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35 lines
1.0 KiB
35 lines
1.0 KiB
var baseEachRight = require('./_baseEachRight'),
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baseFind = require('./_baseFind'),
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baseFindIndex = require('./_baseFindIndex'),
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baseIteratee = require('./_baseIteratee'),
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isArray = require('./isArray');
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/**
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* This method is like `_.find` except that it iterates over elements of
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* `collection` from right to left.
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*
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* @static
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* @memberOf _
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* @since 2.0.0
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* @category Collection
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* @param {Array|Object} collection The collection to search.
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* @param {Array|Function|Object|string} [predicate=_.identity]
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* The function invoked per iteration.
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* @returns {*} Returns the matched element, else `undefined`.
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* @example
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*
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* _.findLast([1, 2, 3, 4], function(n) {
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* return n % 2 == 1;
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* });
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* // => 3
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*/
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function findLast(collection, predicate) {
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predicate = baseIteratee(predicate, 3);
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if (isArray(collection)) {
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var index = baseFindIndex(collection, predicate, true);
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return index > -1 ? collection[index] : undefined;
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}
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return baseFind(collection, predicate, baseEachRight);
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}
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module.exports = findLast;
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