@effect/platform @effect/schema Cloudflare Worker example

index.ts

import * as Http from "@effect/platform/HttpServer";
import { Effect } from "effect";
import * as S from "@effect/schema/Schema";

const HttpLive = Http.router.empty.pipe(
  Http.router.get("/", Http.response.text("Hello World")),
  Http.router.get(
    "/todo/:id",
    Effect.gen(function* ($) {
      const { id } = yield* $(
        Http.router.schemaPathParams(S.struct({ id: S.NumberFromString })),
      );
      return yield* $(Http.response.text(`Todo ${id}`));
    }),
  ),
  Http.router.all("*", Http.response.empty({ status: 404 })),
  Http.router.catchAll((e) => {
    console.log(e);
    return Http.response.empty({ status: 400 });
  }),
  Http.app.toWebHandler,
);

export default {
  async fetch(request: Request) {
    return await HttpLive(request);
  },
};