[DataGridPro] Use readonly array result for getTreeDataPath.

We do not try to modify the array after receiving it, so let's accept an immutable array. This is still compatible with existing usage of getTreeDataPath.
mui · Jul 18, 2024 · 7cc32b1 · 7cc32b1
1 parent 8534f2d
commit 7cc32b1
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/packages/x-data-grid-pro/src/models/dataGridProProps.ts b/packages/x-data-grid-pro/src/models/dataGridProProps.ts
@@ -153,7 +153,7 @@ interface DataGridProRegularProps<R extends GridValidRowModel> {
    * @param {R} row The row from which we want the path.
    * @returns {string[]} The path to the row.
    */
-  getTreeDataPath?: (row: R) => string[];
+  getTreeDataPath?: (row: R) => readonly string[];
 }
 
 export interface DataGridProPropsWithoutDefaultValue<R extends GridValidRowModel = any>

diff --git a/packages/x-data-grid-pro/src/tests/treeData.DataGridPro.test.tsx b/packages/x-data-grid-pro/src/tests/treeData.DataGridPro.test.tsx
@@ -214,7 +214,7 @@ describe('<DataGridPro /> - Tree data', () => {
       ]);
       setProps({
         getTreeDataPath: (row) => [...row.name.split('.').reverse()],
-      } as DataGridProProps);
+      } as Pick<DataGridProProps, 'getTreeDataPath'>);
       expect(getColumnValues(1)).to.deep.equal([
         'A',
         'A.A',