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59 lines
1.6 KiB
TypeScript
59 lines
1.6 KiB
TypeScript
import type { TSchema } from "@sinclair/typebox";
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import { TypeCompiler } from "@sinclair/typebox/compiler";
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import { initTRPC, TRPCError } from "@trpc/server";
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import type { getDb } from "../database/postgres";
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import type { getOpenrouter } from "../pages/chat/provider";
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import type { JWT } from "@auth/core/jwt";
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/**
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* Initialization of tRPC backend
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* Should be done only once per backend!
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*/
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const t = initTRPC
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.context<
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object & {
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db: ReturnType<typeof getDb>;
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openrouter: ReturnType<typeof getOpenrouter>;
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jwt?: JWT | null;
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}
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>()
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.create(/*{
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sse: {
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maxDurationMs: 5 * 60 * 1_000, // 5 minutes
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ping: {
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enabled: true,
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intervalMs: 3_000,
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},
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client: {
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reconnectAfterInactivityMs: 5_000,
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},
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},
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}*/);
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/**
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* Export reusable router and procedure helpers
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* that can be used throughout the router
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*/
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export const router = t.router;
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export const publicProcedure = t.procedure;
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/**
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* Generate a TRPC-compatible validator function given a Typebox schema.
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* This was copied from [https://github.com/sinclairzx81/typebox/blob/6cfcdc02cc813af2f1be57407c771fc4fadfc34a/example/trpc/readme.md].
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* @param schema A Typebox schema
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* @returns A TRPC-compatible validator function
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*/
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export function Validator<T extends TSchema>(schema: T) {
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const check = TypeCompiler.Compile(schema);
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return (value: unknown) => {
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if (check.Check(value)) return value;
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const err = check.Errors(value).First();
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throw new TRPCError({
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message: `${err?.message} for ${err?.path}`,
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code: "BAD_REQUEST",
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});
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};
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}
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export const createCallerFactory = t.createCallerFactory;
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