Vim configurations focused on Flutter env

.vimrc

" Plugins setup ---------- {{{

call plug#begin('~/.vim/plugged')

" Section: UI
" Description: In order to use devicons follow this documentation:
" https://github.com/ryanoasis/nerd-fonts#font-installation
"
Plug 'lucasprag/simpleblack'
Plug 'vim-airline/vim-airline'
Plug 'ryanoasis/vim-devicons'
Plug 'tomasiser/vim-code-dark'

" Section: Editing
Plug 'tpope/vim-commentary'
Plug 'kamykn/spelunker.vim'

" Section: Navigation
Plug 'ctrlpvim/ctrlp.vim'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'yaronkh/vim-winmanip'

" Section: Utils
Plug 'tpope/vim-dispatch'
Plug 'clojure-vim/vim-jack-in'

" Section: LSP
Plug 'neoclide/coc.nvim', {'branch': 'release'}

" Section: General programming languages support
Plug 'sheerun/vim-polyglot'
Plug 'dense-analysis/ale'

" Section:  Flutter
" Description: In order to set Flutter env to work properly you must follow
" these steps:
"
" 1. Install coc.vim
" 1. Install dart-vim-plugin
" 2. Open the VIM then execute `:CocInstall coc-flutter`
"
" Wraning: Use the recommended settings provided by https://github.com/iamcco/coc-flutter
Plug 'dart-lang/dart-vim-plugin'

" Section: Clojure
" Description: Install coc-conjure to use coc.vim integrations
Plug 'Olical/conjure', {'tag': 'v4.5.0'}

call plug#end()

" }}}

" VIM general settings ---------- {{{

set foldmethod=marker " enabled grouping settings
set nu
set background=dark
set tabstop=2 softtabstop=0 expandtab shiftwidth=2 smarttab
set autoindent
set smartindent
set noswapfile
set nowrap
set backspace=indent,eol,start
set t_Co=256
set t_ut=
set mouse=a
set sidescroll=1
set laststatus=2
set encoding=UTF-8

"https://github.com/mxw/vim-jsx/issues/124
hi link xmlEndTag xmlTag

colorscheme codedark


"}}}

" Keybindings ---------- {{{

nmap <leader>x :bd<cr>
nmap <leader>p :FZF<cr>
nmap <leader>t :NERDTreeToggle<cr>
map <leader>c :Commentary<cr>

tnoremap <Esc> <C-W>N

nnoremap Q <Nop>
nnoremap WQ :wq<cr>

"}}}

" coc-vim settings ---------- {{{

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocActionAsync('doHover')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

augroup mygroup
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder.
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocAction('format')

" Add `:Fold` command to fold current buffer.
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" Add `:OR` command for organize imports of the current buffer.
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

" TextEdit might fail if hidden is not set.
set hidden

" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup

" Give more space for displaying messages.
set cmdheight=2

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=300

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved.
if has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif

" Add (Neo)Vim's native statusline support.
" NOTE: Please see `:h coc-status` for integrations with external plugins that
" provide custom statusline: lightline.vim, vim-airline.
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings for CoCList
" Show all diagnostics.
nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>

" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
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>

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current buffer.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Map function and class text objects
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
xmap if <Plug>(coc-funcobj-i)
omap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap af <Plug>(coc-funcobj-a)
xmap ic <Plug>(coc-classobj-i)
omap ic <Plug>(coc-classobj-i)
xmap ac <Plug>(coc-classobj-a)
omap ac <Plug>(coc-classobj-a)

" Use CTRL-S for selections ranges.
" Requires 'textDocument/selectionRange' support of language server.
nmap <silent> <C-s> <Plug>(coc-range-select)
xmap <silent> <C-s> <Plug>(coc-range-select)

" Use tab for trigger completion with characters ahead and navigate.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.
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.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current
" position. Coc only does snippet and additional edit on confirm.
" <cr> could be remapped by other vim plugin, try `:verbose imap <CR>`.
if exists('*complete_info')
  inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
else
  inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
endif

" }}}

" NERDTree settings ---------- {{{

let g:NERDTreeDirArrowExpandable = '▸'
let g:NERDTreeDirArrowCollapsible = '▾'
let g:NERDTreeGitStatusIndicatorMapCustom = {
                \ 'Modified'  :'✹',
                \ 'Staged'    :'✚',
                \ 'Untracked' :'✭',
                \ 'Renamed'   :'➜',
                \ 'Unmerged'  :'═',
                \ 'Deleted'   :'✖',
                \ 'Dirty'     :'✗',
                \ 'Ignored'   :'☒',
                \ 'Clean'     :'✔︎',
                \ 'Unknown'   :'?',
                \ }

autocmd StdinReadPre * let s:std_in=1
autocmd vimenter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif

map <leader>n :NERDTreeToggle<cr>

" }}}

" ctrlp.vim settings ---------- {{{

set wildignore+=*/tmp/*,*.so,*.swp,*.zip     " MacOSX/Linux

let g:ctrlp_custom_ignore = '\v[\/]\.(git|hg|svn)$'
let g:ctrlp_custom_ignore = {
  \ 'dir':  '\v[\/]\.(git|hg|svn)$',
  \ 'file': '\v\.(exe|so|dll)$',
  \ 'link': 'some_bad_symbolic_links',
  \ }

map <c-b> :CtrlPBuffer<cr>

" }}}

" The Silver Searcher ---------- {{{

if executable('ag')
  " Use ag over grep
  set grepprg=ag\ --nogroup\ --nocolor

  " Use ag in CtrlP for listing files. Lightning fast and respects .gitignore
  let g:ctrlp_user_command = 'ag %s -l --nocolor -g ""'

  " ag is fast enough that CtrlP doesn't need to cache
  let g:ctrlp_use_caching = 0
endif

nnoremap K :grep! "\b<C-R><C-W>\b"<CR>:cw<CR>

" bind \ (backward slash) to grep shortcut
command -nargs=+ -complete=file -bar Ag silent! grep! <args>|cwindow|redraw!

nnoremap \ :Ag<SPACE>

" }}}

"Airline settings --------- {{{

let g:airline_theme = 'codedark'

" }}}

" ALE settings ---------- {{{

let g:ale_disable_lsp = 1
let g:ale_linters_explicit = 1
let g:ale_fix_on_save = 1
let g:ale_linters = {}
let g:ale_fixers = {
\   '*': ['remove_trailing_lines', 'trim_whitespace'],
\   'dart': ['dartfmt'],
\}

" }}}

" Spelunker settings ---------- {{{

set nospell
let g:enable_spelunker_vim = 0

" }}}

" FZF ---------- {{{

autocmd! FileType fzf tnoremap <buffer> <esc> <c-c>

" }}}