feat: canvas.activeTracker.target returns add null

liujuping · JackLian · commit 62288a139f6f · 2023-05-19T17:27:57.000+08:00
diff --git a/packages/shell/src/model/active-tracker.ts b/packages/shell/src/model/active-tracker.ts
@@ -13,7 +13,13 @@ export class ActiveTracker implements IPublicModelActiveTracker {
   }
 
   get target() {
-    const { node: innerNode, detail, instance } = this[activeTrackerSymbol]._target;
+    const _target = this[activeTrackerSymbol]._target;
+
+    if (!_target) {
+      return null;
+    }
+
+    const { node: innerNode, detail, instance } = _target;
     const publicNode = ShellNode.create(innerNode);
     return {
       node: publicNode!,
diff --git a/packages/types/src/shell/model/active-tracker.ts b/packages/types/src/shell/model/active-tracker.ts
@@ -6,7 +6,7 @@ export interface IPublicModelActiveTracker {
   /**
    * @since 1.1.7
    */
-  target: IPublicTypeActiveTarget;
+  target: IPublicTypeActiveTarget | null;
 
   onChange(fn: (target: IPublicTypeActiveTarget) => void): () => void;
 
