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29 lines
889 B
29 lines
889 B
/** |
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* Copyright 2013-2015, Facebook, Inc. |
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* All rights reserved. |
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* |
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* This source code is licensed under the BSD-style license found in the |
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* LICENSE file in the root directory of this source tree. An additional grant |
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* of patent rights can be found in the PATENTS file in the same directory. |
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* |
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* @providesModule forEachAccumulated |
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*/ |
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'use strict'; |
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/** |
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* @param {array} an "accumulation" of items which is either an Array or |
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* a single item. Useful when paired with the `accumulate` module. This is a |
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* simple utility that allows us to reason about a collection of items, but |
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* handling the case when there is exactly one item (and we do not need to |
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* allocate an array). |
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*/ |
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var forEachAccumulated = function(arr, cb, scope) { |
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if (Array.isArray(arr)) { |
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arr.forEach(cb, scope); |
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} else if (arr) { |
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cb.call(scope, arr); |
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} |
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}; |
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module.exports = forEachAccumulated;
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