Function waitFor

packages/runtime/src/__tests__/runtime-kernel-interaction.test.ts:692–698

(predicate: () => boolean)

}

async function waitFor(predicate: () => boolean): Promise<void> {
  for (let attempt = 0; attempt < 50; attempt += 1) {
    if (predicate()) return;
    await new Promise<void>((resolve) => setImmediate(resolve));
  }
  assert.fail('condition was not met');
}

async function within<T>(promise: Promise<T>, operation: string): Promise<T> {
  let timeout: NodeJS.Timeout | undefined;