| 'use strict'; |
| |
| var $TypeError = require('es-errors/type'); |
| var isFinite = require('math-intrinsics/isFinite'); |
| var isNaN = require('math-intrinsics/isNaN'); |
| |
| // https://262.ecma-international.org/11.0/#sec-numeric-types-number-divide |
| |
| module.exports = function NumberDivide(x, y) { |
| if (typeof x !== 'number' || typeof y !== 'number') { |
| throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers'); |
| } |
| if (isNaN(x) || isNaN(y) || (!isFinite(x) && !isFinite(y))) { |
| return NaN; |
| } |
| // shortcut for the actual spec mechanics |
| return x / y; |
| }; |