apps/web/src/lib/selection/scope.ts


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export type ScopeEntry = {
	hasSelection: () => boolean;
	clear: () => void;
};

let activeScope: ScopeEntry | null = null;

export function activateScope({ entry }: { entry: ScopeEntry }): () => void {
	if (activeScope && activeScope !== entry) {
		activeScope.clear();
	}

	activeScope = entry;

	return () => {
		if (activeScope === entry) {
			activeScope = null;
		}
	};
}

export function clearActiveScope(): boolean {
	if (!activeScope?.hasSelection()) {
		return false;
	}

	activeScope.clear();
	return true;
}