refactor(editor): remove deprecated editor slot (#9908)

packages/frontend/core/src/components/blocksuite/block-suite-editor/blocksuite-editor-container.tsx

@@ -5,7 +5,6 @@ import {
   focusBlockEnd,
   getLastNoteBlock,
 } from '@blocksuite/affine/blocks';
-import { Slot } from '@blocksuite/affine/global/utils';
 import type {
   AffineEditorContainer,
   DocTitle,
@@ -20,7 +19,6 @@ import {
   forwardRef,
   useCallback,
   useImperativeHandle,
-  useLayoutEffect,
   useMemo,
   useRef,
 } from 'react';
@@ -38,13 +36,6 @@ interface BlocksuiteEditorContainerProps {
   style?: React.CSSProperties;
 }
 
-// mimic the interface of the webcomponent and expose slots & host
-type BlocksuiteEditorContainerRef = Pick<
-  (typeof AffineEditorContainer)['prototype'],
-  'mode' | 'doc' | 'slots' | 'host'
-> &
-  HTMLDivElement;
-
 export const BlocksuiteEditorContainer = forwardRef<
   AffineEditorContainer,
   BlocksuiteEditorContainerProps
@@ -59,23 +50,11 @@ export const BlocksuiteEditorContainer = forwardRef<
   const featureFlags = useService(FeatureFlagService).flags;
   const enableEditorRTL = useLiveData(featureFlags.enable_editor_rtl.$);
 
-  const slots: BlocksuiteEditorContainerRef['slots'] = useMemo(() => {
-    return {
-      editorModeSwitched: new Slot(),
-      docUpdated: new Slot(),
-    };
-  }, []);
-
-  useLayoutEffect(() => {
-    slots.docUpdated.emit({ newDocId: page.id });
-  }, [page, slots.docUpdated]);
-
   /**
    * mimic an AffineEditorContainer using proxy
    */
   const affineEditorContainerProxy = useMemo(() => {
     const api = {
-      slots,
       get page() {
         return page;
       },
@@ -133,7 +112,7 @@ export const BlocksuiteEditorContainer = forwardRef<
     }) as unknown as AffineEditorContainer & { origin: HTMLDivElement };
 
     return proxy;
-  }, [mode, page, slots]);
+  }, [mode, page]);
 
   useImperativeHandle(ref, () => affineEditorContainerProxy, [
     affineEditorContainerProxy,