cloudflare--workers-sdk/packages/vite-plugin-cloudflare/playground/multi-worker/worker-a/index.ts

import type WorkerB from "../worker-b";
import type { NamedEntrypoint } from "../worker-b";

interface Env {
	WORKER_B: Fetcher<WorkerB>;
	NAMED_ENTRYPOINT: Fetcher<NamedEntrypoint>;
	CONFIGURED_VAR?: string;
}

export default {
	async fetch(request, env) {
		const url = new URL(request.url);

		switch (url.pathname) {
			case "/fetch": {
				const response = await env.WORKER_B.fetch(request);
				const result = await response.json();
				return Response.json({
					result,
				});
			}
			case "/rpc-method": {
				const result = await env.WORKER_B.add(4, 5);
				return Response.json({
					result,
				});
			}
			case "/rpc-method/promise-pipelining": {
				const foo = env.WORKER_B.foo("🎉");
				const result = await foo.bar.baz();
				return Response.json({
					result,
				});
			}
			case "/rpc-getter": {
				const result = await env.WORKER_B.name;
				return Response.json({ result });
			}
			case "/rpc-named-entrypoint": {
				const result = await env.NAMED_ENTRYPOINT.multiply(4, 5);
				return Response.json({ result });
			}
			case "/rpc-named-entrypoint/promise-pipelining": {
				const baz = env.NAMED_ENTRYPOINT.baz("🚀");
				const result = await baz.bar.foo();
				return Response.json({
					result,
				});
			}
			case "/config-test": {
				return Response.json({
					configuredVar: env.CONFIGURED_VAR,
				});
			}
			case "/config-test/auxiliary": {
				const response = await env.WORKER_B.fetch(
					new Request("http://localhost/config-test")
				);
				return response;
			}
		}

		return Response.json({ name: "Worker A" });
	},
} satisfies ExportedHandler<Env>;