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- 'use strict';
- var $TypeError = require('es-errors/type');
- var isFinite = require('../../helpers/isFinite');
- var isNaN = require('../../helpers/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;
- };
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