tastypie/node_modules/mout/src/random/randString.js

Tastypie is a webservice API framework for Node.js based on Django's Tastypie Framework. It provides a convenient, yet powerful and highly customizable, abstraction for creating REST-style interfaces

define([
  '../lang/isNumber',
  '../lang/isString',
  './randInt'
], function (isNumber, isString, randInt) {

    var defaultDictionary = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";

    function randomString(length, dictionary) {
        if(!isNumber(length) || length <= 0) {
          length = 8;
        }

        if(!isString(dictionary) || dictionary.length < 1) {
          dictionary = defaultDictionary;
        }

        var result = '',
            domain = dictionary.length - 1;

        while(length--) {
          result += dictionary[randInt(0, domain)];
        }
        
        return result;
    }

    return randomString;
});