From 90d135e8d681083e2903a60e8135daec88e98ac5 Mon Sep 17 00:00:00 2001
From: Joost Molenkamp <joostmolenkamp@gmail.com>
Date: Fri, 9 Sep 2022 20:36:33 +0200
Subject: [PATCH] ScrollResize: redraw header on scrollbar hiding during
 feature initialization

---
 features/scrollResize/dataTables.scrollResize.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/features/scrollResize/dataTables.scrollResize.js b/features/scrollResize/dataTables.scrollResize.js
index 7daeedd..6c6a1f4 100644
--- a/features/scrollResize/dataTables.scrollResize.js
+++ b/features/scrollResize/dataTables.scrollResize.js
@@ -90,6 +90,17 @@ var ScrollResize = function ( dt )
 
 	this._attach();
 	this._size();
+
+	// Redraw the header if the scrollbar was visible before feature
+	// initialization, but no longer after initialization. Otherwise,
+	// the header width would differ from the body width, because the
+	// scrollbar is no longer present.
+	var settings = dt.settings()[0];
+	var divBodyEl = settings.nScrollBody;
+	var scrollBarVis = divBodyEl.scrollHeight > divBodyEl.clientHeight;
+	if (settings.scrollBarVis && !scrollBarVis) {
+		dt.columns.adjust();
+	}
 };