socket-io module for Angular
npm install @addapptables/ng-socket-ioChoose the version corresponding to your Angular version:
Angular | @addapptables/ng-socket-io
----------- | -------------------
8 | 2.x
7 | 1.x
```
npm i @addapptables/ng-socket-io @addapptables/ng-web-socket socket.io-client --S
Create a websocket service
`typescript
// gateway with params
@WebSocketGateway
url: 'http://localhost:8081',
autoConnect: true
})
export class WebSocketService {
// web socket connection
@WebSocketServer()
server: SocketIOClient.Socket;
// subscribe event
@Subscribe('news')
connectedUsers(data: any) {
console.log(data);
this.server.emit('my other event', { my: 'data' });
}
// emit events
sendMessage() {
this.server.emit('my other event', { my: 'data' });
}
}
`
import adapter and WebSocketService into the module
`typescript`
import { NgWebSocketModule } from '@addapptables/ng-web-socket';
import { SocketIoAdapter } from '@addapptables/ng-socket-io';
@NgModule({
imports: [
...,
NgWebSocketModule.forRoot(SocketIoAdapter, [WebSocketService, / other services socket here/])
/*
Or
NgWebSocketModule.forRoot(SocketIoAdapter, [])
Adapter is required
*/
]
})
export class AppModule { }
for child modules
`typescript`
import { NgWebSocketModule } from '@addapptables/ng-web-socket';
@NgModule({
imports: [
...,
NgWebSocketModule.forFeature([WebSocketService, / other services socket here/])
]
})
export class AppModule { }
If you require a service to obtain the url, you can do the following
`typescript
// gateway with params
@WebSocketGateway
autoConnect: false
})
export class WebSocketService implements ISocketWithOptions
// web socket connection
@WebSocketServer()
server: SocketIOClient.Socket;
constructor(
@Inject(API_BASE_URL) private _baseUrl: string,
private _managerSocketAdapter: ManagerSocketAdapter
) { }
//build options for websocket
withOptions(): WebSocketOptions
const token = '123';
const url = this._baseUrl + '?token=' + token;
return {
url
};
}
connect() {
this._managerSocketAdapter.connect(this);
}
// subscribe event
@Subscribe('news')
connectedUsers(data: any) {
console.log(data);
this.server.emit('my other event', { my: 'data' });
}
// emit events
sendMessage() {
this.server.emit('my other event', { my: 'data' });
}
}
`
Inject websocket into the component
`typescript
@Component({
...
})
export class YourComponent implements OnInit {
constructor(
public _webSocketService: WebSocketService
) {
}
ngOnInit() {
this._webSocketService.connect();
}
}
``