Function waitForChildClose

packages/cli/src/commands/preview.ts:712–716

(child: StudioChildProcess)

}

function waitForChildClose(child: StudioChildProcess): Promise<void> {
  return new Promise<void>((resolveClose) => {
    child.on("close", () => resolveClose());
  });
}

function attachStudioReadyHandler(
  child: StudioChildProcess,