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import { configFromStringAndFormat } from './from-string-and-format';import { createUTCDate } from './date-from-array';import { hooks } from '../utils/hooks';import { deprecate } from '../utils/deprecate';import getParsingFlags from './parsing-flags';import { defaultLocaleMonthsShort } from '../units/month';import { defaultLocaleWeekdaysShort } from '../units/day-of-week';// iso 8601 regex// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/, basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d|))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/, tzRegex = /Z|[+-]\d\d(?::?\d\d)?/, isoDates = [ ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], ['GGGG-[W]WW', /\d{4}-W\d\d/, false], ['YYYY-DDD', /\d{4}-\d{3}/], ['YYYY-MM', /\d{4}-\d\d/, false], ['YYYYYYMMDD', /[+-]\d{10}/], ['YYYYMMDD', /\d{8}/], ['GGGG[W]WWE', /\d{4}W\d{3}/], ['GGGG[W]WW', /\d{4}W\d{2}/, false], ['YYYYDDD', /\d{7}/], ['YYYYMM', /\d{6}/, false], ['YYYY', /\d{4}/, false], ], // iso time formats and regexes isoTimes = [ ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], ['HH:mm:ss', /\d\d:\d\d:\d\d/], ['HH:mm', /\d\d:\d\d/], ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], ['HHmmss', /\d\d\d\d\d\d/], ['HHmm', /\d\d\d\d/], ['HH', /\d\d/], ], aspNetJsonRegex = /^\/?Date\((-?\d+)/i, // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/, obsOffsets = { UT: 0, GMT: 0, EDT: -4 * 60, EST: -5 * 60, CDT: -5 * 60, CST: -6 * 60, MDT: -6 * 60, MST: -7 * 60, PDT: -7 * 60, PST: -8 * 60, };// date from iso formatexport function configFromISO(config) { var i, l, string = config._i, match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), allowTime, dateFormat, timeFormat, tzFormat, isoDatesLen = isoDates.length, isoTimesLen = isoTimes.length; if (match) { getParsingFlags(config).iso = true; for (i = 0, l = isoDatesLen; i < l; i++) { if (isoDates[i][1].exec(match[1])) { dateFormat = isoDates[i][0]; allowTime = isoDates[i][2] !== false; break; } } if (dateFormat == null) { config._isValid = false; return; } if (match[3]) { for (i = 0, l = isoTimesLen; i < l; i++) { if (isoTimes[i][1].exec(match[3])) { // match[2] should be 'T' or space timeFormat = (match[2] || ' ') + isoTimes[i][0]; break; } } if (timeFormat == null) { config._isValid = false; return; } } if (!allowTime && timeFormat != null) { config._isValid = false; return; } if (match[4]) { if (tzRegex.exec(match[4])) { tzFormat = 'Z'; } else { config._isValid = false; return; } } config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); configFromStringAndFormat(config); } else { config._isValid = false; }}function extractFromRFC2822Strings( yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { var result = [ untruncateYear(yearStr), defaultLocaleMonthsShort.indexOf(monthStr), parseInt(dayStr, 10), parseInt(hourStr, 10), parseInt(minuteStr, 10), ]; if (secondStr) { result.push(parseInt(secondStr, 10)); } return result;}function untruncateYear(yearStr) { var year = parseInt(yearStr, 10); if (year <= 49) { return 2000 + year; } else if (year <= 999) { return 1900 + year; } return year;}function preprocessRFC2822(s) { // Remove comments and folding whitespace and replace multiple-spaces with a single space return s .replace(/\([^()]*\)|[\n\t]/g, ' ') .replace(/(\s\s+)/g, ' ') .replace(/^\s\s*/, '') .replace(/\s\s*$/, '');}function checkWeekday(weekdayStr, parsedInput, config) { if (weekdayStr) { // TODO: Replace the vanilla JS Date object with an independent day-of-week check. var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), weekdayActual = new Date( parsedInput[0], parsedInput[1], parsedInput[2] ).getDay(); if (weekdayProvided !== weekdayActual) { getParsingFlags(config).weekdayMismatch = true; config._isValid = false; return false; } } return true;}function calculateOffset(obsOffset, militaryOffset, numOffset) { if (obsOffset) { return obsOffsets[obsOffset]; } else if (militaryOffset) { // the only allowed military tz is Z return 0; } else { var hm = parseInt(numOffset, 10), m = hm % 100, h = (hm - m) / 100; return h * 60 + m; }}// date and time from ref 2822 formatexport function configFromRFC2822(config) { var match = rfc2822.exec(preprocessRFC2822(config._i)), parsedArray; if (match) { parsedArray = extractFromRFC2822Strings( match[4], match[3], match[2], match[5], match[6], match[7] ); if (!checkWeekday(match[1], parsedArray, config)) { return; } config._a = parsedArray; config._tzm = calculateOffset(match[8], match[9], match[10]); config._d = createUTCDate.apply(null, config._a); config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); getParsingFlags(config).rfc2822 = true; } else { config._isValid = false; }}// date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strictexport function configFromString(config) { var matched = aspNetJsonRegex.exec(config._i); if (matched !== null) { config._d = new Date(+matched[1]); return; } configFromISO(config); if (config._isValid === false) { delete config._isValid; } else { return; } configFromRFC2822(config); if (config._isValid === false) { delete config._isValid; } else { return; } if (config._strict) { config._isValid = false; } else { // Final attempt, use Input Fallback hooks.createFromInputFallback(config); }}hooks.createFromInputFallback = deprecate( 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + 'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.', function (config) { config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); }); |