Function registerMiddleware

packages/express/src/middleware.ts:162–180

(
  ctx: Context,
  middleware: Middleware | Constructor<Provider<Middleware>>,
  options: MiddlewareBindingOptions,
)

 * @param options - Middleware binding options
 */
export function registerMiddleware(
  ctx: Context,
  middleware: Middleware | Constructor<Provider<Middleware>>,
  options: MiddlewareBindingOptions,
) {
  if (isProviderClass(middleware as Constructor<Provider<Middleware>>)) {
    const binding = createMiddlewareBinding(
      middleware as Constructor<Provider<Middleware>>,
      options,
    );
    ctx.add(binding);
    return binding;
  }
  const key = options.key ?? BindingKey.generate(MIDDLEWARE_NAMESPACE);
  return ctx
    .bind(key)
    .to(middleware as Middleware)
    .apply(asMiddleware(options));
}

/**
 * Create a binding for the middleware provider class