33 lines
985 B
JavaScript
33 lines
985 B
JavaScript
/**
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* Copyright 2013-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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*/
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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; |