Aaron Klinker
31 lines
903 B
TypeScript
31 lines
903 B
TypeScript
import fs, { ensureDir } from 'fs-extra';
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import { FsCache } from '../types';
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import { dirname, resolve } from 'path';
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/**
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* A basic file system cache stored at `<srcDir>/.exvite/cache/<key>`. Just caches a string in a
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* file for the given key.
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*
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* @param srcDir Absolute path to source directory. See `InternalConfig.srcDir`
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*/
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export function createFsCache(srcDir: string): FsCache {
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const getPath = (key: string) =>
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resolve(srcDir, '.exvite/cache', encodeURIComponent(key));
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return {
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async set(key: string, value: string): Promise<void> {
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const path = getPath(key);
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await ensureDir(dirname(path));
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await fs.writeFile(path, value, 'utf-8');
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},
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async get(key: string): Promise<string | undefined> {
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const path = getPath(key);
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try {
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return await fs.readFile(path, 'utf-8');
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} catch {
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return undefined;
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}
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},
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};
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}
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