race condition when clearing DB

src/views/acc-security-view.jsx

@@ -124,7 +124,7 @@ class AccSecurityView extends React.Component {
             <div>
               <label className="small">
                 <FormattedMessage id="label_default_access_mode" defaultMessage="Default access mode:"
-                description="Label for default access mode" />
+                  description="Label for default access mode" />
               </label>
             </div>
             <div className="quoted">

src/views/tinode-web.jsx

@@ -1343,19 +1343,25 @@ class TinodeWeb extends React.Component {
 
     clearInterval(this.reconnectCountdown);
 
+    let cleared;
     if (this.tinode) {
-      this.tinode.clearStorage();
+      cleared = this.tinode.clearStorage();
       this.tinode.onDisconnect = undefined;
       this.tinode.disconnect();
+    } else {
+      cleared = Promose.resolve();
     }
     this.setState(this.getBlankState());
 
-    this.tinode = TinodeWeb.tnSetup(this.state.serverAddress,
-      this.state.transport, this.props.intl.locale, LocalStorageUtil.getObject('keep-logged-in'));
-    this.tinode.onConnect = this.handleConnected;
-    this.tinode.onDisconnect = this.handleDisconnect;
-    this.tinode.onAutoreconnectIteration = this.handleAutoreconnectIteration;
-    HashNavigation.navigateTo('');
+    cleared.then(() => {
+      this.tinode = TinodeWeb.tnSetup(this.state.serverAddress,
+        this.state.transport, this.props.intl.locale, LocalStorageUtil.getObject('keep-logged-in'), () => {
+          this.tinode.onConnect = this.handleConnected;
+          this.tinode.onDisconnect = this.handleDisconnect;
+          this.tinode.onAutoreconnectIteration = this.handleAutoreconnectIteration;
+          HashNavigation.navigateTo('');
+        })
+    });
   }
 
   handleDeleteAccount() {