Hide TypeORM behind a repository adapter so services depend on a domain-facing interface rather than `Repository<Entity>` or raw SQL. Inject the TypeORM repository into the adapter through the module graph: ```ts @Module({ imports: [TypeOrmModule.forFeature([UserEntity])], providers: [UsersTypeOrmRepository, UsersService], exports: [UsersService], }) export class UsersModule {} @Injectable() export class UsersTypeOrmRepository { constructor(@InjectRepository(UserEntity) private readonly repo:...
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Hide TypeORM behind a repository adapter so services depend on a domain-facing interface rather than `Repository<Entity>` or raw SQL. Inject the TypeORM repository into the adapter through the module graph:
```ts
@Module({
imports: [TypeOrmModule.forFeature([UserEntity])],
providers: [UsersTypeOrmRepository, UsersService],
exports: [UsersService],
})
export class UsersModule {}
@Injectable()
export class UsersTypeOrmRepository {
constructor(@InjectRepository(UserEntity) private readonly repo: Repository<UserEntity>) {}
findById(id: string) { return this.repo.findOne({ where: { id } }); }
}
```
Keep mapping and persistence logic in the adapter, map entities to DTOs at the boundary, and use pagination, indexes, and projections for list queries.
