date-to-iso-string.js
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date-to-iso-string.js
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	'use strict';
	var global = require('../internals/global');
	var uncurryThis = require('../internals/function-uncurry-this');
	var fails = require('../internals/fails');
	var padStart = require('../internals/string-pad').start;

	var RangeError = global.RangeError;
	var abs = Math.abs;
	var DatePrototype = Date.prototype;
	var n$DateToISOString = DatePrototype.toISOString;
	var getTime = uncurryThis(DatePrototype.getTime);
	var getUTCDate = uncurryThis(DatePrototype.getUTCDate);
	var getUTCFullYear = uncurryThis(DatePrototype.getUTCFullYear);
	var getUTCHours = uncurryThis(DatePrototype.getUTCHours);
	var getUTCMilliseconds = uncurryThis(DatePrototype.getUTCMilliseconds);
	var getUTCMinutes = uncurryThis(DatePrototype.getUTCMinutes);
	var getUTCMonth = uncurryThis(DatePrototype.getUTCMonth);
	var getUTCSeconds = uncurryThis(DatePrototype.getUTCSeconds);

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

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