From 56e8a75fec1af89b5936fa1070e5dea159411926 Mon Sep 17 00:00:00 2001
From: Mary Ma <maxiuli95@gmail.com>
Date: Tue, 22 Sep 2020 18:38:17 +0800
Subject: [PATCH] feat: keep the pre value if no current active

---
 src/js/lib/scrollspy.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/js/lib/scrollspy.js b/src/js/lib/scrollspy.js
index 97d4853..385d1da 100644
--- a/src/js/lib/scrollspy.js
+++ b/src/js/lib/scrollspy.js
@@ -190,6 +190,9 @@ export default class Scrollspy extends React.Component {
 
   _spy (targets) {
     const elemensViewState = this._getElemsViewState(targets)
+    if (elemensViewState.viewStatusList.indexOf(true) < 0) {
+      return;
+    }    
     const currentStatuses = this.state.inViewState
 
     this.setState({