파일 및 디렉터리 목록을 IndexedDB에 캐싱하도록 구현

src/lib/indexedDB/filesystem.ts

@@ -0,0 +1,52 @@
+import { Dexie, type EntityTable } from "dexie";
+
+export type DirectoryId = "root" | number;
+
+interface DirectoryInfo {
+  id: number;
+  parentId: DirectoryId;
+  name: string;
+}
+
+interface FileInfo {
+  id: number;
+  parentId: DirectoryId;
+  name: string;
+  contentType: string;
+  createdAt?: Date;
+  lastModifiedAt: Date;
+}
+
+const filesystem = new Dexie("filesystem") as Dexie & {
+  directory: EntityTable<DirectoryInfo, "id">;
+  file: EntityTable<FileInfo, "id">;
+};
+
+filesystem.version(1).stores({
+  directory: "id, parentId",
+  file: "id, parentId",
+});
+
+export const getDirectoryInfos = async (parentId: DirectoryId) => {
+  return await filesystem.directory.where({ parentId }).toArray();
+};
+
+export const getDirectoryInfo = async (id: number) => {
+  return await filesystem.directory.get(id);
+};
+
+export const storeDirectoryInfo = async (directoryInfo: DirectoryInfo) => {
+  await filesystem.directory.put(directoryInfo);
+};
+
+export const getFileInfos = async (parentId: DirectoryId) => {
+  return await filesystem.file.where({ parentId }).toArray();
+};
+
+export const getFileInfo = async (id: number) => {
+  return await filesystem.file.get(id);
+};
+
+export const storeFileInfo = async (fileInfo: FileInfo) => {
+  await filesystem.file.put(fileInfo);
+};

src/lib/indexedDB/index.ts

@@ -1,2 +1,3 @@
 export * from "./cacheIndex";
+export * from "./filesystem";
 export * from "./keyStore";