//arrayToLowerCase.js
/*global adventurejs A*/

/**
 * Takes an array of strings, converts them to lowercase, and returns the array.
 * @method adventurejs#arrayToLowerCase
 * @memberOf adventurejs
 * @param {Array} array
 * @returns {Array}
 */
adventurejs.arrayToLowerCase = function Adventurejs_arrayToLowerCase(array) {
  if (!Array.isArray(array)) {
    console.warn(
      "arrayToLowerCase.js received something that's not an array. "
    );
    return false;
  }
  for (var item in array) {
    if ("string" === typeof array[item]) {
      array[item] = array[item].toLowerCase();
    }
  }
  return array;
};