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@un-dev-suisse/nestjs-prisma

v1.0.4

Published

NestJS Prisma Service - A simple prisma service for NestJS applications

Readme

@un-dev-suisse/nestjs-prisma

Un service Prisma simple et robuste pour les applications NestJS.

Installation

npm install @un-dev-suisse/nestjs-prisma

Configuration

1. Créer un schéma Prisma

Créez un fichier schema.prisma dans votre projet :

generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "sqlite" // ou postgresql, mysql, etc.
  url      = "file:./dev.db"
}

model User {
  id        Int      @id @default(autoincrement())
  email     String   @unique
  name      String?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

2. Générer le client Prisma

npx prisma generate

3. Importer le module

import { Module } from '@nestjs/common';
import { PrismaModule } from '@un-dev-suisse/nestjs-prisma';

@Module({
  imports: [PrismaModule],
})
export class AppModule {}

Utilisation

Injection du service

import { Injectable } from '@nestjs/common';
import { PrismaService } from '@un-dev-suisse/nestjs-prisma';

@Injectable()
export class UserService {
  constructor(private readonly prisma: PrismaService) {}

  async findAll() {
    return this.prisma.user.findMany();
  }

  async create(data: { email: string; name?: string }) {
    return this.prisma.user.create({
      data,
    });
  }
}

Accès statique (optionnel)

import { PrismaService } from '@un-dev-suisse/nestjs-prisma';

// Accès statique au service (après injection)
const user = await PrismaService.prisma.user.findMany();

Fonctionnalités

  • Gestion automatique des connexions : Connexion à l'initialisation, déconnexion à la destruction
  • Pattern Singleton : Instance unique partagée
  • Accès statique : Possibilité d'accéder au service sans injection
  • TypeScript : Support complet des types Prisma
  • NestJS : Intégration native avec le système de modules

Gestion du cycle de vie

Le service gère automatiquement :

  • Connexion : Se connecte à la base de données au démarrage du module
  • Déconnexion : Se déconnecte proprement à l'arrêt de l'application

Exemple complet

import { Module } from '@nestjs/common';
import { PrismaModule } from '@un-dev-suisse/nestjs-prisma';

@Module({
  imports: [PrismaModule],
  providers: [UserService],
  controllers: [UserController],
})
export class AppModule {}

// Service utilisant Prisma
@Injectable()
export class UserService {
  constructor(private readonly prisma: PrismaService) {}

  async findAll() {
    return this.prisma.user.findMany();
  }

  async findOne(id: number) {
    return this.prisma.user.findUnique({
      where: { id },
    });
  }

  async create(data: { email: string; name?: string }) {
    return this.prisma.user.create({
      data,
    });
  }

  async update(id: number, data: { email?: string; name?: string }) {
    return this.prisma.user.update({
      where: { id },
      data,
    });
  }

  async remove(id: number) {
    return this.prisma.user.delete({
      where: { id },
    });
  }
}

Dépendances

  • @nestjs/common : Framework NestJS
  • @prisma/client : Client Prisma
  • prisma : CLI Prisma

Licence

MIT