Function waitForProcessExit

packages/runtime/src/__tests__/shell-exec.test.ts:28–40

(pid: number, timeoutMs = 3_000)

}

async function waitForProcessExit(pid: number, timeoutMs = 3_000): Promise<void> {
  const deadline = Date.now() + timeoutMs;
  while (true) {
    try {
      process.kill(pid, 0);
    } catch (error) {
      if ((error as NodeJS.ErrnoException).code === 'ESRCH') return;
      throw error;
    }
    if (Date.now() >= deadline) throw new Error(`Detached descendant ${pid} is still running`);
    await delay(20);
  }
}

function findPwsh(): string | undefined {
  const exeNames = process.platform === 'win32' ? ['pwsh.exe'] : ['pwsh', 'pwsh-preview'];