TYPESCRIPT

how to add jwt token in angular http request

      tokenType  = 'Bearer ';
      loginUser(data: Student): Observable<any> {
            const url = '/login';
            const header = new HttpHeaders().set('Authorization', this.tokenType + this.cookieService.get('token')); // may be localStorage/sessionStorage
            const headers = { headers: header };
            return this.httpClient.post(this.serverUrl + url, data, headers);
        }
        
        getuserInfo(): Observable<any> {
            const url = '/userinfo';
            const header = new HttpHeaders().set('Authorization', this.tokenType + this.cookieService.get('token')); // may be localStorage/sessionStorage
            const headers = { headers: header };
            return this.httpClient.get(this.serverUrl + url,headers);
        }
        
        submitForm(submission: any): void {
            console.log(submission);
            if (submission && submission.submit) {
                delete submission.submit;
            }
            this.loginService.loginUser(submission)
                .subscribe(result => {
                    console.log(result);
                    this.userinfo();
                }, err => {
                    alert(err);
                });
        }
        
        userinfo() {
            this.loginService.getuserInfo()
            .subscribe(result => {
                console.log(result);
            }, err => {
                alert(err);
            });
        }