type-graphql#MiddlewareFn TypeScript Examples

The following examples show how to use type-graphql#MiddlewareFn. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: rate-limiter-middleware.ts    From convoychat with GNU General Public License v3.0 6 votes vote down vote up 
RateLimit = ({
  limit = 50,
  window = "25min",
}: IRateLimit = {}): MiddlewareFn<any> => {
  return async ({ root: parent, args, context, info }, next) => {
    const error = await limiter(
      {
        parent,
        args,
        context,
        info,
      },
      {
        max: limit,
        window: window,
      }
    );

    if (error) throw new Error(error);

    return next();
  };
}
Example #2
Source File: typegoose-middleware.ts    From convoychat with GNU General Public License v3.0 6 votes vote down vote up 
TypegooseMiddleware: MiddlewareFn = async (_, next) => {
  const result = await next();

  if (Array.isArray(result)) {
    return result.map(item =>
      item instanceof Model ? convertDocument(item) : item
    );
  }

  if (result instanceof Model) {
    return convertDocument(result);
  }

  return result;
}
Example #3
Source File: isAuth.ts    From lireddit with MIT License 5 votes vote down vote up 
isAuth: MiddlewareFn<MyContext> = ({ context }, next) => {
  if (!context.req.session.userId) {
    throw new Error("not authenticated");
  }

  return next();
}