style conventions

packages/launcher/src/index.tsx

@@ -362,7 +362,7 @@ function Card(kernel: boolean, item: ILauncherItem, launcher: Launcher, launcher
     });
   };
   // Add a data attribute for the category
-  let dataset = {category: item.category || 'Other'};
+  let dataset = { category: item.category || 'Other' };
   // Return the VDOM element.
   return (
     <div className='jp-LauncherCard'

packages/settingeditor-extension/src/settingeditor.ts

@@ -705,7 +705,7 @@ class PluginEditor extends Widget {
   private _onSettingsChanged(): void {
     const editor = this._editor;
     const settings = this._settings;
-    const values = settings && settings.user || {};
+    const values = settings && settings.user || { };
 
     editor.source = new ObservableJSON({ values });
     editor.source.changed.connect(this._onSourceChanged, this);

test/src/coreutils/settingregistry.spec.ts

@@ -26,10 +26,10 @@ class TestConnector extends StateDB implements IDataConnector<ISettingRegistry.I
         return null;
       }
 
-      let user = data as JSONObject || {};
+      let user = data as JSONObject || { };
 
       const schema = this.schemas[id] || { type: 'object' };
-      const result = { data: { composite: {}, user }, id, schema };
+      const result = { data: { composite: { }, user }, id, schema };
 
       return result;
     });