BJ_web_developers / dyitoc

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node_modules/es5-ext/object/ensure-natural-number-value.js 312 Bytes
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aaac7fed   liuqimichale   add 
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  "use strict";
  
  var isNaturalValue = require("./is-natural-number-value")
    , toShortString  = require("../to-short-string-representation");
  
  module.exports = function (arg) {
  	var num = Number(arg);
  	if (!isNaturalValue(arg)) throw new TypeError(toShortString(arg) + " is not a natural number");
  	return num;
  };