Method saveState

src/utils/DOMReconciler.ts:293–296

* Save UI state for a specific element

(key: string, element: HTMLElement)

	 * Save UI state for a specific element
	 */
	saveState(key: string, element: HTMLElement): void {
		const reconciler = new DOMReconciler();
		this.stateMap.set(key, reconciler.preserveState(element));
	}

	/**
	 * Restore UI state for a specific element