import { configFromStringAndFormat } from './from-string-and-format';
import { hooks } from '../utils/hooks';
import { deprecate } from '../utils/deprecate';
import getParsingFlags from './parsing-flags';
// 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)?)?$/;
var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;
var 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}/],
// YYYYMM is NOT allowed by the standard
['GGGG[W]WWE', /\d{4}W\d{3}/],
['GGGG[W]WW', /\d{4}W\d{2}/, false],
['YYYYDDD', /\d{7}/]
];
// iso time formats and regexes
var 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/]
];
var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;
// date from iso format
export function configFromISO(config) {
var i, l,
string = config._i,
match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
allowTime, dateFormat, timeFormat, tzFormat;
if (match) {
getParsingFlags(config).iso = true;
for (i = 0, l = isoDates.length; 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 = isoTimes.length; 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;
}
}
// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
var basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d?\d\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(?:\d\d)?\d\d\s)(\d\d:\d\d)(\:\d\d)?(\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\d{4}))$/;
// date and time from ref 2822 format
export function configFromRFC2822(config) {
var string, match, dayFormat,
dateFormat, timeFormat, tzFormat;
var timezones = {
' GMT': ' +0000',
' EDT': ' -0400',
' EST': ' -0500',
' CDT': ' -0500',
' CST': ' -0600',
' MDT': ' -0600',
' MST': ' -0700',
' PDT': ' -0700',
' PST': ' -0800'
};
var military = 'YXWVUTSRQPONZABCDEFGHIKLM';
var timezone, timezoneIndex;
string = config._i
.replace(/\([^\)]*\)|[\n\t]/g, ' ') // Remove comments and folding whitespace
.replace(/(\s\s+)/g, ' ') // Replace multiple-spaces with a single space
.replace(/^\s|\s$/g, ''); // Remove leading and trailing spaces
match = basicRfcRegex.exec(string);
if (match) {
dayFormat = match[1] ? 'ddd' + ((match[1].length === 5) ? ', ' : ' ') : '';
dateFormat = 'D MMM ' + ((match[2].length > 10) ? 'YYYY ' : 'YY ');
timeFormat = 'HH:mm' + (match[4] ? ':ss' : '');
// TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.
if (match[1]) { // day of week given
var momentDate = new Date(match[2]);
var momentDay = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'][momentDate.getDay()];
if (match[1].substr(0,3) !== momentDay) {
getParsingFlags(config).weekdayMismatch = true;
config._isValid = false;
return;
}
}
switch (match[5].length) {
case 2: // military
if (timezoneIndex === 0) {
timezone = ' +0000';
} else {
timezoneIndex = military.indexOf(match[5][1].toUpperCase()) - 12;
timezone = ((timezoneIndex < 0) ? ' -' : ' +') +
(('' + timezoneIndex).replace(/^-?/, '0')).match(/..$/)[0] + '00';
}
break;
case 4: // Zone
timezone = timezones[match[5]];
break;
default: // UT or +/-9999
timezone = timezones[' GMT'];
}
match[5] = timezone;
config._i = match.splice(1).join('');
tzFormat = ' ZZ';
config._f = dayFormat + dateFormat + timeFormat + tzFormat;
configFromStringAndFormat(config);
getParsingFlags(config).rfc2822 = true;
} else {
config._isValid = false;
}
}
// date from iso format or fallback
export 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;
}
// 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 and will be removed in an upcoming major release. Please refer to ' +
'http://momentjs.com/guides/#/warnings/js-date/ for more info.',
function (config) {
config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
}
);
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