From b4513fc4b0381bdff00c52e294e6da6c7f27aa19 Mon Sep 17 00:00:00 2001
From: Nick Gavalas <njg@fb.com>
Date: Mon, 10 Sep 2018 18:55:49 -0400
Subject: fix non-. prefix triggers overfiltering results

---
 autoload/ale/completion.vim | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'autoload')

diff --git a/autoload/ale/completion.vim b/autoload/ale/completion.vim
index e96774c3..2556d50c 100644
--- a/autoload/ale/completion.vim
+++ b/autoload/ale/completion.vim
@@ -98,14 +98,15 @@ function! ale#completion#GetTriggerCharacter(filetype, prefix) abort
     return ''
 endfunction
 
-function! ale#completion#Filter(buffer, suggestions, prefix) abort
+function! ale#completion#Filter(buffer, filetype, suggestions, prefix) abort
     let l:excluded_words = ale#Var(a:buffer, 'completion_excluded_words')
+    let l:triggers = s:GetFiletypeValue(s:trigger_character_map, a:filetype)
 
     " For completing...
     "   foo.
     "       ^
     " We need to include all of the given suggestions.
-    if a:prefix is# '.'
+    if index(l:triggers, a:prefix) >= 0
         let l:filtered_suggestions = a:suggestions
     else
         let l:filtered_suggestions = []
@@ -369,7 +370,7 @@ function! ale#completion#ParseLSPCompletions(response) abort
     endfor
 
     if has_key(l:info, 'prefix')
-        return ale#completion#Filter(l:buffer, l:results, l:info.prefix)
+        return ale#completion#Filter(l:buffer, &filetype, l:results, l:info.prefix)
     endif
 
     return l:results
@@ -390,6 +391,7 @@ function! ale#completion#HandleTSServerResponse(conn_id, response) abort
     if l:command is# 'completions'
         let l:names = ale#completion#Filter(
         \   l:buffer,
+        \   &filetype,
         \   ale#completion#ParseTSServerCompletions(a:response),
         \   b:ale_completion_info.prefix,
         \)[: g:ale_completion_max_suggestions - 1]
-- 
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