Package Exports

limit-concurrency-decorator

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Readme

limit-concurrency-decorator

Decorator to limit concurrency of async functions

Similar to these libraries, but can be used as decorator:

Also similar to p-concurrency, but the limit can be enforced over multiple functions.

Install

Installation of the npm package:

> npm install --save limit-concurrency-decorator

Usage

Simply apply the decorator to a method:

import limit from 'limit-concurrency-decorator'

class HttpClient {
  @limit(2)
  get () {
    // ...
  }
}

const client = new HttpClient()

// these calls will run in parallel
client.get('http://example.net/')
client.get('http://example2.net/')

// this call will wait for the 2 previous to finish
client.get('http://example3.net/')

Or a simple function as a wrapper:

import httpRequest from 'http-request-plus'

const httpRequestLimited = limit(2)(httpRequest)

// these calls will run in parallel
httpRequestLimited('http://example.net/')
httpRequestLimited('http://example2.net/')

// this call will wait for the 2 previous to finish
httpRequestLimited('http://example3.net/')

The limit can be shared:

const myLimit = limit(2)

class HttpClient {
  @myLimit
  post () {
    // ...
  }

  @myLimit
  put () {
    // ...
  }
}

Development

# Install dependencies
> npm install

# Run the tests
> npm test

# Continuously compile
> npm run dev

# Continuously run the tests
> npm run dev-test

# Build for production (automatically called by npm install)
> npm run build

Contributions

Contributions are very welcomed, either on the documentation or on the code.

You may:

report any issue you've encountered;
fork and create a pull request.