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zhishifufei_php/public/pc/element-ui/lib/utils/date.js

369 lines
11 KiB

'use strict';
/* Modified from https://github.com/taylorhakes/fecha
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Taylor Hakes
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*eslint-disable*/
// 把 YYYY-MM-DD 改成了 yyyy-MM-dd
(function (main) {
'use strict';
/**
* Parse or format dates
* @class fecha
*/
var fecha = {};
var token = /d{1,4}|M{1,4}|yy(?:yy)?|S{1,3}|Do|ZZ|([HhMsDm])\1?|[aA]|"[^"]*"|'[^']*'/g;
var twoDigits = '\\d\\d?';
var threeDigits = '\\d{3}';
var fourDigits = '\\d{4}';
var word = '[^\\s]+';
var literal = /\[([^]*?)\]/gm;
var noop = function noop() {};
function regexEscape(str) {
return str.replace(/[|\\{()[^$+*?.-]/g, '\\$&');
}
function shorten(arr, sLen) {
var newArr = [];
for (var i = 0, len = arr.length; i < len; i++) {
newArr.push(arr[i].substr(0, sLen));
}
return newArr;
}
function monthUpdate(arrName) {
return function (d, v, i18n) {
var index = i18n[arrName].indexOf(v.charAt(0).toUpperCase() + v.substr(1).toLowerCase());
if (~index) {
d.month = index;
}
};
}
function pad(val, len) {
val = String(val);
len = len || 2;
while (val.length < len) {
val = '0' + val;
}
return val;
}
var dayNames = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
var monthNames = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
var monthNamesShort = shorten(monthNames, 3);
var dayNamesShort = shorten(dayNames, 3);
fecha.i18n = {
dayNamesShort: dayNamesShort,
dayNames: dayNames,
monthNamesShort: monthNamesShort,
monthNames: monthNames,
amPm: ['am', 'pm'],
DoFn: function DoFn(D) {
return D + ['th', 'st', 'nd', 'rd'][D % 10 > 3 ? 0 : (D - D % 10 !== 10) * D % 10];
}
};
var formatFlags = {
D: function D(dateObj) {
return dateObj.getDay();
},
DD: function DD(dateObj) {
return pad(dateObj.getDay());
},
Do: function Do(dateObj, i18n) {
return i18n.DoFn(dateObj.getDate());
},
d: function d(dateObj) {
return dateObj.getDate();
},
dd: function dd(dateObj) {
return pad(dateObj.getDate());
},
ddd: function ddd(dateObj, i18n) {
return i18n.dayNamesShort[dateObj.getDay()];
},
dddd: function dddd(dateObj, i18n) {
return i18n.dayNames[dateObj.getDay()];
},
M: function M(dateObj) {
return dateObj.getMonth() + 1;
},
MM: function MM(dateObj) {
return pad(dateObj.getMonth() + 1);
},
MMM: function MMM(dateObj, i18n) {
return i18n.monthNamesShort[dateObj.getMonth()];
},
MMMM: function MMMM(dateObj, i18n) {
return i18n.monthNames[dateObj.getMonth()];
},
yy: function yy(dateObj) {
return pad(String(dateObj.getFullYear()), 4).substr(2);
},
yyyy: function yyyy(dateObj) {
return pad(dateObj.getFullYear(), 4);
},
h: function h(dateObj) {
return dateObj.getHours() % 12 || 12;
},
hh: function hh(dateObj) {
return pad(dateObj.getHours() % 12 || 12);
},
H: function H(dateObj) {
return dateObj.getHours();
},
HH: function HH(dateObj) {
return pad(dateObj.getHours());
},
m: function m(dateObj) {
return dateObj.getMinutes();
},
mm: function mm(dateObj) {
return pad(dateObj.getMinutes());
},
s: function s(dateObj) {
return dateObj.getSeconds();
},
ss: function ss(dateObj) {
return pad(dateObj.getSeconds());
},
S: function S(dateObj) {
return Math.round(dateObj.getMilliseconds() / 100);
},
SS: function SS(dateObj) {
return pad(Math.round(dateObj.getMilliseconds() / 10), 2);
},
SSS: function SSS(dateObj) {
return pad(dateObj.getMilliseconds(), 3);
},
a: function a(dateObj, i18n) {
return dateObj.getHours() < 12 ? i18n.amPm[0] : i18n.amPm[1];
},
A: function A(dateObj, i18n) {
return dateObj.getHours() < 12 ? i18n.amPm[0].toUpperCase() : i18n.amPm[1].toUpperCase();
},
ZZ: function ZZ(dateObj) {
var o = dateObj.getTimezoneOffset();
return (o > 0 ? '-' : '+') + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4);
}
};
var parseFlags = {
d: [twoDigits, function (d, v) {
d.day = v;
}],
Do: [twoDigits + word, function (d, v) {
d.day = parseInt(v, 10);
}],
M: [twoDigits, function (d, v) {
d.month = v - 1;
}],
yy: [twoDigits, function (d, v) {
var da = new Date(),
cent = +('' + da.getFullYear()).substr(0, 2);
d.year = '' + (v > 68 ? cent - 1 : cent) + v;
}],
h: [twoDigits, function (d, v) {
d.hour = v;
}],
m: [twoDigits, function (d, v) {
d.minute = v;
}],
s: [twoDigits, function (d, v) {
d.second = v;
}],
yyyy: [fourDigits, function (d, v) {
d.year = v;
}],
S: ['\\d', function (d, v) {
d.millisecond = v * 100;
}],
SS: ['\\d{2}', function (d, v) {
d.millisecond = v * 10;
}],
SSS: [threeDigits, function (d, v) {
d.millisecond = v;
}],
D: [twoDigits, noop],
ddd: [word, noop],
MMM: [word, monthUpdate('monthNamesShort')],
MMMM: [word, monthUpdate('monthNames')],
a: [word, function (d, v, i18n) {
var val = v.toLowerCase();
if (val === i18n.amPm[0]) {
d.isPm = false;
} else if (val === i18n.amPm[1]) {
d.isPm = true;
}
}],
ZZ: ['[^\\s]*?[\\+\\-]\\d\\d:?\\d\\d|[^\\s]*?Z', function (d, v) {
var parts = (v + '').match(/([+-]|\d\d)/gi),
minutes;
if (parts) {
minutes = +(parts[1] * 60) + parseInt(parts[2], 10);
d.timezoneOffset = parts[0] === '+' ? minutes : -minutes;
}
}]
};
parseFlags.dd = parseFlags.d;
parseFlags.dddd = parseFlags.ddd;
parseFlags.DD = parseFlags.D;
parseFlags.mm = parseFlags.m;
parseFlags.hh = parseFlags.H = parseFlags.HH = parseFlags.h;
parseFlags.MM = parseFlags.M;
parseFlags.ss = parseFlags.s;
parseFlags.A = parseFlags.a;
// Some common format strings
fecha.masks = {
default: 'ddd MMM dd yyyy HH:mm:ss',
shortDate: 'M/D/yy',
mediumDate: 'MMM d, yyyy',
longDate: 'MMMM d, yyyy',
fullDate: 'dddd, MMMM d, yyyy',
shortTime: 'HH:mm',
mediumTime: 'HH:mm:ss',
longTime: 'HH:mm:ss.SSS'
};
/***
* Format a date
* @method format
* @param {Date|number} dateObj
* @param {string} mask Format of the date, i.e. 'mm-dd-yy' or 'shortDate'
*/
fecha.format = function (dateObj, mask, i18nSettings) {
var i18n = i18nSettings || fecha.i18n;
if (typeof dateObj === 'number') {
dateObj = new Date(dateObj);
}
if (Object.prototype.toString.call(dateObj) !== '[object Date]' || isNaN(dateObj.getTime())) {
throw new Error('Invalid Date in fecha.format');
}
mask = fecha.masks[mask] || mask || fecha.masks['default'];
var literals = [];
// Make literals inactive by replacing them with ??
mask = mask.replace(literal, function ($0, $1) {
literals.push($1);
return '@@@';
});
// Apply formatting rules
mask = mask.replace(token, function ($0) {
return $0 in formatFlags ? formatFlags[$0](dateObj, i18n) : $0.slice(1, $0.length - 1);
});
// Inline literal values back into the formatted value
return mask.replace(/@@@/g, function () {
return literals.shift();
});
};
/**
* Parse a date string into an object, changes - into /
* @method parse
* @param {string} dateStr Date string
* @param {string} format Date parse format
* @returns {Date|boolean}
*/
fecha.parse = function (dateStr, format, i18nSettings) {
var i18n = i18nSettings || fecha.i18n;
if (typeof format !== 'string') {
throw new Error('Invalid format in fecha.parse');
}
format = fecha.masks[format] || format;
// Avoid regular expression denial of service, fail early for really long strings
// https://www.owasp.org/index.php/Regular_expression_Denial_of_Service_-_ReDoS
if (dateStr.length > 1000) {
return null;
}
var dateInfo = {};
var parseInfo = [];
var literals = [];
format = format.replace(literal, function ($0, $1) {
literals.push($1);
return '@@@';
});
var newFormat = regexEscape(format).replace(token, function ($0) {
if (parseFlags[$0]) {
var info = parseFlags[$0];
parseInfo.push(info[1]);
return '(' + info[0] + ')';
}
return $0;
});
newFormat = newFormat.replace(/@@@/g, function () {
return literals.shift();
});
var matches = dateStr.match(new RegExp(newFormat, 'i'));
if (!matches) {
return null;
}
for (var i = 1; i < matches.length; i++) {
parseInfo[i - 1](dateInfo, matches[i], i18n);
}
var today = new Date();
if (dateInfo.isPm === true && dateInfo.hour != null && +dateInfo.hour !== 12) {
dateInfo.hour = +dateInfo.hour + 12;
} else if (dateInfo.isPm === false && +dateInfo.hour === 12) {
dateInfo.hour = 0;
}
var date;
if (dateInfo.timezoneOffset != null) {
dateInfo.minute = +(dateInfo.minute || 0) - +dateInfo.timezoneOffset;
date = new Date(Date.UTC(dateInfo.year || today.getFullYear(), dateInfo.month || 0, dateInfo.day || 1, dateInfo.hour || 0, dateInfo.minute || 0, dateInfo.second || 0, dateInfo.millisecond || 0));
} else {
date = new Date(dateInfo.year || today.getFullYear(), dateInfo.month || 0, dateInfo.day || 1, dateInfo.hour || 0, dateInfo.minute || 0, dateInfo.second || 0, dateInfo.millisecond || 0);
}
return date;
};
/* istanbul ignore next */
if (typeof module !== 'undefined' && module.exports) {
module.exports = fecha;
} else if (typeof define === 'function' && define.amd) {
define(function () {
return fecha;
});
} else {
main.fecha = fecha;
}
})(undefined);