Constnium/node_modules/es-abstract/2020/Number/equal.js
2022-06-23 02:27:43 +02:00

21 lines
556 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var isNaN = require('../../helpers/isNaN');
var Type = require('../Type');
// https://262.ecma-international.org/11.0/#sec-numeric-types-number-equal
module.exports = function NumberEqual(x, y) {
if (Type(x) !== 'Number' || Type(y) !== 'Number') {
throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
}
if (isNaN(x) || isNaN(y)) {
return false;
}
// shortcut for the actual spec mechanics
return x === y;
};