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NestJS CRUD is a microframework for building RESTful services with automatic CRUD endpoint generation, advanced query parsing, and TypeORM integration.

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Why NestJS CRUD?

Building CRUD endpoints for every entity in your application is repetitive and time-consuming. NestJS CRUD eliminates this boilerplate by automatically generating fully-featured REST endpoints with a single decorator. 
@Crud({
  model: { type: Company }
})
@Controller('companies')
export class CompaniesController {
  constructor(public service: CompaniesService) {}
}
With just this code, you get all standard CRUD endpoints automatically generated.

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Key features

Zero boilerplate

Generate complete CRUD APIs with a single @Crud() decorator. No need to write repetitive endpoint handlers.

Advanced querying

Built-in support for filtering, pagination, sorting, relations, nested relations, and field selection through query parameters.

TypeORM integration

Seamless integration with TypeORM. Extend TypeOrmCrudService and get instant database operations.

Type-safe validation

Automatic request validation using class-validator and class-transformer decorators on your entities.

Swagger documentation

Auto-generated OpenAPI documentation for all CRUD endpoints. Works seamlessly with @nestjs/swagger.

Highly customizable

Override individual endpoints, customize query behavior, configure route options, and add authentication per route.

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What you get automatically

When you apply the @Crud() decorator to a controller, you automatically get these endpoints:
EndpointMethodDescription
/GETGet many entities with filtering, pagination, sorting
/:idGETGet a single entity by ID
/POSTCreate a new entity
/:idPATCHUpdate an existing entity
/:idPUTReplace an existing entity
/:idDELETEDelete an entity

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Query capabilities

Every GET endpoint comes with powerful query parsing out of the box: 
# Filter companies by name
GET /companies?filter=name||$cont||Tech

# Multiple filters
GET /companies?filter=name||$cont||Tech&filter=domain||$ends||.com

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Packages

The NestJS CRUD ecosystem consists of three main packages:

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@nestjsx/crud

The core package providing the @Crud() decorator, route generation, validation, and helper decorators. 
npm install @nestjsx/crud class-transformer class-validator

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@nestjsx/crud-typeorm

TypeORM integration providing TypeOrmCrudService with ready-to-use database operations. 
npm install @nestjsx/crud-typeorm @nestjs/typeorm typeorm

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@nestjsx/crud-request

Request builder/parser for frontend applications. Build type-safe API queries in your client code. 
npm install @nestjsx/crud-request
Start with the Installation guide to set up NestJS CRUD in your project, then follow the Quickstart to build your first CRUD API.

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Database support

Through TypeORM integration, NestJS CRUD supports:
  • PostgreSQL
  • MySQL / MariaDB
  • SQLite
  • Microsoft SQL Server
  • Oracle
  • CockroachDB
  • And all other TypeORM-supported databases

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Next steps

Installation

Install and configure NestJS CRUD in your project

Quickstart

Build your first CRUD API in minutes

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