From 0e3e43b9b5054e8b5b2041c675ef3bf76b5a1f87 Mon Sep 17 00:00:00 2001
From: delangle <flaviendelangle@gmail.com>
Date: Wed, 14 Aug 2024 10:32:26 +0200
Subject: [PATCH] Review: Olivier

---
 .../tree-view/rich-tree-view-pro/rich-tree-view-pro.json        | 2 +-
 .../x-tree-view-pro/src/RichTreeViewPro/RichTreeViewPro.tsx     | 2 +-
 .../src/TreeViewVirtualScroller/TreeViewVirtualScrollbar.tsx    | 2 +-
 .../src/TreeViewVirtualScroller/TreeViewVirtualScroller.tsx     | 1 -
 .../useTreeViewVirtualization/useTreeViewVirtualization.ts      | 2 +-
 .../useTreeViewVirtualization.types.ts                          | 2 +-
 6 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/docs/translations/api-docs/tree-view/rich-tree-view-pro/rich-tree-view-pro.json b/docs/translations/api-docs/tree-view/rich-tree-view-pro/rich-tree-view-pro.json
index 81639368619ae..0bae70fd0c1c1 100644
--- a/docs/translations/api-docs/tree-view/rich-tree-view-pro/rich-tree-view-pro.json
+++ b/docs/translations/api-docs/tree-view/rich-tree-view-pro/rich-tree-view-pro.json
@@ -138,7 +138,7 @@
     "resizeThrottleMs": {
       "description": "The millisecond throttle delay for resizing the Tree View when virtualization is enabled."
     },
-    "scrollBufferPx": { "description": "Region in pixels to render before/after the viewport" },
+    "scrollBufferPx": { "description": "Region in pixels to render before/after the viewport." },
     "selectedItems": {
       "description": "Selected item ids. (Controlled) When <code>multiSelect</code> is true this takes an array of strings; when false (default) a string."
     },
diff --git a/packages/x-tree-view-pro/src/RichTreeViewPro/RichTreeViewPro.tsx b/packages/x-tree-view-pro/src/RichTreeViewPro/RichTreeViewPro.tsx
index 4b76b97167fe2..e871e32d0f5db 100644
--- a/packages/x-tree-view-pro/src/RichTreeViewPro/RichTreeViewPro.tsx
+++ b/packages/x-tree-view-pro/src/RichTreeViewPro/RichTreeViewPro.tsx
@@ -332,7 +332,7 @@ RichTreeViewPro.propTypes = {
    */
   resizeThrottleMs: PropTypes.number,
   /**
-   * Region in pixels to render before/after the viewport
+   * Region in pixels to render before/after the viewport.
    * @default 150
    */
   scrollBufferPx: PropTypes.number,
diff --git a/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScrollbar.tsx b/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScrollbar.tsx
index c695a86817dbc..cdfd805e61a0f 100644
--- a/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScrollbar.tsx
+++ b/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScrollbar.tsx
@@ -46,7 +46,7 @@ export const TreeViewVirtualScrollbar = React.forwardRef<
   } = useTreeViewContext<[UseTreeViewVirtualizationSignature]>();
   const isLocked = React.useRef(false);
   const lastPosition = React.useRef(0);
-  const scrollbarRef = React.useRef<HTMLDivElement>(null);
+  const scrollbarRef = React.useRef<HTMLDivElement | null>(null);
   const contentRef = React.useRef<HTMLDivElement>(null);
 
   const dimensions = instance.getDimensions();
diff --git a/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScroller.tsx b/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScroller.tsx
index f5ec4d46a6b59..93d78fb75c255 100644
--- a/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScroller.tsx
+++ b/packages/x-tree-view-pro/src/TreeViewVirtualScroller/TreeViewVirtualScroller.tsx
@@ -16,7 +16,6 @@ const TreeViewVirtualScrollerRoot = styled('div', {
   '--TreeView-scrollbarSize': '10px',
   '--TreeView-hasScrollX': '0',
   '--TreeView-hasScrollY': '0',
-
   flexGrow: 1,
   position: 'relative',
   overflow: 'hidden',
diff --git a/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.ts b/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.ts
index 3ea33c38091e9..2667c8e803f7c 100644
--- a/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.ts
+++ b/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.ts
@@ -81,7 +81,7 @@ export const useTreeViewVirtualization: TreeViewPlugin<UseTreeViewVirtualization
       if (process.env.NODE_ENV !== 'production') {
         if (newSize.height === 0 && !isJSDOM) {
           warnOnce([
-            'The parent DOM element of the tree view has an empty height.',
+            'MUI X: The parent DOM element of the tree view has an empty height.',
             'Please make sure that this element has an intrinsic height.',
             'The tree view displays with a height of 0px.',
             '',
diff --git a/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.types.ts b/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.types.ts
index 8bd99c2b01a0e..f6be11f1d6437 100644
--- a/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.types.ts
+++ b/packages/x-tree-view-pro/src/internals/plugins/useTreeViewVirtualization/useTreeViewVirtualization.types.ts
@@ -22,7 +22,7 @@ export interface UseTreeViewVirtualizationInstance {
 
 export interface UseTreeViewVirtualizationParameters {
   /**
-   * Region in pixels to render before/after the viewport
+   * Region in pixels to render before/after the viewport.
    * @default 150
    */
   scrollBufferPx?: number;