[TreeView] Remove instance existence checks (#12066)

mui · Feb 15, 2024 · a534543 · a534543
1 parent eba5169
commit a534543
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/packages/x-tree-view/src/TreeItem/useTreeItemState.ts b/packages/x-tree-view/src/TreeItem/useTreeItemState.ts
@@ -15,7 +15,7 @@ export function useTreeItemState(nodeId: string) {
   const disabled = instance.isNodeDisabled(nodeId);
 
   const handleExpansion = (event: React.MouseEvent<HTMLDivElement>) => {
-    if (instance && !disabled) {
+    if (!disabled) {
       if (!focused) {
         instance.focusNode(event, nodeId);
       }
@@ -30,7 +30,7 @@ export function useTreeItemState(nodeId: string) {
   };
 
   const handleSelection = (event: React.MouseEvent<HTMLDivElement>) => {
-    if (instance && !disabled) {
+    if (!disabled) {
       if (!focused) {
         instance.focusNode(event, nodeId);
       }

diff --git a/packages/x-tree-view/src/internals/plugins/useTreeViewJSXNodes/useTreeViewJSXNodes.tsx b/packages/x-tree-view/src/internals/plugins/useTreeViewJSXNodes/useTreeViewJSXNodes.tsx
@@ -96,7 +96,7 @@ const useTreeViewJSXNodesItemPlugin: TreeViewItemPlugin = ({ props, ref }) => {
 
   React.useEffect(() => {
     // On the first render a node's index will be -1. We want to wait for the real index.
-    if (instance && index !== -1) {
+    if (index !== -1) {
       instance.insertJSXNode({
         id: nodeId,
         idAttribute: id,
@@ -113,7 +113,7 @@ const useTreeViewJSXNodesItemPlugin: TreeViewItemPlugin = ({ props, ref }) => {
   }, [instance, parentId, index, nodeId, expandable, disabled, id]);
 
   React.useEffect(() => {
-    if (instance && label) {
+    if (label) {
       return instance.mapFirstCharFromJSX(
         nodeId,
         (contentRef.current?.textContent ?? '').substring(0, 1).toLowerCase(),