Function registerChildTreeShutdown

packages/cli/src/commands/preview.ts:704–710

(child: StudioChildProcess)

}

function registerChildTreeShutdown(child: StudioChildProcess): void {
  const shutdown = (): void => {
    if (child.pid) killProcessTree(child.pid);
  };
  process.once("SIGINT", shutdown);
  process.once("SIGTERM", shutdown);
}

function waitForChildClose(child: StudioChildProcess): Promise<void> {
  return new Promise<void>((resolveClose) => {