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static
2026-01-04 20:01:30 +09:00
parent 0eb1d29259
commit f10a0a2da3
7 changed files with 110 additions and 110 deletions
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32
src/lib/modules/file/cache.ts
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@@ -1,15 +1,12 @@
import { LRUCache } from "lru-cache";
import {
getFileCacheIndex as getFileCacheIndexFromIndexedDB,
storeFileCacheIndex,
deleteFileCacheIndex,
type FileCacheIndex,
} from "$lib/indexedDB";
import { readFile, writeFile, deleteFile, deleteDirectory } from "$lib/modules/opfs";
import { getThumbnailUrl } from "$lib/modules/thumbnail";
import { readFile, writeFile, deleteFile } from "$lib/modules/opfs";
const fileCacheIndex = new Map<number, FileCacheIndex>();
const loadedThumbnails = new LRUCache<number, string>({ max: 100 });
export const prepareFileCache = async () => {
for (const cache of await getFileCacheIndexFromIndexedDB()) {
@@ -51,30 +48,3 @@ export const deleteFileCache = async (fileId: number) => {
await deleteFile(`/cache/${fileId}`);
await deleteFileCacheIndex(fileId);
};
export const getFileThumbnailCache = async (fileId: number) => {
const thumbnail = loadedThumbnails.get(fileId);
if (thumbnail) return thumbnail;
const thumbnailBuffer = await readFile(`/thumbnail/file/${fileId}`);
if (!thumbnailBuffer) return null;
const thumbnailUrl = getThumbnailUrl(thumbnailBuffer);
loadedThumbnails.set(fileId, thumbnailUrl);
return thumbnailUrl;
};
export const storeFileThumbnailCache = async (fileId: number, thumbnailBuffer: ArrayBuffer) => {
await writeFile(`/thumbnail/file/${fileId}`, thumbnailBuffer);
loadedThumbnails.set(fileId, getThumbnailUrl(thumbnailBuffer));
};
export const deleteFileThumbnailCache = async (fileId: number) => {
loadedThumbnails.delete(fileId);
await deleteFile(`/thumbnail/file/${fileId}`);
};
export const deleteAllFileThumbnailCaches = async () => {
loadedThumbnails.clear();
await deleteDirectory("/thumbnail/file");
};