You can override default angular encoding with adding Interceptor which fixes this:
import { HttpInterceptor, HttpRequest, HttpEvent, HttpHandler, HttpParams, HttpParameterCodec } from "@angular/common/http";
import { Injectable } from "@angular/core";
import { Observable } from "rxjs";
@Injectable()
export class EncodeHttpParamsInterceptor implements HttpInterceptor {
intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
const params = new HttpParams({encoder: new CustomEncoder(), fromString: req.params.toString()});
return next.handle(req.clone({params}));
}
}
class CustomEncoder implements HttpParameterCodec {
encodeKey(key: string): string {
return encodeURIComponent(key);
}
encodeValue(value: string): string {
return encodeURIComponent(value);
}
decodeKey(key: string): string {
return decodeURIComponent(key);
}
decodeValue(value: string): string {
return decodeURIComponent(value);
}
}
and declare it in providers section of in app.module.ts
providers: [
{
provide: HTTP_INTERCEPTORS,
useClass: EncodeHttpParamsInterceptor,
multi: true
}
]
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