From 0f65e0665476f45dc79cbc766b05a32c5941d1ee Mon Sep 17 00:00:00 2001
From: KazariEX <1364035137@qq.com>
Date: Sun, 11 Aug 2024 01:16:34 +0800
Subject: [PATCH] fix: ployfill for missing function in tsc

---
 packages/language-core/lib/codegen/template/element.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/language-core/lib/codegen/template/element.ts b/packages/language-core/lib/codegen/template/element.ts
index 33a3de6970..6819c61fdf 100644
--- a/packages/language-core/lib/codegen/template/element.ts
+++ b/packages/language-core/lib/codegen/template/element.ts
@@ -595,7 +595,7 @@ function* generateReferencesForScopedCssClasses(
 			ts.forEachChild(ast, node => {
 				if (
 					!ts.isExpressionStatement(node) ||
-					!ts.isTemplateExpression(node.expression)
+					!isTemplateExpression(node.expression)
 				) return;
 
 				const expression = node.expression.templateSpans[0].expression;
@@ -694,4 +694,9 @@ function collectClasses(content: string, startOffset = 0) {
 		}
 	}
 	return classes;
+}
+
+// isTemplateExpression is missing in tsc
+function isTemplateExpression(node: ts.Node): node is ts.TemplateExpression {
+	return node.kind === 228 satisfies ts.SyntaxKind.TemplateExpression;
 }
\ No newline at end of file