feat: support subpage (#1663)

apps/desktop/package.json

@@ -14,10 +14,10 @@
     "build:app": "tauri build"
   },
   "dependencies": {
-    "@blocksuite/blocks": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/blocks": "0.5.0-20230323032255-e75ed32",
-    "@blocksuite/editor": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/editor": "0.5.0-20230323032255-e75ed32",
     "@blocksuite/icons": "2.0.23",
-    "@blocksuite/store": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/store": "0.5.0-20230323032255-e75ed32",
     "@emotion/react": "^11.10.6",
     "@emotion/styled": "^11.10.6",
     "@tauri-apps/api": "^1.2.0",

apps/web/.env.local.template

@@ -15,3 +15,4 @@ PREFETCH_WORKSPACE=1
 ENABLE_BC_PROVIDER=1
 EXPOSE_INTERNAL=1
 ENABLE_DEBUG_PAGE=
+ENABLE_SUBPAGE=

apps/web/package.json

@@ -15,10 +15,10 @@
     "@affine/env": "workspace:*",
     "@affine/i18n": "workspace:*",
     "@affine/templates": "workspace:*",
-    "@blocksuite/blocks": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/blocks": "0.5.0-20230323032255-e75ed32",
-    "@blocksuite/editor": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/editor": "0.5.0-20230323032255-e75ed32",
     "@blocksuite/icons": "2.0.23",
-    "@blocksuite/store": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/store": "0.5.0-20230323032255-e75ed32",
     "@emotion/cache": "^11.10.5",
     "@emotion/react": "^11.10.6",
     "@emotion/server": "^11.10.0",

apps/web/preset.config.mjs

@@ -10,5 +10,6 @@ const config = {
   enableDebugPage: Boolean(
     process.env.ENABLE_DEBUG_PAGE ?? process.env.NODE_ENV === 'development'
   ),
+  enableSubpage: Boolean(process.env.ENABLE_SUBPAGE),
 };
 export default config;

apps/web/src/components/blocksuite/block-suite-page-list/page-list/index.tsx

@@ -21,7 +21,7 @@ import {
 } from '@mui/material';
 import { useAtomValue } from 'jotai';
 import type React from 'react';
-import { useMemo } from 'react';
+import { useCallback, useMemo } from 'react';
 
 import { workspacePreferredModeAtom } from '../../../../atoms';
 import {
@@ -87,9 +87,13 @@ type PageListProps = {
 };
 
 const filter = {
-  all: (pageMeta: PageMeta) => !pageMeta.trash,
+  all: (pageMeta: PageMeta, allMetas: PageMeta[]) => !pageMeta.trash,
-  trash: (pageMeta: PageMeta) => pageMeta.trash,
+  trash: (pageMeta: PageMeta, allMetas: PageMeta[]) => {
-  favorite: (pageMeta: PageMeta) => pageMeta.favorite,
+    const parentMeta = allMetas.find(m => m.subpageIds?.includes(pageMeta.id));
+    return !parentMeta?.trash && pageMeta.trash;
+  },
+  favorite: (pageMeta: PageMeta, allMetas: PageMeta[]) =>
+    pageMeta.favorite && !pageMeta.trash,
 };
 
 export const PageList: React.FC<PageListProps> = ({
@@ -106,9 +110,26 @@ export const PageList: React.FC<PageListProps> = ({
   const isTrash = listType === 'trash';
   const record = useAtomValue(workspacePreferredModeAtom);
   const list = useMemo(
-    () => pageList.filter(filter[listType ?? 'all']),
+    () =>
+      pageList.filter(pageMeta =>
+        filter[listType ?? 'all'](pageMeta, pageList)
+      ),
     [pageList, listType]
   );
+  const restorePage = useCallback(
+    (pageMeta: PageMeta, allMetas: PageMeta[]) => {
+      helper.setPageMeta(pageMeta.id, {
+        trash: false,
+      });
+
+      allMetas
+        .filter(m => pageMeta?.subpageIds.includes(m.id))
+        .forEach(m => {
+          restorePage(m, allMetas);
+        });
+    },
+    [helper]
+  );
   if (list.length === 0) {
     return <Empty listType={listType} />;
   }
@@ -194,9 +215,7 @@ export const PageList: React.FC<PageListProps> = ({
                               blockSuiteWorkspace.removePage(pageId);
                             }}
                             onRestorePage={() => {
-                              helper.setPageMeta(pageMeta.id, {
+                              restorePage(pageMeta, pageList);
-                                trash: false,
-                              });
                             }}
                             onOpenPage={pageId => {
                               onClickPage(pageId, false);

apps/web/src/components/pure/workspace-slider-bar/index.tsx

@@ -1,5 +1,6 @@
 import { MuiCollapse } from '@affine/component';
 import { IconButton } from '@affine/component';
+import { config } from '@affine/env';
 import { useTranslation } from '@affine/i18n';
 import {
   ArrowDownSmallIcon,
@@ -20,6 +21,7 @@ import { useSidebarStatus } from '../../../hooks/affine/use-sidebar-status';
 import { usePageMeta } from '../../../hooks/use-page-meta';
 import type { RemWorkspace } from '../../../shared';
 import { SidebarSwitch } from '../../affine/sidebar-switch';
+import { Pivot } from './pivot';
 import {
   StyledLink,
   StyledListItem,
@@ -168,6 +170,15 @@ export const WorkSpaceSliderBar: React.FC<WorkSpaceSliderBarProps> = ({
               <span data-testid="all-pages">{t('All pages')}</span>
             </StyledListItem>
           </Link>
+
+          {config.enableSubpage && !!currentWorkspace && (
+            <Pivot
+              currentWorkspace={currentWorkspace}
+              openPage={openPage}
+              allMetas={pageMeta}
+            />
+          )}
+
           <StyledListItem
             active={
               currentPath ===

apps/web/src/components/pure/workspace-slider-bar/pivot/Pivot.tsx

@@ -0,0 +1,232 @@
+import { IconButton, MuiCollapse, TreeView } from '@affine/component';
+import { DebugLogger } from '@affine/debug';
+import { ArrowDownSmallIcon, FolderIcon } from '@blocksuite/icons';
+import type { PageMeta } from '@blocksuite/store';
+import { nanoid } from '@blocksuite/store';
+import { useCallback, useMemo, useState } from 'react';
+
+import { useBlockSuiteWorkspaceHelper } from '../../../../hooks/use-blocksuite-workspace-helper';
+import { usePageMetaHelper } from '../../../../hooks/use-page-meta';
+import type { RemWorkspace } from '../../../../shared';
+import { StyledListItem } from '../style';
+import type { TreeNode } from './types';
+import { flattenToTree } from './utils';
+const logger = new DebugLogger('pivot');
+
+export const PivotInternal = ({
+  currentWorkspace,
+  openPage,
+  allMetas,
+}: {
+  currentWorkspace: RemWorkspace;
+  openPage: (pageId: string) => void;
+  allMetas: PageMeta[];
+}) => {
+  const { createPage } = useBlockSuiteWorkspaceHelper(
+    currentWorkspace.blockSuiteWorkspace
+  );
+  const { getPageMeta, setPageMeta, shiftPageMeta } = usePageMetaHelper(
+    currentWorkspace.blockSuiteWorkspace
+  );
+
+  const treeData = useMemo(
+    () => flattenToTree(allMetas, { openPage }),
+    [allMetas, openPage]
+  );
+
+  const handleAdd = useCallback(
+    (node: TreeNode) => {
+      const id = nanoid();
+      createPage(id, node.id);
+      openPage(id);
+    },
+    [createPage, openPage]
+  );
+
+  const handleDelete = useCallback(
+    (node: TreeNode) => {
+      const removeToTrash = (pageMeta: PageMeta) => {
+        const { subpageIds = [] } = pageMeta;
+        setPageMeta(pageMeta.id, { trash: true, trashDate: +new Date() });
+        subpageIds.forEach(id => {
+          const subpageMeta = getPageMeta(id);
+          subpageMeta && removeToTrash(subpageMeta);
+        });
+      };
+      removeToTrash(node as PageMeta);
+    },
+    [getPageMeta, setPageMeta]
+  );
+
+  const handleDrop = useCallback(
+    (
+      dragNode: TreeNode,
+      dropNode: TreeNode,
+      position: {
+        topLine: boolean;
+        bottomLine: boolean;
+        internal: boolean;
+      }
+    ) => {
+      const { topLine, bottomLine } = position;
+      logger.info('handleDrop', { dragNode, dropNode, bottomLine, allMetas });
+
+      const dragParentMeta = allMetas.find(meta =>
+        meta.subpageIds?.includes(dragNode.id)
+      );
+      if (bottomLine || topLine) {
+        const insertOffset = bottomLine ? 1 : 0;
+        const dropParentMeta = allMetas.find(m =>
+          m.subpageIds?.includes(dropNode.id)
+        );
+
+        if (!dropParentMeta) {
+          // drop into root
+          logger.info('drop into root and resort');
+
+          if (dragParentMeta) {
+            const newSubpageIds = [...(dragParentMeta.subpageIds ?? [])];
+
+            const deleteIndex = dragParentMeta.subpageIds?.findIndex(
+              id => id === dragNode.id
+            );
+            newSubpageIds.splice(deleteIndex, 1);
+            setPageMeta(dragParentMeta.id, {
+              subpageIds: newSubpageIds,
+            });
+          }
+
+          logger.info('resort root meta');
+          const insertIndex =
+            allMetas.findIndex(m => m.id === dropNode.id) + insertOffset;
+          shiftPageMeta(dragNode.id, insertIndex);
+
+          return;
+        }
+
+        if (
+          dragParentMeta &&
+          (dragParentMeta.id === dropNode.id ||
+            dragParentMeta.id === dropParentMeta!.id)
+        ) {
+          logger.info('drop to resort');
+          // need to resort
+          const newSubpageIds = [...(dragParentMeta.subpageIds ?? [])];
+
+          const deleteIndex = newSubpageIds.findIndex(id => id === dragNode.id);
+          newSubpageIds.splice(deleteIndex, 1);
+
+          const insertIndex =
+            newSubpageIds.findIndex(id => id === dropNode.id) + insertOffset;
+          newSubpageIds.splice(insertIndex, 0, dragNode.id);
+          setPageMeta(dropParentMeta.id, {
+            subpageIds: newSubpageIds,
+          });
+          return;
+        }
+
+        logger.info('drop into drop node parent and resort');
+
+        if (dragParentMeta) {
+          const metaIndex = dragParentMeta.subpageIds.findIndex(
+            id => id === dragNode.id
+          );
+          const newSubpageIds = [...dragParentMeta.subpageIds];
+          newSubpageIds.splice(metaIndex, 1);
+          setPageMeta(dragParentMeta.id, {
+            subpageIds: newSubpageIds,
+          });
+        }
+        const newSubpageIds = [...(dropParentMeta!.subpageIds ?? [])];
+        const insertIndex =
+          newSubpageIds.findIndex(id => id === dropNode.id) + 1;
+        newSubpageIds.splice(insertIndex, 0, dragNode.id);
+        setPageMeta(dropParentMeta.id, {
+          subpageIds: newSubpageIds,
+        });
+        return;
+      }
+
+      logger.info('drop into the drop node');
+
+      // drop into the node
+      if (dragParentMeta && dragParentMeta.id === dropNode.id) {
+        return;
+      }
+      if (dragParentMeta) {
+        const metaIndex = dragParentMeta.subpageIds.findIndex(
+          id => id === dragNode.id
+        );
+        const newSubpageIds = [...dragParentMeta.subpageIds];
+        newSubpageIds.splice(metaIndex, 1);
+        setPageMeta(dragParentMeta.id, {
+          subpageIds: newSubpageIds,
+        });
+      }
+      const dropMeta = allMetas.find(meta => meta.id === dropNode.id)!;
+      const newSubpageIds = [dragNode.id, ...(dropMeta.subpageIds ?? [])];
+      setPageMeta(dropMeta.id, {
+        subpageIds: newSubpageIds,
+      });
+    },
+    [allMetas, setPageMeta, shiftPageMeta]
+  );
+
+  return (
+    <TreeView
+      data={treeData}
+      onAdd={handleAdd}
+      onDelete={handleDelete}
+      onDrop={handleDrop}
+    />
+  );
+};
+
+export const Pivot = ({
+  currentWorkspace,
+  openPage,
+  allMetas,
+}: {
+  currentWorkspace: RemWorkspace;
+  openPage: (pageId: string) => void;
+  allMetas: PageMeta[];
+}) => {
+  const [showPivot, setShowPivot] = useState(true);
+
+  return (
+    <>
+      <StyledListItem>
+        <FolderIcon />
+        Pivot
+        <IconButton
+          darker={true}
+          onClick={useCallback(() => {
+            setShowPivot(!showPivot);
+          }, [showPivot])}
+        >
+          <ArrowDownSmallIcon
+            style={{
+              transform: `rotate(${showPivot ? '180' : '0'}deg)`,
+            }}
+          />
+        </IconButton>
+      </StyledListItem>
+
+      <MuiCollapse
+        in={showPivot}
+        style={{
+          maxHeight: 300,
+          paddingLeft: '12px',
+          overflowY: 'auto',
+        }}
+      >
+        <PivotInternal
+          currentWorkspace={currentWorkspace}
+          openPage={openPage}
+          allMetas={allMetas}
+        />
+      </MuiCollapse>
+    </>
+  );
+};
+export default Pivot;

apps/web/src/components/pure/workspace-slider-bar/pivot/TreeNodeRender.tsx

@@ -0,0 +1,69 @@
+import { IconButton } from '@affine/component';
+import {
+  ArrowDownSmallIcon,
+  DeleteTemporarilyIcon,
+  PlusIcon,
+} from '@blocksuite/icons';
+import { useRouter } from 'next/router';
+
+import { StyledCollapsedButton, StyledPivotItem } from './styles';
+import type { TreeNode } from './types';
+
+export const TreeNodeRender: TreeNode['render'] = (
+  node,
+  { onAdd, onDelete, collapsed, setCollapsed },
+  extendProps
+) => {
+  const { openPage } = extendProps as { openPage: (pageId: string) => void };
+
+  const router = useRouter();
+  const active = router.query.pageId === node.id;
+  return (
+    <StyledPivotItem
+      onClick={() => {
+        if (active) {
+          return;
+        }
+        openPage(node.id);
+      }}
+      active={active}
+    >
+      <StyledCollapsedButton
+        show={!!node.children?.length}
+        onClick={e => {
+          e.stopPropagation();
+          setCollapsed(!collapsed);
+        }}
+        size="small"
+      >
+        <ArrowDownSmallIcon
+          style={{
+            transform: `rotate(${collapsed ? '0' : '180'}deg)`,
+          }}
+        />
+      </StyledCollapsedButton>
+      <span>{node.title || 'Untitled'}</span>
+      <IconButton
+        onClick={e => {
+          e.stopPropagation();
+          onAdd();
+        }}
+        size="small"
+        className="pivot-item-button"
+      >
+        <PlusIcon />
+      </IconButton>
+      <IconButton
+        onClick={e => {
+          e.stopPropagation();
+
+          onDelete();
+        }}
+        size="small"
+        className="pivot-item-button"
+      >
+        <DeleteTemporarilyIcon />
+      </IconButton>
+    </StyledPivotItem>
+  );
+};

apps/web/src/components/pure/workspace-slider-bar/pivot/index.tsx

@@ -0,0 +1,2 @@
+export * from './Pivot';
+export * from './types';

apps/web/src/components/pure/workspace-slider-bar/pivot/styles.ts

@@ -0,0 +1,47 @@
+import {
+  displayFlex,
+  IconButton,
+  styled,
+  textEllipsis,
+} from '@affine/component';
+
+export const StyledPivotItem = styled('div')<{ active: boolean }>(
+  ({ active, theme }) => {
+    return {
+      width: '100%',
+      height: '32px',
+      ...displayFlex('flex-start', 'center'),
+      paddingLeft: '24px',
+      position: 'relative',
+      color: active ? theme.colors.primaryColor : theme.colors.textColor,
+      cursor: 'pointer',
+      span: {
+        flexGrow: '1',
+        ...textEllipsis(1),
+      },
+      '.pivot-item-button': {
+        display: 'none',
+      },
+      ':hover': {
+        '.pivot-item-button': {
+          display: 'flex',
+        },
+      },
+    };
+  }
+);
+
+export const StyledCollapsedButton = styled(IconButton, {
+  shouldForwardProp: prop => {
+    return !['show'].includes(prop as string);
+  },
+})<{ show: boolean }>(({ show }) => {
+  return {
+    display: show ? 'block' : 'none',
+    position: 'absolute',
+    left: '0px',
+    top: '0px',
+    bottom: '0px',
+    margin: 'auto',
+  };
+});

apps/web/src/components/pure/workspace-slider-bar/pivot/types.ts

@@ -0,0 +1,4 @@
+import type { Node } from '@affine/component';
+import type { PageMeta } from '@blocksuite/store';
+
+export type TreeNode = Node<PageMeta>;

apps/web/src/components/pure/workspace-slider-bar/pivot/utils.ts

@@ -0,0 +1,43 @@
+import type { PageMeta } from '@blocksuite/store';
+
+import { TreeNodeRender } from './TreeNodeRender';
+import type { TreeNode } from './types';
+export const flattenToTree = (
+  handleMetas: PageMeta[],
+  renderProps: { openPage: (pageId: string) => void }
+): TreeNode[] => {
+  // Compatibility process: the old data not has `subpageIds`, it is a root page
+  const metas = JSON.parse(JSON.stringify(handleMetas)) as PageMeta[];
+  const rootMetas = metas
+    .filter(meta => {
+      if (meta.subpageIds) {
+        return (
+          metas.find(m => {
+            return m.subpageIds?.includes(meta.id);
+          }) === undefined
+        );
+      }
+      return true;
+    })
+    .filter(meta => !meta.trash);
+
+  const helper = (internalMetas: PageMeta[]): TreeNode[] => {
+    return internalMetas.reduce<TreeNode[]>((returnedMetas, internalMeta) => {
+      const { subpageIds = [] } = internalMeta;
+      const childrenMetas = subpageIds
+        .map(id => metas.find(m => m.id === id)!)
+        .filter(meta => !meta.trash);
+      // FIXME: remove ts-ignore after blocksuite update
+      // @ts-ignore
+      const returnedMeta: TreeNode = {
+        ...internalMeta,
+        children: helper(childrenMetas),
+        render: (node, props) => TreeNodeRender!(node, props, renderProps),
+      };
+      // @ts-ignore
+      returnedMetas.push(returnedMeta);
+      return returnedMetas;
+    }, []);
+  };
+  return helper(rootMetas);
+};

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]
   );

packages/component/package.json

@@ -15,11 +15,11 @@
   "dependencies": {
     "@affine/debug": "workspace:*",
     "@affine/i18n": "workspace:*",
-    "@blocksuite/blocks": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/blocks": "0.5.0-20230323032255-e75ed32",
-    "@blocksuite/editor": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/editor": "0.5.0-20230323032255-e75ed32",
-    "@blocksuite/global": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/global": "0.5.0-20230323032255-e75ed32",
     "@blocksuite/icons": "2.0.23",
-    "@blocksuite/store": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/store": "0.5.0-20230323032255-e75ed32",
     "@emotion/cache": "^11.10.5",
     "@emotion/react": "^11.10.6",
     "@emotion/server": "^11.10.0",
@@ -29,6 +29,8 @@
     "@mui/material": "^5.11.13",
     "lit": "^2.6.1",
     "react": "^18.2.0",
+    "react-dnd": "^16.0.1",
+    "react-dnd-html5-backend": "^16.0.1",
     "react-dom": "^18.2.0",
     "react-is": "^18.2.0"
   },
@@ -44,6 +46,7 @@
     "@storybook/test-runner": "0.10.0-next.11",
     "@storybook/testing-library": "0.0.14-next.1",
     "@types/react": "^18.0.28",
+    "@types/react-dnd": "^3.0.2",
     "@types/react-dom": "18.0.11",
     "@vitejs/plugin-react": "^3.1.0",
     "jest-mock": "^29.5.0",

packages/component/src/index.ts

@@ -15,6 +15,7 @@ export * from './ui/shared/Container';
 export * from './ui/table';
 export * from './ui/toast';
 export * from './ui/tooltip';
+export * from './ui/tree-view';
 
 declare module '@mui/material/styles' {
   interface Theme {

packages/component/src/ui/tree-view/TreeNode.tsx

@@ -0,0 +1,128 @@
+import { useState } from 'react';
+import { useDrag, useDrop } from 'react-dnd';
+
+import {
+  StyledCollapse,
+  StyledNodeLine,
+  StyledTreeNodeContainer,
+  StyledTreeNodeItem,
+} from './styles';
+import type { Node, NodeLIneProps, TreeNodeProps } from './types';
+
+const NodeLine = <N,>({
+  node,
+  onDrop,
+  allowDrop = true,
+  isTop = false,
+}: NodeLIneProps<N>) => {
+  const [{ isOver }, drop] = useDrop(
+    () => ({
+      accept: 'node',
+      drop: (item: Node<N>, monitor) => {
+        const didDrop = monitor.didDrop();
+        if (didDrop) {
+          return;
+        }
+        onDrop?.(item, node, {
+          internal: false,
+          topLine: isTop,
+          bottomLine: !isTop,
+        });
+      },
+      collect: monitor => ({
+        isOver: monitor.isOver(),
+        canDrop: monitor.canDrop(),
+      }),
+    }),
+    [onDrop]
+  );
+
+  return <StyledNodeLine ref={drop} show={isOver && allowDrop} isTop={isTop} />;
+};
+
+export const TreeNode = <N,>({
+  node,
+  index,
+  allDrop = true,
+  ...otherProps
+}: TreeNodeProps<N>) => {
+  const { onAdd, onDelete, onDrop } = otherProps;
+  const [collapsed, setCollapsed] = useState(false);
+
+  const [{ isDragging }, drag] = useDrag(() => ({
+    type: 'node',
+    item: node,
+    collect: monitor => ({
+      isDragging: monitor.isDragging(),
+    }),
+  }));
+
+  const [{ canDrop, isOver }, drop] = useDrop(
+    () => ({
+      accept: 'node',
+      drop: (item: Node<N>, monitor) => {
+        const didDrop = monitor.didDrop();
+        if (didDrop || item.id === node.id || !allDrop) {
+          return;
+        }
+        onDrop?.(item, node, {
+          internal: true,
+          topLine: false,
+          bottomLine: false,
+        });
+      },
+      collect: monitor => ({
+        isOver: monitor.isOver(),
+        canDrop: monitor.canDrop(),
+      }),
+    }),
+    [onDrop, allDrop]
+  );
+
+  return (
+    <StyledTreeNodeContainer ref={drag} isDragging={isDragging}>
+      <StyledTreeNodeItem
+        ref={drop}
+        isOver={isOver && !isDragging}
+        canDrop={canDrop}
+      >
+        {index === 0 && (
+          <NodeLine
+            node={node}
+            {...otherProps}
+            allowDrop={!isDragging && allDrop}
+            isTop={true}
+          />
+        )}
+        {node.render?.(node, {
+          onAdd: () => onAdd?.(node),
+          onDelete: () => onDelete?.(node),
+          collapsed,
+          setCollapsed,
+        })}
+        {(!node.children?.length || collapsed) && (
+          <NodeLine
+            node={node}
+            {...otherProps}
+            allowDrop={!isDragging && allDrop}
+          />
+        )}
+      </StyledTreeNodeItem>
+
+      <StyledCollapse in={!collapsed}>
+        {node.children &&
+          node.children.map((childNode, index) => (
+            <TreeNode
+              key={childNode.id}
+              node={childNode}
+              index={index}
+              allDrop={isDragging ? false : allDrop}
+              {...otherProps}
+            />
+          ))}
+      </StyledCollapse>
+    </StyledTreeNodeContainer>
+  );
+};
+
+export default TreeNode;

packages/component/src/ui/tree-view/TreeView.tsx

@@ -0,0 +1,16 @@
+import { DndProvider } from 'react-dnd';
+import { HTML5Backend } from 'react-dnd-html5-backend';
+
+import { TreeNode } from './TreeNode';
+import type { TreeViewProps } from './types';
+export const TreeView = <N,>({ data, ...otherProps }: TreeViewProps<N>) => {
+  return (
+    <DndProvider backend={HTML5Backend}>
+      {data.map((node, index) => (
+        <TreeNode key={node.id} index={index} node={node} {...otherProps} />
+      ))}
+    </DndProvider>
+  );
+};
+
+export default TreeView;

packages/component/src/ui/tree-view/index.ts

@@ -0,0 +1,3 @@
+export * from './TreeNode';
+export * from './TreeView';
+export * from './types';

packages/component/src/ui/tree-view/styles.ts

@@ -0,0 +1,40 @@
+import MuiCollapse from '@mui/material/Collapse';
+
+import { styled } from '../../styles';
+
+export const StyledCollapse = styled(MuiCollapse)(() => {
+  return {
+    paddingLeft: '12px',
+  };
+});
+export const StyledTreeNodeItem = styled('div')<{
+  isOver?: boolean;
+  canDrop?: boolean;
+}>(({ isOver, canDrop, theme }) => {
+  return {
+    background: isOver && canDrop ? theme.colors.hoverBackground : '',
+    position: 'relative',
+  };
+});
+export const StyledTreeNodeContainer = styled('div')<{ isDragging: boolean }>(
+  ({ isDragging, theme }) => {
+    return {
+      background: isDragging ? theme.colors.hoverBackground : '',
+    };
+  }
+);
+
+export const StyledNodeLine = styled('div')<{ show: boolean; isTop?: boolean }>(
+  ({ show, isTop = false, theme }) => {
+    return {
+      position: 'absolute',
+      left: '0',
+      ...(isTop ? { top: '0' } : { bottom: '0' }),
+      width: '100%',
+      paddingTop: '3px',
+      borderBottom: '3px solid',
+      borderColor: show ? theme.colors.primaryColor : 'transparent',
+      zIndex: 1,
+    };
+  }
+);

packages/component/src/ui/tree-view/types.ts

@@ -0,0 +1,45 @@
+import type { ReactNode } from 'react';
+
+export type Node<N> = {
+  id: string;
+  children?: Node<N>[];
+  render?: (
+    node: Node<N>,
+    eventsAndStatus: {
+      onAdd: () => void;
+      onDelete: () => void;
+      collapsed: boolean;
+      setCollapsed: (collapsed: boolean) => void;
+    },
+    extendProps?: unknown
+  ) => ReactNode;
+} & N;
+
+type CommonProps<N> = {
+  onAdd?: (node: Node<N>) => void;
+  onDelete?: (node: Node<N>) => void;
+  onDrop?: (
+    dragNode: Node<N>,
+    dropNode: Node<N>,
+    position: {
+      topLine: boolean;
+      bottomLine: boolean;
+      internal: boolean;
+    }
+  ) => void;
+};
+
+export type TreeNodeProps<N> = {
+  node: Node<N>;
+  index: number;
+  allDrop?: boolean;
+} & CommonProps<N>;
+
+export type TreeViewProps<N> = {
+  data: Node<N>[];
+} & CommonProps<N>;
+
+export type NodeLIneProps<N> = {
+  allowDrop: boolean;
+  isTop?: boolean;
+} & Pick<TreeNodeProps<N>, 'node' | 'onDrop'>;

packages/data-center/package.json

@@ -14,8 +14,8 @@
   },
   "dependencies": {
     "@affine/debug": "workspace:*",
-    "@blocksuite/blocks": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/blocks": "0.5.0-20230323032255-e75ed32",
-    "@blocksuite/store": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/store": "0.5.0-20230323032255-e75ed32",
     "@tauri-apps/api": "^1.2.0",
     "encoding": "^0.1.13",
     "firebase": "^9.18.0",

packages/env/package.json

@@ -9,7 +9,7 @@
     "zod": "^3.21.4"
   },
   "dependencies": {
-    "@blocksuite/global": "0.5.0-20230320164115-e612d17",
+    "@blocksuite/global": "0.5.0-20230323032255-e75ed32",
     "lit": "^2.6.1"
   }
 }

packages/env/src/index.ts

@@ -112,6 +112,7 @@ export const publicRuntimeConfigSchema = z.object({
   prefetchWorkspace: z.boolean(),
   // expose internal api to globalThis, **development only**
   exposeInternal: z.boolean(),
+  enableSubpage: z.boolean(),
 });
 
 export type PublicRuntimeConfig = z.infer<typeof publicRuntimeConfigSchema>;

yarn.lock

@@ -22,10 +22,10 @@ __metadata:
     "@affine/env": "workspace:*"
     "@affine/i18n": "workspace:*"
     "@affine/templates": "workspace:*"
-    "@blocksuite/blocks": 0.5.0-20230320164115-e612d17
+    "@blocksuite/blocks": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/editor": 0.5.0-20230320164115-e612d17
+    "@blocksuite/editor": 0.5.0-20230323032255-e75ed32
     "@blocksuite/icons": 2.0.23
-    "@blocksuite/store": 0.5.0-20230320164115-e612d17
+    "@blocksuite/store": 0.5.0-20230323032255-e75ed32
     "@emotion/cache": ^11.10.5
     "@emotion/react": ^11.10.6
     "@emotion/server": ^11.10.0
@@ -83,10 +83,10 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@affine/client-app@workspace:apps/desktop"
   dependencies:
-    "@blocksuite/blocks": 0.5.0-20230320164115-e612d17
+    "@blocksuite/blocks": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/editor": 0.5.0-20230320164115-e612d17
+    "@blocksuite/editor": 0.5.0-20230323032255-e75ed32
     "@blocksuite/icons": 2.0.23
-    "@blocksuite/store": 0.5.0-20230320164115-e612d17
+    "@blocksuite/store": 0.5.0-20230323032255-e75ed32
     "@emotion/react": ^11.10.6
     "@emotion/styled": ^11.10.6
     "@tauri-apps/api": ^1.2.0
@@ -118,11 +118,11 @@ __metadata:
   dependencies:
     "@affine/debug": "workspace:*"
     "@affine/i18n": "workspace:*"
-    "@blocksuite/blocks": 0.5.0-20230320164115-e612d17
+    "@blocksuite/blocks": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/editor": 0.5.0-20230320164115-e612d17
+    "@blocksuite/editor": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/global": 0.5.0-20230320164115-e612d17
+    "@blocksuite/global": 0.5.0-20230323032255-e75ed32
     "@blocksuite/icons": 2.0.23
-    "@blocksuite/store": 0.5.0-20230320164115-e612d17
+    "@blocksuite/store": 0.5.0-20230323032255-e75ed32
     "@emotion/cache": ^11.10.5
     "@emotion/react": ^11.10.6
     "@emotion/server": ^11.10.0
@@ -141,11 +141,14 @@ __metadata:
     "@storybook/test-runner": 0.10.0-next.11
     "@storybook/testing-library": 0.0.14-next.1
     "@types/react": ^18.0.28
+    "@types/react-dnd": ^3.0.2
     "@types/react-dom": 18.0.11
     "@vitejs/plugin-react": ^3.1.0
     jest-mock: ^29.5.0
     lit: ^2.6.1
     react: ^18.2.0
+    react-dnd: ^16.0.1
+    react-dnd-html5-backend: ^16.0.1
     react-dom: ^18.2.0
     react-is: ^18.2.0
     storybook: 7.0.0-rc.1
@@ -161,8 +164,8 @@ __metadata:
   resolution: "@affine/datacenter@workspace:packages/data-center"
   dependencies:
     "@affine/debug": "workspace:*"
-    "@blocksuite/blocks": 0.5.0-20230320164115-e612d17
+    "@blocksuite/blocks": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/store": 0.5.0-20230320164115-e612d17
+    "@blocksuite/store": 0.5.0-20230323032255-e75ed32
     "@tauri-apps/api": ^1.2.0
     encoding: ^0.1.13
     fake-indexeddb: 4.0.1
@@ -215,7 +218,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@affine/env@workspace:packages/env"
   dependencies:
-    "@blocksuite/global": 0.5.0-20230320164115-e612d17
+    "@blocksuite/global": 0.5.0-20230323032255-e75ed32
     lit: ^2.6.1
     next: =13.2.3
     react: ^18.2.0
@@ -1752,15 +1755,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@blocksuite/blocks@npm:0.5.0-20230320164115-e612d17":
+"@blocksuite/blocks@npm:0.5.0-20230323032255-e75ed32":
-  version: 0.5.0-20230320164115-e612d17
+  version: 0.5.0-20230323032255-e75ed32
-  resolution: "@blocksuite/blocks@npm:0.5.0-20230320164115-e612d17"
+  resolution: "@blocksuite/blocks@npm:0.5.0-20230323032255-e75ed32"
   dependencies:
-    "@blocksuite/global": 0.5.0-20230320164115-e612d17
+    "@blocksuite/global": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/phasor": 0.5.0-20230320164115-e612d17
+    "@blocksuite/phasor": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/virgo": 0.5.0-20230320164115-e612d17
+    "@blocksuite/virgo": 0.5.0-20230323032255-e75ed32
     "@popperjs/core": ^2.11.6
-    highlight.js: ^11.7.0
     hotkeys-js: ^3.10.1
     lit: ^2.6.1
     marked: ^4.2.12
@@ -1768,29 +1770,29 @@ __metadata:
     turndown: ^7.1.1
     zod: ^3.21.4
   peerDependencies:
-    "@blocksuite/store": 0.5.0-20230320164115-e612d17
+    "@blocksuite/store": 0.5.0-20230323032255-e75ed32
-  checksum: ebbe156f0e0320ecac28e744bde121671d7c2eedfb222a89c454c98662d27a59dc362f9b1d00c236ac5e8ffd5af900e70b4fe0e8d2c6e5acea3260ea96bd9ce7
+  checksum: 6b850678b983ca7a0e85abf32a32dba2b52b95935d15ae831f23505933bc98b651972417a986a5d43aabe26e7497773d9e12a263dcfafb690665d0f88bc6224b
   languageName: node
   linkType: hard
 
-"@blocksuite/editor@npm:0.5.0-20230320164115-e612d17":
+"@blocksuite/editor@npm:0.5.0-20230323032255-e75ed32":
-  version: 0.5.0-20230320164115-e612d17
+  version: 0.5.0-20230323032255-e75ed32
-  resolution: "@blocksuite/editor@npm:0.5.0-20230320164115-e612d17"
+  resolution: "@blocksuite/editor@npm:0.5.0-20230323032255-e75ed32"
   dependencies:
-    "@blocksuite/global": 0.5.0-20230320164115-e612d17
+    "@blocksuite/global": 0.5.0-20230323032255-e75ed32
     lit: ^2.6.1
     marked: ^4.2.12
     turndown: ^7.1.1
   peerDependencies:
-    "@blocksuite/blocks": 0.5.0-20230320164115-e612d17
+    "@blocksuite/blocks": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/store": 0.5.0-20230320164115-e612d17
+    "@blocksuite/store": 0.5.0-20230323032255-e75ed32
-  checksum: 8e797059cd2df4ae3f17d9c39ae3b8493d40cb26303a0aee53113a6dc5d60943fc7bea008f8928543267e2883fb729230aedb90a142b5c01c330d044befbb0a3
+  checksum: dec95740eacca9294a53547503480fa5681c10ca914c7b214e8a367fe52e8fe5e0dc1de4cf63439b49acb69b95220b1d9f70cd1d3ca55775a70087ef7922d900
   languageName: node
   linkType: hard
 
-"@blocksuite/global@npm:0.5.0-20230320164115-e612d17":
+"@blocksuite/global@npm:0.5.0-20230323032255-e75ed32":
-  version: 0.5.0-20230320164115-e612d17
+  version: 0.5.0-20230323032255-e75ed32
-  resolution: "@blocksuite/global@npm:0.5.0-20230320164115-e612d17"
+  resolution: "@blocksuite/global@npm:0.5.0-20230323032255-e75ed32"
   dependencies:
     ansi-colors: ^4.1.3
     zod: ^3.21.4
@@ -1799,7 +1801,7 @@ __metadata:
   peerDependenciesMeta:
     lit:
       optional: true
-  checksum: 78f4b473a7d0fa1caa9c4fccb020064f56ca8d9d7585fdd706d8a6bd88e5abeda899596bce56cb7ef19309535144ec817267b032a8567f179ea6e580e1b57526
+  checksum: 2a72cb1407bf4a8438a385b7c7421b6c7c053641b20a20d7a2c43230933d75460331ff8d810c239dafa7769e13723a4caeb56fb1067ccda77011654ea936c533
   languageName: node
   linkType: hard
 
@@ -1813,26 +1815,26 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@blocksuite/phasor@npm:0.5.0-20230320164115-e612d17":
+"@blocksuite/phasor@npm:0.5.0-20230323032255-e75ed32":
-  version: 0.5.0-20230320164115-e612d17
+  version: 0.5.0-20230323032255-e75ed32
-  resolution: "@blocksuite/phasor@npm:0.5.0-20230320164115-e612d17"
+  resolution: "@blocksuite/phasor@npm:0.5.0-20230323032255-e75ed32"
   dependencies:
-    "@blocksuite/global": 0.5.0-20230320164115-e612d17
+    "@blocksuite/global": 0.5.0-20230323032255-e75ed32
     fractional-indexing: ^3.2.0
     perfect-freehand: ^1.2.0
   peerDependencies:
     nanoid: ^4
     yjs: ^13
-  checksum: 06fb6d531aa84838cbcaf0b5ddb0e1da40a98da165e570ac70348e76e459a6a9c93ee71bd4b536b05e4dd51e89bf243d96eb6add755ffda20d2dcd6e497bd2fa
+  checksum: 083f5932edf4366274406b979be90af54898c7c788d8243ffc0013124e67e520ffb35ad3ae8a0120d2399a12c85659454afc743f3a73498dabbc72ed6164d122
   languageName: node
   linkType: hard
 
-"@blocksuite/store@npm:0.5.0-20230320164115-e612d17":
+"@blocksuite/store@npm:0.5.0-20230323032255-e75ed32":
-  version: 0.5.0-20230320164115-e612d17
+  version: 0.5.0-20230323032255-e75ed32
-  resolution: "@blocksuite/store@npm:0.5.0-20230320164115-e612d17"
+  resolution: "@blocksuite/store@npm:0.5.0-20230323032255-e75ed32"
   dependencies:
-    "@blocksuite/global": 0.5.0-20230320164115-e612d17
+    "@blocksuite/global": 0.5.0-20230323032255-e75ed32
-    "@blocksuite/virgo": 0.5.0-20230320164115-e612d17
+    "@blocksuite/virgo": 0.5.0-20230323032255-e75ed32
     "@types/flexsearch": ^0.7.3
     buffer: ^6.0.3
     flexsearch: 0.7.21
@@ -1846,20 +1848,20 @@ __metadata:
     zod: ^3.21.4
   peerDependencies:
     yjs: ^13
-  checksum: 5e8f0f6d37a2ae66bd3df1cca67fb21322a78220cbc4114ba19e6486c6e9edab9b24bd14e99045822eae4af9c0116c86de463e87ad45503268d71a96dbc126b0
+  checksum: ff5ec05f74a397fe29302b61e87b13e26029e0cf03356029058cc2cc1f791f3bd0643ed9b29950718c58c67e374922610ab91b2546feeee8e26828d7e99089d7
   languageName: node
   linkType: hard
 
-"@blocksuite/virgo@npm:0.5.0-20230320164115-e612d17":
+"@blocksuite/virgo@npm:0.5.0-20230323032255-e75ed32":
-  version: 0.5.0-20230320164115-e612d17
+  version: 0.5.0-20230323032255-e75ed32
-  resolution: "@blocksuite/virgo@npm:0.5.0-20230320164115-e612d17"
+  resolution: "@blocksuite/virgo@npm:0.5.0-20230323032255-e75ed32"
   dependencies:
-    "@blocksuite/global": 0.5.0-20230320164115-e612d17
+    "@blocksuite/global": 0.5.0-20230323032255-e75ed32
     zod: ^3.21.4
   peerDependencies:
     lit: ^2
     yjs: ^13
-  checksum: 3e9154f4abe501f5a880a4c2fed45077451b55bbf6386cb1cd8fb7efd4e621818961b9cdcadcd1f00d1b97760b6b509557b866addd9b18fab0f8410f7ac9139c
+  checksum: 9407ea1707ca586926f4cf417adcba89928255840f645865443d791d988cb2cb8d2bfb4cad5ce1eaead1fbdb75f6a5f9cf41c7e5f7d181380854b9cc9b85d3d2
   languageName: node
   linkType: hard
 
@@ -4598,6 +4600,27 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@react-dnd/asap@npm:^5.0.1":
+  version: 5.0.2
+  resolution: "@react-dnd/asap@npm:5.0.2"
+  checksum: 18f040e53512983f11c542ef21e6e4cac605d585a10cd764b13bc1b2f3ac7490e0fa40503adc348d8387aa45bc8e7eebe9cb33003b960a30bb5fde666ff2adde
+  languageName: node
+  linkType: hard
+
+"@react-dnd/invariant@npm:^4.0.1":
+  version: 4.0.2
+  resolution: "@react-dnd/invariant@npm:4.0.2"
+  checksum: 594f6d78896c19bb8f023e101334fd91a9fdff686117bd8e830ba53737ec0a6042dab66971d3d63c7afbc622103909aff7a64c5c6767e0aa8d9561fd42705016
+  languageName: node
+  linkType: hard
+
+"@react-dnd/shallowequal@npm:^4.0.1":
+  version: 4.0.2
+  resolution: "@react-dnd/shallowequal@npm:4.0.2"
+  checksum: 7f21d691bddbfd4d2830948cbeefecca1600b2b46bcb1934926795f07ae8a1fa60a3dfd3a2112be5ef682c3820c80a99711e9fa15843f7e300acb25a4ecb70ab
+  languageName: node
+  linkType: hard
+
 "@redux-devtools/extension@npm:^3.2.5":
   version: 3.2.5
   resolution: "@redux-devtools/extension@npm:3.2.5"
@@ -6846,6 +6869,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/react-dnd@npm:^3.0.2":
+  version: 3.0.2
+  resolution: "@types/react-dnd@npm:3.0.2"
+  dependencies:
+    react-dnd: "*"
+  checksum: 3013caff425f1b3c0cd2b79e7b7763f88f100a6ef5aa5e5cec7636119a71976827ee7bd316d7724f3a179e1f076b1fa1726fefcb9743b780d4bec4f0cd8aacfb
+  languageName: node
+  linkType: hard
+
 "@types/react-dom@npm:18.0.11, @types/react-dom@npm:^18.0.0, @types/react-dom@npm:^18.0.11":
   version: 18.0.11
   resolution: "@types/react-dom@npm:18.0.11"
@@ -9707,6 +9739,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dnd-core@npm:^16.0.1":
+  version: 16.0.1
+  resolution: "dnd-core@npm:16.0.1"
+  dependencies:
+    "@react-dnd/asap": ^5.0.1
+    "@react-dnd/invariant": ^4.0.1
+    redux: ^4.2.0
+  checksum: b7d3ef4664f433af796f440ddd27ad9d7fef0205f26c4b7c0af6ebf612ffa9b33e64d095d3e79190c4baaed34aa36570f321ebe0d2cc8ff1031ff158a0907b3f
+  languageName: node
+  linkType: hard
+
 "doctrine@npm:^2.1.0":
   version: 2.1.0
   resolution: "doctrine@npm:2.1.0"
@@ -12493,14 +12536,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"highlight.js@npm:^11.7.0":
+"hoist-non-react-statics@npm:^3.3.1, hoist-non-react-statics@npm:^3.3.2":
-  version: 11.7.0
-  resolution: "highlight.js@npm:11.7.0"
-  checksum: 19e3fb8b56f4b361b057a8523b989dfeb6479bbd1e29cec3fac6fa5c78d09927d5fa61b7dba6631fdb57cfdca9b3084aa4da49405ceaf4a67f67beae2ed5b77d
-  languageName: node
-  linkType: hard
-
-"hoist-non-react-statics@npm:^3.3.1":
   version: 3.3.2
   resolution: "hoist-non-react-statics@npm:3.3.2"
   dependencies:
@@ -17053,6 +17089,40 @@ __metadata:
   languageName: node
   linkType: hard
 
+"react-dnd-html5-backend@npm:^16.0.1":
+  version: 16.0.1
+  resolution: "react-dnd-html5-backend@npm:16.0.1"
+  dependencies:
+    dnd-core: ^16.0.1
+  checksum: e2368bf85d5632a5cd867b743feb54c9052d909ea5331608860fa455edf3c633ac791f5b338e3db29b19ea8670c0ba5fb43c9c1c2510760bea030811d726cdfa
+  languageName: node
+  linkType: hard
+
+"react-dnd@npm:*, react-dnd@npm:^16.0.1":
+  version: 16.0.1
+  resolution: "react-dnd@npm:16.0.1"
+  dependencies:
+    "@react-dnd/invariant": ^4.0.1
+    "@react-dnd/shallowequal": ^4.0.1
+    dnd-core: ^16.0.1
+    fast-deep-equal: ^3.1.3
+    hoist-non-react-statics: ^3.3.2
+  peerDependencies:
+    "@types/hoist-non-react-statics": ">= 3.3.1"
+    "@types/node": ">= 12"
+    "@types/react": ">= 16"
+    react: ">= 16.14"
+  peerDependenciesMeta:
+    "@types/hoist-non-react-statics":
+      optional: true
+    "@types/node":
+      optional: true
+    "@types/react":
+      optional: true
+  checksum: e8da2186aaafcd5bb41c090a995c963a7c3c73c20991667a2cfc0c800d7f7f73913414b2e61c437cdb6221bb2151bd5174088b8b42c17056a896fc4d1da5729f
+  languageName: node
+  linkType: hard
+
 "react-docgen-typescript@npm:^2.2.2":
   version: 2.2.2
   resolution: "react-docgen-typescript@npm:2.2.2"
@@ -17401,7 +17471,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"redux@npm:^4.2.1":
+"redux@npm:^4.2.0, redux@npm:^4.2.1":
   version: 4.2.1
   resolution: "redux@npm:4.2.1"
   dependencies: