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24 lines
575 B
24 lines
575 B
'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-sameValueZero
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module.exports = function NumberSameValueZero(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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var xNaN = isNaN(x);
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var yNaN = isNaN(y);
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if (xNaN || yNaN) {
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return xNaN === yNaN;
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}
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return x === y;
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};
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