Handling Keypresses and Forwarding to Child Processes in Effect CLI Application

const command = Command.make(
  "pnpm",
  "tsx",
  "--env-file",
  envFilePath,
  mainFile
).pipe(
  Command.stdout("inherit"),
  Command.stderr("inherit"),
  Command.workingDirectory(cwd)
);

const exerciseProcessFork = yield* Effect.fork(
  Command.exitCode(command)
);

const keyListenerFork = yield* Effect.fork(
  Effect.gen(function* () {
    const terminal = yield* Terminal.Terminal;
    const mailbox = yield* terminal.readInput;
    while (true) {
      const { key } = yield* mailbox.take;
      if (
        (key.name === "c" && (key.ctrl || key.meta)) ||
        key.name === "q"
      ) {
        yield* Console.log("Interrupting exercise process");
        yield* Fiber.interrupt(exerciseProcessFork);

        break;
      }
    }
  }).pipe(Effect.scoped)
);