@awayjs/core/dist/lib/base/WeakAssetSet.js

AwayJS core classes

var USE_WEAK = ('WeakRef' in self);
var WeakAssetSet = /** @class */ (function () {
    function WeakAssetSet(className) {
        if (className === void 0) { className = 'WeakAssetSet'; }
        this._assets = {};
        this._numAssets = 0;
        this._className = className;
    }
    Object.defineProperty(WeakAssetSet.prototype, "numAssets", {
        get: function () {
            return this._numAssets;
        },
        enumerable: false,
        configurable: true
    });
    WeakAssetSet.prototype.add = function (asset) {
        if (!asset || this._assets[asset.id])
            return;
        this._assets[asset.id] = USE_WEAK ? new self.WeakRef(asset) : asset;
        this._numAssets++;
    };
    WeakAssetSet.prototype.remove = function (asset) {
        if (!asset || !this._assets[asset.id])
            return;
        this._numAssets--;
        delete this._assets[asset.id];
    };
    WeakAssetSet.prototype.forEach = function (callback) {
        var asset;
        for (var key in this._assets) {
            asset = this._assets[key];
            if (USE_WEAK) {
                asset = asset.deref();
                if (!asset) {
                    console.debug('[' + this._className + '] asset was deleted by GC:', key);
                    this._numAssets--;
                    delete this._assets[key];
                    continue;
                }
            }
            callback(asset);
        }
    };
    return WeakAssetSet;
}());
export { WeakAssetSet };