//indexOfSubarray.js
/*global adventurejs A*/

/**
 * Determine if one array is nested in another.
 * @method adventurejs#indexOfSubarray
 * @memberOf adventurejs
 * @param {Array} sub 0=log, 1=warn, 2=error
 * @param {Array} arr 0=critical, 1=high, 2=medium, 3=low
 * @returns {int}
 */
adventurejs.indexOfSubarray = function Adventurejs_indexOfSubarray(sub, arr) {
  var index = -1;
  var subJson = JSON.stringify(sub);
  if (false === Array.isArray(sub) || false === Array.isArray(arr)) {
    return index;
  }
  for (var i = 0; i < arr.length; i++) {
    if (subJson === JSON.stringify(arr[i])) {
      index = i;
      break;
    }
  }
  return index;
};