30 lines
1008 B
JavaScript
30 lines
1008 B
JavaScript
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import { createHash } from 'node:crypto';
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import { mkdirSync, existsSync, readFileSync, writeFileSync } from 'node:fs';
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import { resolve, join } from 'node:path';
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import process from 'node:process';
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function createFileSystemTypesCache(options = {}) {
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const dir = resolve(process.cwd(), options.dir ?? ".vitepress/cache/twoslash");
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return {
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init() {
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mkdirSync(dir, { recursive: true });
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},
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read(code) {
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const hash = createHash("SHA256").update(code).digest("hex").slice(0, 12);
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const filePath = join(dir, `${hash}.json`);
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if (!existsSync(filePath)) {
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return null;
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}
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return JSON.parse(readFileSync(filePath, { encoding: "utf-8" }));
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},
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write(code, data) {
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const hash = createHash("SHA256").update(code).digest("hex").slice(0, 12);
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const filePath = join(dir, `${hash}.json`);
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const json = JSON.stringify(data);
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writeFileSync(filePath, json, { encoding: "utf-8" });
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}
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};
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}
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export { createFileSystemTypesCache };
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