@thi.ng/cache/mru.js

In-memory cache implementations with ES6 Map-like API and different eviction strategies

import { LRUCache } from "./lru.js";
class MRUCache extends LRUCache {
  empty() {
    return new MRUCache(null, this.opts);
  }
  resetEntry(e) {
    this.items.asHead(e);
    return e.value.v;
  }
  doSetEntry(e, k, v, s) {
    if (e) {
      this.opts.update?.(k, e.value.v, v);
      e.value.v = v;
      e.value.s = s;
      this.items.asHead(e);
    } else {
      this.items.prepend({ k, v, s });
      this.map.set(k, this.items.head);
    }
  }
}
export {
  MRUCache
};