lodash/sortedUniqBy.js

define(['./_baseIteratee', './_baseSortedUniqBy'], function(baseIteratee, baseSortedUniqBy) {

  /**
   * This method is like `_.uniqBy` except that it's designed and optimized
   * for sorted arrays.
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Array
   * @param {Array} array The array to inspect.
   * @param {Function} [iteratee] The iteratee invoked per element.
   * @returns {Array} Returns the new duplicate free array.
   * @example
   *
   * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
   * // => [1.1, 2.3]
   */
  function sortedUniqBy(array, iteratee) {
    return (array && array.length)
      ? baseSortedUniqBy(array, baseIteratee(iteratee))
      : [];
  }

  return sortedUniqBy;
});