diff --git a/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js b/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js
index 2eeb557bf..c92f5e3ee 100644
--- a/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js
+++ b/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js
@@ -28,7 +28,7 @@ const mapStateToProps = (state, ownProps) => {
     enableStackPrefetch: isActive,
     //stack: viewportSpecificData.stack,
     cineToolData: viewportSpecificData.cine,
-    viewport: viewportSpecificData.viewport
+    viewport: viewportSpecificData.viewport,
   };
 };
 
@@ -56,7 +56,7 @@ const mapDispatchToProps = (dispatch, ownProps) => {
         setViewportSpecificData(viewportIndex, {
           // TODO: Hack to make sure our plugin info is available from the outset
           plugin: 'cornerstone',
-          dom: enabledElement
+          dom: enabledElement,
         })
       );
     },
@@ -65,18 +65,18 @@ const mapDispatchToProps = (dispatch, ownProps) => {
       const {
         onAdded,
         onRemoved,
-        onModified
+        onModified,
       } = OHIF.measurements.MeasurementHandlers;
       const actions = {
         added: onAdded,
         removed: onRemoved,
         modified: throttle(event => {
           return onModified(event);
-        }, 300)
+        }, 300),
       };
 
       return actions[action](event);
-    }
+    },
   };
 };
 
diff --git a/extensions/ohif-cornerstone-extension/src/commandsModule.js b/extensions/ohif-cornerstone-extension/src/commandsModule.js
index c7640d7d4..d87569456 100644
--- a/extensions/ohif-cornerstone-extension/src/commandsModule.js
+++ b/extensions/ohif-cornerstone-extension/src/commandsModule.js
@@ -98,56 +98,54 @@ const actions = {
     //   if (!cornerstoneImageId || cornerstoneImageId === imageId)
     //     delete toolState[imageId];
     // });
-  }
+  },
 };
 
 const definitions = {
   rotateViewportCW: {
     commandFn: actions.rotateViewport,
     storeContexts: ['viewports'],
-    options: { rotation: 90 }
+    options: { rotation: 90 },
   },
   rotateViewportCCW: {
     commandFn: actions.rotateViewport,
     storeContexts: ['viewports'],
-    options: { rotation: -90 }
+    options: { rotation: -90 },
   },
   invertViewport: {
     commandFn: actions.invertViewport,
     storeContexts: ['viewports'],
-    options: {}
+    options: {},
   },
   flipViewportVertical: {
     commandFn: actions.flipViewportVertical,
     storeContexts: ['viewports'],
-    options: {}
+    options: {},
   },
   flipViewportHorizontal: {
     commandFn: actions.flipViewportHorizontal,
     storeContexts: ['viewports'],
-    options: {}
+    options: {},
   },
   scaleUpViewport: {
-    keys: '',
     commandFn: actions.scaleViewport,
     storeContexts: ['viewports'],
-    options: { direction: 1 }
+    options: { direction: 1 },
   },
   scaleDownViewport: {
-    keys: '',
     commandFn: actions.scaleViewport,
     storeContexts: ['viewports'],
-    options: { direction: -1 }
+    options: { direction: -1 },
   },
   fitViewportToWindow: {
     commandFn: actions.scaleViewport,
     storeContexts: ['viewports'],
-    options: { direction: 0 }
+    options: { direction: 0 },
   },
   resetViewport: {
     commandFn: actions.resetViewport,
     storeContexts: ['viewports'],
-    options: {}
+    options: {},
   },
   // TODO: Clear Annotations
   // TODO: Next/Previous image
@@ -156,19 +154,19 @@ const definitions = {
   nextViewportDisplaySet: {
     commandFn: actions.updateViewportDisplaySet,
     storeContexts: [],
-    options: { direction: 1 }
+    options: { direction: 1 },
   },
   previousViewportDisplaySet: {
     commandFn: actions.updateViewportDisplaySet,
     storeContexts: [],
-    options: { direction: -1 }
+    options: { direction: -1 },
   },
   // TOOLS
   setToolActive: {
     commandFn: actions.setToolActive,
     storeContexts: [],
-    options: {}
-  }
+    options: {},
+  },
 };
 
 /**
@@ -183,5 +181,5 @@ function _getActiveViewportEnabledElement(viewports, activeIndex) {
 export default {
   actions,
   definitions,
-  defaultContext: 'ACTIVE_VIEWPORT::CORNERSTONE'
+  defaultContext: 'ACTIVE_VIEWPORT::CORNERSTONE',
 };
diff --git a/extensions/ohif-cornerstone-extension/src/handleSegmentationStorage.js b/extensions/ohif-cornerstone-extension/src/handleSegmentationStorage.js
index 2ba009cdb..a65d667d4 100644
--- a/extensions/ohif-cornerstone-extension/src/handleSegmentationStorage.js
+++ b/extensions/ohif-cornerstone-extension/src/handleSegmentationStorage.js
@@ -56,7 +56,7 @@ function retrieveDicomData(wadoUri) {
   // TODO: Authorization header depends on the server. If we ever have multiple servers
   // we will need to figure out how / when to pass this information in.
   return fetch(wadoUri, {
-    headers: OHIF.DICOMWeb.getAuthorizationHeader()
+    headers: OHIF.DICOMWeb.getAuthorizationHeader(),
   }).then(response => response.arrayBuffer());
 }
 
@@ -123,7 +123,7 @@ async function handleSegmentationStorage(
   return {
     studyInstanceUid,
     displaySetInstanceUid,
-    stack
+    stack,
   };
 }
 
diff --git a/extensions/ohif-cornerstone-extension/src/index.js b/extensions/ohif-cornerstone-extension/src/index.js
index a47f211e5..b148fa2e7 100644
--- a/extensions/ohif-cornerstone-extension/src/index.js
+++ b/extensions/ohif-cornerstone-extension/src/index.js
@@ -19,5 +19,5 @@ export default {
   },
   getCommandsModule() {
     return commandsModule;
-  }
+  },
 };
diff --git a/extensions/ohif-cornerstone-extension/src/toolbarModule.js b/extensions/ohif-cornerstone-extension/src/toolbarModule.js
index ff659359a..3fd206ade 100644
--- a/extensions/ohif-cornerstone-extension/src/toolbarModule.js
+++ b/extensions/ohif-cornerstone-extension/src/toolbarModule.js
@@ -22,7 +22,7 @@
 const TOOLBAR_BUTTON_TYPES = {
   COMMAND: 'command',
   SET_TOOL_ACTIVE: 'setToolActive',
-  BUILT_IN: 'builtIn'
+  BUILT_IN: 'builtIn',
 };
 
 const definitions = [
@@ -33,7 +33,7 @@ const definitions = [
     //
     type: TOOLBAR_BUTTON_TYPES.SET_TOOL_ACTIVE,
     commandName: 'setToolActive',
-    commandOptions: { toolName: 'StackScroll' }
+    commandOptions: { toolName: 'StackScroll' },
   },
   {
     id: 'Zoom',
@@ -42,7 +42,7 @@ const definitions = [
     //
     type: TOOLBAR_BUTTON_TYPES.SET_TOOL_ACTIVE,
     commandName: 'setToolActive',
-    commandOptions: { toolName: 'Zoom' }
+    commandOptions: { toolName: 'Zoom' },
   },
   {
     id: 'Wwwc',
@@ -51,7 +51,7 @@ const definitions = [
     //
     type: TOOLBAR_BUTTON_TYPES.SET_TOOL_ACTIVE,
     commandName: 'setToolActive',
-    commandOptions: { toolName: 'Wwwc' }
+    commandOptions: { toolName: 'Wwwc' },
   },
   {
     id: 'Pan',
@@ -60,7 +60,7 @@ const definitions = [
     //
     type: TOOLBAR_BUTTON_TYPES.SET_TOOL_ACTIVE,
     commandName: 'setToolActive',
-    commandOptions: { toolName: 'Pan' }
+    commandOptions: { toolName: 'Pan' },
   },
   {
     id: 'Length',
@@ -69,7 +69,7 @@ const definitions = [
     //
     type: TOOLBAR_BUTTON_TYPES.SET_TOOL_ACTIVE,
     commandName: 'setToolActive',
-    commandOptions: { toolName: 'Length' }
+    commandOptions: { toolName: 'Length' },
   },
   {
     id: 'Angle',
@@ -78,7 +78,7 @@ const definitions = [
     //
     type: TOOLBAR_BUTTON_TYPES.SET_TOOL_ACTIVE,
     commandName: 'setToolActive',
-    commandOptions: { toolName: 'Angle' }
+    commandOptions: { toolName: 'Angle' },
   },
   {
     id: 'Reset',
@@ -86,7 +86,7 @@ const definitions = [
     icon: 'reset',
     //
     type: TOOLBAR_BUTTON_TYPES.COMMAND,
-    commandName: 'resetViewport'
+    commandName: 'resetViewport',
   },
   {
     id: 'Cine',
@@ -95,12 +95,12 @@ const definitions = [
     //
     type: TOOLBAR_BUTTON_TYPES.BUILT_IN,
     options: {
-      behavior: 'CINE'
-    }
-  }
+      behavior: 'CINE',
+    },
+  },
 ];
 
 export default {
   definitions,
-  defaultContext: 'ACTIVE_VIEWPORT::CORNERSTONE'
+  defaultContext: 'ACTIVE_VIEWPORT::CORNERSTONE',
 };