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31 lines
863 B
31 lines
863 B
/** |
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* Copyright (c) 2013-present, Facebook, Inc. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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* |
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*/ |
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'use strict'; |
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var ReactChildren = require('./ReactChildren'); |
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/** |
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* Slice children that are typically specified as `props.children`. This version |
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* of slice children ignores empty child components. |
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* |
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* @param {*} children The children set to filter. |
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* @param {number} start The first zero-based index to include in the subset. |
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* @param {?number} end The non-inclusive last index of the subset. |
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* @return {object} mirrored array with mapped children |
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*/ |
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function sliceChildren(children, start, end) { |
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if (children == null) { |
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return children; |
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} |
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var array = ReactChildren.toArray(children); |
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return array.slice(start, end); |
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} |
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module.exports = sliceChildren; |