feat: return unbind function for onChangeDetecting & onChangeSelection

LeoYuan · LeoYuan · commit 30267cb173fc · 2022-05-31T10:07:21.000+08:00
diff --git a/packages/shell/src/document-model.ts b/packages/shell/src/document-model.ts
@@ -204,7 +204,7 @@ export default class DocumentModel {
    * &#24403;&#21069; document &#30340; hover &#21464;&#26356;&#20107;&#20214;
    */
   onChangeDetecting(fn: (node: Node) => void) {
-    this[documentSymbol].designer.detecting.onDetectingChange((node: InnerNode) => {
+    return this[documentSymbol].designer.detecting.onDetectingChange((node: InnerNode) => {
       fn(Node.create(node)!);
     });
   }
@@ -213,7 +213,7 @@ export default class DocumentModel {
    * &#24403;&#21069; document &#30340;&#36873;&#20013;&#21464;&#26356;&#20107;&#20214;
    */
   onChangeSelection(fn: (ids: string[]) => void) {
-    this[documentSymbol].selection.onSelectionChange((ids: string[]) => {
+    return this[documentSymbol].selection.onSelectionChange((ids: string[]) => {
       fn(ids);
     });
   }
