add websocket stream check before sending a message (#15369)

* Add WebSocket stream check before sending a message Signed-off-by: Oleksii Orel <oorel@redhat.com>
eclipse-che · Dec 2, 2019 · d719643 · d719643
1 parent 3f01e0d
commit d719643
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/dashboard/src/components/api/json-rpc/websocket-client.ts b/dashboard/src/components/api/json-rpc/websocket-client.ts
@@ -126,7 +126,11 @@ export class WebsocketClient implements ICommunicationClient {
    * @param data to be sent
    */
   send(data: any): void {
-    this.websocketStream.send(data);
+    if (this.websocketStream) {
+      this.websocketStream.send(data);
+    } else {
+      console.log('Failed to send data. WebSocket stream isn\'t open.');
+    }
   }
 
   /**