| 'use strict'; | |
| var GetIntrinsic = require('../GetIntrinsic'); | |
| var $TypeError = GetIntrinsic('%TypeError%'); | |
| var $Date = GetIntrinsic('%Date%'); | |
| var $isNaN = require('../helpers/isNaN'); | |
| var Type = require('./Type'); | |
| // https://ecma-international.org/ecma-262/6.0/#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 $Date(tv); | |
| }; |