From a7d6f68feed71870505723175773b277aafa6e29 Mon Sep 17 00:00:00 2001
From: KazariEX <1364035137@qq.com>
Date: Sat, 2 Nov 2024 18:01:19 +0800
Subject: [PATCH] fix(language-core): should exit incremental update when
 binding expression is empty

---
 packages/language-core/lib/plugins/vue-template-html.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/language-core/lib/plugins/vue-template-html.ts b/packages/language-core/lib/plugins/vue-template-html.ts
index 75bbabe513..e06a3a605b 100644
--- a/packages/language-core/lib/plugins/vue-template-html.ts
+++ b/packages/language-core/lib/plugins/vue-template-html.ts
@@ -181,6 +181,10 @@ const plugin: VueLanguagePlugin = ({ modules }) => {
 							if (node.isStatic) {
 								return false;
 							}
+							else if (!node.loc.source) {
+								// :class="..." -> :class=""
+								return false;
+							}
 							else {
 								node.content = node.loc.source;
 							}