Tidy

Author: microbit-robert

src/editor/codemirror/dnd.ts

@@ -109,9 +109,8 @@ const dndHandlers = ({ sessionSettings, setSessionSettings }: DragTracker) => {
         if (dragContext) {
           event.preventDefault();
 
-          const visualLine = view.lineBlockAtHeight(
-            event.y - view.documentTop || event.clientY - view.documentTop
-          );
+          const height = (event.y || event.clientY) - view.documentTop;
+          const visualLine = view.lineBlockAtHeight(height);
           const line = view.state.doc.lineAt(visualLine.from);
 
           if (line.number !== lastDragPos?.line) {
@@ -191,9 +190,8 @@ const dndHandlers = ({ sessionSettings, setSessionSettings }: DragTracker) => {
         clearSuppressChildDragEnterLeave(view);
         event.preventDefault();
 
-        const visualLine = view.lineBlockAtHeight(
-          event.y - view.documentTop || event.clientY - view.documentTop
-        );
+        const height = (event.y || event.clientY) - view.documentTop;
+        const visualLine = view.lineBlockAtHeight(height);
         const line = view.state.doc.lineAt(visualLine.from);
 
         revertPreview(view);