@jovian/type-tools/nodejs/workers/shell.passthru.worker.ts

TypeTools is a Typescript library for providing extensible tooling runtime validations and type helpers.

// /*
//  * Copyright 2014-2021 Jovian, all rights reserved.
//  */
// import * as os from 'os';
// import { AsyncWorkerClient, AsyncWorkerExecutor, startWorker } from '../proc/async.worker.proc';

// const yargs = require('yargs/yargs');
// const { hideBin } = require('yargs/helpers');
// const pty = require('node-pty');
// // const keypress = require('keypress');

// const thisWorkerFile = __filename;

// export class ShellPassthruWorkerClient extends AsyncWorkerClient {
//   static workerFile = thisWorkerFile;
//   constructor(workerData: any) {
//     super(workerData, { workerFile: ShellPassthruWorkerClient.workerFile });
//     this.setDefaultHandler('$outputData', message => {
//       this.ixRx<string>('output').next(message);
//     });
//     this.setDefaultHandler('$sessionClose', () => {
//       this.ixRx<null>('sessionClose').next(null);
//     });
//   }
//   get output$() { return this.ixRx<string>('output').obs(); }
//   get close$() { return this.ixRx<string>('sessionClose').obs(); }
//   resize(col: number, row: number) {
//     return this.call<{col: number, row: number}, void>(`resize`, JSON.stringify({ col, row }));
//   }
//   inputData(input: string) { return this.call<string>(`inputData`, input, r => r); }
// }

// export class ShellPassthruWorkerLogic extends AsyncWorkerExecutor {
//   signingKey: Buffer;
//   ptyProcess: any;
//   constructor(workerData: any) {
//     super(workerData);
//     this.setUpShellPassthru();
//     this.setAsReady();
//   }
//   setUpShellPassthru() {
//     // const argv = yargs(hideBin(process.argv)).argv;
//     const shell = os.platform() === 'win32' ? 'powershell.exe' : 'bash';
//     let exited = false;
//     this.ptyProcess = pty.spawn(shell, [], {
//       name: 'xterm-color',
//       cols: process.stdout.columns,
//       rows: process.stdout.rows,
//       cwd: process.env.HOME,
//       env: process.env
//     });
//     this.ptyProcess.on('data', data => {
//       if (exited) { return; }
//       this.returnCall('$outputData', data);
//     });
//     this.ptyProcess.on('close', () => {
//       this.returnCall('$sessionClose');
//       exited = true;
//     });
//   }
//   outputData(data: string) {
//     this.returnCall('$outputData', data);
//   }
//   async handleAction(callId: string, action: string, payload?: string) {
//     switch (action) {
//       case 'inputData':
//         this.ptyProcess.write(Buffer.from(payload, 'base64'));
//         this.returnCall(callId, 'ACK');
//         break;
//       case 'resize':
//         const spec: { col: number; row: number } = JSON.parse(payload);
//         this.ptyProcess.resize(spec.col, spec.row);
//         this.returnCall(callId, 'ACK');
//         break;
//     }
//   }
// }

// startWorker(thisWorkerFile, ShellPassthruWorkerLogic);