Switch jsx provider to amadeus, closes #364

2 files changed, 27 insertions, 5 deletions

diff --git a/after/ftplugin/jsx.vim b/after/ftplugin/jsx.vim
index 12173822..e1d689aa 100644
--- a/after/ftplugin/jsx.vim
+++ b/after/ftplugin/jsx.vim
@@ -13,11 +13,19 @@ endif
 " modified from html.vim
 if exists("loaded_matchit")
   let b:match_ignorecase = 0
-  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
+  let s:jsx_match_words = '<\([a-zA-Z0-9.]\+\)\(>\|$\|\s\):<\/\1>'
+
+  if !exists('b:loaded_jsx_match_words')
+    let b:loaded_jsx_match_words = 0
+  endif
+
+  if b:loaded_jsx_match_words == 0
+    let b:match_words = exists('b:match_words')
+      \ ? b:match_words . ',' . s:jsx_match_words
+      \ : s:jsx_match_words
+  endif
+
+  let b:loaded_jsx_match_words = 1
 endif
 
 setlocal suffixesadd+=.jsx
diff --git a/after/syntax/jsx.vim b/after/syntax/jsx.vim
index 79911848..ac4dd616 100644
--- a/after/syntax/jsx.vim
+++ b/after/syntax/jsx.vim
@@ -62,6 +62,20 @@ syn region jsxRegion
   \ keepend
   \ extend
 
+" Shorthand fragment support
+"
+" Note that since the main jsxRegion contains @XMLSyntax, we cannot simply
+" adjust the regex above since @XMLSyntax will highlight the opening `<` as an
+" XMLError. Instead we create a new group with the same name that does not
+" include @XMLSyntax and instead uses matchgroup to get the same highlighting.
+syn region jsxRegion
+  \ contains=@Spell,jsxRegion,jsxChild,jsBlock,javascriptBlock
+  \ matchgroup=xmlTag
+  \ start=/<>/
+  \ end=/<\/>/
+  \ keepend
+  \ extend
+
 " Add jsxRegion to the lowest-level JS syntax cluster.
 syn cluster jsExpression add=jsxRegion