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Prisma 2+ generator to emit fully implemented tRPC routers

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Prisma tRPC Generator

A Prisma generator that automates creating your tRPC routers from your Prisma schema.
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About The Project

Automatically generate fully implemented tRPC routers from your Prisma Schema. This includes routers, app router and of course all input schemas using Zod. Updates every time npx prisma generate runs.

Supported Prisma Versions

Prisma 4

  • 0.2.0 and higher

Prisma 2/3

  • 0.1.12 and lower

Installation

Using npm:

 npm install prisma-trpc-generator

Using yarn:

 yarn add prisma-trpc-generator

Usage

1- Star this repo 😉

2- Add the generator to your Prisma schema

generator trpc {
  provider       = "prisma-trpc-generator"
  withMiddleware = false
  withShield     = false
  contextPath    = "../../../../src/context"
}

3- Enable strict mode in tsconfig as it is required by Zod, and considered a Typescript best practice

{
  "compilerOptions": {
    "strict": true
  }
}

4- Running npx prisma generate for the following schema.prisma

model User {
  id    Int     @id @default(autoincrement())
  email String  @unique
  name  String?
  posts Post[]
}

model Post {
  id        Int      @id @default(autoincrement())
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  title     String
  content   String?
  published Boolean  @default(false)
  viewCount Int      @default(0)
  author    User?    @relation(fields: [authorId], references: [id])
  authorId  Int?
}

will generate

tRPC Routers

5- Make sure you have a valid Context file, as specified in contextPath option. The official tRPC docs for reference.

Additional Options

Option  Description Type  Default
output Output directory for the generated routers and zod schemas string ./generated
withMiddleware Attaches a global middleware that runs before all procedures boolean true
withShield Generates a tRPC Shield to use as a permissions layer boolean true
contextPath Sets the context path used in your routers string ../../../../src/context

Use additional options in the schema.prisma

generator trpc {
  provider       = "prisma-trpc-generator"
  output         = "./trpc"
  withMiddleware = false
  withShield     = false
  contextPath    = "../context"
}

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Prisma 2+ generator to emit fully implemented tRPC routers

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