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asynckit

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asynckit

Minimal async jobs utility library, with streams support

  • 0.4.0
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What is asynckit?

The asynckit npm package provides a minimalistic asynchronous control flow kit that offers a set of utilities for working with asynchronous operations in Node.js. It allows for sequential and parallel execution of asynchronous functions, as well as other utilities for handling streams and iterable collections.

What are asynckit's main functionalities?

Serial execution of async tasks

Executes an array of async tasks one after another. Each task is started only after the preceding task has completed. The results are collected in an array that is passed to the final callback.

const asyncKit = require('asynckit');
const fs = require('fs');

asyncKit.serial([
  callback => fs.readFile('file1.txt', 'utf8', callback),
  callback => fs.readFile('file2.txt', 'utf8', callback)
], (err, results) => {
  if (err) throw err;
  console.log(results); // results is an array of the contents of the two files
});

Parallel execution of async tasks

Executes an array of async tasks in parallel. All tasks are started at the same time, and the final callback is called when all tasks have completed. The results are collected in an array.

const asyncKit = require('asynckit');
const fs = require('fs');

asyncKit.parallel([
  callback => fs.readFile('file1.txt', 'utf8', callback),
  callback => fs.readFile('file2.txt', 'utf8', callback)
], (err, results) => {
  if (err) throw err;
  console.log(results); // results is an array of the contents of the two files
});

Stream processing

Provides a way to pipe data from a readable stream to a writable stream with the ability to handle errors that may occur during the streaming process.

const asyncKit = require('asynckit');
const stream = require('stream');

const readable = new stream.Readable();
const writable = new stream.Writable();

// Implement _read and _write methods for the streams
// ...

asyncKit.stream(readable, writable, (err) => {
  if (err) throw err;
  console.log('Stream processing complete');
});

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Package last updated on 14 Jun 2016

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