https://github.com/zacharyl2/p-limiter

Zero dependency, lightweight concurrent Promise limiter
https://github.com/zacharyl2/p-limiter

Last synced: about 1 month ago
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Zero dependency, lightweight concurrent Promise limiter

• Host: GitHub
• URL: https://github.com/zacharyl2/p-limiter
• Owner: ZacharyL2
• License: mit
• Created: 2022-06-07T10:30:52.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2022-06-07T10:36:35.000Z (over 2 years ago)
• Last Synced: 2024-04-26T20:49:54.368Z (8 months ago)
• Language: TypeScript
• Size: 22.5 KB
• Stars: 3
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
# p-limiter

Zero dependency, lightweight concurrent Promise limiter

## Install

```bash

yarn add p-limiter

# or

pnpm add p-limiter

```

## Usage

```ts

import Limiter from 'p-limiter';

const limiter = new Limiter(3);

const mockPromise = (i: number) =>

  new Promise((resolve) => {

    console.log(

      `➕ Start Task${i} -`,

      `Active Count: ${limiter.activeCount}`,

      `Pending Count: ${limiter.pendingCount}`

    );

    setTimeout(() => {

      console.log(

        `✅ Complete Task${i} -`,

        `Active Count: ${limiter.activeCount}`,

        `Pending Count: ${limiter.pendingCount}`

      );

      resolve(i);

    }, i * 1000);

  });

(async () => {

  const results = await Promise.allSettled(

    [...new Array(6)].map((_, i) => limiter.limit(() => mockPromise(i)))

  );

  console.log('results: ', results);

})();

```

## License

[MIT License](./LICENSE)

## Related

- [p-limit](https://github.com/sindresorhus/p-limit) - Run multiple promise-returning & async functions with limited concurrency