https://github.com/vilicvane/rxjs-branch

Branch operator for RxJS.
https://github.com/vilicvane/rxjs-branch

rxjs

Last synced: 4 months ago
JSON representation

Branch operator for RxJS.

• Host: GitHub
• URL: https://github.com/vilicvane/rxjs-branch
• Owner: vilicvane
• License: mit
• Created: 2024-03-10T16:14:31.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-03-11T21:52:58.000Z (over 1 year ago)
• Last Synced: 2025-03-24T00:54:54.537Z (4 months ago)
• Topics: rxjs
• Language: TypeScript
• Homepage:
• Size: 69.3 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# Branch Operator for RxJS

## Installation

```sh

npm install rxjs-branch

```

## Usage

```ts

const branches = await firstValueFrom(

  range(0, 10).pipe(

    branch(

      value => value % 2 === 0,

      (state, value) => state,

    ),

    mergeMap(value$ =>

      value$.pipe(

        map(([state, value]) => value),

        toArray(),

      ),

    ),

    toArray(),

  ),

);

expect(branches).toEqual([

  [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],

  [2, 3, 4, 5, 6, 7, 8, 9],

  [4, 5, 6, 7, 8, 9],

  [6, 7, 8, 9],

  [8, 9],

]);

```

## License

MIT License.