我感谢Tjaart van der Walt关于如何解决Angular/rxjs7++中引入的“破坏性更改”的回复。但是,我仍然在尝试将他的回复应用到我的Angular拦截器时遇到了几个问题:
以下是更新后的代码(未能编译的部分标记为“OLD”)
import {Injectable} from '@angular/core';
import {HttpEvent, HttpInterceptor, HttpResponse} from '@angular/common/http';
import {HttpHandler, HttpRequest, HttpErrorResponse} from '@angular/common/http';
import { Observable } from 'rxjs';
import { of } from 'rxjs';
import { tap, catchError } from 'rxjs/operators';
import { AuthService } from './auth.service';
@Injectable()
export class StockAppInterceptor implements HttpInterceptor {
constructor(private authService: AuthService) {}
intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
if (this.authService.authToken) {
const authReq = req.clone({
headers: req.headers.set(
'Authorization',
this.authService.authToken
)
});
console.log('Making an authorized request');
req = authReq;
}
return next.handle(req).pipe(
tap(
event => this.handleResponse(req, event),
error => this.handleError(req, error)
)
);
}
handleResponse(req: HttpRequest<any>, event) {
console.log('Handling response for ', req.url, event);
if (event instanceof HttpResponse) {
console.log('Request for ', req.url,
' Response Status ', event.status,
' With body ', event.body);
}
}
handleError(req: HttpRequest<any>, event) {
console.error('Request for ', req.url,
' Response Status ', event.status,
' With error ', event.error);
}
}
需要进行的更改包括更改import
路径,以及将pipe()
、tap()
和of()
替换为新的方法。
这个链接也是RxJS6变化的一个很好的资源:
https://www.academind.com/learn/javascript/rxjs-6-what-changed/
import { tap } from "rxjs/operators";
try like this `return next.handle(clonedReq).pipe(tap((err: any) => { }));`
- Isanka Thalagala