From 77d879d668128041a6348b39834d4822343c0a43 Mon Sep 17 00:00:00 2001
From: Marco P <myentity@inwind.it>
Date: Fri, 13 Sep 2019 12:12:46 +0200
Subject: [PATCH] merge cells containing complex values (objects, arrays)

---
 dataTables.rowsGroup.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dataTables.rowsGroup.js b/dataTables.rowsGroup.js
index d82a2ed..cb155da 100644
--- a/dataTables.rowsGroup.js
+++ b/dataTables.rowsGroup.js
@@ -199,8 +199,18 @@ RowsGroup.prototype = {
 		var newSequenceRow = iStartRow,
 			iRow;
 		for (iRow = iStartRow + 1; iRow <= iFinishRow; ++iRow) {
+			//added to handle complex values (objects, arrays)
+			var curValue = null;
+			var nextValue = null;
+			if (typeof columnValues[iRow] === "object") {
+				curValue = JSON.stringify(columnValues[iRow]);
+				nextValue = JSON.stringify(columnValues[newSequenceRow]);
+			} else { 
+				curValue = columnValues[iRow];
+				nextValue = columnValues[newSequenceRow];
+			}
 			
-			if (columnValues[iRow] === columnValues[newSequenceRow]) {
+			if (curValue === nextValue) {
 				$(columnNodes[iRow]).hide()
 			} else {
 				$(columnNodes[newSequenceRow]).show()