Neovim Configuration

init.vim

" Install plugins
if has("nvim")
	call plug#begin('~/.config/nvim/autoload/plug.vim')
else
	call plug#begin()
endif

Plug 'https://github.com/cohama/lexima.vim'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'ctrlpvim/ctrlp.vim'
Plug 'severin-lemaignan/vim-minimap'
Plug 'tacahiroy/ctrlp-funky'
Plug 'fisadev/vim-ctrlp-cmdpalette'
Plug 'scrooloose/nerdtree'
Plug 'Lenovsky/nuake'
Plug 'vim-airline/vim-airline'
Plug 'wincent/terminus'
Plug 'fatih/vim-go'
Plug 'junegunn/goyo.vim'
Plug 'jreybert/vimagit'
Plug 'tpope/vim-fugitive'
Plug 'prettier/vim-prettier', {
  \ 'do': 'yarn install',
  \ 'branch': 'release/1.x',
  \ 'for': [
    \ 'javascript',
    \ 'typescript',
    \ 'css',
    \ 'less',
    \ 'scss',
    \ 'json',
    \ 'graphql',
    \ 'markdown',
    \ 'vue',
    \ 'lua',
    \ 'php',
    \ 'python',
    \ 'ruby',
    \ 'html',
    \ 'swift' ] }
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

call plug#end()

" Use the system clipboard register
" set clipboard=unnamedplus

" Enable escaping from terminal possible
:tnoremap <Esc> <C-\><C-n>

" Enable mouse support
:set mouse=a

" Enable easy modification of the buffers
set hidden
nnoremap <C-b> :bn<Cr>
nnoremap <C-w> :bd<Cr>

" Toggle Markdown README preview
nnoremap <C-m> :call jobstart('grip . --browser &>/dev/null')<Cr>

" Enable switching the splits easily
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

" Enable project drawer
nnoremap <C-\> :NERDTreeToggle<Cr>
let NERDTreeMinimalUI=1

" Enable focusing the current file in NERDTree
noremap @ :NERDTreeFind<Cr>

" Enable zen mode
noremap <C-U> :Goyo<Cr>

" Enable toggleing the terminal
nnoremap ` :Nuake<CR>
inoremap ` <C-\><C-n>:Nuake<CR>
tnoremap ` <C-\><C-n>:Nuake<CR>

" Enable toggleing Magit
noremap <C-G> :Magit<Cr>

" Enable formatting
noremap <C-S-I> :PrettierAsync<Cr>
autocmd FileType go noremap <C-S-I> :GoFmt<Cr>
let g:prettier#autoformat = 0
autocmd BufWritePre *.js,*.jsx,*.ts,*.tsx,*.rb,*.json,*.yaml,*.yml,*.md,*.html,*.css,*.scss PrettierAsync
autocmd BufWritePre *.go,*.mod GoFmt

" Enable minimap
" :Minimap
 
" Add key bindings for function finder
nnoremap <C-o> :CtrlPFunky<Cr>

" Add key bindings for command finder
nnoremap <C-]> :CtrlPCmdPalette<Cr>

" Underline the currently edited line
:autocmd InsertEnter,InsertLeave * set cul!

" Add top buffer bar Airline
let g:airline#extensions#tabline#enabled = 1

" Add the buffer number to the buffer bar
let g:airline#extensions#tabline#buffer_nr_show = 1

" Configure Coc

" Show CoC diagnostic
nnoremap # :CocList diagnostics<Cr>

" Better display for messages
set cmdheight=2

" You will have bad experience for diagnostic messages when it's default 4000.
set updatetime=300

" don't give |ins-completion-menu| messages.
set shortmess+=c

" Use tab for trigger completion with characters ahead and navigate.
" Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
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>"

" Use `[g` and `]g` to navigate diagnostics
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" Remap keys for gotos
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

" Highlight symbol under cursor on CursorHold
autocmd CursorHold * silent call CocActionAsync('highlight')

" Remap for rename current word
nmap <leader>rn <Plug>(coc-rename)

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

" Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap for do codeAction of current line
nmap <leader>ac  <Plug>(coc-codeaction)
" Fix autofix problem of current line
nmap <leader>qf  <Plug>(coc-fix-current)

" Create mappings for function text object, requires document symbols feature of languageserver.
xmap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap if <Plug>(coc-funcobj-i)
omap af <Plug>(coc-funcobj-a)

" Use <C-d> for select selections ranges, needs server support, like: coc-tsserver, coc-python
nmap <silent> <C-d> <Plug>(coc-range-select)
xmap <silent> <C-d> <Plug>(coc-range-select)

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

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

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