12345678910111213141516171819202122 |
- 'use strict';
- var $TypeError = require('es-errors/type');
- var isNaN = require('../../helpers/isNaN');
- // https://262.ecma-international.org/11.0/#sec-numeric-types-number-lessThan
- module.exports = function NumberLessThan(x, y) {
- if (typeof x !== 'number' || typeof y !== 'number') {
- throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
- }
- // If x is NaN, return undefined.
- // If y is NaN, return undefined.
- if (isNaN(x) || isNaN(y)) {
- return void undefined;
- }
- // shortcut for the actual spec mechanics
- return x < y;
- };
|