Method onData

packages/computerd/src/exec/runner.ts:169–174

(name: "stdout" | "stderr")

    this.records.set(id, record);

    const onData = (name: "stdout" | "stderr") => (chunk: Buffer) => {
      const value = new Uint8Array(chunk);
      const seq = log.append(name, value);
      record.lastOutputAt = this.opts.now();
      record.subscriber?.enqueue({ id, seq, name, value });
    };
    child.stdout?.on("data", onData("stdout"));
    child.stderr?.on("data", onData("stderr"));