The bare bones, bring your own plugin manager, theme, vim configuration - opinionated of course

mini_init.vim

" Minimal vim config
" =============================================================================
filetype plugin indent on

" =============================================================================
" = Plugin Manager =
" =============================================================================

" Use any plugin manager here

" =============================================================================
" = Theming and Looks =
" =============================================================================
syntax on
set number
set relativenumber
set termguicolors

" Uncomment the line below, to set an installed theme - replace <name> with colorscheme name
" colorscheme <name>

" =============================================================================
" = Options =
" =============================================================================
set encoding=utf8

" Completion options
set completeopt=menuone,noinsert,noselect
set shortmess+=c

" Search options
set hlsearch
set incsearch
set ignorecase
set smartcase

" Indent options
set shiftwidth=4
set softtabstop=4
set tabstop=4
set expandtab
set autoindent
set smartindent

" Line options
set showmatch
set linebreak
set showbreak=+++
set textwidth=120
set colorcolumn=120
set scrolloff=5

" Move backups and swapdfiles to cache
set dir=~/.cache/nvim
set backup
set backupdir=~/.cache/nvim

" Persist an undo even after closing vim
set undofile
set undodir=~/.cache/nvim
set undolevels=1000
set history=1000

" Lazy redraw
set complete-=i
set lazyredraw

" Buffers/Tabs/Windows
set hidden

" spelling
set nospell

" For git
set signcolumn=yes

" Mouse support
set mouse=a

" File format type
set fileformats=unix

" backspace behaviour
set backspace=indent,eol,start

" Status line
set noshowmode
set laststatus=2

" Better display
set cmdheight=2

" Auto reload file if changed outside vim, or just :e!
set autoread

" =============================================================================
" = Keybindings =
" =============================================================================
let mapleader = ' '

" Unbind default bindings for arrow keys, trust me this is for your own good
vnoremap <up> <nop>
vnoremap <down> <nop>
vnoremap <left> <nop>
vnoremap <right> <nop>

inoremap <up> <nop>
inoremap <down> <nop>
inoremap <left> <nop>
inoremap <right> <nop>

" Map Esc, to perform quick switching between Normal and Insert mode
inoremap jk <ESC>

" Map escape from terminal input to Normal mode
tnoremap <ESC> <C-\><C-n>
tnoremap <C-[> <C-\><C-n>

" Copy/Paste from the system clipboard
" Uncomment if you want to do copy paste normally
" vnoremap <C-c> "+y<CR>
" nnoremap <C-v> "+p<CR>

" Builtin File explorer
noremap <F3> :Ex<CR>

" Manual completion
imap <C-Space> <C-x><C-o>

" Disable highlights
nnoremap <leader><CR> :noh<CR>

" Buffer maps
" You can remap them to any other keys
nnoremap <leader>bl :buffers<CR>
" Go to next buffer
nnoremap <C-l> :bnext<CR>
" Go to previous buffer
nnoremap <C-h> :bprevious<CR>
" Close the current buffer
nnoremap <leader>bd :bp<BAR>sp<BAR>bn<BAR>bd<CR>

" Resize window panes, we can use those arrow keys
" to help use resize windows - at least we give them some purpose
nnoremap <up> :resize +2<CR>
nnoremap <down> :resize -2<CR>
nnoremap <left> :vertical resize -2<CR>
nnoremap <right> :vertical resize +2<CR>

" Move a line of text Alt+[j/k]
nnoremap <M-j> mz:m+<CR>`z
nnoremap <M-k> mz:m-2<CR>`z
vnoremap <M-j> :m'>+<CR>`<my`>mzgv`yo`z
vnoremap <M-k> :m'<-2<CR>`>my`<mzgv`yo`z

" Edit the config file
nnoremap <leader>ve :e $MYVIMRC<CR>

" Source the config file
nnoremap <leader>vs :so $MYVIMRC<CR>

" Reload file
nnoremap <leader>r :e!<CR>

" =============================================================================
" = Commands =
" =============================================================================
command! Config edit $MYVIMRC
command! ConfigReload so $MYVIMRC

" Don't make mistakes, there are no such thing :)
command! -nargs=* W w
command! -nargs=* Wq wq
command! -nargs=* WQ wq
command! -nargs=* Q q
command! -nargs=* Qa qa
command! -nargs=* QA qa