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parallel-promises

v1.6.15

Published

Promise.all() with concurrency limit

Downloads

496

Readme

ParallelPromises

Actions Status Coverage Status npm version License: MIT

ParallelPromises is an NPM package implemented in Typescript for executing a set of Promises with a given concurrency limit.

This project is inspired by https://itnext.io/node-js-handling-asynchronous-operations-in-parallel-69679dfae3fc

Table of Contents

Installation

Install it on your project

npm install --save parallel-promises

Usage

Usage with Typescript

import { customPromiseAll } from 'parallel-promises';

...

const concurrentLimit: number = 5;

const listOfPromises: ICustomPromise[] = [
      {
        name: 'GetSomething',
        function: this.operationWrapper.getSomethingFunction,
        thisArg: this.operationWrapper,
        args: ["firstParamForFunction",{ data: "Another param"}, ["more params..."]]
      },
      {
        name: 'CreateSomething',
        function: this.createSomething,
        thisArg: undefined,
        args: ["firstParamForFunction"]
      },
      {
        name: 'RefreshSomething',
        function: this.updateSomething,
      },
      ...
      ]

      customPromiseAll(listOfPromises, concurrentLimit).then((result: IAnyObject)=>{
          console.log(result);
          //{ GetSomething: { Response: ... }, CreateSomething: "{ Id: 8 }", RefreshSomething: "OK" , ...}
          ...
          // do whatever you want
      });

Usage with Javascript

const ParallelPromises = require('parallel-promises');

...

const concurrentLimit = 5;

const listOfPromises = [
      {
        name: 'GetSomething',
        function: this.operationWrapper.getSomethingFunction,
        thisArg: this.operationWrapper,
        args: ["firstParamForFunction",{ data: "Another param"}, ["more params..."]]
      },
      {
        name: 'CreateSomething',
        function: this.createSomething,
        thisArg: undefined,
        args: ["firstParamForFunction"]
      },
      {
        name: 'RefreshSomething',
        function: this.updateSomething,
      },
      ...
      ]

      ParallelPromises.customPromiseAll(listOfPromises, concurrentLimit).then((result)=>{
          console.log(result);
          //{ GetSomething: { Response: ... }, CreateSomething: "{ Id: 8 }", RefreshSomething: "OK" , ...}
          ...
          // do whatever you want
      });

Contributing

There is no plan regarding contributions in this project

Credits

This NPM package has been developed by:

Rafael Pernil Bronchalo - Developer

License

This project is licensed under the MIT License - see the LICENSE.md file for details