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27 lines
642 B
JavaScript
27 lines
642 B
JavaScript
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'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $TypeError = GetIntrinsic('%TypeError%');
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var isNaN = require('../../helpers/isNaN');
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var Type = require('../Type');
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// https://262.ecma-international.org/11.0/#sec-numeric-types-number-lessThan
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module.exports = function NumberLessThan(x, y) {
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if (Type(x) !== 'Number' || Type(y) !== 'Number') {
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throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
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}
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// If x is NaN, return undefined.
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// If y is NaN, return undefined.
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if (isNaN(x) || isNaN(y)) {
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return void undefined;
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}
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// shortcut for the actual spec mechanics
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return x < y;
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};
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