nods.js 설치
coc.nvim 은 설치 시 nods.js 를 필요로 하므로, 다음 명령으로 node.js 를 설치 진행합니다.
$ curl -sL install-node.now.sh/lts | sudo bash
vim-plug 에 coc.nvim 플러그인 추가
coc.nvim 은 vim-plug 를 통한 설치를 지원합니다. 다음과 같이 ~/.vimrc 내 vim-plug 설정 쪽에 아래 굵은 라인을 추가합니다.
$ vim ~/.vimrc
...
call plug#begin('~/.vim/plugged')
Plug 'neoclide/coc.nvim', {'branch': 'release'}
call plug#end()
...
편집 내용 저장 후 vim 내에서 아래 명령들을 수행, 수정한 .vimrc 을 적용하고 플러그인 설치를 진행합니다.
:source %
:PlugInstall
.vimrc 에 coc.nvim 관련 추천 설정 추가
~/.vimrc 내에 coc.nvim 에서 권장하는 기본 설정들을 추가합니다.
펼치기" 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
" 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.
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.
" <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
" Use `[g` and `]g` to navigate diagnostics
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>
function! s:show_documentation()
if (index(['vim','help'], &filetype) >= 0)
execute 'h '.expand('<cword>')
else
call CocAction('doHover')
endif
endfunction
" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')
" 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)
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
" 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 LS, ex: coc-tsserver
nmap <silent> <C-s> <Plug>(coc-range-select)
xmap <silent> <C-s> <Plug>(coc-range-select)
" 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')
" 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 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>
coc.nvim 의 extension 들
coc.nvim 에서는 C, C++, Java, Python, Go 등등 한번에 나열하기도 힘들정도로 다양한 언어의 Language server 들을 extension 으로 제공하고 있습니다. coc extensions 페이지에서는 coc.nvim 에서 다이렉트로 설치 가능한(CocInstall 커맨드 사용으로) extensions 들이 정리되어 있으니 한번 둘러보시는게 좋습니다. 이 외에도 설치 및 설정법이 정리된 다양한 Language server 들이 있고, Language servers 페이지에서 확인해 보실 수 있습니다.
* Environment
- HW: DS920+ (Synology NAS)
- OS: Ubuntu 20.04 (Docker container)
- vim 8.1