Support custom blocks syntax and indent

indent/vue-custom-blocks.vim

@@ -0,0 +1,45 @@
+if exists("b:did_indent")
+  finish
+endif
+
+let s:custom_blocks = vue#GetConfig("custom_blocks", {})
+let s:indent = {}
+
+function! s:GetSyntaxList()
+  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
+  return syntax_list
+endfunction
+
+function! s:GetIndentExpr(syntax_list)
+  for syntax in a:syntax_list
+    unlet! b:did_indent
+    execute 'runtime indent/'.syntax.'.vim'
+    let s:indent[syntax] = &l:indentexpr
+  endfor
+endfunction
+
+function! GetVueCustomBlocksIndent(syn)
+  let syntax = matchstr(a:syn, '^\l\+')
+  call vue#Log('custom block syntax: '.syntax)
+  let ind = eval(s:indent[syntax])
+  return ind
+endfunction
+
+call s:GetIndentExpr(s:GetSyntaxList())