fix: pass type arguments to generic grid types (#1968)

Author: web-padawan

packages/vaadin-grid/src/interfaces.d.ts

@@ -24,12 +24,12 @@ export type GridDataProviderParams<TItem> = {
   parentItem?: TItem;
 };
 
-export type GridDataProvider = <TItem>(
+export type GridDataProvider<TItem> = (
   params: GridDataProviderParams<TItem>,
   callback: GridDataProviderCallback<TItem>
 ) => void;
 
-export type GridDragAndDropFilter = <TItem>(model: GridItemModel<TItem>) => boolean;
+export type GridDragAndDropFilter<TItem> = (model: GridItemModel<TItem>) => boolean;
 
 export type GridDropLocation = 'above' | 'on-top' | 'below' | 'empty';
 

packages/vaadin-grid/src/vaadin-grid-data-provider-mixin.d.ts

@@ -65,7 +65,7 @@ interface DataProviderMixin<TItem> {
    *     are requested, total number of items in the requested sublevel.
    *     Optional when tree is not used, required for tree.
    */
-  dataProvider: GridDataProvider | null | undefined;
+  dataProvider: GridDataProvider<TItem> | null | undefined;
 
   /**
    * `true` while data is being requested from the data provider.

packages/vaadin-grid/src/vaadin-grid-drag-and-drop-mixin.d.ts

@@ -40,7 +40,7 @@ interface DragAndDropMixin<TItem> {
    *   - `model.level` Level of the tree represented with a horizontal offset of the toggle button.
    *   - `model.selected` Selected state.
    */
-  dragFilter: GridDragAndDropFilter | null | undefined;
+  dragFilter: GridDragAndDropFilter<TItem> | null | undefined;
 
   /**
    * A function that filters dropping on specific grid rows. The return value should be false
@@ -55,7 +55,7 @@ interface DragAndDropMixin<TItem> {
    *   - `model.level` Level of the tree represented with a horizontal offset of the toggle button.
    *   - `model.selected` Selected state.
    */
-  dropFilter: GridDragAndDropFilter | null | undefined;
+  dropFilter: GridDragAndDropFilter<TItem> | null | undefined;
 
   _clearDragStyles(): void;