root / HServer / 00.Server / 00.Program / node_modules / lodash / find.js
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1 | 39 | HKM | var createFind = require('./_createFind'), |
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2 | findIndex = require('./findIndex');
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3 | |||
4 | /**
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5 | * Iterates over elements of `collection`, returning the first element
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6 | * `predicate` returns truthy for. The predicate is invoked with three
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7 | * arguments: (value, index|key, collection).
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8 | *
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9 | * @static
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10 | * @memberOf _
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11 | * @since 0.1.0
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12 | * @category Collection
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13 | * @param {Array|Object} collection The collection to inspect.
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14 | * @param {Function} [predicate=_.identity] The function invoked per iteration.
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15 | * @param {number} [fromIndex=0] The index to search from.
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16 | * @returns {*} Returns the matched element, else `undefined`.
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17 | * @example
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18 | *
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19 | * var users = [
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20 | * { 'user': 'barney', 'age': 36, 'active': true },
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21 | * { 'user': 'fred', 'age': 40, 'active': false },
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22 | * { 'user': 'pebbles', 'age': 1, 'active': true }
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23 | * ];
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24 | *
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25 | * _.find(users, function(o) { return o.age < 40; });
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26 | * // => object for 'barney'
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27 | *
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28 | * // The `_.matches` iteratee shorthand.
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29 | * _.find(users, { 'age': 1, 'active': true });
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30 | * // => object for 'pebbles'
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31 | *
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32 | * // The `_.matchesProperty` iteratee shorthand.
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33 | * _.find(users, ['active', false]);
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34 | * // => object for 'fred'
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35 | *
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36 | * // The `_.property` iteratee shorthand.
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37 | * _.find(users, 'active');
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38 | * // => object for 'barney'
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39 | */
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40 | var find = createFind(findIndex);
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41 | |||
42 | module.exports = find; |