[英]Is there a solution to run signalR in angular 5 project or is there an alternative to signalR to bild real time notification ??
我有一个 Angular 5 和 .Net 项目,我需要集成实时通知,解决方案是使用 signalR。 我用 .Net5 和angular 13测试了一个简单的 signalR 示例,它工作得很好。
现在这个错误发生在角度 5
ERROR in ./node_modules/@microsoft/signalr/dist/esm/Utils.js
Module parse failed: Unexpected token (101:19)
You may need an appropriate loader to handle this file type.
| const response = await httpClient.post(url, {
| content,
| headers: { ...headers, ...options.headers },
| responseType,
| timeout: options.timeout,
我认为该问题与节点有关,但我被阻止并且没有找到解决方案。
这是我的角度服务
@Injectable()
export class SignalRService {
private hubConnection: HubConnection;
setPlayerName$ = new Subject<string>();
private url = 'https://localhost:44375/hub/';
constructor() {
this.buildConnection() ;
this.registerOnServerEvents() ;
this.startConnection()
}
private buildConnection(): HubConnection {
return new HubConnectionBuilder()
.withUrl(this.url, { accessTokenFactory: () => "eyJSb2xlIjoiQWRtaW4iLCJJc3N1ZXIiOiJJc3N1ZXIiLCJVc2VybmFtZSI6IkphdmFJblVzZSIsImV4cCI6MTY1NzE4OTQ4NywiaWF0IjoxNjU3MTg5NDg3fQ" })
.withAutomaticReconnect()
.build();
}
private registerOnServerEvents(): void {
this.hubConnection.on('PlayerNameSet', (playerName: string) => {
this.setPlayerName$.next(playerName);
});
}
private startConnection(): void {
if (this.hubConnection.state === HubConnectionState.Connected) {
return;
}
this.hubConnection.start().then(
() => {
console.log('Hub connection started!');
},
error => console.error(error)
);
}
setPlayerName(playerName: string): void {
this.hubConnection.send('SetPlayerName', playerName);
}
}
解决方案是使用与 angular5 兼容的较早版本的 signalR
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