[show-hint addon] Fix race condition in scroll measurement

Issue #6656 Issue #6467
codemirror · Apr 14, 2021 · 86af2dc · 86af2dc
1 parent f3033a2
commit 86af2dc
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/addon/hint/show-hint.js b/addon/hint/show-hint.js
@@ -322,6 +322,7 @@
 
     cm.on("scroll", this.onScroll = function() {
       var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect();
+      if (!startScroll) startScroll = cm.getScrollInfo();
       var newTop = top + startScroll.top - curScroll.top;
       var point = newTop - (parentWindow.pageYOffset || (ownerDocument.documentElement || ownerDocument.body).scrollTop);
       if (!below) point += hints.offsetHeight;