refactor(editor): cleanup dead code (#9294)

blocksuite/affine/shared/src/services/drag-handle-config.ts

@@ -1,69 +1,12 @@
 import {
-  type BlockComponent,
   type BlockStdScope,
-  type DndEventState,
-  type EditorHost,
   Extension,
-  type ExtensionType,
   StdIdentifier,
 } from '@blocksuite/block-std';
 import { type Container, createIdentifier } from '@blocksuite/global/di';
-import type { Point } from '@blocksuite/global/utils';
 import { Job, Slice, type SliceSnapshot } from '@blocksuite/store';
 
 export type DropType = 'before' | 'after' | 'in';
-export type OnDragStartProps = {
-  state: DndEventState;
-  startDragging: (
-    blocks: BlockComponent[],
-    state: DndEventState,
-    dragPreview?: HTMLElement,
-    dragPreviewOffset?: Point
-  ) => void;
-  anchorBlockId: string | null;
-  editorHost: EditorHost;
-};
-
-export type OnDragEndProps = {
-  state: DndEventState;
-  draggingElements: BlockComponent[];
-  dropBlockId: string;
-  dropType: DropType | null;
-  dragPreview: HTMLElement;
-  noteScale: number;
-  editorHost: EditorHost;
-};
-
-export type OnDragMoveProps = {
-  state: DndEventState;
-  draggingElements?: BlockComponent[];
-};
-
-export type DragHandleOption = {
-  flavour: string | RegExp;
-  edgeless?: boolean;
-  onDragStart?: (props: OnDragStartProps) => boolean;
-  onDragMove?: (props: OnDragMoveProps) => boolean;
-  onDragEnd?: (props: OnDragEndProps) => boolean;
-};
-
-export const DragHandleConfigIdentifier = createIdentifier<DragHandleOption>(
-  'AffineDragHandleIdentifier'
-);
-
-export function DragHandleConfigExtension(
-  option: DragHandleOption
-): ExtensionType {
-  return {
-    setup: di => {
-      const key =
-        typeof option.flavour === 'string'
-          ? option.flavour
-          : option.flavour.source;
-      di.addImpl(DragHandleConfigIdentifier(key), () => option);
-    },
-  };
-}
 
 export const DndApiExtensionIdentifier = createIdentifier<DNDAPIExtension>(
   'AffineDndApiIdentifier'