From 5ab8e708a50205d9599d506ca82bf939780e1d3a Mon Sep 17 00:00:00 2001
From: bounceme <mac@Macs-MacBook-Pro.local>
Date: Thu, 4 Feb 2016 21:43:00 -0800
Subject: [PATCH] Changes to support js with the node repl.

---
 README.md                    |  1 +
 autoload/repl.vim            |  2 ++
 autoload/repl/javascript.vim | 24 ++++++++++++++++++++++++
 doc/repl.jax                 |  1 +
 plugin/repl.vim              |  4 ++++
 test/repl_vim.vim            |  1 +
 6 files changed, 33 insertions(+)
 create mode 100644 autoload/repl/javascript.vim

diff --git a/README.md b/README.md
index 80dc800..512d991 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ Run `:Repl` without saving the code on a file.
 * Haskell
 * Python (You can chose python2 or python3 interpreter)
 * Erlang
+* JavaScript
 
 ## Installation
 
diff --git a/autoload/repl.vim b/autoload/repl.vim
index 1826b7e..8faf61c 100644
--- a/autoload/repl.vim
+++ b/autoload/repl.vim
@@ -18,6 +18,8 @@ function! repl#run_repl() abort
     call repl#erlang#open_repl()
   elseif &filetype ==# 'python'
     call repl#python#open_repl()
+  elseif &filetype ==# 'javascript'
+    call repl#javascript#open_repl()
   else
     call repl#echo_error("Sorry, repl.vim didn't support this filetype")
   endif
diff --git a/autoload/repl/javascript.vim b/autoload/repl/javascript.vim
new file mode 100644
index 0000000..5c3e52a
--- /dev/null
+++ b/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
diff --git a/doc/repl.jax b/doc/repl.jax
index b3c7786..dd29b0b 100644
--- a/doc/repl.jax
+++ b/doc/repl.jax
@@ -73,6 +73,7 @@ https://github.com/user/repl.vim
 * Haskell
 * Python (2 or 3)
 * Erlang
+* Javascript
 
 ==============================================================================
 使い方						*repl-usage*
diff --git a/plugin/repl.vim b/plugin/repl.vim
index a3d4377..d6caf08 100644
--- a/plugin/repl.vim
+++ b/plugin/repl.vim
@@ -24,6 +24,10 @@ let g:repl#default_filetype_repl = {
 \ 'erlang' : {
 \   'repl' : 'erl',
 \   'opt'  : ''
+\ },
+\ 'javascript' : {
+\   'repl' : 'node',
+\   'opt'  : '-i'
 \ }
 \}
 
diff --git a/test/repl_vim.vim b/test/repl_vim.vim
index 0e89ea6..cf466b8 100644
--- a/test/repl_vim.vim
+++ b/test/repl_vim.vim
@@ -12,6 +12,7 @@ function! s:suite.do_not_throw_exception_when_open_repl()
   setfiletype haskell | Repl | new
   setfiletype erlang  | Repl | new
   setfiletype python  | Repl | new
+  setfiletype javascript  | Repl | new
   " repl.vim cannot open repl
   " but repl.vim don't throw some exception
   setfiletype unknown | Repl