DEPRECATED:

- MatTreeFlatDataSource deprecated. Use levelAccessor or childrenAccessor instead of TreeController
angular · Oct 6, 2023 · 8112e2a · 8112e2a
1 parent 59443e8
commit 8112e2a
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/material/tree/data-source/flat-data-source.ts b/src/material/tree/data-source/flat-data-source.ts
@@ -122,6 +122,10 @@ export class MatTreeFlattener<T, F, K = F> {
  * to `MatTree`.
  * The nested tree nodes of type `T` are flattened through `MatTreeFlattener`, and converted
  * to type `F` for `MatTree` to consume.
+ *
+ * @deprecated Use one of levelAccessor or childrenAccessor instead. To be removed in a future
+ * version.
+ * @breaking-change 19.0.0
  */
 export class MatTreeFlatDataSource<T, F, K = F> extends DataSource<F> {
   private readonly _flattenedData = new BehaviorSubject<F[]>([]);

diff --git a/tools/public_api_guard/material/tree.md b/tools/public_api_guard/material/tree.md
@@ -64,7 +64,7 @@ export class MatTree<T, K = T> extends CdkTree<T, K> {
     static ɵfac: i0.ɵɵFactoryDeclaration<MatTree<any, any>, never>;
 }
 
-// @public
+// @public @deprecated
 export class MatTreeFlatDataSource<T, F, K = F> extends DataSource<F> {
     constructor(_treeControl: FlatTreeControl<F, K>, _treeFlattener: MatTreeFlattener<T, F, K>, initialData?: T[]);
     // (undocumented)