import { beforeNavigate } from "$app/navigation";

export const guardUnsavedChanges = (dirty: () => boolean) => {
	beforeNavigate((navigation) => {
		if (navigation.shallow && navigation.type === "goto") return;
		if (!dirty()) return;
		if (navigation.type === "leave") {
			navigation.cancel();
			return;
		}
		if (!confirm("You have unsaved changes. Leave without saving?")) navigation.cancel();
	});
};