From a1a66c9a90190b8199c25337925452465be8bf9c Mon Sep 17 00:00:00 2001
From: mitermayer <mitermayer.reis@gmail.com>
Date: Thu, 25 May 2017 17:11:28 -0700
Subject: bugfix: Making sure that when prettier fail to parse buffer we do not
 overwrite file with stdout output

---
 autoload/prettier.vim | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'autoload/prettier.vim')

diff --git a/autoload/prettier.vim b/autoload/prettier.vim
index 3ec6cfb..deb25a7 100644
--- a/autoload/prettier.vim
+++ b/autoload/prettier.vim
@@ -10,6 +10,12 @@ function! prettier#Prettier() abort
   if exec != -1
     let l:stdout = split(system(exec . s:Get_Prettier_Exec_Args(), getbufline(bufnr('%'), 1, '$')), '\n')
 
+    " check system exit code
+    if v:shell_error
+      echohl WarningMsg | echom 'Prettier: failed to parse buffer.' | echohl NONE
+      return
+    endif
+
     " delete all lines on the current buffer
     silent! execute 1 . ',' . line('$') . 'delete _'
 
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