Minimal configuration for vim

.vimrc

" Improving on minimal vim configuration at 
"
" https://github.com/lemonase/dotfiles/blob/
" ab2d279804a8a6b5e6862012c13bd22b64076431/
" config/vim/.vim/vimrc.min
"

"load system defaults
if filereadable(expand('$VIMRUNTIME/defaults.vim'))
  unlet! g:skip_defaults_vim
  source $VIMRUNTIME/defaults.vim
endif


"regular settings
"----------------

" leader
nnoremap <SPACE> <Nop>
let mapleader=" "

" ui
set number
set ruler
set wildmenu
set showcmd
set showmatch

" cursor shape based on mode
if exists('$TMUX')
  let &t_SI = "\ePtmux;\e\e[5 q\e\\"
  let &t_EI = "\ePtmux;\e\e[2 q\e\\"
else
  let &t_SI = "\e[5 q"
  let &t_EI = "\e[2 q"
endif

" encoding/format
set encoding=utf-8
set fileformats=unix,dos,mac

" searching
set hlsearch!
set incsearch
set ignorecase
set smartcase
nnoremap <silent> <leader>h :noh<CR>

" indent
set expandtab
set shiftwidth=4
set tabstop=4
set autoindent

" key timeout values
set esckeys
set ttimeoutlen=20
set timeoutlen=1000

" allow syntax and filetype plugins
syntax enable
filetype plugin indent on
runtime macros/matchit.vim

" disable caches
set viminfo=
set noswapfile
set nobackup 
set nowritebackup

" disable bell
set belloff=all


" autocmds
"---------
augroup general
  autocmd!
  "keep equal proportions when windows resized
   autocmd VimResized * wincmd =
   "save cursor position in a file
  autocmd BufReadPost * if line("'\"") > 1 && line("'\"")
                \ <= line("$") | exe "normal! g'\"" | endif
augroup END

augroup languages
  autocmd!
  autocmd BufNewFile,BufRead *.bash set syntax=sh
  autocmd FileType html :syntax sync fromstart
  autocmd FileType html,javascript,css,json,yaml,sh,vim
          \ setlocal ts=2 sts=2 sw=2 expandtab
augroup END

From your $HOME directory download with

curl -O https://gist.githubusercontent.com/S1M0N38/99bd728d1d25e7de77db8ef53213e58e/raw/1b2ca9c75e4edd2d6e493c4a47888b42f7ba81e8/.vimrc