Added nvim function to README docs (Issue #64)

README.md

@@ -68,22 +68,51 @@ the default is `/usr/local`.
 
 fzy is a drop in replacement for [selecta](https://github.com/garybernhardt/selecta), and can be used with its [usage examples](https://github.com/garybernhardt/selecta#usage-examples).
 
-### Use with Vim
+### Use with Vim/Neovim
 
-fzy can be easily integrated with vim.
+fzy can be easily integrated with vim/neovim.
 
 ``` vim
-function! FzyCommand(choice_command, vim_command)
-  try
-    let output = system(a:choice_command . " | fzy ")
-  catch /Vim:Interrupt/
-    " Swallow errors from ^C, allow redraw! below
-  endtry
-  redraw!
-  if v:shell_error == 0 && !empty(output)
-    exec a:vim_command . ' ' . output
-  endif
-endfunction
+if has('nvim')
+    function! FzyCommand(choice_command, vim_command) abort
+        let l:callback = {
+                    \ 'window_id': win_getid(),
+                    \ 'filename': tempname(),
+                    \  'vim_command':  a:vim_command
+                    \ }
+
+        function! l:callback.on_exit(job_id, data, event) abort
+            bdelete!
+            call win_gotoid(self.window_id)
+            if filereadable(self.filename)
+                try
+                    let l:selected_filename = readfile(self.filename)[0]
+                    exec self.vim_command . l:selected_filename
+                catch /E684/
+                endtry
+            endif
+            call delete(self.filename)
+        endfunction
+
+        botright 10 new
+        let l:term_command = a:choice_command . ' | fzy > ' .  l:callback.filename
+        silent call termopen(l:term_command, l:callback)
+        setlocal nonumber norelativenumber
+        startinsert
+    endfunction
+else
+    function! FzyCommand(choice_command, vim_command)
+        try
+            let output = system(a:choice_command . " | fzy ")
+        catch /Vim:Interrupt/
+            " Swallow errors from ^C, allow redraw! below
+        endtry
+        redraw!
+        if v:shell_error == 0 && !empty(output)
+            exec a:vim_command . ' ' . output
+        endif
+    endfunction
+endif
 
 nnoremap <leader>e :call FzyCommand("find . -type f", ":e")<cr>
 nnoremap <leader>v :call FzyCommand("find . -type f", ":vs")<cr>