my vim configuration (nvim)

init.vim

❯ ccat ~/.config/nvim/init.vim
" ======================
" Plugins are define here
" ======================
call plug#begin('~/.vim/plugged')

Plug 'Valloric/YouCompleteMe'
Plug 'scrooloose/nerdtree'
Plug 'drewtempelmeyer/palenight.vim'
Plug 'itchyny/lightline.vim'
Plug '/usr/bin/fzf'
Plug 'junegunn/fzf.vim'
Plug 'ap/vim-buftabline'
Plug 'airblade/vim-gitgutter'
Plug 'w0rp/ale'

call plug#end()
" ======================
" Plugins are define here
" ======================

"disable definition preview in completeme
set completeopt-=preview

set tabstop=8 softtabstop=0 expandtab shiftwidth=4 smarttab
set number
set background=dark
set mouse=a
colorscheme palenight

let g:lightline = { 'colorscheme': 'palenight' }

if (has("nvim"))
  "For Neovim 0.1.3 and 0.1.4 < https://github.com/neovim/neovim/pull/2198 >
  let $NVIM_TUI_ENABLE_TRUE_COLOR=1
endif

"For Neovim > 0.1.5 and Vim > patch 7.4.1799 < https://github.com/vim/vim/commit/61be73bb0f965a895bfb064ea3e55476ac175162 >
"Based on Vim patch 7.4.1770 (`guicolors` option) < https://github.com/vim/vim/commit/8a633e3427b47286869aa4b96f2bfc1fe65b25cd >
" < https://github.com/neovim/neovim/wiki/Following-HEAD#20160511 >
if (has("termguicolors"))
  set termguicolors
endif

" Italics for my favorite color scheme
let g:palenight_terminal_italics=1

"fzf
nnoremap <C-P> :Files<CR>
nnoremap <C-O> :Rg<Cr>

"nerdtree
map <C-l> :NERDTreeToggle<CR>
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

"buffer as tab
set hidden
nnoremap <C-M> :bnext<CR>
nnoremap <C-N> :bprev<CR>
hi default link BufTabLineActive TabLineSel
hi default link BufTabLineCurrent PmenuSel

"Auto jump where left off
if has("autocmd")
  au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
    \| exe "normal! g'\"" | endif
endif

set undofile " Maintain undo history between sessions

" gitgutter configuration
let g:gitgutter_map_keys = 0
let g:gitgutter_sign_added = "┃"
let g:gitgutter_sign_modified = "┃"
let g:gitgutter_sign_removed = "┃"
let g:gitgutter_sign_removed_first = "┃"
let g:gitgutter_sign_modified_removed = "┃"