mirror of https://github.com/jkjoy/sunpeiwen.git
22 lines
632 B
JavaScript
22 lines
632 B
JavaScript
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'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var isNegativeZero = require('is-negative-zero');
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var $TypeError = GetIntrinsic('%TypeError%');
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var Type = require('../Type');
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var NumberSameValueZero = require('./sameValueZero');
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// https://262.ecma-international.org/11.0/#sec-numeric-types-number-sameValue
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module.exports = function NumberSameValue(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 === 0 && y === 0) {
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return !(isNegativeZero(x) ^ isNegativeZero(y));
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}
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return NumberSameValueZero(x, y);
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};
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