1var baseIteratee = require('./_baseIteratee'),
2    baseSortedUniq = require('./_baseSortedUniq');
3
4/**
5 * This method is like `_.uniqBy` except that it's designed and optimized
6 * for sorted arrays.
7 *
8 * @static
9 * @memberOf _
10 * @since 4.0.0
11 * @category Array
12 * @param {Array} array The array to inspect.
13 * @param {Function} [iteratee] The iteratee invoked per element.
14 * @returns {Array} Returns the new duplicate free array.
15 * @example
16 *
17 * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
18 * // => [1.1, 2.3]
19 */
20function sortedUniqBy(array, iteratee) {
21  return (array && array.length)
22    ? baseSortedUniq(array, baseIteratee(iteratee, 2))
23    : [];
24}
25
26module.exports = sortedUniqBy;
27