Improve guard so it works for no eof new line

syntax/basic/class.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'typescript') == -1
+
 "don't add typescriptMembers to nextgroup, let outer scope match it
 " so we won't match abstract method outside abstract class
 syntax keyword typescriptAbstract              abstract
@@ -64,4 +65,5 @@ syntax region typescriptInterfaceTypeArguments matchgroup=typescriptTypeBrackets
   \ contained skipwhite
 
 syntax match typescriptInterfaceComma /,/ contained nextgroup=typescriptInterfaceHeritage skipwhite skipnl
+
 endif