File cards now use the locale to format dates

src/app/posts.services.ts

@@ -11,6 +11,7 @@ import { BehaviorSubject } from 'rxjs';
 import { v4 as uuid } from 'uuid';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import * as Fingerprint2 from 'fingerprintjs2';
+import { isoLangs } from './settings/locales_list';
 
 @Injectable()
 export class PostsService implements CanActivate {
@@ -53,6 +54,7 @@ export class PostsService implements CanActivate {
     config = null;
     subscriptions = null;
     sidenav = null;
+    locale = isoLangs['en'];
 
     constructor(private http: HttpClient, private router: Router, @Inject(DOCUMENT) private document: Document,
                 public snackBar: MatSnackBar) {
@@ -114,6 +116,17 @@ export class PostsService implements CanActivate {
         if (localStorage.getItem('card_size')) {
             this.card_size = localStorage.getItem('card_size');
         }
+
+        // localization
+        const locale = localStorage.getItem('locale');
+        if (!locale) {
+        localStorage.setItem('locale', 'en');
+        }
+
+        if (isoLangs[locale]) {
+            this.locale = isoLangs[locale];
+        }
+
     }
     canActivate(route, state): Promise<boolean> {
         return new Promise(resolve => {