31 lines
1.0 KiB
JavaScript
31 lines
1.0 KiB
JavaScript
|
'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;
|
||
|
|
};
|