS
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rtn += '.' + threeDigit(data.millisecond);
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}
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}
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}
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}
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return rtn;
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}
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function twoDigit(val: number): string {
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return ('0' + (isPresent(val) ? val : '0')).slice(-2);
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}
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function threeDigit(val: number): string {
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return ('00' + (isPresent(val) ? val : '0')).slice(-3);
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}
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function fourDigit(val: number): string {
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return ('000' + (isPresent(val) ? val : '0')).slice(-4);
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}
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export interface DateTimeData {
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year?: number;
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month?: number;
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day?: number;
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hour?: number;
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minute?: number;
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second?: number;
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millisecond?: number;
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tzOffset?: number;
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}
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export interface LocaleData {
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monthNames?: string[];
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monthShortNames?: string[];
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dayNames?: string[];
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dayShortNames?: string[];
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}
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const FORMAT_YYYY = 'YYYY';
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const FORMAT_YY = 'YY';
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const FORMAT_MMMM = 'MMMM';
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const FORMAT_MMM = 'MMM';
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const FORMAT_MM = 'MM';
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const FORMAT_M = 'M';
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const FORMAT_DDDD = 'DDDD';
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const FORMAT_DDD = 'DDD';
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const FORMAT_DD = 'DD';
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const FORMAT_D = 'D';
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const FORMAT_HH = 'HH';
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const FORMAT_H = 'H';
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const FORMAT_hh = 'hh';
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const FORMAT_h = 'h';
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const FORMAT_mm = 'mm';
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const FORMAT_m = 'm';
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const FORMAT_A = 'A';
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const FORMAT_a = 'a';
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const FORMAT_KEYS = [
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{ f: FORMAT_YYYY, k: 'year' },
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{ f: FORMAT_MMMM, k: 'month' },
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{ f: FORMAT_DDDD, k: 'day' },
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{ f: FORMAT_MMM, k: 'month' },
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{ f: FORMAT_DDD, k: 'day' },
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{ f: FORMAT_YY, k: 'year' },
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{ f: FORMAT_MM, k: 'month' },
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{ f: FORMAT_DD, k: 'day' },
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{ f: FORMAT_HH, k: 'hour' },
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{ f: FORMAT_hh, k: 'hour' },
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{ f: FORMAT_mm, k: 'minute' },
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{ f: FORMAT_M, k: 'month' },
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{ f: FORMAT_D, k: 'day' },
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{ f: FORMAT_H, k: 'hour' },
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{ f: FORMAT_h, k: 'hour' },
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{ f: FORMAT_m, k: 'minute' },
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{ f: FORMAT_A, k: 'ampm' },
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{ f: FORMAT_a, k: 'ampm' },
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];
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const FORMAT_REGEX = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|DD?D?D?|ddd?d?|YYYY|YY|a|A|hh?|HH?|mm?|ss?|.)/g;
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const DAY_NAMES = [
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'Sunday',
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'Monday',
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'Tuesday',
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'Wednesday',
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'Thursday',
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'Friday',
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'Saturday',
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];
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const DAY_SHORT_NAMES = [
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'Sun',
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'Mon',
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'Tue',
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'Wed',
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'Thu',
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'Fri',
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'Sat',
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];
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const MONTH_NAMES = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December',
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];
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const MONTH_SHORT_NAMES = [
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'Jan',
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'Feb',
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'Mar',
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'Apr',
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'May',
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'Jun',
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'Jul',
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'Aug',
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'Sep',
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'Oct',
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'Nov',
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'Dec',
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];
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