fix(language-service): avoid throwing for invalid class declarations (#13257)

Fixes #13253
2016-12-06 09:56:30 -08:00
parent 5614c4ff0f
commit 93556a5720
2 changed files with 7 additions and 1 deletions
--- a/modules/@angular/language-service/src/typescript_host.ts
+++ b/modules/@angular/language-service/src/typescript_host.ts
@ -325,7 +325,7 @@ export class TypeScriptServiceHost implements LanguageServiceHost {
      case this.ts.SyntaxKind.StringLiteral:
        let [declaration, decorator] = this.getTemplateClassDeclFromNode(node);
        let queryCache: SymbolQuery|undefined = undefined;
-        if (declaration) {
+        if (declaration && declaration.name) {
          const sourceFile = this.getSourceFile(fileName);
          return this.getSourceFromDeclaration(
              fileName, version, this.stringOf(node), shrink(spanOf(node)),