Function writeJsonCache

src/github/file_cache.mjs:45–51

({ cacheDir, key, value })

 * Write JSON cache entry atomically.
 */
export function writeJsonCache({ cacheDir, key, value }) {
  ensureDir(cacheDir);
  const filePath = cachePath(cacheDir, key);
  const tmpPath = `${filePath}.tmp.${process.pid}`;
  fs.writeFileSync(tmpPath, `${JSON.stringify(value, null, 2)}\n`, 'utf-8');
  fs.renameSync(tmpPath, filePath);
}