From f4d40ae1428a2b0c908f216c8c1fbb8721700d6f Mon Sep 17 00:00:00 2001
From: Blista Kanjo
Date: Sat, 12 Nov 2022 23:17:21 -0500
Subject: feat: tab autocomplete for coc.nvim

---
 .config/nvim/init.vim | 11 +++++++++++
 .vimrc                | 12 ++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 097a010..6fbd858 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -116,3 +116,14 @@ set ttimeout
 set ttimeoutlen=1
 set listchars=tab:>-,trail:~,extends:>,precedes:<,space:.
 set ttyfast
+
+" Tab Autocompletion for COC NVIM
+function! CheckBackspace() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+inoremap <silent><expr> <TAB>
+      \ coc#pum#visible() ? coc#pum#next(1) :
+      \ CheckBackspace() ? "\<Tab>" :
+      \ coc#refresh()
diff --git a/.vimrc b/.vimrc
index 097a010..f949d35 100644
--- a/.vimrc
+++ b/.vimrc
@@ -116,3 +116,15 @@ set ttimeout
 set ttimeoutlen=1
 set listchars=tab:>-,trail:~,extends:>,precedes:<,space:.
 set ttyfast
+
+" Tab Autocompletion for COC NVIM
+function! s:check_back_space() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~ '\s'
+endfunction
+
+inoremap <silent><expr> <Tab>
+      \ pumvisible() ? "\<C-n>" :
+      \ <SID>check_back_space() ? "\<Tab>" :
+      \ coc#refresh()
+
-- 
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