if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'jsx') != -1
  finish
endif
let s:highlight_close_tag = get(g:, 'vim_jsx_pretty_highlight_close_tag', 0)
" <tag id="sample">
" ~~~~~~~~~~~~~~~~~
" and self close tag
" <tag id="sample"   />
" ~~~~~~~~~~~~~~~~~~~
syntax region jsxTag
      \ start=+<+
      \ matchgroup=jsxOpenPunct
      \ end=+>+
      \ matchgroup=NONE
      \ end=+\(/\_s*>\)\@=+
      \ contained
      \ contains=jsxOpenTag,jsxEscapeJs,jsxAttrib,jsComment,@javascriptComments,javaScriptLineComment,javaScriptComment,typescriptLineComment,typescriptComment,jsxSpreadOperator
      \ keepend
      \ extend
" <tag></tag>
" ~~~~~~~~~~~
" and fragment
" <></>
" ~~~~~
" and self close tag
" <tag />
" ~~~~~~~
syntax region jsxElement
      \ start=+<\_s*\(>\|\${\|\z(\<[-:_\.\$0-9A-Za-z]\+\>\)\)+
      \ end=+/\_s*>+
      \ end=+<\_s*/\_s*\z1\_s*>+
      \ contains=jsxElement,jsxEscapeJs,jsxTag,jsxComment,jsxCloseString,jsxCloseTag,@Spell
      \ keepend
      \ extend
      \ contained
      \ fold
" detect jsx region
syntax region jsxRegion
      \ start=+\(\(\_[([,?:=+\-*/<>{}]\|&&\|||\|=>\|\<return\|\<default\|\<await\|\<yield\)\_s*\)\@<=<\_s*\(>\|\z(\(script\)\@!\<[_\$A-Za-z][-:_\.\$0-9A-Za-z]*\>\)\(\_s*\([-+*)\]}&|?]\|/\([/*]\|\_s*>\)\@!\)\)\@!\)+
      \ end=++
      \ contains=jsxElement
" <tag key={this.props.key}>
"          ~~~~~~~~~~~~~~~~
syntax region jsxEscapeJs
      \ start=+{+
      \ end=++
      \ extend
      \ contained
      \ contains=jsBlock,javascriptBlock,javaScriptBlockBuildIn,typescriptBlock
" <tag key={this.props.key}>
" ~~~~
" and fragment start tag
" <>
" ~~
exe 'syntax region jsxOpenTag
      \ matchgroup=jsxOpenPunct
      \ start=+<+
      \ end=+>+
      \ matchgroup=NONE
      \ end=+\>+
      \ contained
      \ contains=jsxTagName
      \ nextgroup=jsxAttrib
      \ skipwhite
      \ skipempty ' .(s:highlight_close_tag ? 'transparent' : '')
" <foo.bar>
"     ~
syntax match jsxDot +\.+ contained display
" <foo:bar>
"     ~
syntax match jsxNamespace +:+ contained display
" <tag id="sample">
"        ~
syntax match jsxEqual +=+ contained display nextgroup=jsxString,jsxEscapeJs,jsxRegion skipwhite
" <tag />
"      ~~
syntax match jsxCloseString +/\_s*>+ contained
" </tag>
" ~~~~~~
" and fragment close tag
" </>
" ~~~
syntax region jsxCloseTag
      \ matchgroup=jsxClosePunct
      \ start=+<\_s*/+
      \ end=+>+
      \ contained
      \ contains=jsxTagName
" <tag key={this.props.key}>
"      ~~~
syntax match jsxAttrib
      \ +\<[-A-Za-z_][-:_\$0-9A-Za-z]*\>+
      \ contained
      \ nextgroup=jsxEqual
      \ skipwhite
      \ skipempty
      \ contains=jsxAttribKeyword
      \ display
" <MyComponent ...>
"  ~~~~~~~~~~~
" NOT
" <someCamel ...>
"      ~~~~~
exe 'syntax match jsxComponentName
      \ +\<[A-Z][\$0-9A-Za-z]\+\>+
      \ contained
      \ display ' .(s:highlight_close_tag ? 'transparent' : '')
" <tag key={this.props.key}>
"  ~~~
exe 'syntax match jsxTagName
      \ +\<[-:_\.\$0-9A-Za-z]\+\>+
      \ contained
      \ contains=jsxComponentName,jsxDot,jsxNamespace
      \ nextgroup=jsxAttrib
      \ skipempty
      \ skipwhite
      \ display ' .(s:highlight_close_tag ? 'transparent' : '')
" <tag id="sample">
"         ~~~~~~~~
" and
" <tag id='sample'>
"         ~~~~~~~~
syntax region jsxString start=+\z(["']\)+  skip=+\\\%(\z1\|$\)+  end=+\z1+ contained contains=@Spell display
let s:tags = get(g:, 'vim_jsx_pretty_template_tags', ['html', 'raw'])
let s:enable_tagged_jsx = !empty(s:tags)
" add support to JSX inside the tagged template string
" https://github.com/developit/htm
if s:enable_tagged_jsx
  exe 'syntax region jsxTaggedRegion
        \ start=+\%('. join(s:tags, '\|') .'\)\@<=`+ms=s+1
        \ end=+`+me=e-1
        \ extend
        \ contained
        \ containedin=jsTemplateString,javascriptTemplate,javaScriptStringT,typescriptStringB
        \ contains=jsxElement'
  syntax region jsxEscapeJs
        \ start=+\${+
        \ end=++
        \ extend
        \ contained
        \ contains=jsTemplateExpression,javascriptTemplateSubstitution,javaScriptEmbed,typescriptInterpolation
  syntax region jsxOpenTag
        \ matchgroup=jsxOpenPunct
        \ start=+<\%(\${\)\@=+
        \ matchgroup=NONE
        \ end=++
        \ contained
        \ contains=jsxEscapeJs
        \ nextgroup=jsxAttrib,jsxSpreadOperator
        \ skipwhite
        \ skipempty
  syntax keyword jsxAttribKeyword class contained display
  syntax match jsxSpreadOperator +\.\.\.+ contained display nextgroup=jsxEscapeJs skipwhite
  syntax match jsxCloseTag +<//>+ display
  syntax match jsxComment +<!--\_.\{-}-->+ display
endif
" Highlight the tag name
highlight def link jsxTag Function
highlight def link jsxTagName Identifier
highlight def link jsxComponentName Function
highlight def link jsxAttrib Type
highlight def link jsxAttribKeyword jsxAttrib
highlight def link jsxEqual Operator
highlight def link jsxString String
highlight def link jsxDot Operator
highlight def link jsxNamespace Operator
if s:highlight_close_tag
  highlight def link jsxCloseString Identifier
  highlight def link jsxOpenPunct jsxTag
else
  " Highlight the jsxCloseString (i.e. />), jsxPunct (i.e. <,>) and jsxCloseTag (i.e. <//>)
  highlight def link jsxCloseString Comment
  highlight def link jsxOpenPunct jsxPunct
endif
highlight def link jsxPunct jsxCloseString
highlight def link jsxClosePunct jsxPunct
highlight def link jsxCloseTag jsxCloseString
highlight def link jsxComment Comment
highlight def link jsxSpreadOperator Operator
let s:vim_jsx_pretty_colorful_config = get(g:, 'vim_jsx_pretty_colorful_config', 0)
if s:vim_jsx_pretty_colorful_config == 1
  highlight def link jsObjectKey Label
  highlight def link jsArrowFuncArgs Type
  highlight def link jsFuncArgs Type
endif