From b809d017c4e4d5fb26c6613e6af6d0c2b722c4c3 Mon Sep 17 00:00:00 2001
From: rgehbt <74761884+Gehbt@users.noreply.github.com>
Date: Sun, 1 Sep 2024 09:04:17 +0800
Subject: [PATCH] pref: don't emit event lnlayhint when content is none (#4776)

---
 packages/language-core/lib/codegen/template/elementEvents.ts | 4 +++-
 packages/language-core/lib/codegen/template/elementProps.ts  | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/packages/language-core/lib/codegen/template/elementEvents.ts b/packages/language-core/lib/codegen/template/elementEvents.ts
index 372b7add15..57f57c4c74 100644
--- a/packages/language-core/lib/codegen/template/elementEvents.ts
+++ b/packages/language-core/lib/codegen/template/elementEvents.ts
@@ -188,7 +188,9 @@ export function* generateEventExpression(
 
 export function isCompoundExpression(ts: typeof import('typescript'), ast: ts.SourceFile) {
 	let result = true;
-	if (ast.statements.length === 1) {
+	if (ast.statements.length === 0) {
+		result = false;
+	} else if (ast.statements.length === 1) {
 		ts.forEachChild(ast, child_1 => {
 			if (ts.isExpressionStatement(child_1)) {
 				ts.forEachChild(child_1, child_2 => {
diff --git a/packages/language-core/lib/codegen/template/elementProps.ts b/packages/language-core/lib/codegen/template/elementProps.ts
index 5d4960192a..8ac2932887 100644
--- a/packages/language-core/lib/codegen/template/elementProps.ts
+++ b/packages/language-core/lib/codegen/template/elementProps.ts
@@ -153,7 +153,7 @@ export function* generateElementProps(
 						)
 				),
 				`: (`,
-				...genereatePropExp(
+				...generatePropExp(
 					options,
 					ctx,
 					prop,
@@ -290,7 +290,7 @@ export function* generateElementProps(
 	}
 }
 
-function* genereatePropExp(
+function* generatePropExp(
 	options: TemplateCodegenOptions,
 	ctx: TemplateCodegenContext,
 	prop: CompilerDOM.DirectiveNode,