/**
 * Checks if the specified collapseId is currently open, so that during re-renders
 * it remains open or closed.
 *
 * @param {Set<string>} expanded A set indicating what collapseIds are expanded
 * @param {string} collapseId The collapseId to check for
 * @returns {"open"|null} The HTML insertion indicating the details is expanded
 */
export function detailsExpanded(expanded, collapseId) {
	console.log(`.dungeon |`, collapseId, expanded)
	return expanded.has(collapseId) ? "open" : null;
};