Method register

src/invoker.ts:93–128

* Registers handlers for uncaught exceptions and other unhandled errors.

()

   * Registers handlers for uncaught exceptions and other unhandled errors.
   */
  register() {
    process.on('uncaughtException', err => {
      console.error('Uncaught exception');
      sendCrashResponse({err, res: latestRes, callback: killInstance});
    });

    process.on('unhandledRejection', err => {
      console.error('Unhandled rejection');
      sendCrashResponse({err, res: latestRes, callback: killInstance});
    });

    process.on('exit', (code: number | string) => {
      if (typeof code === 'string') {
        code = parseInt(code);
      }
      sendCrashResponse({
        err: new Error(`Process exited with code ${code}`),
        res: latestRes,
        silent: code === 0,
      });
    });

    ['SIGINT', 'SIGTERM'].forEach(signal => {
      process.on(signal as NodeJS.Signals, () => {
        sendCrashResponse({
          err: new Error(`Received ${signal}`),
          res: latestRes,
          silent: true,
          callback: () => {
            // eslint-disable-next-line no-process-exit
            process.exit();
          },
        });
      });
    });
  }
}