[6a3a178] | 1 | var arraySome = require('./_arraySome'),
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| 2 | baseIteratee = require('./_baseIteratee'),
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| 3 | baseSome = require('./_baseSome'),
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| 4 | isArray = require('./isArray'),
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| 5 | isIterateeCall = require('./_isIterateeCall');
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| 6 |
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| 7 | /**
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| 8 | * Checks if `predicate` returns truthy for **any** element of `collection`.
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| 9 | * Iteration is stopped once `predicate` returns truthy. The predicate is
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| 10 | * invoked with three arguments: (value, index|key, collection).
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| 11 | *
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| 12 | * @static
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| 13 | * @memberOf _
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| 14 | * @since 0.1.0
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| 15 | * @category Collection
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| 16 | * @param {Array|Object} collection The collection to iterate over.
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| 17 | * @param {Function} [predicate=_.identity] The function invoked per iteration.
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| 18 | * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
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| 19 | * @returns {boolean} Returns `true` if any element passes the predicate check,
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| 20 | * else `false`.
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| 21 | * @example
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| 22 | *
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| 23 | * _.some([null, 0, 'yes', false], Boolean);
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| 24 | * // => true
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| 25 | *
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| 26 | * var users = [
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| 27 | * { 'user': 'barney', 'active': true },
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| 28 | * { 'user': 'fred', 'active': false }
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| 29 | * ];
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| 30 | *
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| 31 | * // The `_.matches` iteratee shorthand.
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| 32 | * _.some(users, { 'user': 'barney', 'active': false });
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| 33 | * // => false
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| 34 | *
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| 35 | * // The `_.matchesProperty` iteratee shorthand.
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| 36 | * _.some(users, ['active', false]);
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| 37 | * // => true
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| 38 | *
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| 39 | * // The `_.property` iteratee shorthand.
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| 40 | * _.some(users, 'active');
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| 41 | * // => true
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| 42 | */
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| 43 | function some(collection, predicate, guard) {
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| 44 | var func = isArray(collection) ? arraySome : baseSome;
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| 45 | if (guard && isIterateeCall(collection, predicate, guard)) {
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| 46 | predicate = undefined;
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| 47 | }
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| 48 | return func(collection, baseIteratee(predicate, 3));
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| 49 | }
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| 50 |
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| 51 | module.exports = some;
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