Integrating Effect/RPC with Next.js and TanStack Query

import { TodosRpcs } from "@/lib/schemas/todos";
import { Layer } from "effect";
import { RpcSerialization, RpcServer } from "@effect/rpc";
import type { NextRequest } from "next/server";
import { HttpServer } from "@effect/platform";
import { TodosRouter } from "@/lib/routers/todos";

const handler = RpcServer.toWebHandler(TodosRpcs, {
  layer: Layer.mergeAll(
    TodosRouter,
    RpcSerialization.layerJson,
    HttpServer.layerContext
  ),
});

export const POST = async (req: NextRequest) => {
  return await handler.handler(req);
};