" #plugins {{{
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif
call plug#begin('~/.vim/bundle')
"css3-syntax
Plug 'hail2u/vim-css3-syntax'
"scss-syntax
Plug 'cakebaker/scss-syntax.vim'
"tagbar
Plug 'majutsushi/tagbar'
"vim-surround
Plug 'tpope/vim-surround'
"undotree
Plug 'mbbill/undotree'
" Ctrlp
Plug 'ctrlpvim/ctrlp.vim'
"
" Obsession
Plug 'tpope/vim-obsession'
" vim-css-color
" Plug 'ap/vim-css-color'
" vim-javascript
Plug 'pangloss/vim-javascript'
" ultisnips
" https://github.com/sirver/UltiSnips
Plug 'SirVer/ultisnips'
" and some snippets
" https://github.com/honza/vim-snippets
" Plug 'honza/vim-snippets'
" ALE
" https://github.com/w0rp/ale
Plug 'w0rp/ale'
" MatchTag
" https://github.com/gregsexton/MatchTag
" DISABLED DUE TO KNOWN ISSUE - https://github.com/gregsexton/MatchTag/issues/40
" Plug 'gregsexton/MatchTag'
" phpcomplete.vim
" https://github.com/shawncplus/phpcomplete.vim
Plug 'shawncplus/phpcomplete.vim'
" https://github.com/dsawardekar/wordpress.vim
" For up to date Wordpress Files see:
"   https://github.com/joseluis/wordpress.vim-generator
"Plug 'dsawardekar/wordpress.vim'
" disabled - doesn't support universal ctags?
" vim-vue
" https://github.com/posva/vim-vue
Plug 'posva/vim-vue'
" vim-commentary
" https://github.com/tpope/vim-commentary
Plug 'tpope/vim-commentary'
" vim-repeat
" https://github.com/tpope/vim-repeat
Plug 'tpope/vim-repeat'
" https://github.com/mattn/emmet-vim
Plug 'mattn/emmet-vim'
" vimwiki
" https://github.com/vimwiki/vimwiki
Plug 'vimwiki/vimwiki'
" gitgutter
" https://github.com/airblade/vim-gitgutter/blob/master/README.mkd
Plug 'airblade/vim-gitgutter'
" vim-gutentags
" https://github.com/ludovicchabant/vim-gutentags
Plug 'ludovicchabant/vim-gutentags'
" vim-qlist
" https://github.com/romainl/vim-qlist/
" Plug 'romainl/vim-qlist'
" fugitive-vim
" https://github.com/tpope/vim-fugitive/blob/master/README.markdown
Plug 'tpope/vim-fugitive'
" vim-dispatch
" https://github.com/tpope/vim-dispatch
Plug 'tpope/vim-dispatch'
" colorV
" https://github.com/gu-fan/colorv.vim
Plug 'gu-fan/colorv.vim'
" vim switch
"https://github.com/AndrewRadev/switch.vim
Plug 'AndrewRadev/switch.vim'
" gitv
" https://github.com/gregsexton/gitv
Plug 'gregsexton/gitv'
" wakarime
" https://wakatime.com/vim
Plug 'wakatime/vim-wakatime'
" vim-easy-align
" https://github.com/junegunn/vim-easy-align
Plug 'junegunn/vim-easy-align'
" vim-instant-markdown
" https://github.com/suan/vim-instant-markdown
" Plug 'suan/vim-instant-markdown'
" asyncomplete.vim
" https://github.com/prabirshrestha/asyncomplete.vim
" Plug 'prabirshrestha/asyncomplete.vim'
" Plug 'yami-beta/asyncomplete-omni.vim'
" Plug 'prabirshrestha/asyncomplete-ultisnips.vim'
" Plug 'prabirshrestha/asyncomplete-file.vim'
" Plug 'prabirshrestha/asyncomplete-buffer.vim'
" Plug 'prabirshrestha/asyncomplete-tags.vim'
" Plug 'prabirshrestha/asyncomplete-lsp.vim'
" Plug 'Shougo/neco-vim'
" Plug 'prabirshrestha/asyncomplete-necovim.vim'
" vim-lsp
" https://github.com/prabirshrestha/vim-lsp
Plug 'prabirshrestha/async.vim'
Plug 'prabirshrestha/vim-lsp'
" inline_edit.vim
" https://github.com/AndrewRadev/inline_edit.vim
Plug 'AndrewRadev/inline_edit.vim'
" Activity Watch
" https://github.com/ActivityWatch/aw-watcher-vim
Plug 'ActivityWatch/aw-watcher-vim'
call plug#end()
runtime macros/matchit.vim
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #plugin settings {{{
" inline_edit.vim{{{
let g:inline_edit_patterns = [{
    \ 'main_filetype':     '*html',
    \ 'sub_filetype':      'scss',
    \ 'indent_adjustment': 1,
    \ 'start':             ''
  \ }]
let g:inline_edit_autowrite = 1
let g:inline_edit_proxy_type = 'tempfile'
let g:inline_edit_new_buffer_command ='tabedit'
let g:inline_edit_modify_statusline = 0
nnoremap ie :InlineEdit
"}}}
" vim-lsp{{{
let g:lsp_signs_enabled = 1
let g:lsp_signs_error = {'text': '>>'}
let g:lsp_signs_warning = {'text': '>'}
let g:lsp_signs_information = {'text': '--'}
let g:lsp_signs_hint = {'text': '--'}
let g:lsp_diagnostics_echo_cursor = 1
let g:lsp_diagnostics_echo_delay = 0
nnoremap \l :LspDocumentDiagnostics
nnoremap \h :LspHover
nnoremap \d :LspDefinition
nnoremap \r :LspReferences
nnoremap \n :LspRename
nnoremap \s :LspDocumentSymbol
nnoremap \w :LspWorkspaceSymbol
nnoremap \ff :LspDocumentFormat
nnoremap \fr :LspDocumentRangeFormat
augroup User lsp_setup 
  autocmd!
  if executable('vls')
    autocmd User lsp_setup call lsp#register_server({
          \ 'name': 'vue',
          \ 'cmd': {server_info->['vls']},
          \ 'whitelist': ['vue'],
          \ })
  endif
  if executable('pyls')
    autocmd User lsp_setup call lsp#register_server({
          \ 'name': 'pyls',
          \ 'cmd': {server_info->['pyls']},
          \ 'whitelist': ['python'],
          \ })
  endif
  if executable('typescript-language-server')
    au User lsp_setup call lsp#register_server({
      \ 'name': 'typescript-language-server',
      \ 'cmd': { server_info->[&shell, &shellcmdflag, 'typescript-language-server --stdio']},
      \ 'root_uri': { server_info->lsp#utils#path_to_uri(lsp#utils#find_nearest_parent_directory(lsp#utils#get_buffer_path(), '.git/..'))},
      \ 'whitelist': ['typescript', 'javascript', 'javascript.jsx']
      \ })
  endif
augroup END
"}}}
" ALE {{{
nnoremap ne :lnext
nnoremap pe :lprev
let g:ale_sign_error = '>>'
let g:ale_sign_warning = '>'
let g:ale_sign_column_always = 1
let g:ale_open_list = 0
" let g:ale_linters = {'scss': ['stylelint'], 'javascript': ['eslint'], 'php':['php'], 'html':['htmlhint'], 'python': [], 'vue': []}
let g:ale_linters = {'scss': ['stylelint'], 'javascript': [], 'php':['php'], 'html':['htmlhint'], 'python': [], 'vue': []}
" let g:ale_linters_explicit = 1
let g:ale_html_htmlhint_options = '-c ~/.htmlhintrc --format=unix'
let g:ale_fixers = {'javascript': ['eslint']}
"}}}
" vim-easy-align {{{
xmap ga (EasyAlign)
nmap ga (EasyAlign)
"}}}
" switch.vim{{{
let g:switch_mapping = '-'
let g:switch_custom_definitions = [
  \ ['0', '1'],
  \ ['ease-in', 'ease-out'],
  \ ['auto', 'none'],
  \ ['left', 'right'],
  \ ['top', 'bottom'],
  \ ['relative', 'absolute', 'fixed']
\ ]
"}}}
" gitgutter{{{
nmap ]h GitGutterNextHunk
nmap [h GitGutterPrevHunk
omap ih GitGutterTextObjectInnerPending
omap ah GitGutterTextObjectOuterPending
xmap ih GitGutterTextObjectInnerVisual
xmap ah GitGutterTextObjectOuterVisual
"}}}
" Use the silver searcher ag command instead of grep{{{
if executable('ag')
  " Use ag over grep
  set grepprg=ag\ --nogroup\ --nocolor\ --ignore\ node_modules
  " 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
"vim-wiki
let g:vimwiki_list = [{'path': '~/vimwiki/', 'path_html': '~/vimwiki_html/'}]
" emmet
let g:user_emmet_leader_key=',,'
let g:user_emmet_settings = {
\  'indentation': '  ',
\  'html': {
\    'indentation': '    ',
\  }
\}
"}}}
" vue-vim{{{
" disable preprocessor checking for vue files - increases speed
let g:vue_disable_pre_processors=0
" set custom syntax highlighting
augroup fixhighlighting
  autocmd!
  autocmd BufNewFile,BufRead *.vue syntax sync fromstart
augroup END
"}}}
" ultisnips{{{
nnoremap ul :call ListUltisnips()
inoremap jkul :call ListUltisnips()
let g:UltiSnipsSnippetsDir='~/.vim/UltiSnips'
" Trigger configuration. Do not use  if you use https://github.com/Valloric/YouCompleteMe.
let g:UltiSnipsExpandTrigger=''
let g:UltiSnipsJumpForwardTrigger=''
let g:UltiSnipsJumpBackwardTrigger=''
let g:UltiSnipsEditSplit='horizontal'
function! ListUltisnips() abort
  let l:snips = UltiSnips#SnippetsInCurrentScope(1)
  let l:keylist = sort(keys(l:snips))
  echo ' --------------------------------------------------'
  for l:key in l:keylist
    echo printf(" %-10s\t%s", l:key, l:snips[l:key])
  endfor
  echo '---------------------------------------------------'
endfunction
function! CompleteSnippets(findstart, base)
  if a:findstart
    let l:line = getline('.')
    let l:start = col('.') - 1
    while l:start > 0 && l:line[l:start - 1] =~ '\a'
      let l:start -= 1
    endwhile
    return l:start
  else
    let l:res = []
    let l:snips = UltiSnips#SnippetsInCurrentScope(1)
    let l:keylist = sort(keys(l:snips))
    for l:key in l:keylist
      if l:key =~ '^' . a:base
        let l:item = {'word': l:key, 'menu': l:snips[l:key]}
        call add(l:res, l:item)
      endif
    endfor
    return l:res
  endif
endfunction
set completefunc=CompleteSnippets
"}}}
" Netrw{{{
let g:netrw_liststyle=3
let g:netrw_list_hide='^\..*'
let g:netrw_preview = 0
"}}}
" undotree{{{
nnoremap ut :UndotreeToggle
"}}}
" TagBar{{{
nnoremap tb :TagbarOpen fj
nnoremap ] :tag /[.#@]=expand('')
let g:tagbar_autoclose = 1
" let g:tagbar_autopreview = 1
" let g:tagbar_previewwin_pos = ''
let g:tagbar_type_css = {
\  'ctagstype' : 'css',
\  'kinds' : [
\    'c:classes',
\    'i:ids',
\    't:tags',
\    'm:medias'
\  ]
\}
let g:tagbar_type_scss = {
\  'ctagstype' : 'scss',
\  'kinds' : [
\    'v:variables',
\    'c:classes',
\    'i:ids',
\    't:tags',
\    'd:medias',
\    'm:mixins',
\    'f:functions'
\  ]
\}
let g:tagbar_type_vue = {
\ 'ctagstype' : 'vue',
\ 'kinds' : [
\ 'o:objects',
\ 'f:functions',
\ 'a:array',
\ 's:string',
\ 'b:boolean',
\ 'n:number',
\ 'v:variable'
\ ]
\ }
"}}}
" gutentags{{{
let g:gutentags_ctags_tagfile = '.tags'
let g:gutentags_ctags_exclude = ['package.json', 'Session.vim', 'package-lock.json', 'TODO.txt']
"}}}
" colorV{{{
let g:colorv_no_global_map = 1
let g:colorv_win_pos = 'top'
let g:colorv_preview_area = 0
nnoremap cv :ColorV
nnoremap ce :ColorVEdit
nnoremap cc :call ToggleColorPreview()
nnoremap ci :ColorVInsert
nnoremap cp :ColorVPicker
function! ToggleColorPreview() abort
  if !exists('w:colorv_is_previewing')
    let w:colorv_is_previewing = 0
  endif
  if w:colorv_is_previewing == 0
    execute 'ColorVPreview'
    let w:colorv_is_previewing = 1
  else
    execute 'ColorVClear'
    let w:colorv_is_previewing = 0
  endif
endfunction
"}}}
" vim-instant-markdown{{{
" this doesn't work - issue is open in guthub
let g:instant_markdown_open_to_the_world = 1
"}}}
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #functions {{{
function! DoInsertEnter() "{{{
  " call SetColor('LineNr', '#262626', '', '#cccccc', '', '')
  " call SetColor('CursorLineNr', '#bcbcbc', '', '#999999', '', 'bold')
endfunction
"}}}
function! DoInsertLeave() "{{{
  " call SetColor('LineNr', '#3a3a3a', '', '#999999', '', '')
  " call SetColor('CursorLineNr', '#767676', '', '#777777', '', 'bold')
endfunction
"}}}
function! SetColor(name, fg, bg, fg_l, bg_l, style) abort"{{{
  if &background ==? 'dark'
    if a:fg ==? 'normal'
      let l:guifg = ' guifg=' . g:d_normal_fg
      let l:ctermfg = 'ctermfg=black'
      " let l:termfg = 'termfg=black'
    elseif a:fg ==? 'none'
      let l:guifg = ' guifg=' . g:d_normal_bg
      let l:ctermfg = ' ctermfg=white'
      " let l:termfg = ' termfg=white'
    elseif a:fg ==? ''
      let l:guifg = ''
      let l:ctermfg = ''
      " let l:termfg = ''
    else
      let l:guifg = ' guifg=' . a:fg
      let l:ctermfg = ' ctermfg=black'
      " let l:termfg = ' termfg=black'
    endif
    if a:bg ==? 'none'
      let l:guibg = ' guibg=NONE'
      let l:ctermbg = ' ctermbg=none'
      " let l:termbg = ' termbg=none'
    elseif a:bg ==? ''
      let l:guibg = ''
      let l:ctermbg = ''
      " let l:termbg = ''
    else
      let l:guibg = ' guibg=' . a:bg
      let l:ctermbg = ' ctermbg=black'
    endif
  else " light background
    if a:fg_l ==? 'normal'
      let l:guifg = ' guifg=' . g:l_normal_fg
      let l:ctermfg = ' ctermfg=black'
      " let l:termfg = ' termfg=black'
    elseif a:fg_l ==? 'none'
      let l:guifg = ' guifg=' . g:l_normal_bg
      let l:ctermfg = ' ctermfg=white'
      " let l:termfg = ' termfg=white'
    elseif a:fg_l ==? ''
      let l:guifg = ''
      let l:ctermfg = ''
      let l:termfg = ''
    else
      let l:guifg = ' guifg=' . a:fg_l
      let l:ctermfg = ' ctermfg=black'
      " let l:termfg = ' termfg=black'
    endif
    if a:bg_l ==? 'none'
      let l:guibg = ' guibg=NONE'
      let l:ctermbg = ' ctermbg=none'
      " let l:termbg = ' termbg=none'
    elseif a:bg_l ==? ''
      let l:guibg = ''
      let l:ctermbg = ''
      " let l:termbg = ''
    else
      let l:guibg = ' guibg=' . a:bg_l
      let l:ctermbg = ' ctermbg=white'
      " let l:termbg = ' termbg=white'
    endif
  endif
  if a:style ==? ''
    let l:style = ' term=none cterm=none gui=NONE'
  else
    let l:style = ' term=' . a:style . ' cterm=' . a:style . ' gui=' . a:style
  endif
  let l:histring = 'hi! ' . a:name . l:guifg . l:guibg . l:style
  let l:histring .= l:ctermfg . l:ctermbg
  " let l:histring .= l:termfg . l:termbg
  execute 'hi clear ' . a:name
  execute l:histring
endfunction"}}}
function! GetStatusFrag(condition, colorname, conditionprefix, text) abort "{{{
" TODO better name
  let l:frag='%#' . a:colorname . '#'
  let l:frag.=a:conditionprefix
  let l:frag.='%{(' . a:condition . ")?'" . a:text . "':''}"
  return l:frag
endfunction"}}}
function! MyFoldText() "{{{
  if !exists('g:foldtext_column')
    let g:foldtext_column = 80 " column to right align foldtext with
  endif
  if !exists('b:foldtext_column')
    let b:foldtext_column = g:foldtext_column " column to right align foldtext with
  endif
  if !exists('g:foldtext_maxcolumn')
    let g:foldtext_maxcolumn = 120
  endif
  let l:linecount = v:foldend - v:foldstart
  " don't display foldmarker braces
  let l:line = substitute(getline(v:foldstart), '\{\{\{', '', '')
  " don't display vim comment quotation marks
  let l:line = substitute(l:line, "\^\"\\s\\?", '', '')
  let l:postfix = l:linecount . ' ' . substitute(v:folddashes, '-', '•', 'g')
  while strchars(l:postfix) < 7
    let l:postfix = ' ' . l:postfix
  endwhile
  let l:postfix = '  ↓ ' . l:postfix
  let l:len_line = len(l:line)
  let l:len_postfix = strchars(l:postfix)
  if l:len_line + l:len_postfix <= b:foldtext_column
    let l:padding = '                                                                                                                                                                        '[l:len_line + l:len_postfix + 0:b:foldtext_column - 1]
    let l:foldtext = l:line . l:padding . l:postfix
  else
    let l:sniptext = ' ⋯'
    let l:foldtext = l:line[:b:foldtext_column - 1 - strchars(l:sniptext) - l:len_postfix] . l:sniptext . l:postfix
  endif
  return l:foldtext
endfunction"}}}
function! IndentFoldTextColumn(amount) abort "{{{
  if !exists('g:foldtext_column')
    " column to right align foldtext with
    let g:foldtext_column = 80
  endif
  if !exists('b:foldtext_column')
    " column to right align foldtext with
    let b:foldtext_column = g:foldtext_column
  endif
  if a:amount == 0
    let b:foldtext_column = g:foldtext_column
    return
  endif
  let l:newcolumn = b:foldtext_column + a:amount
  if l:newcolumn < 20
    let l:newcolumn = 20
  elseif l:newcolumn > g:foldtext_maxcolumn
    let l:newcolumn = g:foldtext_maxcolumn
  endif
  let b:foldtext_column = l:newcolumn
endfunction
nnoremap z, :call IndentFoldTextColumn(-5 * (v:count == 0 ? 1 : v:count))
nnoremap z. :call IndentFoldTextColumn(5 * (v:count == 0 ? 1 : v:count))
nnoremap z= :call IndentFoldTextColumn(0)
"}}}
function! SyntaxItem() abort "{{{
" get name of syntax item
  return synIDattr(synID(line('.'),col('.'),1),'name') . ' -> ' . synIDattr(synIDtrans(synID(line('.'),col('.'),1)), 'name' )
endfunction
nnoremap pp :echom SyntaxItem()
"}}}
function! s:Get_env() abort "{{{
" devdocs DD
" https://gist.github.com/romainl/8d3b73428b4366f75a19be2dad2f0987#file-devdocs-vim
    if has('win64') || has('win32') || has('win16')
        return 'WINDOWS'
    else
        return toupper(substitute(system('uname'), '\n', '', ''))
    endif
endfunction
" What command to use on what system
let s:cmds = {'DARWIN': 'open', 'LINUX': 'qutebrowser', 'WINDOWS': 'start'}
" Build the URL stub
let s:stub = s:cmds[Get_env()] . " 'http://devdocs.io/?q="
command! -nargs=* DD silent! call system(len(split(, ' ')) == 0 ?
            \ s:stub . &ft . ' ' . expand('') . "'" : len(split(, ' ')) == 1 ?
            \ s:stub . &ft . ' ' .  . "'" : s:stub .  . "'")
"}}}
if !exists('*RangerExplorer') "{{{
" use ranger as file manager
  function RangerExplorer() abort
    exec 'silent !ranger --choosefile=/tmp/vim_ranger_current_file ' . expand('%:p:h')
    if filereadable('/tmp/vim_ranger_current_file')
      exec 'edit ' . system('cat /tmp/vim_ranger_current_file')
      call system('rm /tmp/vim_ranger_current_file')
    endif
    redraw!
  endfun
map ra :call RangerExplorer()
endif
"}}}
function! SetColorColumn() abort"{{{
  if &buftype == ''
    setlocal colorcolumn=80,120
  endif
endfunction
"}}}
function! GetLinterStatus(key) abort "{{{
  let l:statuscount = 0
  if exists('b:ale_linted')
    let l:linter = ale#statusline#Count(bufnr(''))
  else
    let l:linter = GetDiagnosticCountsFromSigns(bufnr(''))
  endif
  if has_key(l:linter, a:key)
    let l:statuscount = l:linter[a:key]
  endif
  " return l:statuscount
  return 3
endfunction
"}}}
function! s:RunShellCommand(cmdline) abort"{{{
" Shell command
" http://vim.wikia.com/wiki/VimTip1599
  let l:expanded_cmdline = a:cmdline 
  for l:part in split(a:cmdline, ' ')
     if l:part[0] =~ '\v[%#<]'
        let l:expanded_part = fnameescape(expand(l:part))
        let l:expanded_cmdline = substitute(l:expanded_cmdline, l:part, l:expanded_part, '')
     endif
  endfor
  if g:shell_scratch_buffer_nr > -1
    let l:win_nr = bufwinnr(g:shell_scratch_buffer_nr)
    if l:win_nr < 0
      execute 'bdelete' g:shell_scratch_buffer_nr
      top new
      let g:shell_scratch_buffer_nr = bufnr('%')
    else
      execute l:win_nr. ' wincmd w'
      setlocal modifiable
      %delete _
    endif
  else
    top new
    let g:shell_scratch_buffer_nr = bufnr('%')
  endif
  setlocal buftype=nofile bufhidden=wipe nobuflisted noswapfile nowrap
  nnoremap  q :bdelete 
  augroup ResetShellBufferNr
    autocmd! * 
    autocmd BufUnload  let g:shell_scratch_buffer_nr = -1
  augroup END
  " call setline(1, 'You entered:    ' . a:cmdline)
  " call setline(2, 'Expanded Form:  ' .l:expanded_cmdline)
  " call setline(3,substitute(getline(2),'.','=','g'))
  execute '$read !'. l:expanded_cmdline
  1
  setlocal nomodifiable
  if !exists('b:shell_line_count')
    let b:shell_line_count = line('$')
    if b:shell_line_count > 25
      let b:shell_line_count = 20
    endif
    execute 'resize' b:shell_line_count + 1
  endif
  wincmd p
endfunction
command! -complete=shellcmd -nargs=+ Shell call s:RunShellCommand()
let g:shell_scratch_buffer_nr = -1
"}}}
function! GetDiagnosticCountsFromSigns(buffer) abort "{{{
    let l:error = 0
    let l:warn = 0
    let l:info = 0
    let l:hint = 0
    redir => l:result
    silent exec 'sign place buffer=' . a:buffer
    redir end
    let l:lines = split(l:result, '\n')
    for l:line in l:lines
        if l:line =~? 'Error'
            let l:error += 1
        endif
        if l:line =~? 'Warning'
            let l:warn += 1
        endif
        if l:line =~? 'Info'
            let l:info += 1
        endif
        if l:line =~? 'Hint'
            let l:hint += 1
        endif
    endfor
    return {'error': l:error, 'warning': l:warn, 'info': l:info, 'hint': l:hint}
endfunction
"}}}
function! SaveAndExecute(ex_command) abort "{{{
" https://stackoverflow.com/a/40195855
" ex_command: command to run to execute file
    " SOURCE [reusable window]: https://github.com/fatih/vim-go/blob/master/autoload/go/ui.vim
    " save and reload current file
    silent execute 'update | edit'
    " get file path of current file
    let s:current_buffer_file_path = expand('%')
    let s:output_buffer_name = 'Output'
    let s:output_buffer_filetype = 'output'
    " reuse existing buffer window if it exists otherwise create a new one
    if !exists('c:buf_nr') || !bufexists(s:buf_nr) || bufwinnr(s:buf_nr) == -1
        silent execute 'top new ' . s:output_buffer_name
        let s:buf_nr = bufnr('%')
    elseif bufwinnr(s:buf_nr) != bufwinnr('%')
        silent execute bufwinnr(s:buf_nr) . 'wincmd w'
    endif
    silent execute 'setlocal filetype=' . s:output_buffer_filetype
    setlocal bufhidden=delete
    setlocal buftype=nofile
    setlocal noswapfile
    setlocal nobuflisted
    setlocal winfixheight
    setlocal cursorline " make it easy to distinguish
    setlocal nonumber
    setlocal norelativenumber
    setlocal showbreak=""
    nnoremap   q :bdelete!'.zz
    " clear the buffer
    setlocal noreadonly
    " setlocal modifiable
    %delete _
    " add the console output
    silent execute '.!'. a:ex_command . ' ' . shellescape(s:current_buffer_file_path, 1)
    " resize window to content length
    " Note: This is annoying because if you print a lot of lines then your code buffer is forced to a height of one line every time you run this function.
    "       However without this line the buffer starts off as a default size and if you resize the buffer then it keeps that custom size after repeated runs of this function.
    "       But if you close the output buffer then it returns to using the default size when its recreated
    "execute 'resize' . line('$')
    " make the buffer non modifiable
    setlocal readonly
    " setlocal nomodifiable
endfunction
"}}}
function! JsIncludeExpr(file)"{{{
  " substitute(substitute(v:fname,'^[\\~@]\/','./',''),'^[\\~@]','./node_modules/','')
  echom v:fname
  return substitute(substitute(a:file,'^[\\~@]\/','./',''),'^[\\~@]','./node_modules/','')
endfunction"}}}
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #settings {{{
scriptencoding utf-8
set ttyfast
if &term ==? 'xterm-256color'
  set termguicolors
endif
syntax on
set background=light
" set fillchars=stl:\ ,stlnc:\ ,vert:│
set fillchars=stl:\ ,stlnc:\ ,vert:┃
colorscheme monotonous2
set guioptions-=mTrLb
set guioptions+=c
set updatetime=100
set timeoutlen=500
set backupdir=~/.vimtmp
set directory=~/.vimtmp
set tags+=./.tags,.tags;/home/ray/
" persisitent undo file
set undodir=/home/ray/.vim/undodir
set undofile
set clipboard=unnamedplus
set viewoptions-=options
set ignorecase
set smartcase
set wildmenu
set wildmode=longest:full,full
set wildignore+=/node_modules/,dist/
set hidden
set number relativenumber
set hlsearch
" set previewheight=24
" set splitbelow
set completeopt=longest,menuone
set completeopt-=preview
set nospell
set spelllang=en_gb
set dictionary+=/usr/share/dict/brit-a-z.txt,/usr/share/dict/britcaps.txt
set thesaurus+=/usr/share/dict/mthesaur.txt
" function! GetGitRoot() abort
"   let gitroot=system("git rev-parse --show-toplevel")
"   if gitroot=~?"^fatal"
"     let gitstring = system("echo ${PWD/#$HOME/'~'}") . "/"
"     let gitstring .= expand("%t")
"   else
"     let gitstring = system("echo ${PWD/#$HOME/'~'}") . "/"
"     let gitstring .= expand("%t")
"     let gitstring .= " [ " . system("git branch | grep '*' | cut -d ' ' -f2")
"     let gitstring .= " ] ( " .  system('basename "' . gitroot . '"') . " )"
"   endif
"   return gitstring
" endfunction
" let &titlestring="%{GetGitRoot()}"
" set title
set tabstop=8
set softtabstop=2
set shiftwidth=2
set shiftround
set expandtab
set autoindent
set textwidth=180
set formatoptions=cq
set wrapmargin=0
set cursorline
set foldcolumn=2
set signcolumn=yes
set colorcolumn=80,120
set iskeyword+=-
set scrolloff=10
set showcmd
set incsearch
set laststatus=2
set shortmess=aoOT
set cmdheight=3
set foldmethod=manual
set showmode
set autoindent
set breakindent
set showbreak=\ \ ↳\ 
set mouse=a
set listchars=eol:¬,tab:>-,trail:~,extends:>,precedes:<,space:·
set foldtext=MyFoldText()
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #mappings {{{
let g:mapleader = ' '
" miscallaneous {{{
nnoremap  : :setlocal norelativenumber:
nnoremap  rc :so $MYVIMRC
nnoremap  nn :set invrelativenumber
nnoremap  nh (&hls && v:hlsearch ? ':nohls' : ':set hls')."\n"
nnoremap  sl :set invlist
nnoremap aa A
nnoremap a2 A
nnoremap ab AB
nnoremap co :!clear;
" Focus on current fold, close the rest
nnoremap  zz zMzvzt
" replace current word with last yanked/deleted text
nnoremap  rr "_diwP
" replace current word with last yanked text
nnoremap  ry diw"0P
" quick grep of visual selection
vnoremap gr y:grep! -R " .
" open quickfix window of TODOs
nnoremap td :grep! -R '// *TODO' .:botright cwindow:echo len(getqflist()) 'TODOs'
" devdocs mapping
nnoremap dd :DD
" write and delete current buffer
nnoremap bx :w\|bd
"}}}
" git mappings {{{
nnoremap gs :Gstatus
nnoremap gd :Gdiff
nnoremap gD :!clear; echo 'git diff'; git diff
nnoremap ga :!clear; git add %; git status
nnoremap gA :!clear; git add .; git status
nnoremap gc :Gcommit
nnoremap gg :!clear; git add %; git commit -m ''
nnoremap gp :!clear; echo 'git push'; git push
" nnoremap gp :terminal echo ':git push' & git push
" nnoremap gp :Gpush
" nnoremap gp :pedit | read ! echo 'git push'; git push
nnoremap gl :Glog
"}}}
" netrw {{{
nnoremap ex :Ex
nnoremap ee :e .
nnoremap eq :Rex
"}}}
" better window/tab/buffer navigation/management {{{
nnoremap j :resize -5
nnoremap k :resize +5
nnoremap l :vertical resize +5
nnoremap h :vertical resize -5
"}}}
"location list and quickfix mappings {{{
nnoremap lo :botright lwindow
nnoremap       :lprevzv
nnoremap     :lnextzv
nnoremap lc :lclose
nnoremap lh :lhistory
nnoremap lp :lolder
nnoremap ln :lnewer
nnoremap qo :botright cwindow
nnoremap     :cprevzv
nnoremap    :cnextzv
nnoremap qc :cclose
nnoremap qh :chistory
nnoremap qp :colder
nnoremap qn :cnewer
"}}}
" insert mode mappings {{{
inoremap jkrg     :reg
inoremap :w   :w
inoremap [:w   :w
inoremap {:w   :w
"}}}
" brace/quotes completion {{{
inoremap {{       {}
inoremap {    {}O
inoremap {;       {};O
inoremap {,       {},O
inoremap {{{      {{}}
inoremap ((       ()
inoremap (    ()O
inoremap (;       ();
inoremap (,       (),
inoremap [[       []
inoremap [    []O
inoremap ""       ""
inoremap """      ""
inoremap ";       "";
inoremap ''       ''
inoremap '''      ''
inoremap ';       '';
"}}}
"}}}
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #abbreviations {{{
iabbrev adn and
iabbrev waht what
iabbrev tehn then
iabbrev functin function
iabbrev positin position
" css
iabbrev pabs; position: absolute;
iabbrev pfix; position: fixed;
iabbrev prel; position: relative;
iabbrev fdr; flex-direction: row;
iabbrev fdc; flex-direction: column;
iabbrev jcc; justify-content: center;
iabbrev aic; align-items: center;
iabbrev t0; top: 0;
iabbrev b0; bottom: 0;
iabbrev l0; left: 0;
iabbrev r0; right: 0;
iabbrev ct'' content-type: '';
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #autocommands {{{
" persistent folds {{{
augroup AutoSaveFolds
  autocmd!
  " autocmd BufWinLeave ?* mkview
  autocmd BufWrite ?* mkview
  " autocmd BufWinEnter ?* silent loadview
  autocmd BufRead ?* silent loadview
augroup END
"}}}
" fix higlight problems such as vertical-align etc {{{
augroup VimCSS3Syntax
  autocmd!
  autocmd FileType css setlocal iskeyword+=-
augroup END
"}}}
" Show trailing whitepace and spaces before a tab: {{{
augroup whitespaceerrors
  autocmd!
  autocmd Syntax * syn match ExtraWhitespace /\s\+$\| \+\ze\t/ containedin=ALL 
augroup END 
"}}}
" automatically reload if color scheme file written {{{
" augroup coloreload
"   autocmd!
" 	autocmd BufWritePost customred256.vim so $MYVIMRC
" augroup end
"
"}}}
" line numbering {{{
augroup linenumbering
  autocmd!
  autocmd InsertEnter * :set norelativenumber
  autocmd InsertLeave * :set number relativenumber
  autocmd WinEnter * :set number relativenumber
  autocmd WinLeave * set norelativenumber
  autocmd CmdlineLeave * :set number relativenumber
  " see 'mapping nnoremap :' for setting norelative number.
augroup END
"}}}
" WinEnter, WinLeave {{{
augroup windowenteringleaving
  autocmd!
  autocmd WinEnter * call SetColorColumn()
  autocmd WinEnter * set cursorline
  autocmd WinLeave * setlocal colorcolumn=0
  autocmd WinLeave * set nocursorline
augroup END
"}}}
" InsertEnter, InsertLeave {{{
augroup insertenterleave
  au!
  au InsertEnter * call DoInsertEnter()
  au InsertLeave * call DoInsertLeave()
augroup END
" Automatically reload .vimrc if chanaged {{{
augroup myvimrc
  autocmd!
  autocmd BufWritePost .vimrc,_vimrc,vimrc,.gvimrc,_gvimrc,gvimrc so $MYVIMRC | if has('gui_running') | so $MYGVIMRC | endif
augroup END
"}}}
" Open qfix after grepping {{{
augroup qfixopen
  autocmd!
  autocmd QuickFixCmdPost *grep* botright cwindow
augroup END
"}}}
" }}}
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #statusline {{{
" set statusline=%!GetStatus(1)
function! GetStatus(isactive) abort "{{{
  " let l:linter = ale#statusline#Count(bufnr(''))
  let l:divider = '- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >'
  let l:separator = '%#StatusLineSeparator# '
  let l:normal = '%#StatusLineNormal#'
  let l:active = '%#StatusLineActive#'
  let l:statusline = l:separator
  "buffer number {{{
  if a:isactive
    let l:statusline .= '%#StatusLineBufferNrActive#'
  else
    let l:statusline .= '%#StatusLineBufferNr#'
  endif
  let l:statusline .= ' %n ' . l:separator
"}}}
  " file percentage {{{
  if a:isactive
    let l:statusline .= '%#StatusLinePercentActive#'
    let l:statusline .= ' %P %#StatusLineDirActive#of %#StatusLineFileActive#%L '
  else
    let l:statusline .= '%#StatusLinePercent#'
    let l:statusline .= ' %P %#StatusLineDir#of %#StatusLinePercent#%L '
  endif"}}}
  " non-empty buftype (help, quickfix, etc) {{{
  if a:isactive 
    let l:statusline .= l:active . "%{&buftype == '' ? '' : ' '}%q%h%w%#StatusLineActiveNoText#"
  else
    let l:statusline .= l:normal . "%{&buftype == '' ? '' : ' '}%q%h%w%#StatusLineNormalNoText#"
  endif
  let l:statusline .= "%{&buftype == '' ? '' : '                                                                                                                                                                                                                                                '}%s"
"}}}
  " right/left divider {{{
  let l:statusline.=l:separator 
  " modified version 
  let l:color = 'StatusLineDivMod' . (a:isactive?'Active':'')
  let l:statusline .= GetStatusFrag("&modified && mode() != 'i'", l:color, '%<', l:divider)
   
  " unmodified version
  let l:color = 'StatusLineDiv' . (a:isactive?'Active':'')
  let l:statusline .= GetStatusFrag("!&modified && mode() != 'i'", l:color, '%<', l:divider)
   
  " input mode version
  if a:isactive
    let l:statusline .= GetStatusFrag("mode() == 'i'", 'StatusLineDivInput', '%<', l:divider)
  endif
  let l:statusline.= l:separator . '%*%='
 "}}}
  " file info{{{
   if a:isactive == 1 
     " let l:statusline.=l:active
     let l:statusline.='%#StatusLineFileActive#'
     " let l:statusline.=" %{strlen(&ft)?&ft:'none'} "
     " let l:statusline.=l:separator . l:active
     let l:statusline.=' %{strlen(&fenc)?&fenc:&enc} '
     " let l:statusline.=l:separator . l:active
     let l:statusline.=' %{&fileformat} '
     let l:statusline.=l:separator . l:active
     " let l:statusline.=' %{&spelllang} '
     " let l:statusline.=l:separator
   endif
"}}}
  " path/filename.extension {{{
  if a:isactive 
    let l:statusline.='%#StatusLineDirActive# '
    let l:statusline.="%{expand('%:p:h:t')}/"
    let l:statusline.='%#StatusLineFileActive#'
    let l:statusline.="%{expand('%:t:r')}"
    let l:statusline.='%#StatusLineDotActive#'
    let l:statusline.="%{strlen(expand('%:e'))?'.':''}"
    let l:statusline.='%#StatusLineExtActive#'
    let l:statusline.="%{strlen(expand('%:e'))?expand('%:e'):expand('%:e')} "
    let l:statusline .= '%#StatusLineWarningActive# %R '
  else
    let l:statusline.='%#StatusLineDir# '
    let l:statusline.="%{fnamemodify(expand('%:p:h'),':~')}/"
    let l:statusline.='%#StatusLineFile#'
    let l:statusline.="%{expand('%:t:r')}"
    let l:statusline.='%#StatusLineDot#'
    let l:statusline.="%{strlen(expand('%:e'))?'.':''}"
    let l:statusline.='%#StatusLineExt#'
    let l:statusline.="%{strlen(expand('%:e'))?expand('%:e'):expand('%:e')} "
    let l:statusline .= '%#StatusLineWarning# %R '
  endif
  let l:statusline.='%*'
  "}}}
  " linter status {{{
  if a:isactive 
    " errors
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('error') == 0?'-':'')}"
    let l:statusline .= "%#LinterError#%{(GetLinterStatus('error') == 0?'':GetLinterStatus('error'))}"
    " style errors
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('style_error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorStyle#%{(GetLinterStatus('style_error') == 0?'':GetLinterStatus('style_error'))} "
    " warnings
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarning#%{(GetLinterStatus('warning') == 0?'':GetLinterStatus('warning'))}"
    " style warnings
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('style_warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningStyle#%{(GetLinterStatus('style_warning') == 0?'':GetLinterStatus('style_warning'))} "
    " info
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('info') == 0?'-':'')}"
    let l:statusline .= "%#LinterInfo#%{(GetLinterStatus('info') == 0?'':GetLinterStatus('info'))}"
  else
    " errors
    let l:statusline .= "%#LinterDash#%{(GetLinterStatus('error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorInactive#%{(GetLinterStatus('error') == 0?'':GetLinterStatus('error'))}"
    " style errors
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%{(GetLinterStatus('style_error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorStyleInactive#%{(GetLinterStatus('style_error') == 0?'':GetLinterStatus('style_error'))} "
    " warnings
    let l:statusline .= "%#LinterDash#%{(GetLinterStatus('warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningInactive#%{(GetLinterStatus('warning') == 0?'':GetLinterStatus('warning'))}"
    " style warnings
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%{(GetLinterStatus('style_warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningStyleInactive#%{(GetLinterStatus('style_warning') == 0?'':GetLinterStatus('style_warning'))} "
    " info
    let l:statusline .= "%#LinterDash#%{GetLinterStatus('info') == 0 ? '-' : GetLinterStatus('info')}"
  endif
"}}}
  let l:statusline .= ' ' . l:separator
  return l:statusline
endfunction 
"}}}
" highlight groups {{{
hi TESTXX guifg=#ffffff guibg=#ff0000
hi def link StatusLineSeparator Ignore
hi def link StatusLineNormal StatusLineNC
hi def link StatusLineActive StatusLine
hi def link StatusLineNormalNoText TabLineFill
hi def link StatusLineActiveNoText TabLineFill
hi def link StatusLineBufferNr StatusLineNormal
hi def link StatusLineBufferNrActive StatusLineActive
hi DivActive ctermbg=darkgray ctermfg=darkgray guibg=#666666 guifg=#666666
hi DivMod ctermbg=darkred ctermfg=darkred guibg=#660000 guifg=#660000
hi DivModActive ctermbg=red ctermfg=red guibg=#aa0000 guifg=#aa0000
hi DivInput ctermbg=darkblue ctermfg=darkblue guibg=#000022 guifg=#000022
hi def link StatusLineDiv TabLineFill
hi def link StatusLineDivActive DivActive
hi def link StatusLineDivMod DivMod
hi def link StatusLineDivModActive DivModActive
hi def link StatusLineDivInput DivInput
" hi def link StatusLineFile
" hi def link StatusLineFileActive
" hi def link StatusLineDir
" hi def link StatusLineDirActive
" hi def link StatusLineDot
" hi def link StatusLineDotActive
" hi def link StatusLineExt
" hi def link StatusLineExtActive
" hi def link StatusLineWarning
" hi def link StatusLineWarningActive
" hi def link LinterDash
" hi def link LinterDashActive
" hi def link LinterError
" hi def link LinterErrorInactive
" hi def link LinterErrorStyle
" hi def link LinterErrorStyleInactive
" hi def link LinterWarning
" hi def link LinterWarningInactive
" hi def link LinterWarningStyle
" hi def link LinterWarningStyleInactive
" hi def link LinterInfo
" hi def link Linter
"}}}
augroup status "{{{
  autocmd!
  autocmd WinNew,WinEnter * setlocal statusline=%!GetStatus(1)
  autocmd WinLeave * setlocal statusline=%!GetStatus(0)
  " autocmd WinNew * setlocal statusline=%!GetStatus(1)
  " autocmd InsertChange * setlocal statusline=%!GetStatus(1)
augroup END
"}}}
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #tabline {{{
if exists('+showtabline')
  " Rename tabs to show tab number.
  " based on:
  " http://stackoverflow.com/questions/5927952/whats-implementation-of-vims-default-tabline-function
  function! MyTabLine() "{{{
    let l:customtabline = ''
    let l:currenttabnum = tabpagenr()
    let l:lasttabnumber = tabpagenr('$')
    let l:tabnumber = 1
    while l:tabnumber <= l:lasttabnumber
      let l:buflist = tabpagebuflist(l:tabnumber)
      let l:winnr = tabpagewinnr(l:tabnumber)
      if l:lasttabnumber > 1
        let l:customtabline .= '%' . l:tabnumber . 'T'
        let l:customtabline .= (l:tabnumber == l:currenttabnum ? '%1*' : '%2*')
        let l:customtabline .= (l:tabnumber == l:currenttabnum ? '%#TabLineNumSel#' : '%#TabLineNum#')
        let l:customtabline .= ' ' . l:tabnumber . ' '
        let l:customtabline .= (l:tabnumber == l:currenttabnum ? '%#TabLineItemSel#' : '%#TabLineItem#')
      endif
      let l:bufnr = l:buflist[l:winnr - 1]
      let l:file = bufname(l:bufnr)
      let l:buftype = getbufvar(l:bufnr, '&buftype')
      if l:buftype ==# 'help'
        let l:file = 'help:' . fnamemodify(l:file, ':t:r')
      elseif l:buftype ==# 'quickfix'
        let l:file = 'quickfix'
      elseif l:buftype ==# 'nofile'
        if l:file =~# '\/.'
          let l:file = substitute(l:file, '.*\/\ze.', '', '')
        endif
      else
        let l:file = fnamemodify(l:file, ':p:t')
      endif
      if l:file ==# ''
        let l:file = "''"
      endif
      let l:customtabline .= l:file . '  '
      let l:tabnumber = l:tabnumber + 1
    endwhile
    let l:customtabline .= '%T%#TabLineFill#%='
    let l:customtabline .= '%#TabLineItemSel# %{fugitive#statusline()}%   '
    let l:customtabline .= "%#TabLineItemSel# %{ObsessionStatus(fnamemodify(v:this_session,':t'),'---')} %*"
    return l:customtabline
  endfunction
"}}}
  set showtabline=2
  set tabline=%!MyTabLine()
  hi def link TabLineItem TabLine
  hi def link TabLineItemSel TabLineSel
  hi def link TabLineNum TabLine
  hi def link TabLineNumSel TabLineSel
endif " exists("+showtabline")
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" #pymode {{{
let g:pymode = 1
let g:pymode_syntax = 1
let g:pymode_syntax_all = 1
let g:pymode_syntax_print_as_function = 1
let g:pymode_syntax_highlight_async_await = 1
let g:pymode_syntax_highlight_equal_operator = 1
let g:pymode_syntax_highlight_stars_operator = 1
let g:pymode_syntax_highlight_self = 1
let g:pymode_syntax_indent_errors = 0
let g:pymode_syntax_space_errors = 0
let g:pymode_syntax_string_formatting = 1
let g:pymode_syntax_string_format = 1
let g:pymode_syntax_string_templates = 1
let g:pymode_syntax_doctests = 1
let g:pymode_syntax_docstrings = 1
let g:pymode_syntax_builtin_objs = 1
let g:pymode_syntax_builtin_types = 1
let g:pymode_syntax_builtin_funcs = 1
let g:pymode_syntax_highlight_exceptions = 1
let g:pymode_syntax_slow_sync = 1
"}}}
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" vim: foldmethod=marker