CHANGELOG.md

4.0.0

@nestjs/core

• Interceptors feature (docs)
• Guards feature (docs)
• @Shared() deprecated (modules are singletons by default)
• @SingleScope() decorator (read more in the docs)
• New response handling approach (return plain value / Promise / Observable)
• Async components
• New INestApplication methods (for example use() wrapper)

@nestjs/microservices

• Possibility to return Promise / Observable / plain value
• Guards & Interceptors & Pipes & Exception Filters integration

@nestjs/websockets

• Possibility to return Promise / Observable / plain value
• Guards & Interceptors & Pipes & Exception Filters integration

@nestjs/testing

• Completely rewritten testing package (docs)

3.0.1 (24.06.2017)

@nestjs/core

• Hierarchical injector bugfix,
• Middlewares @UseFilters() bugfix (#95).

@nestjs/microservices

• TCP server / client bugfix (#91)

3.0.0 (03.06.2017)

@nestjs/common - BREAKING CHANGE

• You should now pass objects into @UseFilters() decorator instead of metatypes,
• Exception Filters can't inject dependencies (they're not coupled with modules),
• @ExceptionFilters() is deprecated, use @UseFilters() instead.
• INestApplication has new methods - useGlobalFilters() and useGlobalPipes(),
• New lifecycle hook - OnModuleDestroy interface.

@nestjs/core

• @Pipe() feature (async & sync),
• Exception Filters can have global, controller and method scope.

@nestjs/websockets - BREAKING CHANGE

• Use useWebSocketAdapter() instead of setIoAdapter(),
• You can port any WS library - just implement WebSocketAdapter (@nestjs/common).

@nestjs/microservices - BREAKING CHANGE

• Now methods have to return Observable, and they receive only one argument data,
• Microservices can return multiple values, but after emitting Observable has to be COMPLETED!
• You can port any transport strategy instead of built-in Redis/TCP, just implement CustomTransportStrategy.

2.1.3 (27.05.2017)

@nestjs/common, @nestjs/websockets

• INestApplication and INestMicroservice has new method now - setIoAdapter(),
• Ability to use custom IoAdapter

2.1.1 (24.05.2017)

@nestjs/common, @nestjs/websockets, @nestjs/microservices

• INestApplication and INestMicroservice has new method now - setIoAdapter(),
• Ability to use custom IoAdapter

2.1.0 (22.05.2017)

@nestjs/common, @nestjs/core

• INestApplication has new methods now - init(), setGlobalPrefix(), connectMicroservice(), close(), startAllMicroservices(),
• INestMicroservice has new method - close()

2.0.3 (15.05.2017)

@nestjs/common

• Req() (Request()) and Res() (Response()) aliases to avoid conflicts with express typings

2.0.0 (14.05.2017)

• Hierarchical injector improvements
• @Shared(token?: string) decorator for scoped, shared Modules
• Modules are not singletons anymore
• Added iterare library for applying multiple transformations to a collection
• Logger service is public,
• Nest is now splitted into feature packages:

@nestjs/core
@nestjs/common
@nestjs/microservices
@nestjs/testing
@nestjs/websockets

• rxjs, redis and reflect-metadata moved into peerDependencies
• @Patch() support

1.0.0 (Final - 01.05.2017)

• Added Gateway Middlewares support:

@WebSocketGateway({
    port: 2000,
    middlewares: [ChatMiddleware],
})

Gateway Middleware example:

@Middleware()
export class ChatMiddleware implements GatewayMiddleware {
    public resolve(): (socket, next) => void {
        return (socket, next) => {
            console.log('Authorization...');
            next();
        };
    }
}

• New Gateway lifecycle interfaces OnGatewayInit, OnGatewayConnection, OnGatewayDisconnect
• @SubscribeMessage() now accepts also plain strings:

@SubscribeMessage('event')

• @Controller() now accepts also plain strings:

@Controller('users')

• HttpStatus (HttpStatus.OK etc.) enumerator
• Route params decorators support

Request: () => ParameterDecorator
Response: () => ParameterDecorator
Next: () => ParameterDecorator
Query: (property?: string) => ParameterDecorator
Body: (property?: string) => ParameterDecorator
Param: (property?: string) => ParameterDecorator
Session: () => ParameterDecorator
Headers: (property?: string) => ParameterDecorator

• MiddlewaresBuilder -> MiddlewaresConsumer
• Exception Filters support

@ExceptionFilters(CustomExceptionFilter, NextExceptionFilter)
export class UsersController {}

Exception filter example:

export class CustomException {}

@Catch(CustomException)
export class CustomExceptionFilter implements ExceptionFilter {
    public catch(exception, response) {
        response.status(500).json({
            message: 'Custom exception message.',
        });
    }
}

• Module injection support:

export class UsersController {
    constructor(private module: UsersModule) {}
}

• ModuleRef support

1.0.0-RC7 (08.04.2017)

• MiddlewareBuilder: use() deprecated, use apply() instead
• MiddlewareBuilder: new apply() method

1.0.0-RC4 (08.04.2017)

• Support for @Post, @Get, @Delete, @Put, @All decorators
• Added ability to pass data to middleware metatypes

1.0.0-BETA-1 (23.03.2017)

• @Inject -> @Dependencies
• @Inject decorator for custom constructor parameters
• Custom providers support (useClass, useValue, useFactory)

1.0.0-ALPHA-23 (19.03.2017)

• Microservices support (TCP & Redis transports)
• NestRunner -> NestFactory
• Simplify application initialization & configuration
• Added abillity to pass custom express instance
• @Inject decorator for ES6+
• SocketGateway -> WebSocketGateway
• GatewayServer -> WebSocketServer