From 8db3bead13441a5882d8689dfc6a9f09c82375d9 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Wed, 25 Mar 2026 16:47:22 +0100
Subject: feat: masks, properties refactor, shaders, storage migrations, and
 more

---
 apps/web/src/lib/selection/scope.ts | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 apps/web/src/lib/selection/scope.ts

(limited to 'apps/web/src/lib/selection/scope.ts')

diff --git a/apps/web/src/lib/selection/scope.ts b/apps/web/src/lib/selection/scope.ts
new file mode 100644
index 00000000..45bf6b56
--- /dev/null
+++ b/apps/web/src/lib/selection/scope.ts
@@ -0,0 +1,29 @@
+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;
+}
-- 
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