fix: 增加逻辑保护

ArgoZhang · ArgoZhang · commit 6fe9e0d30884 · 2025-07-10T19:21:27.000+08:00
diff --git a/src/BootstrapBlazor/Components/TreeView/TreeView.razor.js b/src/BootstrapBlazor/Components/TreeView/TreeView.razor.js
@@ -57,8 +57,8 @@ export function init(id, options) {
             }
             else {
                 const belowItem = el.querySelector('.tree-node-placeholder');
-                targetItem = belowItem.closest('.tree-content');
                 if (belowItem) {
+                    targetItem = belowItem.closest('.tree-content');
                     belowItem.remove();
                 }
             }

Original file line number	Diff line number	Diff line change
`@@ -57,8 +57,8 @@ export function init(id, options) {`
`57`	`57`	`}`
`58`	`58`	`else {`
`59`	`59`	`const belowItem = el.querySelector('.tree-node-placeholder');`
`60`		`- targetItem = belowItem.closest('.tree-content');`
`61`	`60`	`if (belowItem) {`
	`61`	`+ targetItem = belowItem.closest('.tree-content');`
`62`	`62`	`belowItem.remove();`
`63`	`63`	`}`
`64`	`64`	`}`