lodash/internal/createCompounder.js

define(['../string/deburr', '../string/words'], function(deburr, words) {

  /**
   * Creates a function that produces compound words out of the words in a
   * given string.
   *
   * @private
   * @param {Function} callback The function to combine each word.
   * @returns {Function} Returns the new compounder function.
   */
  function createCompounder(callback) {
    return function(string) {
      var index = -1,
          array = words(deburr(string)),
          length = array.length,
          result = '';

      while (++index < length) {
        result = callback(result, array[index], index);
      }
      return result;
    };
  }

  return createCompounder;
});