From 48cbe3022fc65254feebe042f8b7b37cd0182610 Mon Sep 17 00:00:00 2001
From: hrsh7th <hrsh7th@gmail.com>
Date: Fri, 6 Aug 2021 21:14:38 +0900
Subject: [PATCH] Improve triggerCharacter handling on triggerOnly reason

---
 lua/cmp/source.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lua/cmp/source.lua b/lua/cmp/source.lua
index 2537e0b..4a4d78f 100644
--- a/lua/cmp/source.lua
+++ b/lua/cmp/source.lua
@@ -199,6 +199,15 @@ source.complete = function(self, ctx, callback)
   local before_char = string.sub(ctx.cursor_before_line, -1)
   local before_char_iw = string.match(ctx.cursor_before_line, '(.)%s*$') or before_char
 
+  if ctx:get_reason() == types.cmp.ContextReason.TriggerOnly then
+    if string.match(before_char, '^%a+$') then
+      before_char = ''
+    end
+    if string.match(before_char_iw, '^%a+$') then
+      before_char_iw = ''
+    end
+  end
+
   local completion_context
   if ctx:get_reason() == types.cmp.ContextReason.Manual then
     completion_context = {