" Essential
set nocompatible
filetype plugin indent on
set encoding=utf-8

" Settings
let mapleader=" "

set noswapfile
set number relativenumber
set ruler
set noerrorbells
set laststatus=2
set showmode
set showcmd
set wildmenu
set splitbelow splitright
set hidden

" Indentation
set expandtab
set smartindent
set shiftwidth=4
set tabstop=4
set softtabstop=4
set list
set listchars="lead:·,tab:··"

" Search
set ignorecase
set smartcase
set hlsearch
set incsearch
set showmatch

set wildignore="**/node_modules/**,*.o,*.class"
set path=".,**"

" Keybindings
imap JJ <ESC>
nnoremap <silent> <Tab> :bnext<CR>
nnoremap <silent> <S-Tab> :bprevious<CR>
nnoremap <silent> <leader>x :bd!<CR>
nnoremap <silent> <Tab> :bnext<CR>
nnoremap <silent> <leader>h :noh<CR>
nnoremap <silent> <C-n> :Exp<CR>

" Commands
" Set indent style for current buffer.
function! s:SetIndent(size, use_spaces) abort
    let l:size = a:size ==# "" ? 4 : str2nr(a:size)
    if l:size <= 0
        let l:size = 4
    endif

    let &l:shiftwidth = l:size
    let &l:tabstop = l:size
    let &l:softtabstop = l:size
    let &l:expandtab = l:size
endfunction

command! -nargs=? Tabs call s:SetIndent(<q-args>, 0)
command! -nargs=? Spaces call s:SetIndent(<q-args>, 1)

" Autocmd
augroup Custom
    autocmd!
    autocmd FileType typescript,typescriptreact compiler tsc
    autocmd FileType go Tabs 4
augroup END