How to use

bind

function

in

1/process

/**
 * Exit the app with a prompt
 * @param {message} message - The message to display
 */
function exit(message) {
  console.log(message);
  console.log('Press any key to exit');
  process.stdin.setRawMode(true);
  process.stdin.resume();
  process.stdin.on('data', process.exit.bind(process, 0));
}

// Send event from child to parent process
const sendEventToParent = async function(callId, payload) {
 await promisify(process.send.bind(process))([callId, payload])
}

 this._runScript = runScript.bind(null,
  options.script,
  options.scriptArgs,
  options.host,
  options.port,
  this.childPrint.bind(this));
} else {
 this._runScript =
process.once('SIGTERM', process.exit.bind(process, 0));
process.once('SIGHUP', process.exit.bind(process, 0));