first commit

src/server/api/trpc/[trpc].ts

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+import { createNuxtApiHandler } from 'trpc-nuxt'
+import { createContext } from '~/server/trpc/context'
+import { appRouter } from '~/server/trpc/routers'
+
+export default createNuxtApiHandler({
+  createContext,
+  router: appRouter,
+})

src/server/prisma.ts

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+import { PrismaClient } from '@prisma/client'
+
+const globalForPrisma = globalThis as unknown as { prisma: PrismaClient }
+
+export const prisma = globalForPrisma.prisma
+ || new PrismaClient({
+   log: process.env.NODE_ENV === 'development' ? ['query', 'error', 'warn'] : ['error'],
+ })
+
+if (process.env.NODE_ENV !== 'production')
+  globalForPrisma.prisma = prisma

src/server/trpc/context.ts

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+import type { inferAsyncReturnType } from '@trpc/server'
+import type { H3Event } from 'h3'
+import { prisma } from '~/server/prisma'
+
+export function createContext(_event: H3Event) {
+  return {
+    prisma,
+  }
+}
+
+export type Context = inferAsyncReturnType<typeof createContext>

src/server/trpc/routers/index.ts

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+import { router } from '~/server/trpc/trpc'
+
+export const appRouter = router({
+
+})
+
+export type AppRouter = typeof appRouter

src/server/trpc/trpc.ts

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+import { initTRPC } from '@trpc/server'
+import SuperJSON from 'superjson'
+import type { Context } from '~/server/trpc/context'
+
+const trpc = initTRPC.context<Context>().create({
+  transformer: SuperJSON,
+})
+
+export const publicProcedure = trpc.procedure
+export const router = trpc.router
+export const middleware = trpc.middleware
+export const mergeRouters = trpc.mergeRouters