Step 2.18: Implement removeChat method

Author: dotansimha

src/pages/chats/chats.ts

@@ -67,4 +67,15 @@ export class ChatsPage {
       }
     ]);
   }
+
+  removeChat(chat: Chat): void {
+    this.chats = this.chats.map((chatsArray: Chat[]) => {
+      const chatIndex = chatsArray.indexOf(chat);
+      if (chatIndex !== -1) {
+        chatsArray.splice(chatIndex, 1);
+      }
+
+      return chatsArray;
+    });
+  }
 }