@opra/core/esm/asset-cache.js

Opra schema package

export class AssetCache {
    constructor() {
        this._items = new WeakMap();
    }
    get(obj, name) {
        const cache = this._items.get(obj);
        return cache && cache[name];
    }
    set(obj, name, asset) {
        let cache = this._items.get(obj);
        if (!cache) {
            cache = {};
            this._items.set(obj, cache);
        }
        cache[name] = asset;
    }
    delete(obj, name) {
        const cache = this._items.get(obj);
        if (!cache)
            return;
        delete cache[name];
    }
}