hook-checks

themes/next/components/Toc.js

@@ -11,10 +11,6 @@ import Progress from './Progress'
  * @constructor
  */
 const Toc = ({ toc }) => {
-  // 无目录就直接返回空
-  if (!toc || toc.length < 1) {
-    return <></>
-  }
   // 监听滚动事件
   React.useEffect(() => {
     window.addEventListener('scroll', actionSectionScrollSpy)
@@ -58,6 +54,11 @@ const Toc = ({ toc }) => {
     tRef?.current?.scrollTo({ top: 28 * index, behavior: 'smooth' })
   }, throttleMs))
 
+  // 无目录就直接返回空
+  if (!toc || toc.length < 1) {
+    return <></>
+  }
+
   return <div className='px-3'>
     <div className='w-full pb-1'>
       <Progress />