Musique/node_modules/es5-ext/object/ensure-natural-number.js

10 lines
300 B
JavaScript

"use strict";
var isNatural = require("../number/is-natural")
, toShortString = require("../to-short-string-representation");
module.exports = function (arg) {
var num = Number(arg);
if (!isNatural(num)) throw new TypeError(toShortString(arg) + " is not a natural number");
return num;
};