Method init

packages/jstack/src/server/j.ts:35–129

()

class JStack {
  init<E extends Env = any>() {
    return {
      /**
       * Type-safe router factory function that creates a new router instance.
       * 
       * @template T - Record of operation types (get/post/websockets)
       * @template E - Environment type for the router
       * @returns {Router<T, E>} A new router instance with type-safe procedure definitions
       * 
       * @example
       * const userRouter = router({
       *   getUser: publicProcedure
       *     .input(z.object({ id: z.string() }))
       *     .get(async ({ input }) => {
       *       return { id: input.id, name: "John Doe" }
       *     }),
       *   
       *   createUser: publicProcedure
       *     .input(z.object({ name: z.string() }))
       *     .post(async ({ input }) => {
       *       return { id: "123", name: input.name }
       *     })
       * })
       */
      router,
      mergeRouters,
      middleware: <T = {}, R = void>(
        middleware: MiddlewareFunction<T, R, E>
      ): MiddlewareFunction<T, R, E> => middleware,
      fromHono,
      procedure: new Procedure<E>(),
      defaults: {
        /**
         * CORS middleware configuration with default settings for API endpoints.
         *
         * @default
         * - Allows 'x-is-superjson' and 'Content-Type' in headers
         * - Exposes 'x-is-superjson' in headers
         * - Accepts all origins
         * - Enables credentials
         */
        cors: cors({
          allowHeaders: ["x-is-superjson", "Content-Type"],
          exposeHeaders: ["x-is-superjson"],
          origin: (origin) => origin,
          credentials: true,
        }),
        /**
         * Global error handler for API endpoints.
         * 
         * @example
         * // Client-side error handling
         * const { mutate } = useMutation({
         *   onError: (err: HTTPException) => {
         *     if (err.status === 401) {
         *       console.log(err.message) // Handle unauthorized
         *     }
         *   }