From bfc2cec7d43eb8eaa46dd3f91084932381257059 Mon Sep 17 00:00:00 2001
From: kj_sh604
Date: Sun, 15 Mar 2026 16:19:35 -0400
Subject: refactor: excalidraw-app/

---
 excalidraw-app/data/Locker.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 excalidraw-app/data/Locker.ts

(limited to 'excalidraw-app/data/Locker.ts')

diff --git a/excalidraw-app/data/Locker.ts b/excalidraw-app/data/Locker.ts
new file mode 100644
index 0000000..c99673e
--- /dev/null
+++ b/excalidraw-app/data/Locker.ts
@@ -0,0 +1,18 @@
+export class Locker<T extends string> {
+  private locks = new Map<T, true>();
+
+  lock = (lockType: T) => {
+    this.locks.set(lockType, true);
+  };
+
+  /** @returns whether no locks remaining */
+  unlock = (lockType: T) => {
+    this.locks.delete(lockType);
+    return !this.isLocked();
+  };
+
+  /** @returns whether some (or specific) locks are present */
+  isLocked(lockType?: T) {
+    return lockType ? this.locks.has(lockType) : !!this.locks.size;
+  }
+}
-- 
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