/*!
 * lunr.tokenizer
 * Copyright (C) @YEAR Oliver Nightingale
 */

/**
 * A function for splitting a string into tokens ready to be inserted into
 * the search index.
 *
 * @module
 * @param {String} obj The string to convert into tokens
 * @returns {Array}
 */
lunr.tokenizer = function (obj) {
  if (!arguments.length || obj == null || obj == undefined) return []
  if (Array.isArray(obj)) return obj.map(function (t) { return t.toLowerCase() })

  return obj.toString().trim().toLowerCase().split(/[\s\-]+/)
}