diff options
author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/fbjs/lib/partitionArray.js.flow | |
parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) |
node_modules
Diffstat (limited to 'node_modules/fbjs/lib/partitionArray.js.flow')
-rw-r--r-- | node_modules/fbjs/lib/partitionArray.js.flow | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/partitionArray.js.flow b/node_modules/fbjs/lib/partitionArray.js.flow new file mode 100644 index 000000000..0b7d5fa03 --- /dev/null +++ b/node_modules/fbjs/lib/partitionArray.js.flow @@ -0,0 +1,32 @@ +/** + * Copyright (c) 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. + * + * @providesModule partitionArray + * @typechecks + * @flow + */ + +/** + * Partitions an array given a predicate. All elements satisfying the predicate + * are part of the first returned array, and all elements that don't are in the + * second. + */ +function partitionArray<Tv>(array: Array<Tv>, predicate: (value: Tv, index: number, array: Array<Tv>) => boolean, context?: any): [Array<Tv>, Array<Tv>] { + var first = []; + var second = []; + array.forEach((element, index) => { + if (predicate.call(context, element, index, array)) { + first.push(element); + } else { + second.push(element); + } + }); + return [first, second]; +} + +module.exports = partitionArray;
\ No newline at end of file |