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- var baseSortedIndex = require('./_baseSortedIndex'),
- eq = require('./eq');
- /**
- * This method is like `_.lastIndexOf` except that it performs a binary
- * search on a sorted `array`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- * @example
- *
- * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
- * // => 3
- */
- function sortedLastIndexOf(array, value) {
- var length = array == null ? 0 : array.length;
- if (length) {
- var index = baseSortedIndex(array, value, true) - 1;
- if (eq(array[index], value)) {
- return index;
- }
- }
- return -1;
- }
- module.exports = sortedLastIndexOf;
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