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36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
import { initTRPC } from "@trpc/server";
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import { TypeCompiler } from "@sinclair/typebox/compiler";
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import { TRPCError } from "@trpc/server";
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import type { TSchema } from "@sinclair/typebox";
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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.create();
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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 RpcType<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 { path, message } = check.Errors(value).First();
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throw new TRPCError({
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message: `${message} for ${path}`,
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code: "BAD_REQUEST",
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});
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};
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}
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