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51 lines
1.6 KiB
51 lines
1.6 KiB
import arraySome from './_arraySome.js'; |
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import baseIteratee from './_baseIteratee.js'; |
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import baseSome from './_baseSome.js'; |
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import isArray from './isArray.js'; |
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import isIterateeCall from './_isIterateeCall.js'; |
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/** |
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* Checks if `predicate` returns truthy for **any** element of `collection`. |
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* Iteration is stopped once `predicate` returns truthy. The predicate is |
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* invoked with three 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 iterate over. |
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* @param {Function} [predicate=_.identity] The function invoked per iteration. |
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* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. |
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* @returns {boolean} Returns `true` if any element passes the predicate check, |
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* else `false`. |
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* @example |
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* |
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* _.some([null, 0, 'yes', false], Boolean); |
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* // => true |
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* |
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* var users = [ |
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* { 'user': 'barney', 'active': true }, |
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* { 'user': 'fred', 'active': false } |
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* ]; |
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* |
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* // The `_.matches` iteratee shorthand. |
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* _.some(users, { 'user': 'barney', 'active': false }); |
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* // => false |
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* |
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* // The `_.matchesProperty` iteratee shorthand. |
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* _.some(users, ['active', false]); |
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* // => true |
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* |
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* // The `_.property` iteratee shorthand. |
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* _.some(users, 'active'); |
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* // => true |
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*/ |
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function some(collection, predicate, guard) { |
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var func = isArray(collection) ? arraySome : baseSome; |
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if (guard && isIterateeCall(collection, predicate, guard)) { |
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predicate = undefined; |
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} |
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return func(collection, baseIteratee(predicate, 3)); |
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} |
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export default some;
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