| 1 | 'use strict';
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| 2 | var fails = require('../internals/fails');
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| 3 | var padStart = require('../internals/string-pad').start;
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| 4 |
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| 5 | var abs = Math.abs;
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| 6 | var DatePrototype = Date.prototype;
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| 7 | var getTime = DatePrototype.getTime;
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| 8 | var nativeDateToISOString = DatePrototype.toISOString;
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| 9 |
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| 10 | // `Date.prototype.toISOString` method implementation
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| 11 | // https://tc39.es/ecma262/#sec-date.prototype.toisostring
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| 12 | // PhantomJS / old WebKit fails here:
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| 13 | module.exports = (fails(function () {
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| 14 | return nativeDateToISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';
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| 15 | }) || !fails(function () {
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| 16 | nativeDateToISOString.call(new Date(NaN));
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| 17 | })) ? function toISOString() {
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| 18 | if (!isFinite(getTime.call(this))) throw RangeError('Invalid time value');
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| 19 | var date = this;
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| 20 | var year = date.getUTCFullYear();
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| 21 | var milliseconds = date.getUTCMilliseconds();
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| 22 | var sign = year < 0 ? '-' : year > 9999 ? '+' : '';
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| 23 | return sign + padStart(abs(year), sign ? 6 : 4, 0) +
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| 24 | '-' + padStart(date.getUTCMonth() + 1, 2, 0) +
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| 25 | '-' + padStart(date.getUTCDate(), 2, 0) +
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| 26 | 'T' + padStart(date.getUTCHours(), 2, 0) +
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| 27 | ':' + padStart(date.getUTCMinutes(), 2, 0) +
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| 28 | ':' + padStart(date.getUTCSeconds(), 2, 0) +
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| 29 | '.' + padStart(milliseconds, 3, 0) +
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| 30 | 'Z';
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| 31 | } : nativeDateToISOString;
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