Update

after/ftplugin/jsx.vim

@@ -11,8 +11,11 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'jsx') == -1
 " modified from html.vim
 if exists("loaded_matchit")
   let b:match_ignorecase = 0
-  let b:match_words = '(:),\[:\],{:},<:>,' .
+  let s:jsx_match_words = '(:),\[:\],{:},<:>,' .
         \ '<\@<=\([^/][^ \t>]*\)[^>]*\%(/\@<!>\|$\):<\@<=/\1>'
+  let b:match_words = exists('b:match_words')
+    \ ? b:match_words . ',' . s:jsx_match_words
+    \ : s:jsx_match_words
 endif
 
 setlocal suffixesadd+=.jsx

after/ftplugin/terraform.vim

@@ -75,4 +75,11 @@ if get(g:, "terraform_align", 1)
   setlocal shiftwidth=2
 endif
 
+" Set the commentstring
+if exists('g:terraform_commentstring')
+    let &l:commentstring=g:terraform_commentstring
+else
+    setlocal commentstring=#%s
+endif
+
 endif