From: GeoSot <geo.sotis@gmail.com>
Date: Fri, 8 Oct 2021 00:19:18 +0000 (+0300)
Subject: Respect modal's initial overflowY
X-Git-Tag: v5.2.0-beta1~421
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f9fd75d6c7bfd850f50d6a587c54b8e1227830c;p=thirdparty%2Fbootstrap.git

Respect modal's initial overflowY
---

diff --git a/js/src/modal.js b/js/src/modal.js
index c96ad388cc..ecbf5cadca 100644
--- a/js/src/modal.js
+++ b/js/src/modal.js
@@ -296,9 +296,9 @@ class Modal extends BaseComponent {
 
     const { classList, scrollHeight, style } = this._element
     const isModalOverflowing = scrollHeight > document.documentElement.clientHeight
-
+    const initialOverflowY = style.overflowY
     // return if the following background transition hasn't yet completed
-    if ((!isModalOverflowing && style.overflowY === 'hidden') || classList.contains(CLASS_NAME_STATIC)) {
+    if (initialOverflowY === 'hidden' || classList.contains(CLASS_NAME_STATIC)) {
       return
     }
 
@@ -309,11 +309,9 @@ class Modal extends BaseComponent {
     classList.add(CLASS_NAME_STATIC)
     this._queueCallback(() => {
       classList.remove(CLASS_NAME_STATIC)
-      if (!isModalOverflowing) {
-        this._queueCallback(() => {
-          style.overflowY = ''
-        }, this._dialog)
-      }
+      this._queueCallback(() => {
+        style.overflowY = initialOverflowY
+      }, this._dialog)
     }, this._dialog)
 
     this._element.focus()