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Cache paths resolved by createPathGetter

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Fedor Indutny 2022-04-27 11:40:58 -07:00 committed by GitHub
parent 1809efc31d
commit 472df5821a
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1 changed files with 15 additions and 4 deletions
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19
ts/util/attachments.ts
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@ -15,6 +15,8 @@ const TEMP_PATH = 'temp';
const UPDATE_CACHE_PATH = 'update-cache'; const UPDATE_CACHE_PATH = 'update-cache';
const DRAFT_PATH = 'drafts.noindex'; const DRAFT_PATH = 'drafts.noindex';
const CACHED_PATHS = new Map<string, string>();
const createPathGetter = const createPathGetter =
(subpath: string) => (subpath: string) =>
(userDataPath: string): string => { (userDataPath: string): string => {
@ -22,12 +24,21 @@ const createPathGetter =
throw new TypeError("'userDataPath' must be a string"); throw new TypeError("'userDataPath' must be a string");
} }
const maybeSymlink = join(userDataPath, subpath); const naivePath = join(userDataPath, subpath);
if (fse.pathExistsSync(maybeSymlink)) {
return fse.realpathSync(maybeSymlink); const cached = CACHED_PATHS.get(naivePath);
if (cached) {
return cached;
} }
return maybeSymlink; let result = naivePath;
if (fse.pathExistsSync(naivePath)) {
result = fse.realpathSync(naivePath);
}
CACHED_PATHS.set(naivePath, result);
return result;
}; };
export const getAvatarsPath = createPathGetter(AVATAR_PATH); export const getAvatarsPath = createPathGetter(AVATAR_PATH);