DB

@inversifyjs/prisma integrates Prisma 7 with InversifyJS. Bind a driver-adapter-backed PrismaClient through PrismaContainerModule and inject it into your application services.

PostgreSQL is just an example

The snippet below uses PostgreSQL with @prisma/adapter-pg, but any Prisma 7 driver adapter works the same way.

Binding a Prisma client

import { PrismaContainerModule } from '@inversifyjs/prisma';
import { PrismaPg } from '@prisma/adapter-pg';
import { Container, inject, injectable } from 'inversify';

import { PrismaClient, type User } from '../../generated/prisma/index.js';

@injectable()
export class UserService {
  constructor(
    @inject(PrismaClient)
    private readonly prismaClient: PrismaClient,
  ) {}

  public async createUser(
    email: string,
    name: string | null = null,
  ): Promise<User> {
    return this.prismaClient.user.create({
      data: {
        email,
        name,
      },
    });
  }
}

export async function bootstrap(): Promise<UserService> {
  const container: Container = new Container();

  container.load(
    new PrismaContainerModule({
      adapter: {
        build: (options: { connectionString: string }) => new PrismaPg(options),
      },
      options: {
        value: {
          connectionString: process.env['DATABASE_URL'] as string,
        },
      },
      PrismaClient,
    }),
  );

  container.bind(UserService).toSelf();

  return container.get(UserService);
}

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