Unselect current month on quit

src/app/tweets/tweets-calendar.component.ts

@@ -42,15 +42,14 @@ export class TweetsCalendarComponent implements OnInit, OnDestroy {
     }
 
     ngOnDestroy() {
+        this.unselectCurrentMouth();
         for (const l of this.listener) {
             l.unsubscribe();
         }
     }
 
     show(month: TweetsCalendar) {
-        if (this.month) {
-            this.month.selected = false;
-        }
+        this.unselectCurrentMouth();
         this.month = month;
         this.month.selected = true;
 
@@ -112,4 +111,10 @@ export class TweetsCalendarComponent implements OnInit, OnDestroy {
     testVideo(medias: TweetMedia[]): boolean {
         return medias && medias[0].media_url_https.match(/.*\/(tweet_video_thumb|ext_tw_video_thumb)\/.*/) !== null;
     }
+
+    private unselectCurrentMouth() {
+        if (this.month) {
+            this.month.selected = false;
+        }
+    }
 }