vimrc

" Load all plugins now.
execute pathogen#infect()
" colorscheme solarized8_flat
"execute pathogen#helptags()
" from https://stackoverflow.com/questions/33380451/is-there-a-difference-between-syntax-on-and-syntax-enable-in-vimscript
filetype plugin indent on
if !exists("g:syntax_on")
    syntax enable
endif
" syntax on
" syntax enable
" set grepprg=grep\ -nH\ $*
set belloff=all

"Highlight search results
" set hlsearch
" By default make searching case insensitive
set ignorecase
" Make them case sensitive if the search involves a capital letter
set smartcase
" https://vi.stackexchange.com/questions/4141/how-to-indent-as-spaces-instead-of-tab
" tabstop:          Width of tab character
" softtabstop:      Fine tunes the amount of white space to be added
" shiftwidth        Determines the amount of whitespace to add in normal mode
" expandtab:        When on uses space instead of tabs
set tabstop     =4
set softtabstop =4
set shiftwidth  =4
set expandtab

"Nvim-R
let R_assign = 0
let r_indent_align_args = 0
let R_debug = 0
" Set vim-r-plugin to mimics ess :
let r_indent_ess_comments = 0
let r_indent_ess_compatible = 0

let R_app = "radian"
let R_cmd = "R"
let R_hl_term = 0
let R_args = []  " if you had set any
let R_bracketed_paste = 1

" vimtex
" Disable overfull/underfull \hbox and all package warnings
let g:vimtex_quickfix_latexlog = {
 			\ 'overfull' : 0,
 			\ 'underfull' : 0,
 			\ 'packages' : {
 			\   'default' : 0,
 			\ },
 			\}
let g:vimtex_quickfix_open_on_warning = 0
let g:vimtex_view_general_viewer
              \ = '/Applications/Skim.app/Contents/SharedSupport/displayline'
let g:vimtex_view_general_options = '-r @line @pdf @tex'
let g:tex_flavor = 'latex'

"airline
let g:airline_powerline_fonts = 1
set guifont=Meslo\ LG\ M\ DZ\ for\ Powerline

" EasyAlign
" Start interactive EasyAlign in visual mode (e.g. vipga)
xmap ga <Plug>(EasyAlign)
" Start interactive EasyAlign for a motion/text object (e.g. gaip)
nmap ga <Plug>(EasyAlign)

" https://coderwall.com/p/yiot4q/setup-vim-powerline-and-iterm2-on-mac-os-x
" set guifont=Source\ Code\ Pro\ for\ Powerline:h16
" let g:Powerline_symbols = 'fancy'
" set encoding=utf-8
" set t_Co=256
" set fillchars+=stl:\ ,stlnc:\
" set termencoding=utf-8
if has("gui_running")
	autocmd GUIEnter * set vb t_vb=
"    let s:uname = system("uname")
"    if s:uname == "Darwin\n"
"       set guifont=Source\ Code\ Pro\ for\ Powerline:h16
"    endif
endif
"
" Trying to stop some annoying highlighting of underscores
" autocmd *.Rmd,*.rmd set filetype=markdown
" syn match markdownIgnore "\$x_i\$"
" autocmd BufNewFile,BufRead,BufEnter *.Rmd,*.rmd :syn match markdownIgnore "\$.*_.*\$"
" for vim-markdown
" https://github.com/plasticboy/vim-markdown
let g:vim_markdown_math = 1

" coc stuff from https://github.com/neoclide/coc.nvim
" 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.
if has('patch8.1.1068')
  " Use `complete_info` if your (Neo)Vim version supports it.
  inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
else
  imap <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>

set rtp+=/usr/local/opt/fzf

" https://coderwall.com/p/lxajqq/vim-function-to-unminify-javascript
" Simple re-format for minified Javascript
command! UnMinify call UnMinify()
function! UnMinify()
    %s/{\ze[^\r\n]/{\r/g
    %s/){/) {/g
    %s/};\?\ze[^\r\n]/\0\r/g
    %s/;\ze[^\r\n]/;\r/g
    %s/[^\s]\zs[=&|]\+\ze[^\s]/ \0 /g
    normal ggVG=
endfunction