createFindIndex.js
614 Bytes
define(['./baseCallback', './baseFindIndex'], function(baseCallback, baseFindIndex) {
/**
* Creates a `_.findIndex` or `_.findLastIndex` function.
*
* @private
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Function} Returns the new find function.
*/
function createFindIndex(fromRight) {
return function(array, predicate, thisArg) {
if (!(array && array.length)) {
return -1;
}
predicate = baseCallback(predicate, thisArg, 3);
return baseFindIndex(array, predicate, fromRight);
};
}
return createFindIndex;
});