|  | /** | 
|  | * The base implementation of `_.findIndex` and `_.findLastIndex` without | 
|  | * support for iteratee shorthands. | 
|  | * | 
|  | * @private | 
|  | * @param {Array} array The array to inspect. | 
|  | * @param {Function} predicate The function invoked per iteration. | 
|  | * @param {number} fromIndex The index to search from. | 
|  | * @param {boolean} [fromRight] Specify iterating from right to left. | 
|  | * @returns {number} Returns the index of the matched value, else `-1`. | 
|  | */ | 
|  | function baseFindIndex(array, predicate, fromIndex, fromRight) { | 
|  | var length = array.length, | 
|  | index = fromIndex + (fromRight ? 1 : -1); | 
|  |  | 
|  | while ((fromRight ? index-- : ++index < length)) { | 
|  | if (predicate(array[index], index, array)) { | 
|  | return index; | 
|  | } | 
|  | } | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | module.exports = baseFindIndex; |