scriptencoding utf-8
" no vi-compatible
set nocompatible

" Setting up Vundle - the best vim plugin manager
let iCanHazVundle=1
let vundle_readme=expand('~/.vim/bundle/vundle/README.md')
if !filereadable(vundle_readme)
    echo "Installing Vundle..."
    echo ""
    silent !mkdir -p ~/.vim/bundle
    silent !git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/vundle
    let iCanHazVundle=0
endif

filetype off

set rtp+=~/.vim/bundle/vundle/
call vundle#rc()

" let Vundle manage Plugins
"Plugin 'VundleVim/Vundle.vim'

" ============================================================================
" Active plugins
" You can disable or add new ones here:

" Plugins from github repos:

" Better file browser
Plugin 'scrooloose/nerdtree'
" Code commenter
Plugin 'scrooloose/nerdcommenter'
" Class/module browser
" Plugin 'majutsushi/tagbar'
" Code and files fuzzy finder
Plugin 'ctrlpvim/ctrlp.vim'
" Extension to ctrlp, for fuzzy command finder
Plugin 'fisadev/vim-ctrlp-cmdpalette'
" Zen coding
Plugin 'mattn/emmet-vim'
" A Git wrapper so awesome
Plugin 'tpope/vim-fugitive'
" Tab management for Vim
Plugin 'kien/tabman.vim'
" Airline
" Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
" Consoles as buffers
Plugin 'rosenfeld/conque-term'
" Pending tasks list
Plugin 'fisadev/FixedTaskList.vim'
" Surround
Plugin 'tpope/vim-surround'
" Autoclose
Plugin 'Townk/vim-autoclose'
" Indent text object
Plugin 'michaeljsmith/vim-indent-object'
" Python mode (indentation, doc, refactor, lints, code checking, motion and
" operators, highlighting, run and ipdb breakpoints)
Plugin 'python-mode/python-mode'
" Better autocompletion
Plugin 'Shougo/neocomplcache.vim'
" Snippets manager (SnipMate), dependencies, and snippets repo
Plugin 'MarcWeber/vim-addon-mw-utils'
Plugin 'tomtom/tlib_vim'
Plugin 'honza/vim-snippets'
Plugin 'garbas/vim-snipmate'
" awesome colorscheme
Plugin 'tomasr/molokai'
" Git/mercurial/others diff icons on the side of the file lines
Plugin 'mhinz/vim-signify'
" Automatically sort python imports
Plugin 'fisadev/vim-isort'
" Drag visual blocks arround
Plugin 'fisadev/dragvisuals.vim'
" Window chooser
Plugin 't9md/vim-choosewin'
" Python and other languages code checker
Plugin 'vim-syntastic/syntastic'
" Paint css colors with the real color
Plugin 'lilydjwg/colorizer'
" Relative numbering of lines (0 is the current line)
" Require Vim 7.3+
" Plugin 'myusuf3/numbers.vim'

" javascript complete after install the plugin, you must cd the install
" directory and run `npm install`, then add a .tern-project config file
" the doc at http://ternjs.net/doc/manual.html#vim
Plugin 'ternjs/tern_for_vim'
" Golang Plugins
Plugin 'fatih/vim-go'
" JSX syntax highlight.
Plugin 'mxw/vim-jsx'
" Markdown syntastic highlight
Plugin 'godlygeek/tabular'
Plugin 'plasticboy/vim-markdown'
" Markdown realtime preview
" Before you want to use it, please run
" `sudo npm -g install instant-markdown-d`
Plugin 'suan/vim-instant-markdown'
" Handlebars syntax highlighting
Plugin 'mustache/vim-mustache-handlebars'
" Vue.js syntax and highlighting
Plugin 'tao12345666333/vim-vue'
" True Sublime Text style multiple selections for Vim
Plugin 'terryma/vim-multiple-cursors'
" Modern database interface for Vim
Plugin 'tpope/vim-dadbod'
" Dockerfile support
Plugin 'ekalinin/Dockerfile.vim'

" Plugins from vim-scripts repos:

" Search results counter
Plugin 'IndexedSearch'
" XML/HTML tags navigation
Plugin 'matchit.zip'
" Gvim colorscheme
Plugin 'Wombat'
" Yank history navigation
Plugin 'YankRing.vim'  " 引号补全、括号补全
Plugin 'jiangmiao/auto-pairs'
Plugin 'VundleVim/Vundle.vim'   "VundleVim插件管理
Plugin 'itchyny/lightline.vim'  "状态栏1
"Plugin 'preservim/nerdtree'     "文件树
Plugin 'frazrepo/vim-rainbow'   "括号匹配色
Plugin 'vim-airline/vim-airline'   "状态栏插件2
Plugin 'Shougo/neocomplete.vim'  "语法自动补全；按TAB键进行确认
Plugin 'Raimondi/delimitMate'  "括号自动补全插件
Plugin 'w0rp/ale'  "语法检查
Plugin 'nathanaelkane/vim-indent-guides'  "对齐线
"Plugin 'Yggdroot/indentLine'  "对齐线2
Plugin 'majutsushi/tagbar' "tagbar类似于tarlist
Plugin 'rkulla/pydiction' "Python自动补全插件
Plugin 'neoclide/coc.nvim' " 自动补全插件
" ============================================================================
" Install plugins the first time vim runs

if iCanHazVundle == 0
    echo "Installing Plugins, please ignore key map error messages"
    echo ""
    :PluginInstall
endif

" ============================================================================
" Vim settings and mappings
" You can edit them as you wish

" allow plugins by file type (required for plugins!)
filetype plugin on
filetype indent on

" tabs and spaces handling
set expandtab
set tabstop=4
set softtabstop=4
set shiftwidth=4
" highlight cursor line and column
set cursorline
set cursorcolumn
" hidden startup messages
set shortmess=atI
" auto read and write
set autowrite
set autoread
" when deal with unsaved files ask what to do
set confirm
" no backup files
set nobackup
" other settings
set langmenu=zh_CN.UTF-8
set mouse=a
set whichwrap+=<,>,h,l,[,]
" set background=dark
hi Normal ctermfg=252 ctermbg=none
set encoding=utf-8

set backspace=2 " make backspace work like most other apps
set backspace=indent,eol,start

" tab length exceptions on some file types
 autocmd FileType html setlocal shiftwidth=2 tabstop=2 softtabstop=2
 autocmd FileType htmldjango setlocal shiftwidth=2 tabstop=2 softtabstop=2
 autocmd FileType javascript setlocal shiftwidth=2 tabstop=2 softtabstop=2

" auto open or close NERDTree
autocmd vimenter * if !argc() | NERDTree | endif
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif

" always show status bar
set laststatus=2

" incremental search
set incsearch
" highlighted search results
set hlsearch
" search ignore case
set ignorecase
" muting search highlighting
nnoremap <silent> <C-l> :<C-u>nohlsearch<CR><C-l>

" syntax highlight on
syntax on

" show line numbers
set nu

" tab navigation mappings
map tn :tabn<CR>
map tp :tabp<CR>
map tm :tabm
map tt :tabnew
map ts :tab split<CR>
map <C-S-Right> :tabn<CR>
imap <C-S-Right> <ESC>:tabn<CR>
map <C-S-Left> :tabp<CR>
imap <C-S-Left> <ESC>:tabp<CR>

" navigate windows with meta+arrows
map <M-Right> <c-w>l
map <M-Left> <c-w>h
map <M-Up> <c-w>k
map <M-Down> <c-w>j
imap <M-Right> <ESC><c-w>l
imap <M-Left> <ESC><c-w>h
imap <M-Up> <ESC><c-w>k
imap <M-Down> <ESC><c-w>j

" old autocomplete keyboard shortcut
imap <C-J> <C-X><C-O>

" Comment this line to enable autocompletion preview window
" (displays documentation related to the selected completion option)
" Disabled by default because preview makes the window flicker
set completeopt-=preview

filetype plugin on
" 设置Python自动补全
let g:pydiction_location = '~/.vim/bundle/pydiction/complete-dict'"语法检查配置

"ale
"始终开启标志列
let g:ale_sign_column_always = 1
let g:ale_set_highlights = 0
"自定义error和warning图标
let g:ale_sign_error = '✗'
let g:ale_sign_warning = '⚡'
"在vim自带的状态栏中整合ale
let g:ale_statusline_format = ['✗ %d', '⚡ %d', '✔ OK']
"显示Linter名称,出错或警告等相关信息
let g:ale_echo_msg_error_str = '✗'             " 'E'
let g:ale_echo_msg_warning_str = '⚡'               " 'W'
let g:ale_echo_msg_format = '[%linter%] %s [%severity%]'
"普通模式下，sp前往上一个错误或警告，sn前往下一个错误或警告
nmap sp <Plug>(ale_previous_wrap)
nmap sn <Plug>(ale_next_wrap)
"<Leader>s触发/关闭语法检查
nmap <Leader>s :ALEToggle<CR>
"<Leader>d查看错误或警告的详细信息
nmap <Leader>d :ALEDetail<CR>
set statusline=%F%m%r%h%w\ [FORMAT=%{&ff}]\ [TYPE=%Y]\ [POS=%l,%v][%p%%]\ %{strftime(\"%d/%m/%y\ -\ %H:%M\")}\ %{ALEGetStatusLine()}
"文件内容发生变化时不进行检查
let g:ale_lint_on_text_changed = 'never'
"打开文件时不进行检查
let g:ale_lint_on_enter = 0
let g:ale_linters = {
\   'c++': ['clang'],
\   'c': ['clang'],
\}
"以上为语法检查配置

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""


" save as sudo
ca w!! w !sudo tee "%"

" simple recursive grep
" both recursive grep commands with internal or external (fast) grep
command! -nargs=1 RecurGrep lvimgrep /<args>/gj ./**/*.* | lopen | set nowrap
command! -nargs=1 RecurGrepFast silent exec 'lgrep! <q-args> ./**/*.*' | lopen
" mappings to call them
nmap ,R :RecurGrep
nmap ,r :RecurGrepFast
" mappings to call them with the default word as search text
nmap ,wR :RecurGrep <cword><CR>
nmap ,wr :RecurGrepFast <cword><CR>

" use 256 colors when possible 配色方案
"if &term =~? 'mlterm\|xterm\|xterm-256\|screen-256'
"	let &t_Co = 256
"    colorscheme molokai
"else
"    colorscheme delek
"endif

" colors for gvim
"if has('gui_running')
"    colorscheme wombat
"endif

" when scrolling, keep cursor 3 lines away from screen border
set scrolloff=3

" autocompletion of files and commands behaves like zsh
" (autocomplete menu)
set wildmenu
set wildmode=full

" better backup, swap and undos storage
set directory=~/.vim/dirs/tmp     " directory to place swap files in
set backup                        " make backup files
set backupdir=~/.vim/dirs/backups " where to put backup files
set undofile                      " persistent undos - undo after you re-open the file
set undodir=~/.vim/dirs/undos
set viminfo+=n~/.vim/dirs/viminfo
" store yankring history file there too
let g:yankring_history_dir = '~/.vim/dirs/'

" create needed directories if they don't exist
if !isdirectory(&backupdir)
    call mkdir(&backupdir, "p")
endif
if !isdirectory(&directory)
    call mkdir(&directory, "p")
endif
if !isdirectory(&undodir)
    call mkdir(&undodir, "p")
endif

" ============================================================================
" Plugins settings and mappings
" Edit them as you wish.

" Tagbar -----------------------------

" toggle tagbar display
map <F4> :TagbarToggle<CR>
" autofocus on tagbar open
let g:tagbar_autofocus = 1

" NERDTree -----------------------------

" toggle nerdtree display
map <F3> :NERDTreeToggle<CR>
" open nerdtree with the current file selected
nmap ,t :NERDTreeFind<CR>
" don;t show these file types
let NERDTreeIgnore = ['\.pyc$', '\.pyo$']


" Tasklist ------------------------------

" show pending tasks list
map <F2> :TaskList<CR>

" CtrlP ------------------------------

" file finder mapping
let g:ctrlp_map = ',e'
" hidden some types files
let g:ctrlp_show_hidden = 1
set wildignore+=*/tmp/*,*.so,*.swp,*.zip,*.pyc,*.png,*.jpg,*.gif           "Linux
" tags (symbols) in current file finder mapping
nmap ,g :CtrlPBufTag<CR>
" tags (symbols) in all files finder mapping
nmap ,G :CtrlPBufTagAll<CR>
" general code finder in all files mapping
nmap ,f :CtrlPLine<CR>
" recent files finder mapping
nmap ,m :CtrlPMRUFiles<CR>
" commands finder mapping
nmap ,c :CtrlPCmdPalette<CR>
" to be able to call CtrlP with default search text
function! CtrlPWithSearchText(search_text, ctrlp_command_end)
    execute ':CtrlP' . a:ctrlp_command_end
    call feedkeys(a:search_text)
endfunction
" same as previous mappings, but calling with current word as default text
nmap ,wg :call CtrlPWithSearchText(expand('<cword>'), 'BufTag')<CR>
nmap ,wG :call CtrlPWithSearchText(expand('<cword>'), 'BufTagAll')<CR>
nmap ,wf :call CtrlPWithSearchText(expand('<cword>'), 'Line')<CR>
nmap ,we :call CtrlPWithSearchText(expand('<cword>'), '')<CR>
nmap ,pe :call CtrlPWithSearchText(expand('<cfile>'), '')<CR>
nmap ,wm :call CtrlPWithSearchText(expand('<cword>'), 'MRUFiles')<CR>
nmap ,wc :call CtrlPWithSearchText(expand('<cword>'), 'CmdPalette')<CR>
" don't change working directory
let g:ctrlp_working_path_mode = 0
" ignore these files and folders on file finder
let g:ctrlp_custom_ignore = {
  \ 'dir':  '\v[\/](\.git|\.hg|\.svn)$',
  \ 'file': '\.pyc$\|\.pyo$',
  \ }

" Syntastic ------------------------------

" show list of errors and warnings on the current file
nmap <leader>e :Errors<CR>
" turn to next or previous errors, after open errors list
nmap <leader>n :lnext<CR>
nmap <leader>p :lprevious<CR>
" check also when just opened the file
let g:syntastic_check_on_open = 1
" syntastic checker for javascript.
" eslint is the only tool support JSX.
" If you don't need write JSX, you can use jshint.
" And eslint is slow, but not a hindrance
" let g:syntastic_javascript_checkers = ['jshint']
let g:syntastic_javascript_checkers = ['eslint']
" don't put icons on the sign column (it hides the vcs status icons of signify)
let g:syntastic_enable_signs = 0
" custom icons (enable them if you use a patched font, and enable the previous
" setting)
let g:syntastic_error_symbol = '✗'
let g:syntastic_warning_symbol = '⚠'
let g:syntastic_style_error_symbol = '✗'
let g:syntastic_style_warning_symbol = '⚠'
let g:syntastic_quiet_messages = {
    \ "regex":   'invalid-name\|missing-docstring'}

" Python-mode ------------------------------

" don't use linter, we use syntastic for that
let g:pymode_lint_on_write = 0
let g:pymode_lint_signs = 0
" don't fold python code on open
let g:pymode_folding = 0
" don't load rope by default. Change to 1 to use rope
let g:pymode_rope = 0
" open definitions on same window, and custom mappings for definitions and
" occurrences
let g:pymode_rope_goto_definition_bind = ',d'
let g:pymode_rope_goto_definition_cmd = 'e'
nmap ,D :tab split<CR>:PymodePython rope.goto()<CR>
nmap ,o :RopeFindOccurrences<CR>

" NeoComplCache ------------------------------

" most of them not documented because I'm not sure how they work
" (docs aren't good, had to do a lot of trial and error to make
" it play nice)

" Disable AutoComplPop.
let g:acp_enableAtStartup = 0
" Use neocomplcache.
let g:neocomplcache_enable_at_startup = 1
let g:neocomplcache_enable_ignore_case = 1
" Use smartcase.
let g:neocomplcache_enable_smart_case = 1
let g:neocomplcache_enable_auto_select = 1

let g:neocomplcache_enable_fuzzy_completion = 1
let g:neocomplcache_enable_camel_case_completion = 1
let g:neocomplcache_enable_underbar_completion = 1
let g:neocomplcache_fuzzy_completion_start_length = 1
let g:neocomplcache_auto_completion_start_length = 1
let g:neocomplcache_manual_completion_start_length = 1
" Set minimum syntax keyword length.
let g:neocomplcache_min_keyword_length = 1
let g:neocomplcache_min_syntax_length = 1
let g:neocomplcache_lock_buffer_name_pattern = '\*ku\*'
" complete with workds from any opened file
let g:neocomplcache_same_filetype_lists = {}
let g:neocomplcache_same_filetype_lists._ = '_'
" <TAB>: completion.
inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
" Define keyword.
if !exists('g:neocomplcache_keyword_patterns')
    let g:neocomplcache_keyword_patterns = {}
endif
let g:neocomplcache_keyword_patterns['default'] = '\h\w*'
" Plugin key-mappings.
inoremap <expr><C-g>     neocomplcache#undo_completion()
inoremap <expr><C-l>     neocomplcache#complete_common_string()
" <C-h>, <BS>: close popup and delete backword char.
inoremap <expr><C-h> neocomplcache#smart_close_popup()."\<C-h>"
inoremap <expr><BS> neocomplcache#smart_close_popup()."\<C-h>"
inoremap <expr><C-y>  neocomplcache#close_popup()
inoremap <expr><C-e>  neocomplcache#cancel_popup()

" TabMan ------------------------------

" mappings to toggle display, and to focus on it
let g:tabman_toggle = 'tl'
let g:tabman_focus  = 'tf'

" Autoclose ------------------------------

" Fix to let ESC work as espected with Autoclose plugin
let g:AutoClosePumvisible = {"ENTER": "\<C-Y>", "ESC": "\<ESC>"}

" DragVisuals ------------------------------

" mappings to move blocks in 4 directions
vmap <expr> <S-M-LEFT> DVB_Drag('left')
vmap <expr> <S-M-RIGHT> DVB_Drag('right')
vmap <expr> <S-M-DOWN> DVB_Drag('down')
vmap <expr> <S-M-UP> DVB_Drag('up')
" mapping to duplicate block
vmap <expr> D DVB_Duplicate()

" Signify ------------------------------

" this first setting decides in which order try to guess your current vcs
" UPDATE it to reflect your preferences, it will speed up opening files
let g:signify_vcs_list = [ 'git', 'hg' ]
" mappings to jump to changed blocks
nmap <leader>sn <plug>(signify-next-hunk)
nmap <leader>sp <plug>(signify-prev-hunk)
" nicer colors
highlight DiffAdd           cterm=bold ctermbg=none ctermfg=119
highlight DiffDelete        cterm=bold ctermbg=none ctermfg=167
highlight DiffChange        cterm=bold ctermbg=none ctermfg=227
highlight SignifySignAdd    cterm=bold ctermbg=237  ctermfg=119
highlight SignifySignDelete cterm=bold ctermbg=237  ctermfg=167
highlight SignifySignChange cterm=bold ctermbg=237  ctermfg=227

" Window Chooser ------------------------------

" mapping
nmap  -  <Plug>(choosewin)
" show big letters
let g:choosewin_overlay_enable = 1

" Airline ------------------------------

let g:airline_powerline_fonts = 1
let g:airline_theme = 'bubblegum'
"let g:airline#extensions#tabline#enabled = 1
"let g:airline#extensions#tabline#left_sep = ' '
"let g:airline#extensions#tabline#left_alt_sep = '|'
let g:airline#extensions#whitespace#enabled = 1

" to use fancy symbols for airline, uncomment the following lines and use a
" patched font (more info on the README.rst)
if !exists('g:airline_symbols')
   let g:airline_symbols = {}
endif
" let g:airline_left_sep = '⮀'
" let g:airline_left_alt_sep = '⮁'
" let g:airline_right_sep = '⮂'
" let g:airline_right_alt_sep = '⮃'
" let g:airline_symbols.branch = '⭠'
" let g:airline_symbols.readonly = '⭤'
" let g:airline_symbols.linenr = '⭡'

let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_symbols.branch = ''
let g:airline_symbols.readonly = ''
let g:airline_symbols.linenr = ''

" new file set title and turn to endline
autocmd BufNewFile *.sh,*.py,*.rb exec ":call SetTitle()"
function SetTitle()
    if &filetype == 'sh'
        call setline(1,"\#!/bin/bash")
        call append(line("."), "")

    elseif &filetype == 'python'
        call setline(1,"#!/usr/bin/python3")
        call append(line("."),"# coding=utf-8")
	    call append(line(".")+1, "")

    elseif &filetype == 'ruby'
        call setline(1,"#!/usr/bin/env ruby")
        call append(line("."),"# encoding: utf-8")
	    call append(line(".")+1, "")
    endif
endfunction
autocmd BufNewFile * normal G

" Vim-jsx ------------------------------

" if you use JSX syntax in .js file, please enable it.
let g:jsx_ext_required = 0

" Vim-markdown ------------------------------

" Disabled automatically folding
let g:vim_markdown_folding_disabled=1
" LeTeX math
let g:vim_markdown_math=1
" Highlight YAML frontmatter
let g:vim_markdown_frontmatter=1

" Vim-instant-markdown -----------------

" If it takes your system too much, you can specify
" let g:instant_markdown_slow = 1
" if you don't want to manually control it
" you can open this setting
" and when you open this, you can manually trigger preview
" via the command :InstantMarkdownPreview
let g:instant_markdown_autostart = 0


" coc.vim -----------------

" 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.
set signcolumn=yes

" 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 line.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Introduce function text object
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
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 <TAB> for selections ranges.
" NOTE: Requires 'textDocument/selectionRange' support from the language server.
" coc-tsserver, coc-python are the examples of servers that support it.
nmap <silent> <TAB> <Plug>(coc-range-select)
xmap <silent> <TAB> <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>