30 lines
638 B
JavaScript
30 lines
638 B
JavaScript
/**
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* Copyright (c) 2015-present, 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 isEmpty
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*/
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'use strict';
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/**
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* Mimics empty from PHP.
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*/
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function isEmpty(obj) {
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if (Array.isArray(obj)) {
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return obj.length === 0;
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} else if (typeof obj === 'object') {
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for (var i in obj) {
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return false;
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}
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return true;
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} else {
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return !obj;
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}
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}
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module.exports = isEmpty;
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