The defer-to-connect npm package allows you to defer actions until a socket connection is established. It provides hooks for different stages of a connection, such as 'lookup', 'connect', 'secureConnect', and 'close'. This can be useful for debugging, logging, or modifying the socket during its lifecycle.

What are defer-to-connect's main functionalities?

Defer actions until the socket connects

This feature allows you to execute code when the socket connects. In the provided code sample, a message is logged to the console once the socket connection is established.

const net = require('net');
const deferToConnect = require('defer-to-connect');

const socket = net.createConnection({ port: 80, host: 'example.com' });
deferToConnect(socket, (event) => {
  if (event === 'connect') {
    console.log('Socket connected!');
  }
});

Defer actions until the socket is secured

This feature allows you to execute code when a TLS socket is secured. In the provided code sample, a message is logged to the console once the TLS socket connection is secured.

const tls = require('tls');
const deferToConnect = require('defer-to-connect');

const socket = tls.connect({ port: 443, host: 'example.com' });
deferToConnect(socket, (event) => {
  if (event === 'secureConnect') {
    console.log('Socket secured!');
  }
});

Defer actions until the socket closes

This feature allows you to execute code when the socket closes. In the provided code sample, a message is logged to the console once the socket connection is closed.

const net = require('net');
const deferToConnect = require('defer-to-connect');

const socket = net.createConnection({ port: 80, host: 'example.com' });
deferToConnect(socket, (event) => {
  if (event === 'close') {
    console.log('Socket closed!');
  }
});

Other packages similar to defer-to-connect

Readme

Source

defer-to-connect

The safe way to handle the connect socket event

Once you receive the socket, it may be already connected.
To avoid checking that, use defer-to-connect. It'll do that for you.

Usage

const deferToConnect = require('defer-to-connect');

deferToConnect(socket, () => {
    console.log('Connected!');
});

API

deferToConnect(socket, fn)

Calls fn() when connected.

License

MIT

Keywords

FAQs

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Last updated on 18 Jan 2019

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