node-peerjs-client/header_patch.js

const wrtc = require('wrtc');
RTCPeerConnection = wrtc.RTCPeerConnection;
RTCIceCandidate = wrtc.RTCIceCandidate;
RTCSessionDescription = wrtc.RTCSessionDescription;

fetch = require('node-fetch');
WebSocket = require('ws');
FileReader = require('filereader');