Created
November 22, 2019 14:27
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React + Node.js Terminal emulation
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| import React from 'react'; | |
| import { Terminal } from 'xterm'; | |
| import PageBase from './pages/PageBase'; | |
| import openSocket from 'socket.io-client'; | |
| import { FitAddon } from 'xterm-addon-fit'; | |
| class ReactTerminal extends PageBase { | |
| constructor(props) { | |
| super(props); | |
| this.state = {}; | |
| this.serverUrl = 'localhost' | |
| } | |
| componentDidMount() { | |
| const term = new Terminal(); | |
| const fitAddon = new FitAddon(); | |
| term.loadAddon(fitAddon); | |
| term.open(document.getElementById('terminal')); | |
| let socket = openSocket('http://' + this.serverUrl + ':8080'); | |
| socket.on('output', data => { | |
| if (socket.connected) { | |
| term.write(data); | |
| } | |
| }); | |
| socket.on('connect', s => { | |
| term.write('\x1b[2K\r'); | |
| }); | |
| term.onData(data => { | |
| if (socket.connected) { | |
| if (data.charCodeAt(0) < 32 && data.charCodeAt(0) != 27 && data.charCodeAt(0) != 13) { | |
| console.log(data.charCodeAt(0)); | |
| } | |
| else { | |
| socket.emit("input", data); | |
| }; | |
| } else { | |
| term.write('\x1b[2K\r'); | |
| term.write('\x1B[1;3;31mConnection Error!\x1B[0m'); | |
| } | |
| }); | |
| } | |
| render() { | |
| return ( | |
| <div id="terminal"></div> | |
| ) | |
| } | |
| } | |
| export default ReactTerminal |
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| const express = require('express'); | |
| const https = require('https'); | |
| const http = require('http'); | |
| const fs = require('fs'); | |
| const pty = require('node-pty'); | |
| const os = require('os'); | |
| let app = express(); | |
| app.use("/", express.static("./")); | |
| let server = http.createServer(app).listen(8080); | |
| let io = require('socket.io')(server); | |
| // cross platform work | |
| let shell = os.platform() === "win32" ? 'powershell.exe' : 'bash'; | |
| io.on('connection', function (socket) { | |
| let term = pty.spawn(shell, [], { | |
| name: 'xterm-color', | |
| cols: 80, | |
| rows: 30, | |
| cwd: process.env.HOME, | |
| env: process.env, | |
| }); | |
| term.on('data', function (data) { | |
| term.write(data) | |
| socket.emit('output', data); | |
| }); | |
| socket.on('input', function (data) { | |
| let authenticated = false | |
| term.write(data); | |
| }); | |
| socket.on('disconnect', function () { | |
| term.destroy(); | |
| console.log("Terminal destroyed"); | |
| }); | |
| }); |
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