feat: support subpage (#1663)

apps/web/src/hooks/use-blocksuite-workspace-helper.ts

@@ -9,9 +9,9 @@ export function useBlockSuiteWorkspaceHelper(
 ) {
   return useMemo(
     () => ({
-      createPage: (pageId: string, title?: string): Page => {
+      createPage: (pageId: string, parentId?: string): Page => {
         assertExists(blockSuiteWorkspace);
-        return blockSuiteWorkspace.createPage(pageId);
+        return blockSuiteWorkspace.createPage(pageId, parentId);
       },
     }),
     [blockSuiteWorkspace]

apps/web/src/hooks/use-feature-flag.ts

@@ -22,7 +22,6 @@ declare global {
     callback: Set<() => void>;
   };
 }
-
 if (!globalThis.featureFlag) {
   globalThis.featureFlag = featureFlag;
 }

apps/web/src/hooks/use-page-meta.ts

@@ -6,6 +6,7 @@ import type { BlockSuiteWorkspace } from '../shared';
 declare module '@blocksuite/store' {
   interface PageMeta {
     favorite?: boolean;
+    subpageIds: string[];
     trash?: boolean;
     trashDate?: number;
     // whether to create the page with the default template
@@ -45,6 +46,12 @@ export function usePageMetaHelper(blockSuiteWorkspace: BlockSuiteWorkspace) {
       setPageMeta: (pageId: string, pageMeta: Partial<PageMeta>) => {
         blockSuiteWorkspace.meta.setPageMeta(pageId, pageMeta);
       },
+      getPageMeta: (pageId: string) => {
+        return blockSuiteWorkspace.meta.getPageMeta(pageId);
+      },
+      shiftPageMeta: (pageId: string, index: number) => {
+        return blockSuiteWorkspace.meta.shiftPageMeta(pageId, index);
+      },
     }),
     [blockSuiteWorkspace]
   );