time-to-botec

Benchmark sampling in different programming languages
Log | Files | Refs | README

sortedLastIndexOf.js (770B)

      1 var baseSortedIndex = require('./_baseSortedIndex'),
      2     eq = require('./eq');
      3 
      4 /**
      5  * This method is like `_.lastIndexOf` except that it performs a binary
      6  * search on a sorted `array`.
      7  *
      8  * @static
      9  * @memberOf _
     10  * @since 4.0.0
     11  * @category Array
     12  * @param {Array} array The array to inspect.
     13  * @param {*} value The value to search for.
     14  * @returns {number} Returns the index of the matched value, else `-1`.
     15  * @example
     16  *
     17  * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
     18  * // => 3
     19  */
     20 function sortedLastIndexOf(array, value) {
     21   var length = array == null ? 0 : array.length;
     22   if (length) {
     23     var index = baseSortedIndex(array, value, true) - 1;
     24     if (eq(array[index], value)) {
     25       return index;
     26     }
     27   }
     28   return -1;
     29 }
     30 
     31 module.exports = sortedLastIndexOf;