Neovim config

init.vim

let mapleader = ","

" Load vundle
set nocompatible
filetype off
call plug#begin()

" GUI enhancements
Plug 'itchyny/lightline.vim'
Plug 'machakann/vim-highlightedyank'
Plug 'andymass/vim-matchup'

" Fuzzy finder
Plug 'airblade/vim-rooter'
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

" NerdTree
Plug 'preservim/nerdtree'

" Indent Detection
Plug 'luochen1990/indent-detector.vim'

" Semantic language support
Plug 'neoclide/coc.nvim', {'branch': 'release'}

" Syntactic language support
Plug 'cespare/vim-toml'
Plug 'stephpy/vim-yaml'
Plug 'rust-lang/rust.vim'
Plug 'rhysd/vim-clang-format'
Plug 'godlygeek/tabular'
Plug 'plasticboy/vim-markdown'
Plug 'iamcco/markdown-preview.nvim', { 'do': 'cd app & yarn install'  }
Plug 'HerringtonDarkholme/yats.vim'

" Colorscheme
Plug 'chriskempson/base16-vim'
Plug 'shinchu/lightline-gruvbox.vim'

" Navigation
Plug 'christoomey/vim-tmux-navigator'

" Beancount
Plug 'nathangrigg/vim-beancount'

call plug#end()

if has('nvim')
    set guicursor=n-v-c:block-Cursor/lCursor-blinkon0,i-ci:ver25-Cursor/lCursor,r-cr:hor20-Cursor/lCursor
    set inccommand=nosplit
    noremap <C-q> :confirm qall<CR>
end

" deal with colors
if !has('gui_running')
  set t_Co=256
endif
if (match($TERM, "-256color") != -1) && (match($TERM, "screen-256color") == -1)
  " screen does not (yet) support truecolor
  set termguicolors
endif

" Colors
set background=dark
colorscheme base16-gruvbox-dark-hard
hi Normal ctermbg=NONE

" Get syntax
syntax on

" Base16
let base16colorspace=256

" Lightline
let g:lightline = {
      \ 'component_function': {
      \   'filename': 'LightlineFilename',
      \ },
      \ 'colorscheme': 'gruvbox',
\ }

function! LightlineFilename()
  return expand('%:t') !=# '' ? @% : '[No Name]'
endfunction

if executable('rg')
	set grepprg=rg\ --no-heading\ --vimgrep
	set grepformat=%f:%l:%c:%m
endif

" Javascript
"let javaScript_fold=1

" Java
let java_ignore_javadoc=1

" Open hotkeys
map <leader>f :Files<CR>
map <leader>F :Bufffers<CR>

" Better display for messages
set cmdheight=2
set updatetime=300

inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction
" Use <c-space> to trigger completion.
inoremap <silent><expr> <c-space> coc#refresh()
" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current position.
" Coc only does snippet and additional edit on confirm.
" inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
" Or use `complete_info` if your vim support it, like:
inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"

" =============================================================================
" # Editor settings
" =============================================================================

"filetype plugin indent on
set autoindent
set timeoutlen=300
set encoding=utf-8
set scrolloff=2
set noshowmode
set hidden
set nowrap
set number
set nojoinspaces

" Splits
set splitright
set splitbelow

" Center search results
nnoremap <silent> n nzz
nnoremap <silent> N Nzz
nnoremap <silent> * *zz
nnoremap <silent> # #zz
nnoremap <silent> g* g*zz

" Very magic by default
nnoremap ? ?\v
nnoremap / /\v
cnoremap %s/ %sm/

" Show hidden characters
set listchars=nbsp:¬,extends:»,precedes:«,trail:•

" <leader>s for Rg search
noremap <leader>s :Rg
let g:fzf_layout = { 'down': '~20%' }
command! -bang -nargs=* Rg
  \ call fzf#vim#grep(
  \   'rg --column --line-number --no-heading --color=always '.shellescape(<q-args>), 1,
  \   <bang>0 ? fzf#vim#with_preview('up:60%')
  \           : fzf#vim#with_preview('right:50%:hidden', '?'),
  \   <bang>0)

function! s:list_cmd()
  let base = fnamemodify(expand('%'), ':h:.:S')
  return base == '.' ? 'fd --type file --follow' : printf('fd --type file --follow | proximity-sort %s', shellescape(expand('%')))
endfunction

command! -bang -nargs=? -complete=dir Files
  \ call fzf#vim#files(<q-args>, {'source': s:list_cmd(),
  \                               'options': '--tiebreak=index'}, <bang>0)




" Open new file adjacent to current file
nnoremap <leader>e :e <C-R>=expand("%:p:h") . "/" <CR>

" No arrow keys --- force yourself to use the home row
nnoremap <up> <nop>
nnoremap <down> <nop>
inoremap <up> <nop>
inoremap <down> <nop>
inoremap <left> <nop>
inoremap <right> <nop>

" Left and right can switch buffers
nnoremap <left> :bp<CR>
nnoremap <right> :bn<CR>

" Move by line
nnoremap j gj
nnoremap k gk

" 'Smart' nevigation
nmap <silent> E <Plug>(coc-diagnostic-prev)
nmap <silent> W <Plug>(coc-diagnostic-next)
nmap <silent> <leader>l <Plug>(coc-diagnostic-info)
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)
" Use K to show documentation in preview window
nnoremap <silent> K :call <SID>show_documentation()<CR>
function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

" <leader><leader> toggles between buffers
nnoremap <leader><leader> <c-^>

" Default indentation rules based on filetype
autocmd FileType javascript setlocal shiftwidth=2 softtabstop=2 expandtab
autocmd FileType typescript setlocal shiftwidth=2 softtabstop=2 expandtab
autocmd FileType typescriptreact setlocal shiftwidth=2 softtabstop=2 expandtab

" Prettier
command! -nargs=0 Prettier :CocCommand prettier.formatFile

" Golang organise imports on save
autocmd BufWritePre *.go :call CocAction('runCommand', 'editor.action.organizeImport')

" Disable tmux navigator when zooming the Vim pane
let g:tmux_navigator_disable_when_zoomed = 1

" Open NerdTree with leader-n
map <leader>n :NERDTreeToggle<CR>