Function tick

__tests__/mcp-roots.test.ts:59–66

()

  return new Promise((resolve, reject) => {
    const started = Date.now();
    const tick = () => {
      const hit = messages.find(predicate);
      if (hit) return resolve(hit);
      if (Date.now() - started > timeoutMs) {
        return reject(new Error(`Timed out. Messages so far: ${JSON.stringify(messages)}`));
      }
      setTimeout(tick, 20);
    };
    tick();
  });
}