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.
natebosch · May 15, 2017 · 2cd8c87 · 2cd8c87
1 parent f0e1f62
commit 2cd8c87
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diff --git 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
@@ -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