Sha256: 47a1b1cf321ae7b7a1b930de9144e65d81c40c31a0058a3aa7a23b59ff90537f
Contents?: true
Size: 875 Bytes
Versions: 81
Compression:
Stored size: 875 Bytes
Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var isFinite = require('../../helpers/isFinite');
var isNaN = require('../../helpers/isNaN');
var Type = require('../Type');
// https://262.ecma-international.org/12.0/#sec-numeric-types-number-add
module.exports = function NumberAdd(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) || (x === Infinity && y === -Infinity) || (x === -Infinity && y === Infinity)) {
return NaN;
}
if (!isFinite(x)) {
return x;
}
if (!isFinite(y)) {
return y;
}
if (x === y && x === 0) { // both zeroes
return Infinity / x === -Infinity && Infinity / y === -Infinity ? -0 : +0;
}
// shortcut for the actual spec mechanics
return x + y;
};
Version data entries
81 entries across 27 versions & 2 rubygems