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43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
6 years ago
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var createFind = require('./_createFind'),
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findIndex = require('./findIndex');
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/**
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* Iterates over elements of `collection`, returning the first element
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* `predicate` returns truthy for. The predicate is invoked with three
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* arguments: (value, index|key, collection).
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Collection
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* @param {Array|Object} collection The collection to inspect.
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* @param {Function} [predicate=_.identity] The function invoked per iteration.
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* @param {number} [fromIndex=0] The index to search from.
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* @returns {*} Returns the matched element, else `undefined`.
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* @example
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*
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* var users = [
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* { 'user': 'barney', 'age': 36, 'active': true },
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* { 'user': 'fred', 'age': 40, 'active': false },
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* { 'user': 'pebbles', 'age': 1, 'active': true }
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* ];
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*
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* _.find(users, function(o) { return o.age < 40; });
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* // => object for 'barney'
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*
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* // The `_.matches` iteratee shorthand.
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* _.find(users, { 'age': 1, 'active': true });
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* // => object for 'pebbles'
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*
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* // The `_.matchesProperty` iteratee shorthand.
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* _.find(users, ['active', false]);
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* // => object for 'fred'
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*
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* // The `_.property` iteratee shorthand.
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* _.find(users, 'active');
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* // => object for 'barney'
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*/
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var find = createFind(findIndex);
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module.exports = find;
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