From 2cd8c87b5c6e95c2240f9acfcb5a0ce48a500705 Mon Sep 17 00:00:00 2001
From: Nate Bosch <nbosch1@gmail.com>
Date: Sun, 14 May 2017 19:38:46 -0700
Subject: [PATCH] Bug fix: Handle diagnostics for unopened files

Ther server may send diagnostics for files that aren't open in any
buffer so getbufinfo will return an empty list.
---
 CHANGELOG.md          | 4 +++-
 autoload/lsc/util.vim | 7 +++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50091c53..88e8b421 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,11 @@
-# 0.1.3-dev
+# 0.1.3
 
 - Bug fix: Newlines in diagnostics are replace with '\n' to avoid multiline
   messages
 - Add support for `textDocument/references` request. References are shown in
   quickfix list.
+- Bug fix: Support receiving diagnostics for files which are not opened in a
+  buffer
 
 # 0.1.2
 
diff --git a/autoload/lsc/util.vim b/autoload/lsc/util.vim
index 0a572089..e3d7002e 100644
--- a/autoload/lsc/util.vim
+++ b/autoload/lsc/util.vim
@@ -62,6 +62,9 @@ endfunction
 " Returns the window IDs of the windows showing the buffer opened for
 " [file_path].
 function! lsc#util#windowsForFile(file_path) abort
-  let bufinfo = getbufinfo(a:file_path)[0]
-  return copy(bufinfo.windows)
+  let bufinfo = getbufinfo(a:file_path)
+  if len(bufinfo) < 1
+    return []
+  endif
+  return copy(bufinfo[0].windows)
 endfunction