import { env } from "cloudflare:workers";

export async function withEnvBinding<T>(name: keyof Env, value: string, run: () => Promise<T>): Promise<T> {
  const bindings = env as unknown as Record<string, string | undefined>;
  const previous = bindings[name as string];
  bindings[name as string] = value;
  try {
    return await run();
  } finally {
    if (previous === undefined) delete bindings[name as string];
    else bindings[name as string] = previous;
  }
}