28 lines
983 B
Plaintext
28 lines
983 B
Plaintext
'use strict';
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var $TypeError = require('es-errors/type');
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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('math-intrinsics/isNaN');
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var padTimeComponent = require('../helpers/padTimeComponent');
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var DateFromTime = require('./DateFromTime');
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var MonthFromTime = require('./MonthFromTime');
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var WeekDay = require('./WeekDay');
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var YearFromTime = require('./YearFromTime');
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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 (typeof 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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