Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

docs: add nuxt module help #DA-340 #6101

Merged
merged 9 commits into from
Jun 13, 2024
Original file line number Diff line number Diff line change
@@ -0,0 +1,152 @@
---

title: 'Using the Nuxt Prisma Module'
metaTitle: 'Add Prisma ORM Easily to Your Nuxt Apps'
metaDescription: 'Learn how to easily add Prisma ORM to your Nuxt apps, use its features, and understand its limitations.'

---

The Nuxt Prisma module simplifies the integration of Prisma ORM into your Nuxt applications. This module provides several features to streamline the setup and usage of Prisma, making it easier to manage your database interactions.

### Features

- **Project initialization**: Automatically sets up a Prisma ORM project with a SQLite database within your Nuxt project.
- **Composable**: Provides an auto-imported `usePrismaClient()` composable for use in your Vue files.
- **API Route Integration**: Automatically imports an instance of `prisma` for use in your API routes.
- **Prisma Studio access**: Enables access to Prisma Studio through Nuxt Devtools for database management.

## Getting Started

1. Create a [new Nuxt Project](https://nuxt.com/docs/getting-started/installation#new-project):
```sh
npx nuxi@latest init test-nuxt-app
```

2. Navigate to project directory and install `@prisma/nuxt`:
```sh
cd test-nuxt-app
npm install @prisma/nuxt
```

3. Add `@prisma/nuxt` to your `nuxt.config.ts`:
```typescript
export default defineNuxtConfig({
modules: ["@prisma/nuxt"],
devtools: { enabled: true },
});
```

4. Start the development server:
```sh
npm run dev
```

Starting the development server will:

- Automatically install the [Prisma CLI](/orm/reference/prisma-cli-reference)
- Initialize a Prisma project with SQLite
- Create an `User` and `Post` example model in the Prisma Schema
- Prompt you to run a migration to create database tables with [Prisma Migrate](/orm/prisma-migrate/understanding-prisma-migrate/overview)
- Install and generate a [Prisma Client](/orm/reference/prisma-client-reference)
- Prompt you to start the [Prisma Studio](/orm/tools/prisma-studio)

5. You can now use Prisma ORM in your project. If you accepted the prompt to add Prisma Studio, you can access Prisma Studio through the Nuxt Devtools. See the [usage section](#usage) to learn how to use Prisma Client in your app.

## Usage

### Option A: `usePrismaClient` composable

#### Using the composable in your Nuxt server component

If you're using [Nuxt server components](https://nuxt.com/docs/guide/directory-structure/components#server-components), you can use the global instance of the Prisma Client in your `.server.vue` files:
```html
<script setup>
const prisma = usePrismaClient()
const user = await prisma.user.findFirst()
</script>

<template>
<p>{{ user.name }}</p>
</template>
```

#### Using the auto-imported Prisma Client instance in your API route

You can use the auto-imported Prisma Client instance, prisma, in your Nuxt API route as follows:
```typescript
export default defineEventHandler(async (event) => {
return {
user: await prisma.user.findFirst(),
};
});
```

### Option B: `lib/prisma.ts`

After running through the initial setup prompts, this module creates the `lib/prisma.ts` file which contains a global instance of Prisma Client.
```typescript
import { PrismaClient } from '@prisma/client'

const prismaClientSingleton = () => {
return new PrismaClient()
}

declare const globalThis: {
prismaGlobal: ReturnType<typeof prismaClientSingleton>;
} & typeof global;

const prisma = globalThis.prismaGlobal ?? prismaClientSingleton()

export default prisma

if (process.env.NODE_ENV !== 'production') globalThis.prismaGlobal = prisma
```

You can customize Prisma Client's capabilities by using client extensions in your `lib/prisma.ts` file. Here is an example using the [Pulse client extension](https://www.npmjs.com/package/@prisma/extension-pulse):
```typescript
import { PrismaClient } from '@prisma/client'
import { withPulse } from '@prisma/extension-pulse'

const prismaClientSingleton = () => {
return new PrismaClient().$extends(withPulse({
apiKey: process.env.PULSE_API_KEY
}))
}

declare const globalThis: {
prismaGlobal: ReturnType<typeof prismaClientSingleton>;
} & typeof global;

const prisma = globalThis.prismaGlobal ?? prismaClientSingleton()

export default prisma

if (process.env.NODE_ENV !== 'production') globalThis.prismaGlobal = prisma
```

#### Using the global Prisma Client instance in your API route

You can use the global instance of the Prisma Client in your Nuxt API route as follows:
```typescript
import prisma from "~/lib/prisma";

export default defineEventHandler(async (event) => {
return {
user: await prisma.user.findFirst(),
};
});
```

#### Using the global Prisma Client instance in your Nuxt server component

If you're using [Nuxt server components](https://nuxt.com/docs/guide/directory-structure/components#server-components), you can use the global instance of the Prisma Client `.server.vue` files:
```html
<script setup>
import prisma from '~/lib/prisma';
const user = await prisma.user.findFirst()
</script>

<template>
<p>{{ user.name }}</p>
</template>
```
Loading