Changes to support js with the node repl.

autoload/repl/javascript.vim

@@ -0,0 +1,24 @@
+
+scriptencoding utf-8
+
+function! repl#javascript#open_repl() abort
+  " Setting up the file for the current file
+  if &modified
+    " Create new file temporary
+    let l:module_file = tempname() . '.js'
+    call writefile(getline(1, expand('$')), l:module_file)
+  else
+    let l:module_file = expand('%:p')
+  endif
+
+  let l:repl      = repl#get_filetype_repl('javascript')
+  let l:exec_name = split(l:repl['repl'], ' ')[0]
+  if !executable(l:exec_name)
+    call repl#echo_error(printf("You don't have repl: '%s'", l:exec_name))
+    return
+  endif
+  let l:args                 = printf('%s %s',  l:repl['repl'], l:repl['opt'])
+  let l:vimshell_interactive = ':VimShellInteractive' . printf("--split='%s'", g:repl_split_command)
+  execute l:vimshell_interactive l:args
+  call vimshell#interactive#send('.load ' . l:module_file)
+endfunction