termcap/electron/preload.js

const { contextBridge, ipcRenderer } = require('electron');
const { Client } = require('ssh2')
const Conn = new Client()

contextBridge.exposeInMainWorld('$electron', {
  send: (event, args) => ipcRenderer.send('signal', event, args),
  once: (event, callBack) => ipcRenderer.once(event, (_, args) => callBack(args)),
  on: (event, callBack) => ipcRenderer.on(event, (_, args) => callBack(args))
})

contextBridge.exposeInMainWorld('$ssh', {
  connect: (args) => Conn.connect(args),
  on: (event, callBack) => Conn.on(event, callBack),
  shell: (callBack) => Conn.shell((err, stream) => callBack(err, { on: (event, back) => stream.on(event, args => back(args.toString())), end: (args) => stream.end(args) })),
  end: () => Conn.end()
})