Update dependencies

package.json

@@ -12,35 +12,30 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "7.0.3",
-    "@angular/cdk": "^7.0.2",
-    "@angular/common": "7.0.3",
-    "@angular/compiler": "7.0.3",
-    "@angular/core": "7.0.3",
-    "@angular/forms": "7.0.3",
-    "@angular/http": "7.0.3",
-    "@angular/material": "^7.0.2",
-    "@angular/platform-browser": "7.0.3",
-    "@angular/platform-browser-dynamic": "7.0.3",
-    "@angular/platform-server": "7.0.3",
-    "@angular/router": "7.0.3",
-    "@stomp/ng2-stompjs": "^6.1.0-beta.4",
+    "@angular/animations": "7.0.4",
+    "@angular/cdk": "^7.0.4",
+    "@angular/common": "7.0.4",
+    "@angular/compiler": "7.0.4",
+    "@angular/core": "7.0.4",
+    "@angular/forms": "7.0.4",
+    "@angular/http": "7.0.4",
+    "@angular/material": "^7.0.4",
+    "@angular/platform-browser": "7.0.4",
+    "@angular/platform-browser-dynamic": "7.0.4",
+    "@stomp/ng2-stompjs": "^7.0.0",
     "core-js": "^2.5.7",
     "hammerjs": "^2.0.8",
-    "ngx-cookie-service": "^1.0.10",
-    "npm": "^6.4.1",
+    "ngx-cookie-service": "^2.0.0",
     "rxjs": "^6.3.3",
-    "rxjs-compat": "^6.3.3",
     "zone.js": "^0.8.26"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.10.0",
-    "@angular/cli": "^7.0.3",
-    "@angular/compiler-cli": "7.0.3",
-    "@angular/language-service": "7.0.3",
-    "@types/jasmine": "~2.8.9",
-    "@types/jasminewd2": "~2.0.5",
-    "@types/node": "~10.12.0",
+    "@angular-devkit/build-angular": "^0.10.6",
+    "@angular/cli": "^7.0.6",
+    "@angular/compiler-cli": "7.0.4",
+    "@types/jasmine": "^2.8.11",
+    "@types/jasminewd2": "^2.0.6",
+    "@types/node": "^10.12.9",
     "jasmine-core": "~3.3.0",
     "jasmine-spec-reporter": "~4.2.1",
     "karma": "~3.1.1",
@@ -49,6 +44,7 @@
     "karma-coverage-istanbul-reporter": "^2.0.4",
     "karma-jasmine": "~1.1.2",
     "karma-jasmine-html-reporter": "^1.4.0",
+    "npm": "^6.4.1",
     "protractor": "~5.4.1",
     "ts-node": "~7.0.1",
     "tslint": "~5.11.0",

src/app/user.service.ts

+
+import {throwError as observableThrowError,  Observable, BehaviorSubject, of, EMPTY } from 'rxjs';
 import { Injectable } from '@angular/core';
 import { HttpClient, HttpErrorResponse } from '@angular/common/http';
-
-import { Observable, BehaviorSubject, of, EMPTY } from 'rxjs';
 import { map, catchError } from 'rxjs/operators';
 
 import { CookieService } from 'ngx-cookie-service';
@@ -213,7 +213,7 @@ export class UserService {
     console.log(error);
     this.snackBar.open('Error');
     this.fetch();
-    return Observable.throw(error);
+    return observableThrowError(error);
   }
 
   // PUBLIC API