securityos/node_modules/es-abstract/2020/Number/sameValue.js

20 lines
556 B
JavaScript

'use strict';
var isNegativeZero = require('is-negative-zero');
var $TypeError = require('es-errors/type');
var NumberSameValueZero = require('./sameValueZero');
// https://262.ecma-international.org/11.0/#sec-numeric-types-number-sameValue
module.exports = function NumberSameValue(x, y) {
if (typeof x !== 'number' || typeof y !== 'number') {
throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
}
if (x === 0 && y === 0) {
return !(isNegativeZero(x) ^ isNegativeZero(y));
}
return NumberSameValueZero(x, y);
};