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node_modules/es-abstract/2018/DateString.js
| 30 lines
| 1.0 KiB
| application/javascript
| JavascriptLexer
|
r789 | 'use strict'; | |||
var GetIntrinsic = require('../GetIntrinsic'); | ||||
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://www.ecma-international.org/ecma-262/9.0/#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; | ||||
}; | ||||