package.2015.ToDateString.js Maven / Gradle / Ivy

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ECMAScript spec abstract operations.

There is a newer version: 1.22.3

'use strict';

var GetIntrinsic = require('get-intrinsic');

var $TypeError = GetIntrinsic('%TypeError%');
var $Date = GetIntrinsic('%Date%');
var $String = GetIntrinsic('%String%');

var $isNaN = require('../helpers/isNaN');

var Type = require('./Type');

// https://262.ecma-international.org/6.0/#sec-todatestring

module.exports = function ToDateString(tv) {
	if (Type(tv) !== 'Number') {
		throw new $TypeError('Assertion failed: `tv` must be a Number');
	}
	if ($isNaN(tv)) {
		return 'Invalid Date';
	}
	return $String(new $Date(tv));
};