Add Vue subtype onChange event

autoload/vue.vim

@@ -12,3 +12,64 @@ function! vue#GetConfig(name, default)
   let name = 'g:vim_vue_plugin_'.a:name
   return exists(name) ? eval(name) : a:default
 endfunction
+
+" Since vue#Log and vue#GetConfig are always called 
+" in syntax and indent files,
+" this file will be sourced when opening the first vue file
+if exists('##CursorMoved') && exists('*OnChangeVueSubtype')
+  augroup vim_vue_plugin
+    autocmd!
+    autocmd CursorMoved,CursorMovedI,WinEnter *.vue,*.wpy
+          \ call s:CheckSubtype()
+  augroup END
+
+  let s:subtype = ''
+  function! s:CheckSubtype()
+    let subtype = GetVueSubtype()
+
+    if s:subtype != subtype
+      call OnChangeVueSubtype(subtype)
+      let s:subtype = subtype
+    endif
+  endfunction
+endif
+
+function! s:SynsEOL(lnum)
+  let lnum = prevnonblank(a:lnum)
+  let col = strlen(getline(lnum))
+  return map(synstack(lnum, col), 'synIDattr(v:val, "name")')
+endfunction
+
+function! GetVueSubtype()
+  let lnum = line('.')
+  let cursyns = s:SynsEOL(lnum)
+  let syn = get(cursyns, 0, '')
+  let subtype = matchstr(syn, '\w\+\zeVue')
+  if subtype =~ 'css\w\+'
+    let subtype = subtype[3:]
+  endif
+  let subtype = tolower(subtype)
+  return subtype
+endfunction
+
+function! GetVueTag(...)
+  if a:0 > 0
+    let lnum = a:1
+  else
+    let lnum = line('.')
+  endif
+  let cursyns = s:SynsEOL(lnum)
+  let syn = get(cursyns, 0, '')
+
+  if syn =~ 'VueTemplate'
+    let tag = 'template'
+  elseif syn =~ 'VueScript'
+    let tag = 'script'
+  elseif syn =~ 'VueStyle'
+    let tag = 'style'
+  else
+    let tag = ''
+  endif
+
+  return tag
+endfunction