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date-to-iso-string.js
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date-to-iso-string.js
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'use strict';
var fails = require('../internals/fails');
var padStart = require('../internals/string-pad').start;
var abs = Math.abs;
var DatePrototype = Date.prototype;
var getTime = DatePrototype.getTime;
var nativeDateToISOString = DatePrototype.toISOString;
// `Date.prototype.toISOString` method implementation
// https://tc39.es/ecma262/#sec-date.prototype.toisostring
// PhantomJS / old WebKit fails here:
module.exports = (fails(function () {
return nativeDateToISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';
}) || !fails(function () {
nativeDateToISOString.call(new Date(NaN));
})) ? function toISOString() {
if (!isFinite(getTime.call(this))) throw RangeError('Invalid time value');
var date = this;
var year = date.getUTCFullYear();
var milliseconds = date.getUTCMilliseconds();
var sign = year < 0 ? '-' : year > 9999 ? '+' : '';
return sign + padStart(abs(year), sign ? 6 : 4, 0) +
'-' + padStart(date.getUTCMonth() + 1, 2, 0) +
'-' + padStart(date.getUTCDate(), 2, 0) +
'T' + padStart(date.getUTCHours(), 2, 0) +
':' + padStart(date.getUTCMinutes(), 2, 0) +
':' + padStart(date.getUTCSeconds(), 2, 0) +
'.' + padStart(milliseconds, 3, 0) +
'Z';
} : nativeDateToISOString;