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Diffstat (limited to 'node_modules/react/lib/sliceChildren.js')
-rw-r--r-- | node_modules/react/lib/sliceChildren.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/node_modules/react/lib/sliceChildren.js b/node_modules/react/lib/sliceChildren.js new file mode 100644 index 000000000..dc5511888 --- /dev/null +++ b/node_modules/react/lib/sliceChildren.js @@ -0,0 +1,33 @@ +/** + * Copyright 2013-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + */ + +'use strict'; + +var ReactChildren = require('./ReactChildren'); + +/** + * Slice children that are typically specified as `props.children`. This version + * of slice children ignores empty child components. + * + * @param {*} children The children set to filter. + * @param {number} start The first zero-based index to include in the subset. + * @param {?number} end The non-inclusive last index of the subset. + * @return {object} mirrored array with mapped children + */ +function sliceChildren(children, start, end) { + if (children == null) { + return children; + } + + var array = ReactChildren.toArray(children); + return array.slice(start, end); +} + +module.exports = sliceChildren;
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