Function onData

src/main.tsx:866–868

(chunk: string)

    process.stdin.setEncoding('utf8');
    let data = '';
    const onData = (chunk: string) => {
      data += chunk;
    };
    process.stdin.on('data', onData);
    // If no data arrives in 3s, stop waiting and warn. Stdin is likely an
    // inherited pipe from a parent that isn't writing (subprocess spawned