File: /var/www/tana/frontend/node_modules/locutus/php/datetime/strtotime.js
'use strict';
module.exports = function strtotime(text, now) {
// discuss at: http://locutus.io/php/strtotime/
// original by: Caio Ariede (http://caioariede.com)
// improved by: Kevin van Zonneveld (http://kvz.io)
// improved by: Caio Ariede (http://caioariede.com)
// improved by: A. Matías Quezada (http://amatiasq.com)
// improved by: preuter
// improved by: Brett Zamir (http://brett-zamir.me)
// improved by: Mirko Faber
// input by: David
// bugfixed by: Wagner B. Soares
// bugfixed by: Artur Tchernychev
// bugfixed by: Stephan Bösch-Plepelits (http://github.com/plepe)
// note 1: Examples all have a fixed timestamp to prevent
// note 1: tests to fail because of variable time(zones)
// example 1: strtotime('+1 day', 1129633200)
// returns 1: 1129719600
// example 2: strtotime('+1 week 2 days 4 hours 2 seconds', 1129633200)
// returns 2: 1130425202
// example 3: strtotime('last month', 1129633200)
// returns 3: 1127041200
// example 4: strtotime('2009-05-04 08:30:00 GMT')
// returns 4: 1241425800
// example 5: strtotime('2009-05-04 08:30:00+00')
// returns 5: 1241425800
// example 6: strtotime('2009-05-04 08:30:00+02:00')
// returns 6: 1241418600
// example 7: strtotime('2009-05-04T08:30:00Z')
// returns 7: 1241425800
var parsed;
var match;
var today;
var year;
var date;
var days;
var ranges;
var len;
var times;
var regex;
var i;
var fail = false;
if (!text) {
return fail;
}
// Unecessary spaces
text = text.replace(/^\s+|\s+$/g, '').replace(/\s{2,}/g, ' ').replace(/[\t\r\n]/g, '').toLowerCase();
// in contrast to php, js Date.parse function interprets:
// dates given as yyyy-mm-dd as in timezone: UTC,
// dates with "." or "-" as MDY instead of DMY
// dates with two-digit years differently
// etc...etc...
// ...therefore we manually parse lots of common date formats
var pattern = new RegExp(['^(\\d{1,4})', '([\\-\\.\\/:])', '(\\d{1,2})', '([\\-\\.\\/:])', '(\\d{1,4})', '(?:\\s(\\d{1,2}):(\\d{2})?:?(\\d{2})?)?', '(?:\\s([A-Z]+)?)?$'].join(''));
match = text.match(pattern);
if (match && match[2] === match[4]) {
if (match[1] > 1901) {
switch (match[2]) {
case '-':
// YYYY-M-D
if (match[3] > 12 || match[5] > 31) {
return fail;
}
return new Date(match[1], parseInt(match[3], 10) - 1, match[5], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
case '.':
// YYYY.M.D is not parsed by strtotime()
return fail;
case '/':
// YYYY/M/D
if (match[3] > 12 || match[5] > 31) {
return fail;
}
return new Date(match[1], parseInt(match[3], 10) - 1, match[5], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
}
} else if (match[5] > 1901) {
switch (match[2]) {
case '-':
// D-M-YYYY
if (match[3] > 12 || match[1] > 31) {
return fail;
}
return new Date(match[5], parseInt(match[3], 10) - 1, match[1], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
case '.':
// D.M.YYYY
if (match[3] > 12 || match[1] > 31) {
return fail;
}
return new Date(match[5], parseInt(match[3], 10) - 1, match[1], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
case '/':
// M/D/YYYY
if (match[1] > 12 || match[3] > 31) {
return fail;
}
return new Date(match[5], parseInt(match[1], 10) - 1, match[3], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
}
} else {
switch (match[2]) {
case '-':
// YY-M-D
if (match[3] > 12 || match[5] > 31 || match[1] < 70 && match[1] > 38) {
return fail;
}
year = match[1] >= 0 && match[1] <= 38 ? +match[1] + 2000 : match[1];
return new Date(year, parseInt(match[3], 10) - 1, match[5], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
case '.':
// D.M.YY or H.MM.SS
if (match[5] >= 70) {
// D.M.YY
if (match[3] > 12 || match[1] > 31) {
return fail;
}
return new Date(match[5], parseInt(match[3], 10) - 1, match[1], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
}
if (match[5] < 60 && !match[6]) {
// H.MM.SS
if (match[1] > 23 || match[3] > 59) {
return fail;
}
today = new Date();
return new Date(today.getFullYear(), today.getMonth(), today.getDate(), match[1] || 0, match[3] || 0, match[5] || 0, match[9] || 0) / 1000;
}
// invalid format, cannot be parsed
return fail;
case '/':
// M/D/YY
if (match[1] > 12 || match[3] > 31 || match[5] < 70 && match[5] > 38) {
return fail;
}
year = match[5] >= 0 && match[5] <= 38 ? +match[5] + 2000 : match[5];
return new Date(year, parseInt(match[1], 10) - 1, match[3], match[6] || 0, match[7] || 0, match[8] || 0, match[9] || 0) / 1000;
case ':':
// HH:MM:SS
if (match[1] > 23 || match[3] > 59 || match[5] > 59) {
return fail;
}
today = new Date();
return new Date(today.getFullYear(), today.getMonth(), today.getDate(), match[1] || 0, match[3] || 0, match[5] || 0) / 1000;
}
}
}
// other formats and "now" should be parsed by Date.parse()
if (text === 'now') {
return now === null || isNaN(now) ? new Date().getTime() / 1000 | 0 : now | 0;
}
if (!isNaN(parsed = Date.parse(text))) {
return parsed / 1000 | 0;
}
// Browsers !== Chrome have problems parsing ISO 8601 date strings, as they do
// not accept lower case characters, space, or shortened time zones.
// Therefore, fix these problems and try again.
// Examples:
// 2015-04-15 20:33:59+02
// 2015-04-15 20:33:59z
// 2015-04-15t20:33:59+02:00
pattern = new RegExp(['^([0-9]{4}-[0-9]{2}-[0-9]{2})', '[ t]', '([0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]+)?)', '([\\+-][0-9]{2}(:[0-9]{2})?|z)'].join(''));
match = text.match(pattern);
if (match) {
// @todo: time zone information
if (match[4] === 'z') {
match[4] = 'Z';
} else if (match[4].match(/^([+-][0-9]{2})$/)) {
match[4] = match[4] + ':00';
}
if (!isNaN(parsed = Date.parse(match[1] + 'T' + match[2] + match[4]))) {
return parsed / 1000 | 0;
}
}
date = now ? new Date(now * 1000) : new Date();
days = {
'sun': 0,
'mon': 1,
'tue': 2,
'wed': 3,
'thu': 4,
'fri': 5,
'sat': 6
};
ranges = {
'yea': 'FullYear',
'mon': 'Month',
'day': 'Date',
'hou': 'Hours',
'min': 'Minutes',
'sec': 'Seconds'
};
function lastNext(type, range, modifier) {
var diff;
var day = days[range];
if (typeof day !== 'undefined') {
diff = day - date.getDay();
if (diff === 0) {
diff = 7 * modifier;
} else if (diff > 0 && type === 'last') {
diff -= 7;
} else if (diff < 0 && type === 'next') {
diff += 7;
}
date.setDate(date.getDate() + diff);
}
}
function process(val) {
// @todo: Reconcile this with regex using \s, taking into account
// browser issues with split and regexes
var splt = val.split(' ');
var type = splt[0];
var range = splt[1].substring(0, 3);
var typeIsNumber = /\d+/.test(type);
var ago = splt[2] === 'ago';
var num = (type === 'last' ? -1 : 1) * (ago ? -1 : 1);
if (typeIsNumber) {
num *= parseInt(type, 10);
}
if (ranges.hasOwnProperty(range) && !splt[1].match(/^mon(day|\.)?$/i)) {
return date['set' + ranges[range]](date['get' + ranges[range]]() + num);
}
if (range === 'wee') {
return date.setDate(date.getDate() + num * 7);
}
if (type === 'next' || type === 'last') {
lastNext(type, range, num);
} else if (!typeIsNumber) {
return false;
}
return true;
}
times = '(years?|months?|weeks?|days?|hours?|minutes?|min|seconds?|sec' + '|sunday|sun\\.?|monday|mon\\.?|tuesday|tue\\.?|wednesday|wed\\.?' + '|thursday|thu\\.?|friday|fri\\.?|saturday|sat\\.?)';
regex = '([+-]?\\d+\\s' + times + '|' + '(last|next)\\s' + times + ')(\\sago)?';
match = text.match(new RegExp(regex, 'gi'));
if (!match) {
return fail;
}
for (i = 0, len = match.length; i < len; i++) {
if (!process(match[i])) {
return fail;
}
}
return date.getTime() / 1000;
};
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