diff --git a/lib/canvas_editor/init/canvas_editor.js b/lib/canvas_editor/init/canvas_editor.js
index c2092bd0..58aa12ad 100644
--- a/lib/canvas_editor/init/canvas_editor.js
+++ b/lib/canvas_editor/init/canvas_editor.js
@@ -105,6 +105,10 @@ function initCanvasEditor(
       this.#destroy = null;
     }
 
+    get isDestroyed() {
+      return !this.#editorArea;
+    }
+
     moleculeChanged() {
       this.#checkNotDestroyed();
 
@@ -112,7 +116,7 @@ function initCanvasEditor(
     }
 
     #checkNotDestroyed() {
-      if (!this.#editorArea) {
+      if (this.isDestroyed) {
         throw new Error('CanvasEditor has been destroyed');
       }
     }
diff --git a/types.d.ts b/types.d.ts
index 251c62e2..45865a04 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -3883,6 +3883,11 @@ export declare class CanvasEditor {
    * All methods will throw an error after calling this.
    */
   destroy(): void;
+
+  /**
+   * Returns whether the editor has been destroyed.
+   */
+  get isDestroyed(): boolean;
 }
 
 interface CanvasEditorElementModeEnum {