fix(Calendar): rendering fails in some cases (#6812)

2020-07-18 18:53:40 +08:00
parent 3c223ba7f7
commit e541260ef3
2 changed files with 7 additions and 5 deletions
@@ -40,7 +40,10 @@ export function getScroller(el: HTMLElement, root: ScrollElement = window) {
 }

 export function getScrollTop(el: ScrollElement): number {
-  return 'scrollTop' in el ? el.scrollTop : el.pageYOffset;
+  const top = 'scrollTop' in el ? el.scrollTop : el.pageYOffset;
+
+  // iOS scroll bounce cause minus scrollTop
+  return Math.max(top, 0);
 }

 export function setScrollTop(el: ScrollElement, value: number) {