tRPC Router with Zod Input

import { z } from "zod";
import { router, publicProcedure, protectedProcedure } from "./trpc";

export const moduleRouter = router({
  list: publicProcedure
    .input(z.object({ category: z.string().optional(), page: z.number().default(1) }))
    .query(async ({ input, ctx }) => {
      return ctx.db.module.findMany({
        where: { category: input.category, isPublished: true },
        skip: (input.page - 1) * 20,
        take: 20,
      });
    }),
});