duoyun-ui
Version:
A lightweight desktop UI component library, implemented using Gem
23 lines • 639 B
JavaScript
export class StringWeakMap {
#map = new Map();
#weakMap = new WeakMap();
#registry = new FinalizationRegistry((key) => this.#map.delete(key));
set(key, val) {
this.#map.set(key, new WeakRef(val));
this.#weakMap.set(val, key);
this.#registry.register(val, key);
}
get(key) {
return this.#map.get(key)?.deref();
}
findKey(val) {
return this.#weakMap.get(val);
}
*[Symbol.iterator]() {
const entries = this.#map.entries();
for (const [tag, ref] of entries) {
yield [tag, ref.deref()];
}
}
}
//# sourceMappingURL=map.js.map