add overload definition for findByPathAndViewer

packages/app/src/server/models/page.ts

@@ -58,7 +58,8 @@ export type CreateMethod = (path: string, body: string, user, options: PageCreat
 export interface PageModel extends Model<PageDocument> {
   [x: string]: any; // for obsolete static methods
   findByIdsAndViewer(pageIds: ObjectIdLike[], user, userGroups?, includeEmpty?: boolean): Promise<PageDocument[]>
-  findByPathAndViewer(path: string | null, user, userGroups?, useFindOne?: boolean, includeEmpty?: boolean): Promise<PageDocument | PageDocument[] | null>
+  findByPathAndViewer(path: string | null, user, userGroups?, useFindOne?: true, includeEmpty?: boolean): Promise<PageDocument | PageDocument[] | null>
+  findByPathAndViewer(path: string | null, user, userGroups?, useFindOne?: false, includeEmpty?: boolean): Promise<PageDocument[]>
   findTargetAndAncestorsByPathOrId(pathOrId: string): Promise<TargetAndAncestorsResult>
   findRecentUpdatedPages(path: string, user, option, includeEmpty?: boolean): Promise<PaginatedPages>
   generateGrantCondition(