Features/ NodeJS support

[afrokick]

Test on: NodeJS 14

NOTE1: NodeJS works on this branch only! After release v2, it will be a part of peerjs.

NOTE2: node-fetch must be v2! because in v3 it is es module and it doesn't work for cjs.

---

Install required npm packages:

npm install peerjs node-fetch@2 ws wrtc filereader

Then, you should provide it via polyfills field in options.

index.js:

const { Peer } = require('peerjs');
const fetch = require('node-fetch');
const WebSocket = require('ws');
const WebRTC = require('wrtc');
const FileReader = require('filereader');

const polyfills = { fetch, WebSocket, WebRTC, FileReader };

const peer = new Peer({ polyfills, debug: 3 });

peer.on('open', id => {
  console.log('Server: peer id ', id);
  const peer2 = new Peer({ polyfills, debug: 3 });

  peer2.on('open', id2 => {
    console.log('Client: peer id ', id2);
    const conn = peer2.connect(id, { serialization: 'json' });

    conn.on('open', () => {
      console.log('Client: connection open');
      setInterval(() => {
        conn.send('hi!');
      }, 1000);

      conn.on('data', data => {
        console.log('Client: ', data);
      });
    });
  });
});

peer.on('connection', conn => {
  conn.on('data', data => {
    console.log('Server: ', data);

    conn.send(`now time is ${Date.now()}`);
  });

  conn.on('open', () => {
    conn.send('hello!');
  });
});

[matallui]

@afrokick can we somehow make this version work with react-native-webrtc as well? There was a react-native-peerjs package but hasn't been maintained for like 3 years, so I'm trying to figure out how I could create a fork that works.

Any guidance on how to achieve this would be much appreciated.

[jonasgloning]

Have a look at the diff @matallui.

react-native-webrtc should support UnifiedPlan and the track API in the meantime. Binarypack also should work. Maybe webrtc-adapter still has to be removed, but PeerJS will probably work with only react-native-webrtc shim imported and registerGlobals() called.

[matallui]

@jonasgloning thanks for the response. What I ended up doing was to copy peerjs's .ts source files into my RN app (which contains react-native-webrtc) and then made some small adjustments to the code to get it working and that worked for me.

I just needed a quick win cause I have a demo in a few days, but once I find the time I'd love to figure out a better way of maintaining a React Native PeerJS package.

Or better yet, I wonder if changes could be made to this repo to make it work in both the browser and RN. I feel like it wouldn't require a lot of changes to achieve that, but not sure.