Support custom blocks syntax and indent

syntax/vue-custom-blocks.vim

@@ -0,0 +1,64 @@
+let s:custom_blocks = vue#GetConfig("custom_blocks", {})
+
+if empty(s:custom_blocks) 
+  finish
+endif
+
+function! s:LoadSyntax()
+  let syntax_list = []
+  for syntax in values(s:custom_blocks)
+    let type = type(syntax)
+    if type == v:t_string
+      if !count(syntax_list, syntax)
+        call add(syntax_list, syntax)
+      endif
+    elseif type == v:t_list && len(syntax)
+      for syn in syntax
+        if !count(syntax_list, syn)
+          call add(syntax_list, syn)
+        endif
+      endfor
+    else
+      echoerr '[vim-vue-plugin] custom_blocks value type'
+            \.' must be either string or list'
+    endif
+  endfor
+  for syntax in syntax_list
+    let syntaxGroup = '@'.syntax
+    call vue#LoadFullSyntax(syntaxGroup, syntax)
+  endfor
+endfunction
+
+function! s:SetSyntax(block, syntax, lang = 0)
+  let block = a:block
+  let syntax = a:syntax
+  let lang = a:lang
+
+  let region_name = syntax.toupper(block[0]).block[1:].'Block'
+  let syntax_lang = lang ? 'lang=["'']'.syntax.'["''][^>]*' : ''
+  let start = '<'.block.'[^>]*'.syntax_lang.'>'
+  let end = '</'.block.'>'
+  let syntaxGroup = '@'.syntax
+
+  execute 'syntax region '.region_name.' fold matchgroup=vueTag'
+        \.' start=+'.start.'+'
+        \.' end=+'.end.'+'
+        \.' keepend contains='.syntaxGroup
+endfunction
+
+function! s:Highlight()
+  for [block, syntax] in items(s:custom_blocks)
+    let type = type(syntax)
+    if type == v:t_string
+      call s:SetSyntax(block, syntax)
+    elseif type == v:t_list && len(syntax)
+      call s:SetSyntax(block, syntax[0])
+      for syn in syntax
+        call s:SetSyntax(block, syn, 1)
+      endfor
+    endif
+  endfor
+endfunction
+
+call s:LoadSyntax()
+call s:Highlight()