import { httpBatchLink, loggerLink } from "@trpc/client";
import { createTRPCNext } from "@trpc/next";
import superjson from "superjson";
import type { AppRouter } from "@weatherio/api";
const getBaseUrl = () => {
if (typeof window !== "undefined") return ""; // browser should use relative url
if (process.env.VERCEL_URL) return `https://${process.env.VERCEL_URL}`; // SSR should use vercel url
return `http://localhost:${process.env.PORT ?? 3000}`; // dev SSR should use localhost
};
/** A set of type-safe react-query hooks for your tRPC API. */
export const api = createTRPCNext<AppRouter>({
config() {
return {
/**
* Transformer used for data deserialization from the server.
*
* @see https://trpc.io/docs/data-transformers
*/
transformer: superjson,
/**
* Links used to determine request flow from client to server.
*
* @see https://trpc.io/docs/links
*/
links: [
loggerLink({
enabled: (opts) =>
process.env.NODE_ENV === "development" ||
(opts.direction === "down" && opts.result instanceof Error),
}),
httpBatchLink({
url: `${getBaseUrl()}/api/trpc`,
transformer: superjson,
}),
],
};
},
/**
* Whether tRPC should await queries when server rendering pages.
*
* @see https://trpc.io/docs/nextjs#ssr-boolean-default-false
*/
ssr: false,
});