0.8.13 • Public • Published

Prisma Zod Generator

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Automatically generate Zod schemas from your Prisma Schema, and use them to validate your API endpoints or any other use you have. Updates every time npx prisma generate runs.

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Table of Contents

Supported Prisma Versions

Prisma 4

  • 0.3.0 and higher

Prisma 2/3

  • 0.2.0 and lower


Using npm:

 npm install prisma-zod-generator

Using yarn:

 yarn add prisma-zod-generator


1- Star this repo 😉

2- Add the generator to your Prisma schema

generator zod {
  provider = "prisma-zod-generator"

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?
  likes     BigInt

will generate the following files

Zod Schemas

5- Use generated schemas somewhere in your API logic, like middleware or decorator

import { PostCreateOneSchema } from './prisma/generated/schemas/createOnePost.schema';'/blog', async (req, res, next) => {
  const { body } = req;
  await PostCreateOneSchema.parse(body);


Skipping entire models

/// @@Gen.model(hide: true)
model User {
  id    Int     @id @default(autoincrement())
  email String  @unique
  name  String?

Additional Options

Option Description Type Default
output Output directory for the generated zod schemas string ./generated
isGenerateSelect Enables the generation of Select related schemas and the select property boolean false
isGenerateInclude Enables the generation of Include related schemas and the include property boolean false

Use additional options in the schema.prisma

generator zod {
  provider          = "prisma-zod-generator"
  output            = "./generated-zod-schemas"
  isGenerateSelect  = true
  isGenerateInclude = true

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npm i prisma-zod-generator

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  • omar-dulaimi