/opt/canhelp/node_modules/next/dist/esm/server/lib
Edit: /opt/canhelp/node_modules/next/dist/esm/server/lib/disk-lru-cache.external.js (1857B)
import { promises } from 'fs';
import { LRUCache } from './lru-cache';
/**
* Module-level LRU singleton for disk cache eviction.
* Initialized once on first `set()`, shared across all consumers.
* Once resolved, the promise stays resolved — subsequent calls just await the cached result.
*/ let _diskLRUPromise = null;
/**
* Initialize or return the module-level LRU for disk cache eviction.
* Concurrent calls are deduplicated via the shared promise.
*
* @param cacheDir - The directory where cached files are stored
* @param maxDiskSize - Maximum disk cache size in bytes
* @param readEntries - Callback to scan existing cache entries (format-agnostic)
*/ export async function getOrInitDiskLRU(cacheDir, maxDiskSize, readEntries, evictEntry) {
if (!_diskLRUPromise) {
_diskLRUPromise = (async ()=>{
let maxSize = maxDiskSize;
if (typeof maxSize === 'undefined') {
// Ensure cacheDir exists before checking disk space
await promises.mkdir(cacheDir, {
recursive: true
});
// Since config was not provided, default to 50% of available disk space
const { bavail, bsize } = await promises.statfs(cacheDir);
maxSize = Math.floor(bavail * bsize / 2);
}
const lru = new LRUCache(maxSize, (size)=>size, (cacheKey)=>evictEntry(cacheDir, cacheKey));
const entries = await readEntries(cacheDir);
for (const entry of entries){
lru.set(entry.key, entry.size);
}
return lru;
})();
}
return _diskLRUPromise;
}
/**
* Reset the module-level LRU singleton. Exported for testing only.
*/ export function resetDiskLRU() {
_diskLRUPromise = null;
}
//# sourceMappingURL=disk-lru-cache.external.js.map