[lexical-playground] Bug Fix: Table action menu visibility with cell overflow

packages/lexical-playground/__tests__/e2e/Tables.spec.mjs

@@ -6181,4 +6181,60 @@ test.describe.parallel('Tables', () => {
         ),
     );
   });
+
+  test(`Table action menu is hidden when cell overflows`, async ({
+    page,
+    isPlainText,
+    isCollab,
+    browserName,
+  }) => {
+    // The way that the clicks happen in test doesn't work in firefox for some reason
+    // but it does seem to work when you do it by hand
+    test.fixme(browserName === 'firefox');
+    test.skip(isPlainText || isCollab);
+    await initialize({isCollab, page});
+    await focusEditor(page);
+
+    // Insert a 2x2 table
+    await insertTable(page, 2, 2);
+
+    // Find and drag the column resize handle
+    const firstCell = await page.$('th >> nth=0');
+    const firstCellBox = await firstCell.boundingBox();
+
+    // Click the cell in 2nd column
+    await click(page, 'th >> nth=1');
+
+    // Check that the action menu button is visible when no overflow
+    const menuVisible = await page.evaluate(() => {
+      const button = document.querySelector('.table-cell-action-button');
+      // If button exists, menu is visible
+      return !!button;
+    });
+
+    expect(menuVisible).toBe(true);
+
+    // Make the column very wide to ensure overflow
+    await page.mouse.move(
+      firstCellBox.x + firstCellBox.width - 5,
+      firstCellBox.y + firstCellBox.height / 2,
+    );
+    await page.mouse.down();
+    await page.mouse.move(
+      firstCellBox.x + 2000, // Make column very wide - 2000 for more scroll space
+      firstCellBox.y + firstCellBox.height / 2,
+    );
+    await page.mouse.up();
+
+    // Click the cell
+    await click(page, 'th >> nth=0');
+
+    const menuHidden = await page.evaluate(() => {
+      const button = document.querySelector('.table-cell-action-button');
+      // If button doesn't exist, menu is hidden
+      return !button;
+    });
+
+    expect(menuHidden).toBe(true);
+  });
 });

packages/lexical-playground/src/plugins/TableActionMenuPlugin/index.tsx

@@ -801,6 +801,35 @@ function TableCellActionMenuContainer({
 
   const [colorPickerModal, showColorPickerModal] = useModal();
 
+  const checkTableCellOverflow = useCallback(
+    (tableCellParentNodeDOM: HTMLElement): boolean => {
+      const scrollableContainer = tableCellParentNodeDOM.closest(
+        '.PlaygroundEditorTheme__tableScrollableWrapper',
+      );
+      if (scrollableContainer) {
+        const containerRect = (
+          scrollableContainer as HTMLElement
+        ).getBoundingClientRect();
+        const cellRect = tableCellParentNodeDOM.getBoundingClientRect();
+
+        // Calculate where the action button would be positioned (5px from right edge of cell)
+        // Also account for the button width and table cell padding (8px)
+        const actionButtonRight = cellRect.right - 5;
+        const actionButtonLeft = actionButtonRight - 28; // 20px width + 8px padding
+
+        // Only hide if the action button would overflow the container
+        if (
+          actionButtonRight > containerRect.right ||
+          actionButtonLeft < containerRect.left
+        ) {
+          return true;
+        }
+      }
+      return false;
+    },
+    [],
+  );
+
   const $moveMenu = useCallback(() => {
     const menu = menuButtonRef.current;
     const selection = $getSelection();
@@ -847,6 +876,10 @@ function TableCellActionMenuContainer({
         return disable();
       }
 
+      if (checkTableCellOverflow(tableCellParentNodeDOM)) {
+        return disable();
+      }
+
       const tableNode = $getTableNodeFromLexicalNodeOrThrow(
         tableCellNodeFromSelection,
       );
@@ -881,6 +914,14 @@ function TableCellActionMenuContainer({
       );
       tableObserver = getTableObserverFromTableElement(tableElement);
       tableCellParentNodeDOM = editor.getElementByKey(anchorNode.getKey());
+
+      if (tableCellParentNodeDOM === null) {
+        return disable();
+      }
+
+      if (checkTableCellOverflow(tableCellParentNodeDOM)) {
+        return disable();
+      }
     } else if (!activeElement) {
       return disable();
     }
@@ -903,7 +944,7 @@ function TableCellActionMenuContainer({
       const left = tableCellRect.right - anchorRect.left;
       menu.style.transform = `translate(${left}px, ${top}px)`;
     }
-  }, [editor, anchorElem]);
+  }, [editor, anchorElem, checkTableCellOverflow]);
 
   useEffect(() => {
     // We call the $moveMenu callback every time the selection changes,