get extends recursively, minor additional fixes for pug and jsx

autoload/emmet.vim

@@ -85,12 +85,7 @@ function! emmet#isExtends(type, extend) abort
   if !has_key(s:emmet_settings[a:type], 'extends')
     return 0
   endif
-  let extends = s:emmet_settings[a:type].extends
-  if type(extends) ==# 1
-    let tmp = split(extends, '\s*,\s*')
-    unlet! extends
-    let extends = tmp
-  endif
+  let extends = emmet#lang#getExtends(a:type)
   for ext in extends
     if a:extend ==# ext
       return 1
@@ -119,7 +114,7 @@ function! emmet#isExpandable() abort
   endif
   let part = matchstr(line, '\(\S.*\)$')
   let type = emmet#getFileType()
-  let ftype = emmet#lang#exists(type) ? type : 'html'
+  let rtype = emmet#lang#type(type)
   let part = emmet#lang#{ftype}#findTokens(part)
   return len(part) > 0
 endfunction
@@ -334,14 +329,14 @@ function! emmet#getResource(type, name, default) abort
     let ret = a:default
 
     if has_key(s:emmet_settings[type], 'extends')
-      let extends = s:emmet_settings[type].extends
-      if type(extends) ==# 1
-        let tmp = split(extends, '\s*,\s*')
-        unlet! extends
-        let extends = tmp
-      endif
+      let extends = emmet#lang#getExtends(a:type)
+      call reverse(extends) " reverse to overwrite the correct way
       for ext in extends
-        if has_key(s:emmet_settings, ext) && has_key(s:emmet_settings[ext], a:name)
+        if !has_key(s:emmet_settings, ext)
+          continue
+        endif
+
+        if has_key(s:emmet_settings[ext], a:name)
           if type(ret) ==# 3 || type(ret) ==# 4
             call emmet#mergeConfig(ret, s:emmet_settings[ext][a:name])
           else
@@ -386,13 +381,19 @@ function! emmet#getFileType(...) abort
 
   let pos = emmet#util#getcurpos()
   let type = synIDattr(synID(pos[1], pos[2], 1), 'name')
+
+  " ignore htmlTagName as it seems to occur too often
+  if type == 'htmlTagName'
+    let type = ''
+  endif
+
   if type =~? '^css'
     let type = 'css'
   elseif type =~? '^html'
     let type = 'html'
   elseif type =~? '^jsx'
     let type = 'jsx'
-  elseif type =~? '^js\w' || type =~? '^javascript'
+  elseif (type =~? '^js\w' || type =~? '^javascript') && !(&filetype =~? 'jsx')
     let type = 'javascript'
   elseif type =~? '^tsx'
     let type = 'tsx'
@@ -403,7 +404,7 @@ function! emmet#getFileType(...) abort
   else
     let types = split(&filetype, '\.')
     for part in types
-      if emmet#lang#exists(part)
+      if has_key(s:emmet_settings, part)
         let type = part
         break
       endif
@@ -515,7 +516,7 @@ function! emmet#unescapeDollarExpr(expand) abort
 endfunction
 
 function! emmet#expandAbbr(mode, abbr) range abort
-  let type = emmet#lang#type(emmet#getFileType(1))
+  let type = emmet#getFileType(1)
   let indent = emmet#getIndentation(type)
   let expand = ''
   let line = ''
@@ -652,8 +653,8 @@ function! emmet#expandAbbr(mode, abbr) range abort
       let part = matchstr(line, '\([a-zA-Z0-9:_\-\@|]\+\)$')
     else
       let part = matchstr(line, '\(\S.*\)$')
-      let ftype = emmet#lang#exists(type) ? type : 'html'
-      let part = emmet#lang#{ftype}#findTokens(part)
+      let rtype = emmet#lang#type(type)
+      let part = emmet#lang#{rtype}#findTokens(part)
       let line = line[0: strridx(line, part) + len(part) - 1]
     endif
     if col('.') ==# col('$')