"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});
/**
 * @module generators
 */

/**
 * Generate a random code with the specified size
 *
 * @param {Number} size
 * @param {String=} characters
 * @return {Map}
 */
var randomCode = function randomCode(size, characters) {
    characters = (characters || "abcdefghijklmnopqrstuvwxyz0123456789").split("").sort(function () {
        return 0.5 - Math.random();
    }); // shuffle

    var finalWord = "",
        lastChar = "",
        charBeforeLast = "";
    var i = 0,
        length = characters.length,
        ch;
    while (i++ < size) {
        do {
            ch = characters[Math.floor(Math.random() * length)];
        } while (ch === lastChar || ch === charBeforeLast);
        charBeforeLast = lastChar;
        finalWord += lastChar = ch;
    }
    return finalWord;
};
exports.randomCode = randomCode;
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