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findLast.js
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import baseEachRight from './internal/baseEachRight';
import baseFind from './internal/baseFind';
import baseFindIndex from './internal/baseFindIndex';
import baseIteratee from './internal/baseIteratee';
import isArray from './isArray';
/**
* This method is like `_.find` except that it iterates over elements of
* `collection` from right to left.
*
* @static
* @memberOf _
* @category Collection
* @param {Array|Object} collection The collection to search.
* @param {Function|Object|string} [predicate=_.identity] The function invoked per iteration.
* @returns {*} Returns the matched element, else `undefined`.
* @example
*
* _.findLast([1, 2, 3, 4], function(n) {
* return n % 2 == 1;
* });
* // => 3
*/
function findLast(collection, predicate) {
predicate = baseIteratee(predicate, 3);
if (isArray(collection)) {
var index = baseFindIndex(collection, predicate, true);
return index > -1 ? collection[index] : undefined;
}
return baseFind(collection, predicate, baseEachRight);
}
export default findLast;