From f3305ff9fc55b21612cc2fe0e65adda74a8d6a9e Mon Sep 17 00:00:00 2001
From: Ben Baryo <ben.baryo@humansecurity.com>
Date: Wed, 16 Oct 2024 19:05:08 +0300
Subject: [PATCH] Fix issue with comments being duplicated when replacing the
 root node

---
 src/arborist.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/arborist.js b/src/arborist.js
index ef07b3d..dfd2a06 100644
--- a/src/arborist.js
+++ b/src/arborist.js
@@ -85,8 +85,8 @@ const Arborist = class {
 					const leadingComments =  rootNode.leadingComments || [];
 					const trailingComments = rootNode.trailingComments || [];
 					rootNode = rootNodeReplacement[1];
-					if (leadingComments.length) rootNode.leadingComments = (rootNode.leadingComments || []).concat(leadingComments);
-					if (trailingComments.length) rootNode.trailingComments = (rootNode.trailingComments || []).concat(trailingComments);
+					if (leadingComments.length && rootNode.leadingComments !== leadingComments) rootNode.leadingComments = (rootNode.leadingComments || []).concat(leadingComments);
+					if (trailingComments.length && rootNode.trailingComments !== trailingComments) rootNode.trailingComments = (rootNode.trailingComments || []).concat(trailingComments);
 				} else {
 					for (const targetNodeId of this.markedForDeletion) {
 						try {