Lint

packages/voila/src/manager.ts

@@ -216,16 +216,18 @@ export class WidgetManager extends JupyterLabManager {
         initComm.on_msg(msg => {
           data = msg['content']['data'];
 
-          if (data.method != 'update_states') {
-            console.warn(`Unknown ${data.method} message on the Control channel`);
+          if (data.method !== 'update_states') {
+            console.warn(`
+              Unknown ${data.method} message on the Control channel
+            `);
             return;
           }
 
           buffers = (msg.buffers || []).map((b: any) => {
             if (b instanceof DataView) {
-                return b;
+              return b;
             } else {
-                return new DataView(b instanceof ArrayBuffer ? b : b.buffer);
+              return new DataView(b instanceof ArrayBuffer ? b : b.buffer);
             }
           });
 
@@ -235,11 +237,12 @@ export class WidgetManager extends JupyterLabManager {
         initComm.on_close(reject);
 
         // Send a states request msg
-        initComm.send({method: 'request_states'}, {});
+        initComm.send({ method: 'request_states' }, {});
       });
-    }
-    catch {
-      console.warn('Failed to open "jupyter.widget.control" comm channel, fallback to slow fetching of widgets.');
+    } catch {
+      console.warn(
+        'Failed to open "jupyter.widget.control" comm channel, fallback to slow fetching of widgets.'
+      );
       // Fallback to the old implementation for old ipywidgets versions (<=7.6)
       return this._build_models_slow();
     }
@@ -256,7 +259,7 @@ export class WidgetManager extends JupyterLabManager {
         bufferPaths[bufferPath[0]] = [];
       }
       bufferPaths[bufferPath[0]].push(bufferPath.slice(1));
-    };
+    }
 
     const widgetPromises: Promise<base.WidgetModel>[] = [];
 
@@ -270,7 +273,11 @@ export class WidgetManager extends JupyterLabManager {
         // Put binary buffers
         if (widget_id in bufferPaths) {
           const nBuffers = bufferPaths[widget_id].length;
-          base.put_buffers(state, bufferPaths[widget_id], buffers.slice(0, nBuffers));
+          base.put_buffers(
+            state,
+            bufferPaths[widget_id],
+            buffers.slice(0, nBuffers)
+          );
           buffers = buffers.slice(nBuffers);
         }