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- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var $TypeError = GetIntrinsic('%TypeError%');
- var weekdays = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
- var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
- var $isNaN = require('../helpers/isNaN');
- var padTimeComponent = require('../helpers/padTimeComponent');
- var Type = require('./Type');
- var WeekDay = require('./WeekDay');
- var MonthFromTime = require('./MonthFromTime');
- var YearFromTime = require('./YearFromTime');
- var DateFromTime = require('./DateFromTime');
- // https://262.ecma-international.org/9.0/#sec-datestring
- module.exports = function DateString(tv) {
- if (Type(tv) !== 'Number' || $isNaN(tv)) {
- throw new $TypeError('Assertion failed: `tv` must be a non-NaN Number');
- }
- var weekday = weekdays[WeekDay(tv)];
- var month = months[MonthFromTime(tv)];
- var day = padTimeComponent(DateFromTime(tv));
- var year = padTimeComponent(YearFromTime(tv), 4);
- return weekday + '\x20' + month + '\x20' + day + '\x20' + year;
- };
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