22 lines
556 B
JavaScript
22 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;
|
||
|
|
};
|