From db581614ab57d2a1eb8925c56b52f60bddcace1c Mon Sep 17 00:00:00 2001
From: Martin Aeschlimann <martinae@microsoft.com>
Date: Thu, 9 Jan 2020 15:25:57 +0100
Subject: [PATCH] Error while computing semantic tokens. Fixes #88366

---
 .../server/src/modes/javascriptSemanticTokens.ts                | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts b/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts
index fa615319354..7e4deafa262 100644
--- a/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts
+++ b/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts
@@ -20,7 +20,7 @@ export function getSemanticTokens(jsLanguageService: ts.LanguageService, current
 			if (node.kind === ts.SyntaxKind.Identifier) {
 				const symbol = typeChecker.getSymbolAtLocation(node);
 				if (symbol) {
-					const decl = symbol.valueDeclaration || symbol.declarations[0];
+					const decl = symbol.valueDeclaration || symbol.declarations && symbol.declarations[0];
 					if (decl) {
 						let typeIdx = tokenFromDeclarationMapping[decl.kind];
 						let modifierSet = 0;