57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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getOrInitDiskLRU: null,
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resetDiskLRU: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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getOrInitDiskLRU: function() {
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return getOrInitDiskLRU;
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},
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resetDiskLRU: function() {
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return resetDiskLRU;
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}
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});
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const _fs = require("fs");
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const _lrucache = require("./lru-cache");
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/**
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* Module-level LRU singleton for disk cache eviction.
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* Initialized once on first `set()`, shared across all consumers.
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* Once resolved, the promise stays resolved — subsequent calls just await the cached result.
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*/ let _diskLRUPromise = null;
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async function getOrInitDiskLRU(cacheDir, maxDiskSize, readEntries, evictEntry) {
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if (!_diskLRUPromise) {
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_diskLRUPromise = (async ()=>{
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let maxSize = maxDiskSize;
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if (typeof maxSize === 'undefined') {
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// Ensure cacheDir exists before checking disk space
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await _fs.promises.mkdir(cacheDir, {
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recursive: true
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});
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// Since config was not provided, default to 50% of available disk space
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const { bavail, bsize } = await _fs.promises.statfs(cacheDir);
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maxSize = Math.floor(bavail * bsize / 2);
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}
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const lru = new _lrucache.LRUCache(maxSize, (size)=>size, (cacheKey)=>evictEntry(cacheDir, cacheKey));
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const entries = await readEntries(cacheDir);
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for (const entry of entries){
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lru.set(entry.key, entry.size);
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}
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return lru;
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})();
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}
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return _diskLRUPromise;
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}
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function resetDiskLRU() {
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_diskLRUPromise = null;
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}
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//# sourceMappingURL=disk-lru-cache.external.js.map
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