58f8093689
- Updated all component headers and documentation
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45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
import baseFindKey from './_baseFindKey.js';
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import baseForOwnRight from './_baseForOwnRight.js';
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import baseIteratee from './_baseIteratee.js';
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/**
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* This method is like `_.findKey` except that it iterates over elements of
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* a collection in the opposite order.
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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 Object
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* @param {Object} object The object to inspect.
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* @param {Function} [predicate=_.identity] The function invoked per iteration.
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* @returns {string|undefined} Returns the key of the matched element,
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* else `undefined`.
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* @example
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*
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* var users = {
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* 'barney': { 'age': 36, 'active': true },
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* 'fred': { 'age': 40, 'active': false },
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* 'pebbles': { 'age': 1, 'active': true }
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* };
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*
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* _.findLastKey(users, function(o) { return o.age < 40; });
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* // => returns 'pebbles' assuming `_.findKey` returns 'barney'
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*
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* // The `_.matches` iteratee shorthand.
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* _.findLastKey(users, { 'age': 36, 'active': true });
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* // => 'barney'
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*
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* // The `_.matchesProperty` iteratee shorthand.
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* _.findLastKey(users, ['active', false]);
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* // => 'fred'
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*
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* // The `_.property` iteratee shorthand.
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* _.findLastKey(users, 'active');
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* // => 'pebbles'
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*/
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function findLastKey(object, predicate) {
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return baseFindKey(object, baseIteratee(predicate, 3), baseForOwnRight);
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}
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export default findLastKey;
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