mirror of
https://github.com/ionic-team/ionic-framework.git
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671 lines
18 KiB
TypeScript
671 lines
18 KiB
TypeScript
/**
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* Gets a date value given a format
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* Defaults to the current date if
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* no date given
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*/
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export const getDateValue = (date: DatetimeData, format: string): number => {
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const getValue = getValueFromFormat(date, format);
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if (getValue !== undefined) { return getValue; }
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const defaultDate = parseDate(new Date().toISOString());
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return getValueFromFormat((defaultDate as DatetimeData), format);
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};
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export const renderDatetime = (template: string, value: DatetimeData | undefined, locale: LocaleData): string | undefined => {
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if (value === undefined) {
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return undefined;
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}
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const tokens: string[] = [];
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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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const token = '{' + index + '}';
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const text = renderTextFormat(format.f, (value as any)[format.k], value, locale);
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if (!hasText && text !== undefined && (value as any)[format.k] != null) {
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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 undefined;
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}
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for (let 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 const renderTextFormat = (format: string, value: any, date: DatetimeData | undefined, locale: LocaleData): string | undefined => {
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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 (locale.dayNames ? locale.dayNames : DAY_NAMES)[value];
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}
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return (locale.dayShortNames ? locale.dayShortNames : DAY_SHORT_NAMES)[value];
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} catch (e) {
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// ignore
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}
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return undefined;
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}
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if (format === FORMAT_A) {
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return date !== undefined && date.hour !== undefined
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? (date.hour < 12 ? 'AM' : 'PM')
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: value ? value.toUpperCase() : '';
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}
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if (format === FORMAT_a) {
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return date !== undefined && date.hour !== undefined
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? (date.hour < 12 ? 'am' : 'pm')
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: value || '';
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}
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if (value == null) {
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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 || format === FORMAT_ss) {
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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 (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 (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 const dateValueRange = (format: string, min: DatetimeData, max: DatetimeData): any[] => {
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const opts: any[] = [];
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if (format === FORMAT_YYYY || format === FORMAT_YY) {
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// year
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if (max.year === undefined || min.year === undefined) {
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throw new Error('min and max year is undefined');
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}
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for (let i = max.year; i >= min.year; i--) {
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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 (let 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 (let 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 (let 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 (let i = 0; i < 60; i++) {
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opts.push(i);
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}
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} else if (format === FORMAT_ss || format === FORMAT_s) {
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// seconds
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for (let 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 const dateSortValue = (year: number | undefined, month: number | undefined, day: number | undefined, hour = 0, minute = 0): number => {
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return parseInt(`1${fourDigit(year)}${twoDigit(month)}${twoDigit(day)}${twoDigit(hour)}${twoDigit(minute)}`, 10);
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};
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export const dateDataSortValue = (data: DatetimeData): number => {
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return dateSortValue(data.year, data.month, data.day, data.hour, data.minute);
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};
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export const daysInMonth = (month: number, year: number): number => {
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return (month === 4 || month === 6 || month === 9 || month === 11) ? 30 : (month === 2) ? isLeapYear(year) ? 29 : 28 : 31;
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};
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export const isLeapYear = (year: number): boolean => {
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return (year % 4 === 0 && year % 100 !== 0) || (year % 400 === 0);
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};
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const ISO_8601_REGEXP = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/;
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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 const parseDate = (val: string | undefined | null): DatetimeData | undefined => {
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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[] | null = null;
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if (val != null && 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 (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 (parse === null) {
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// wasn't able to parse the ISO datetime
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return undefined;
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}
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// ensure all the parse values exist with at least 0
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for (let i = 1; i < 8; i++) {
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parse[i] = parse[i] !== undefined ? parseInt(parse[i], 10) : undefined;
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}
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let tzOffset = 0;
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if (parse[9] && parse[10]) {
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// hours
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tzOffset = parseInt(parse[10], 10) * 60;
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if (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,
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ampm: parse[4] >= 12 ? 'pm' : 'am'
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};
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};
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/**
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* Converts a valid UTC datetime string
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* To the user's local timezone
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* Note: This is not meant for time strings
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* such as "01:47"
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*/
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export const getLocalDateTime = (dateString: any = ''): Date => {
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/**
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* If user passed in undefined
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* or null, convert it to the
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* empty string since the rest
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* of this functions expects
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* a string
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*/
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if (dateString === undefined || dateString === null) {
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dateString = '';
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}
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/**
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* Ensures that YYYY-MM-DD, YYYY-MM,
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* YYYY-DD, etc does not get affected
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* by timezones and stays on the day/month
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* that the user provided
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*/
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if (
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dateString.length === 10 ||
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dateString.length === 7
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) {
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dateString += ' ';
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}
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const date = (typeof dateString === 'string' && dateString.length > 0) ? new Date(dateString) : new Date();
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return new Date(
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Date.UTC(
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date.getFullYear(),
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date.getMonth(),
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date.getDate(),
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date.getHours(),
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date.getMinutes(),
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date.getSeconds(),
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date.getMilliseconds()
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)
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);
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};
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export const updateDate = (existingData: DatetimeData, newData: any): boolean => {
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if (!newData || typeof newData === 'string') {
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const localDateTime = getLocalDateTime(newData);
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if (!Number.isNaN(localDateTime.getTime())) {
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newData = localDateTime.toISOString();
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}
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}
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if (newData && newData !== '') {
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if (typeof newData === 'string') {
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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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Object.assign(existingData, newData);
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return true;
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}
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} else if ((newData.year || newData.hour || newData.month || newData.day || newData.minute || newData.second)) {
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// newData is from the datetime picker's selected values
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// update the existing datetimeValue with the new values
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if (newData.ampm !== undefined && newData.hour !== undefined) {
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// If the date we came from exists, we need to change the meridiem value when
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// going to and from 12
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if (existingData.ampm !== undefined && existingData.hour !== undefined) {
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// If the existing meridiem is am, we want to switch to pm if it is either
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// A) coming from 0 (12 am)
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// B) going to 12 (12 pm)
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if (existingData.ampm === 'am' && (existingData.hour === 0 || newData.hour.value === 12)) {
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newData.ampm.value = 'pm';
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}
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// If the existing meridiem is pm, we want to switch to am if it is either
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// A) coming from 12 (12 pm)
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// B) going to 12 (12 am)
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if (existingData.ampm === 'pm' && (existingData.hour === 12 || newData.hour.value === 12)) {
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newData.ampm.value = 'am';
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}
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}
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// change the value of the hour based on whether or not it is am or pm
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// if the meridiem is pm and equal to 12, it remains 12
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// otherwise we add 12 to the hour value
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// if the meridiem is am and equal to 12, we change it to 0
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// otherwise we use its current hour value
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// for example: 8 pm becomes 20, 12 am becomes 0, 4 am becomes 4
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newData.hour.value = (newData.ampm.value === 'pm')
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? (newData.hour.value === 12 ? 12 : newData.hour.value + 12)
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: (newData.hour.value === 12 ? 0 : newData.hour.value);
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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 (const key of Object.keys(newData)) {
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(existingData as any)[key] = newData[key].value;
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}
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return true;
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} else if (newData.ampm) {
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// Even though in the picker column hour values are between 1 and 12, the hour value is actually normalized
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// to [0, 23] interval. Because of this when changing between AM and PM we have to update the hour so it points
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// to the correct HH hour
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newData.hour = {
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value: newData.hour
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? newData.hour.value
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: (newData.ampm.value === 'pm'
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? (existingData.hour! < 12 ? existingData.hour! + 12 : existingData.hour!)
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: (existingData.hour! >= 12 ? existingData.hour! - 12 : existingData.hour))
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};
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existingData['hour'] = newData['hour'].value;
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existingData['ampm'] = newData['ampm'].value;
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return true;
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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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} else {
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// blank data, clear everything out
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for (const k in existingData) {
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if (existingData.hasOwnProperty(k)) {
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delete (existingData as any)[k];
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}
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}
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}
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return false;
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};
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export const parseTemplate = (template: string): string[] => {
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const 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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const 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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VALID_AMPM_PREFIX.indexOf(words[i - 1]) === -1) {
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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 hour, minute, or second format immediately before it
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// so do not treat this word "a" or "A" as the 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 const 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 === 0 ? 12 : date.hour));
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}
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return (date as any)[convertFormatToKey(format)!];
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};
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export const convertFormatToKey = (format: string): string | undefined => {
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for (const 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 undefined;
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};
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export const 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 (data.year !== undefined) {
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// YYYY
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rtn = fourDigit(data.year);
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if (data.month !== undefined) {
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// YYYY-MM
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rtn += '-' + twoDigit(data.month);
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if (data.day !== undefined) {
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// YYYY-MM-DD
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rtn += '-' + twoDigit(data.day);
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if (data.hour !== undefined) {
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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 === undefined) {
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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(Math.abs(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 (data.hour !== undefined) {
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// HH:mm
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rtn = twoDigit(data.hour) + ':' + twoDigit(data.minute);
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if (data.second !== undefined) {
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// HH:mm:SS
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rtn += ':' + twoDigit(data.second);
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if (data.millisecond !== undefined) {
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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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return rtn;
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};
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/**
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* Use to convert a string of comma separated strings or
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* an array of strings, and clean up any user input
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*/
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export const convertToArrayOfStrings = (input: string | string[] | undefined | null, type: string): string[] | undefined => {
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if (input == null) {
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return undefined;
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}
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if (typeof input === 'string') {
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// convert the string to an array of strings
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// auto remove any [] characters
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input = input.replace(/\[|\]/g, '').split(',');
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}
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let values: string[] | undefined;
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if (Array.isArray(input)) {
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// trim up each string value
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values = input.map(val => val.toString().trim());
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}
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if (values === undefined || values.length === 0) {
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console.warn(`Invalid "${type}Names". Must be an array of strings, or a comma separated string.`);
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}
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|
|
return values;
|
|
};
|
|
|
|
/**
|
|
* Use to convert a string of comma separated numbers or
|
|
* an array of numbers, and clean up any user input
|
|
*/
|
|
export const convertToArrayOfNumbers = (input: any[] | string | number, type: string): number[] => {
|
|
if (typeof input === 'string') {
|
|
// convert the string to an array of strings
|
|
// auto remove any whitespace and [] characters
|
|
input = input.replace(/\[|\]|\s/g, '').split(',');
|
|
}
|
|
|
|
let values: number[];
|
|
if (Array.isArray(input)) {
|
|
// ensure each value is an actual number in the returned array
|
|
values = input
|
|
.map((num: any) => parseInt(num, 10))
|
|
.filter(isFinite);
|
|
} else {
|
|
values = [input];
|
|
}
|
|
|
|
if (values.length === 0) {
|
|
console.warn(`Invalid "${type}Values". Must be an array of numbers, or a comma separated string of numbers.`);
|
|
}
|
|
|
|
return values;
|
|
};
|
|
|
|
const twoDigit = (val: number | undefined): string => {
|
|
return ('0' + (val !== undefined ? Math.abs(val) : '0')).slice(-2);
|
|
};
|
|
|
|
const threeDigit = (val: number | undefined): string => {
|
|
return ('00' + (val !== undefined ? Math.abs(val) : '0')).slice(-3);
|
|
};
|
|
|
|
const fourDigit = (val: number | undefined): string => {
|
|
return ('000' + (val !== undefined ? Math.abs(val) : '0')).slice(-4);
|
|
};
|
|
|
|
export interface DatetimeData {
|
|
year?: number;
|
|
month?: number;
|
|
day?: number;
|
|
hour?: number;
|
|
minute?: number;
|
|
second?: number;
|
|
millisecond?: number;
|
|
tzOffset?: number;
|
|
ampm?: string;
|
|
}
|
|
|
|
export interface LocaleData {
|
|
monthNames?: string[];
|
|
monthShortNames?: string[];
|
|
dayNames?: string[];
|
|
dayShortNames?: string[];
|
|
}
|
|
|
|
const FORMAT_YYYY = 'YYYY';
|
|
const FORMAT_YY = 'YY';
|
|
const FORMAT_MMMM = 'MMMM';
|
|
const FORMAT_MMM = 'MMM';
|
|
const FORMAT_MM = 'MM';
|
|
const FORMAT_M = 'M';
|
|
const FORMAT_DDDD = 'DDDD';
|
|
const FORMAT_DDD = 'DDD';
|
|
const FORMAT_DD = 'DD';
|
|
const FORMAT_D = 'D';
|
|
const FORMAT_HH = 'HH';
|
|
const FORMAT_H = 'H';
|
|
const FORMAT_hh = 'hh';
|
|
const FORMAT_h = 'h';
|
|
const FORMAT_mm = 'mm';
|
|
const FORMAT_m = 'm';
|
|
const FORMAT_ss = 'ss';
|
|
const FORMAT_s = 's';
|
|
const FORMAT_A = 'A';
|
|
const FORMAT_a = 'a';
|
|
|
|
const FORMAT_KEYS = [
|
|
{ f: FORMAT_YYYY, k: 'year' },
|
|
{ f: FORMAT_MMMM, k: 'month' },
|
|
{ f: FORMAT_DDDD, k: 'day' },
|
|
{ f: FORMAT_MMM, k: 'month' },
|
|
{ f: FORMAT_DDD, k: 'day' },
|
|
{ f: FORMAT_YY, k: 'year' },
|
|
{ f: FORMAT_MM, k: 'month' },
|
|
{ f: FORMAT_DD, k: 'day' },
|
|
{ f: FORMAT_HH, k: 'hour' },
|
|
{ f: FORMAT_hh, k: 'hour' },
|
|
{ f: FORMAT_mm, k: 'minute' },
|
|
{ f: FORMAT_ss, k: 'second' },
|
|
{ f: FORMAT_M, k: 'month' },
|
|
{ f: FORMAT_D, k: 'day' },
|
|
{ f: FORMAT_H, k: 'hour' },
|
|
{ f: FORMAT_h, k: 'hour' },
|
|
{ f: FORMAT_m, k: 'minute' },
|
|
{ f: FORMAT_s, k: 'second' },
|
|
{ f: FORMAT_A, k: 'ampm' },
|
|
{ f: FORMAT_a, k: 'ampm' },
|
|
];
|
|
|
|
const DAY_NAMES = [
|
|
'Sunday',
|
|
'Monday',
|
|
'Tuesday',
|
|
'Wednesday',
|
|
'Thursday',
|
|
'Friday',
|
|
'Saturday',
|
|
];
|
|
|
|
const DAY_SHORT_NAMES = [
|
|
'Sun',
|
|
'Mon',
|
|
'Tue',
|
|
'Wed',
|
|
'Thu',
|
|
'Fri',
|
|
'Sat',
|
|
];
|
|
|
|
const MONTH_NAMES = [
|
|
'January',
|
|
'February',
|
|
'March',
|
|
'April',
|
|
'May',
|
|
'June',
|
|
'July',
|
|
'August',
|
|
'September',
|
|
'October',
|
|
'November',
|
|
'December',
|
|
];
|
|
|
|
const MONTH_SHORT_NAMES = [
|
|
'Jan',
|
|
'Feb',
|
|
'Mar',
|
|
'Apr',
|
|
'May',
|
|
'Jun',
|
|
'Jul',
|
|
'Aug',
|
|
'Sep',
|
|
'Oct',
|
|
'Nov',
|
|
'Dec',
|
|
];
|
|
|
|
const VALID_AMPM_PREFIX = [
|
|
FORMAT_hh, FORMAT_h, FORMAT_mm, FORMAT_m, FORMAT_ss, FORMAT_s
|
|
];
|