main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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File size:
564 bytes
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| 1 | 'use strict';
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| 2 |
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| 3 | var $TypeError = require('es-errors/type');
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| 4 |
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| 5 | var isNaN = require('../../helpers/isNaN');
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| 6 |
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| 7 | // https://262.ecma-international.org/11.0/#sec-numeric-types-number-lessThan
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| 8 |
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| 9 | module.exports = function NumberLessThan(x, y) {
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| 10 | if (typeof x !== 'number' || typeof y !== 'number') {
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| 11 | throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
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| 12 | }
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| 13 |
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| 14 | // If x is NaN, return undefined.
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| 15 | // If y is NaN, return undefined.
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| 16 | if (isNaN(x) || isNaN(y)) {
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| 17 | return void undefined;
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| 18 | }
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| 19 |
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| 20 | // shortcut for the actual spec mechanics
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| 21 | return x < y;
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| 22 | };
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