async _initViewCustomizations() {
// In some cases, Vega may be initialized twice... TBD
if (!this._$container) return;
const view = new vega.View(vega.parse(this._parser.spec), this._vegaViewConfig);
this.setDebugValues(view, this._parser.spec, this._parser.vlspec);
view.warn = this.onWarn.bind(this);
view.error = this.onError.bind(this);
if (this._parser.useResize) this.updateVegaSize(view);
view.initialize(this._$container.get(0), this._$controls.get(0));
if (this._parser.useHover) view.hover();
this._addDestroyHandler(() => {
this._view = null;
view.finalize();
});
await view.runAsync();
this._view = view;
}
this._addDestroyHandler(() => {
this._view = null;
view.finalize();
});