From 2e68fe0043c43fab4c143e961827c1c127f2d3fe Mon Sep 17 00:00:00 2001
From: "Sebastian L. K. Sorensen" <sks1993@gmail.com>
Date: Mon, 20 May 2024 22:27:49 +0200
Subject: [PATCH] fix root tagName change

---
 CHANGELOG.md  | 6 ++++++
 src/walker.ts | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00eff494..db17609a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.0.31] - 2024-05-20
+
+### Fixed
+
+- Fix when root node becomes a new tag ([#38](https://github.com/tentjs/tent/issues/38))
+
 ## [0.0.29] & [0.0.30] - 2024-05-16
 
 - A mistake was made in the versioning, so these are re-releases of `0.0.28`. The changelog is kept for transparency.
diff --git a/src/walker.ts b/src/walker.ts
index 5b6aaa31..a68a739a 100644
--- a/src/walker.ts
+++ b/src/walker.ts
@@ -2,6 +2,12 @@ import { addAttribute } from './attributes';
 import { type Attrs, type TentNode } from './types';
 
 function walker<A extends Attrs>(oldNode: TentNode<A>, newNode: TentNode<A>) {
+  if (oldNode.tagName !== newNode.tagName) {
+    oldNode.replaceWith(newNode);
+
+    return;
+  }
+
   const nc = Array.from(newNode.childNodes, (n) => n as TentNode<A>);
   const oc = Array.from(oldNode.childNodes, (n) => n as TentNode<A>);