From ada81e90271441c3605d1f5e998a8015f5ae258d Mon Sep 17 00:00:00 2001
From: Shougo Matsushita <Shougo.Matsu@gmail.com>
Date: Tue, 10 Nov 2020 23:37:27 +0900
Subject: Add recently_used sort feature

---
 autoload/deoplete/handler.vim | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'autoload/deoplete/handler.vim')

diff --git a/autoload/deoplete/handler.vim b/autoload/deoplete/handler.vim
index b1895f1..e355063 100644
--- a/autoload/deoplete/handler.vim
+++ b/autoload/deoplete/handler.vim
@@ -363,11 +363,27 @@ endfunction
 
 function! s:on_complete_done() abort
   if get(v:completed_item, 'word', '') ==# ''
+        \ || !has_key(g:deoplete#_context, 'complete_str')
     return
   endif
 
   call deoplete#handler#_skip_next_completion()
 
+  let max_used = 100
+  let g:deoplete#_recently_used = insert(
+        \ g:deoplete#_recently_used,
+        \ tolower(v:completed_item.word),
+        \ )
+  let min_pattern_length = deoplete#custom#_get_option('min_pattern_length')
+  if len(g:deoplete#_context['complete_str']) > min_pattern_length
+    let g:deoplete#_recently_used = insert(
+          \ g:deoplete#_recently_used,
+          \ tolower(g:deoplete#_context['complete_str']),
+          \ )
+  endif
+  let g:deoplete#_recently_used = deoplete#util#uniq(
+        \ g:deoplete#_recently_used)[: max_used]
+
   let user_data = get(v:completed_item, 'user_data', '')
   if type(user_data) !=# v:t_string || user_data ==# ''
     return
-- 
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