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