init.vim

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"  ▓▓▓▓▓▓▓▓▓▓
" ░▓ author ▓ ROGUE(X3)<rowanfeely.github.io>
" ░▓   code ▓ https://github.com/RowanFeely/dotfiles
" ░▓        ▓ http://rowanfeely.github.io
" ░▓▓▓▓▓▓▓▓▓▓
" ░░░░░░░░░░

set encoding=utf-8
" set t_Co=256color
source ~/.config/nvim/plugins.vim
set mouse=a
" ============================================================================ "
" ===                           EDITING OPTIONS                            === "
" ============================================================================ "

" let base16colorspace=256  " Access colors present in 256 colorspace
set shortmess+=I
" Remap leader key to ,
let g:mapleader=','
set nowrap
" no folding
set nofoldenable
set foldlevel=99
set foldminlines=99
set foldlevelstart=99

"+--- Search ---+
set ignorecase
set smartcase
set hlsearch
set incsearch

" Disable line numbers
set nonumber

" Don't show last command
set noshowcmd

" Yank and paste with the system clipboard
set clipboard=unnamed

" Hides buffers instead of closing them
set hidden

" Set files as hidden from directories
set wildignore+=*/.git/*,*/.hg/*,*/.svn/*

" === TAB/Space settings === "
" Insert spaces when TAB is pressed.
set expandtab

" Change number of spaces that a <Tab> counts for during editing ops
set softtabstop=2

" Indentation amount for < and > commands.
set shiftwidth=2

" Automatically wrap left and right.
" " This allows to move the cursor to the previous/next line after reaching
" first/last character in the line using the arrow keys in normal-, insert-
" (<,>) and visual mode ([,]) or the h and l keys.
set wrap
set whichwrap+=<,>,h,l,[,]

" wrap lines that do not fit in window
" doesnt modify file only visual
set linebreak

" Not sure what this does exactly lol
set guicursor=a:ver25-Cursor/lCursor

" Don't highlight current cursor line
set cursorline

" Disable line/column number in status line
" Shows up in preview window when airline is disabled if not
set noruler

" Only one line for command line
set cmdheight=1

" === Completion Settings === "

" Don't give completion messages like 'match 1 of 2'
" or 'The only match'
set shortmess+=c

" ============================================================================ "
" ===                           PLUGIN SETUP                               === "
" ============================================================================ "

" Wrap in try/catch to avoid errors on initial install before plugin is available
try
" === Denite setup ==="
" Use ripgrep for searching current directory for files
" By default, ripgrep will respect rules in .gitignore
"   --files: Print each file that would be searched (but don't search)
"   --glob:  Include or exclues files for searching that match the given glob
"            (aka ignore .git files)
"
call denite#custom#var('file/rec', 'command', ['rg', '--files', '--glob', '!.git'])

" Use ripgrep in place of "grep"
call denite#custom#var('grep', 'command', ['rg'])

" Custom options for ripgrep
"   --vimgrep:  Show results with every match on it's own line
"   --hidden:   Search hidden directories and files
"   --heading:  Show the file name above clusters of matches from each file
"   --S:        Search case insensitively if the pattern is all lowercase
call denite#custom#var('grep', 'default_opts', ['--hidden', '--vimgrep', '--heading', '-S'])

" Recommended defaults for ripgrep via Denite docs
call denite#custom#var('grep', 'recursive_opts', [])
call denite#custom#var('grep', 'pattern_opt', ['--regexp'])
call denite#custom#var('grep', 'separator', ['--'])
call denite#custom#var('grep', 'final_opts', [])

" Remove date from buffer list
call denite#custom#var('buffer', 'date_format', '')

" Custom options for Denite
"   auto_resize             - Auto resize the Denite window height automatically.
"   prompt                  - Customize denite prompt
"   direction               - Specify Denite window direction as directly below current pane
"   winminheight            - Specify min height for Denite window
"   highlight_mode_insert   - Specify h1-CursorLine in insert mode
"   prompt_highlight        - Specify color of prompt
"   highlight_matched_char  - Matched characters highlight
"   highlight_matched_range - matched range highlight
let s:denite_options = {'default' : {
\ 'split': 'floating',
\ 'start_filter': 1,
\ 'auto_resize': 1,
\ 'source_names': 'short',
\ 'prompt': 'λ ',
\ 'statusline': 0,
\ 'highlight_matched_char': 'QuickFixLine',
\ 'highlight_matched_range': 'Visual',
\ 'highlight_window_background': 'Visual',
\ 'winrow': 1,
\ 'vertical_preview': 1
\ }}

" Loop through denite options and enable them
function! s:profile(opts) abort
  for l:fname in keys(a:opts)
    for l:dopt in keys(a:opts[l:fname])
      call denite#custom#option(l:fname, l:dopt, a:opts[l:fname][l:dopt])
    endfor
  endfor
endfunction

call s:profile(s:denite_options)
catch
  echo 'Denite not installed. It should work after running :PlugInstall'
endtry

" === Coc.nvim === "
" use <tab> for trigger completion and navigate to next complete item
function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~ '\s'
endfunction

inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()

"Close preview window when completion is done.
autocmd! CompleteDone * if pumvisible() == 0 | pclose | endif

" === NeoSnippet === "
" Map <C-k> as shortcut to activate snippet if available
imap <C-k> <Plug>(neosnippet_expand_or_jump)
smap <C-k> <Plug>(neosnippet_expand_or_jump)
xmap <C-k> <Plug>(neosnippet_expand_target)

" Load custom snippets from snippets folder
let g:neosnippet#snippets_directory='~/.config/nvim/snippets'

" Hide conceal markers
let g:neosnippet#enable_conceal_markers = 0

" === NERDTree === "
" Show hidden files/directories
let g:NERDTreeShowHidden = 1

" Remove bookmarks and help text from NERDTree
let g:NERDTreeMinimalUI = 1

" Open NERDtree on right hand side
let g:NERDTreeWinPos = "right"

" Custom icons for expandable/expanded directories
let g:NERDTreeDirArrowExpandable = '⬏'
let g:NERDTreeDirArrowCollapsible = '⬎'

" Hide certain files and directories from NERDTree
let g:NERDTreeIgnore = ['^\.DS_Store$', '^tags$', '\.git$[[dir]]', '\.idea$[[dir]]', '\.sass-cache$']

" Wrap in try/catch to avoid errors on initial install before plugin is available
try

" ==== Limelight for Vim ====
" Color name (:help cterm-colors) or ANSI code
let g:limelight_conceal_ctermfg = '8'
let g:limelight_conceal_ctermfg = 240

" Color name (:help gui-colors) or RGB color
let g:limelight_conceal_guifg = 'LightGray'
let g:limelight_conceal_guifg = '#3b4253'

" Default: 0.5
let g:limelight_default_coefficient = 0.25

" Number of preceding/following paragraphs to include (default: 0)
let g:limelight_paragraph_span = 4

" Beginning/end of paragraph
"   When there's no empty line between the paragraphs
"   and each paragraph starts with indentation
let g:limelight_bop = '^\s'
let g:limelight_eop = '\ze\n^\s'

" Highlighting priority (default: 10)
"   Set it to -1 not to overrule hlsearch
let g:limelight_priority = -1

" Goyo vim integration
autocmd! User GoyoEnter Limelight
autocmd! User GoyoLeave Limelight!

"==== Vim airline ==== "
" Enable extensions
let g:airline_extensions = ['branch', 'hunks', 'coc']

" Update section z to just have line number
let g:airline_section_z = airline#section#create(['linenr'])

" Do not draw separators for empty sections (only for the active window) >
let g:airline_skip_empty_sections = 1

" Smartly uniquify buffers names with similar filename, suppressing common parts of paths.
let g:airline#extensions#tabline#formatter = 'unique_tail'

" Custom setup that removes filetype/whitespace from default vim airline bar
let g:airline#extensions#default#layout = [['a', 'b', 'c'], ['x', 'z', 'warning', 'error']]

let airline#extensions#coc#stl_format_err = '%E{[%e(#%fe)]}'

let airline#extensions#coc#stl_format_warn = '%W{[%w(#%fw)]}'

" Configure error/warning section to use coc.nvim
let g:airline_section_error = '%{airline#util#wrap(airline#extensions#coc#get_error(),0)}'
let g:airline_section_warning = '%{airline#util#wrap(airline#extensions#coc#get_warning(),0)}'

" Hide the Nerdtree status line to avoid clutter
let g:NERDTreeStatusline = ''

" Disable vim-airline in preview mode
let g:airline_exclude_preview = 1

" Enable powerline fonts
let g:airline_powerline_fonts = 1

" Enable caching of syntax highlighting groups
let g:airline_highlighting_cache = 1

" Define custom airline symbols
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

" Don't show git changes to current file in airline
let g:airline#extensions#hunks#enabled=0

catch
  echo 'Airline not installed. It should work after running :PlugInstall'
endtry

" === echodoc === "
" Enable echodoc on startup
let g:echodoc#enable_at_startup = 1

" === vim-javascript === "
" Enable syntax highlighting for JSDoc
let g:javascript_plugin_jsdoc = 1

" === vim-jsx === "
" Highlight jsx syntax even in non .jsx files
let g:jsx_ext_required = 0

" === javascript-libraries-syntax === "
let g:used_javascript_libs = 'underscore,requirejs,chai,jquery'

" === Signify === "
let g:signify_sign_delete = '-'

" ============================================================================ "
" ===                                UI                                    === "
" ============================================================================ "

" Enable true color support
set termguicolors

syntax enable
set synmaxcol=512
filetype plugin on
" Editor theme
 colorscheme sourcerer
" Enable nord theme with italics
"let g:nord_italic = 1
"let g:nord_italic_comments = 1
"let g:nord_underline = 1
"let g:nord_cursor_line_number_background = 0
"let g:nord_uniform_status_lines = 1
"let g:NVIM_TUI_ENABLE_TRUE_COLOR=1
" Vim airline theme
"let g:airline_theme='nord'

" Add custom highlights in method that is executed every time a colorscheme is sourced
" See https://gist.github.com/romainl/379904f91fa40533175dfaec4c833f2f for details
" function! MyHighlights() abort
  " Hightlight trailing whitespace
"  highlight Trail guibg=#bf616a
"  call matchadd('Trail', '\s\+$', 100)
"endfunction

"augroup MyColors
"  autocmd!
"  autocmd ColorScheme * call MyHighlights()
"augroup END

" Change vertical split character to be a space (essentially hide it)
set fillchars+=vert:.

" Set preview window to appear at bottom
set splitbelow

" Don't dispay mode in command line (airilne already shows it)
set noshowmode

" Set floating window to be slightly transparent
set winbl=3

" coc.nvim color changes
hi! link CocErrorSign WarningMsg
hi! link CocWarningSign Number
hi! link CocInfoSign Type

" Make background transparent for many things
hi! Normal ctermbg=NONE guibg=NONE
hi! NonText ctermbg=NONE guibg=NONE
hi! LineNr ctermfg=NONE guibg=NONE
hi! SignColumn ctermfg=NONE guibg=NONE
hi! StatusLine guifg=#2E3440 guibg=#3B4253
hi! StatusLineNC guifg=#2E3440 guibg=#2E3440

" Try to hide vertical spit and end of buffer symbol
hi! VertSplit gui=NONE guifg=#2E3440 guibg=#2E3440
hi! EndOfBuffer ctermbg=NONE ctermfg=NONE guibg=#2E3440 guifg=#2E3440

" Customize NERDTree directory
 hi! NERDTreeCWD guifg=#A3BE8C

" Make background color transparent for git changes
hi! SignifySignAdd guibg=NONE
hi! SignifySignDelete guibg=NONE
hi! SignifySignChange guibg=NONE

" Highlight git change signs
 hi! SignifySignAdd guifg=#A3BE8C
 hi! SignifySignDelete guifg=#BF616A
 hi! SignifySignChange guifg=#B48EAD

" Call method on window enter
augroup WindowManagement
  autocmd!
  autocmd WinEnter * call Handle_Win_Enter()
augroup END
let g:gruvbox_termcolors=16
" Change highlight group of preview window when open
function! Handle_Win_Enter()
  if &previewwindow
    setlocal winhighlight=Normal:MarkdownError
  endif
endfunction

" ============================================================================ "
" ===                             KEY MAPPINGS                             === "
" ============================================================================ "

"map CTRL-M to MRU
nmap <C-m> :MRU<CR>

" === Denite shorcuts === "
"   ;         - Browser currently open buffers
"   <leader>t - Browse list of files in current directory
"   <leader>g - Search current directory for occurences of given term and close window if no results
"   <leader>j - Search current directory for occurences of word under cursor
nmap ; :Denite buffer<CR>
nmap <leader>t :DeniteProjectDir file/rec<CR>
nnoremap <leader>g :<C-u>Denite grep:. -no-empty<CR>
nnoremap <leader>j :<C-u>DeniteCursorWord grep:.<CR>

" Define mappings while in 'filter' mode
"   <C-o>         - Switch to normal mode inside of search results
"   <Esc>         - Exit denite window in any mode
"   <CR>          - Open currently selected file in any mode
"   <C-t>         - Open currently selected file in a new tab
"   <C-v>         - Open currently selected file a vertical split
"   <C-h>         - Open currently selected file in a horizontal split
autocmd FileType denite-filter call s:denite_filter_my_settings()
function! s:denite_filter_my_settings() abort
  imap <silent><buffer> <C-o>
  \ <Plug>(denite_filter_quit)
  inoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  inoremap <silent><buffer><expr> <CR>
  \ denite#do_map('do_action')
  inoremap <silent><buffer><expr> <C-t>
  \ denite#do_map('do_action', 'tabopen')
  inoremap <silent><buffer><expr> <C-v>
  \ denite#do_map('do_action', 'vsplit')
  inoremap <silent><buffer><expr> <C-h>
  \ denite#do_map('do_action', 'split')
endfunction

" Define mappings while in denite window
"   <CR>        - Opens currently selected file
"   q or <Esc>  - Quit Denite window
"   d           - Delete currenly selected file
"   p           - Preview currently selected file
"   <C-o> or i  - Switch to insert mode inside of filter prompt
"   <C-t>       - Open currently selected file in a new tab
"   <C-v>       - Open currently selected file a vertical split
"   <C-h>       - Open currently selected file in a horizontal split
autocmd FileType denite call s:denite_my_settings()
function! s:denite_my_settings() abort
  nnoremap <silent><buffer><expr> <CR>
  \ denite#do_map('do_action')
  nnoremap <silent><buffer><expr> q
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> d
  \ denite#do_map('do_action', 'delete')
  nnoremap <silent><buffer><expr> p
  \ denite#do_map('do_action', 'preview')
  nnoremap <silent><buffer><expr> i
  \ denite#do_map('open_filter_buffer')
  nnoremap <silent><buffer><expr> <C-o>
  \ denite#do_map('open_filter_buffer')
  nnoremap <silent><buffer><expr> <C-t>
  \ denite#do_map('do_action', 'tabopen')
  nnoremap <silent><buffer><expr> <C-v>
  \ denite#do_map('do_action', 'vsplit')
  nnoremap <silent><buffer><expr> <C-h>
  \ denite#do_map('do_action', 'split')
endfunction

" === Nerdtree shorcuts === "
"  <leader>n - Toggle NERDTree on/off
"  <leader>f - Opens current file location in NERDTree
nmap <leader>n :NERDTreeToggle<CR>
nmap <leader>f :NERDTreeFind<CR>

"   <Space> - PageDown
"   -       - PageUp
noremap <Space> <PageDown>
noremap - <PageUp>

" Quick window switching
nmap <C-h> <C-w>h
nmap <C-j> <C-w>j
nmap <C-k> <C-w>k
nmap <C-l> <C-w>l

" === coc.nvim === "
nmap <silent> <leader>dd <Plug>(coc-definition)
nmap <silent> <leader>dr <Plug>(coc-references)
nmap <silent> <leader>dj <Plug>(coc-implementation)

" === vim-better-whitespace === "
"   <leader>y - Automatically remove trailing whitespace
nmap <leader>y :StripWhitespace<CR>

" === Search shorcuts === "
"   <leader>h - Find and replace
"   <leader>/ - Claer highlighted search terms while preserving history
map <leader>h :%s///<left><left>
nmap <silent> <leader>/ :nohlsearch<CR>

" === Easy-motion shortcuts ==="
"   <leader>w - Easy-motion highlights first word letters bi-directionally
map <leader>w <Plug>(easymotion-bd-w)

" Allows you to save files you opened without write permissions via sudo
cmap w!! w !sudo tee %

" === vim-jsdoc shortcuts ==="
" Generate jsdoc for function under cursor
nmap <leader>z :JsDoc<CR>

" Delete current visual selection and dump in black hole buffer before pasting
" Used when you want to paste over something without it getting copied to
" Vim's default buffer
vnoremap <leader>p "_dP
" ============================================================================ "
" ===                               STARTIFY                               === "
" ============================================================================ "
function! s:center(lines) abort
  let longest_line   = max(map(copy(a:lines), 'strwidth(v:val)'))
  let centered_lines = map(copy(a:lines),
        \ 'repeat(" ", (&columns / 2) - (longest_line / 2)) . v:val')
  return centered_lines
endfunction
let s:header= [
      \"",
      \"",
      \"                                 ;::::;",
      \"                               ;::::; :;",
      \"                              ;:::::'   :;",
      \"                             ;:::::;     ;.",
      \"                            ,:::::' 0xR0  ;           OOO\ ",
      \"                            ::::::;       ;          OOOOO\ ",
      \"                           ;:::::;       ;         OOOOOOOO",
      \"                          ,;::::::;     ;'         / OOOOOOO",
      \"                        ;:::::::::`. ,,,;.        /  / DOOOOOO",
      \"                      .';:::::::::::::::::;,     /  /     DOOOO",
      \"                    , ::::::;::::::;;;;::::;,   /  /        DOOO",
      \"                    ;`::::::`'::::::;;;::::: ,#/  /          DOOO",
      \"                    :`:::::::`;::::::;;::: ;::#  /            DOOO",
      \"                    ::`:::::::`;:::::::: ;::::# /              DOO",
      \"                     :`:::::::`;:::::: ;::::::#/               DOO",
      \"                    :::`:::::::`;; ;:::::::::##                OO",
      \"                    ::::`:::::::`;::::::::;:::#                OO",
      \"                      :::::`::::::::::::;'`:;::#                O",
      \"                      :::::`::::::::;' /  / `:#",
      \"                      ::::::`:::::;'  /  /   `#",
      \" ___________________________________",
      \" author{ROGUEX3/rowanfeely.github.io}",
      \" code{github.com/RowanFeely/dotfiles}",
      \"",
      \""
      \]
let g:startify_change_to_dir = 1
let g:startify_custom_header = s:center(s:header)
" Optionally create and use footer
"let s:header= []
"let g:startify_custom_footer = s:center(s:footer)

" ============================================================================ "
" ===                                 MISC.                                === "
" ============================================================================ "

" Automaticaly close nvim if NERDTree is only thing left open
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" === Search === "
" ignore case when searching
set ignorecase

" if the search string has an upper case letter in it, the search will be case sensitive
set smartcase

" Automatically re-read file if a change was detected outside of vim
set autoread

" Enable line numbers
set number

" Set backups
if has('persistent_undo')
  set undofile
  set undolevels=3000
  set undoreload=10000
endif
set backupdir=~/.local/share/nvim/backup " Don't put backups in current dir
set backup
set noswapfile

"================================================================
"                       taskwarrior                             "
"==============================================================="
" default task report type
let g:task_report_name     = 'next'
" custom reports have to be listed explicitly to make them available
let g:task_report_command  = []
" whether the field under the cursor is highlighted
let g:task_highlight_field = 1
" can not make change to task data when set to 1
let g:task_readonly        = 0
" vim built-in term for task undo in gvim
let g:task_gui_term        = 1
" allows user to override task configurations. Seperated by space. Defaults to ''
let g:task_rc_override     = 'rc.defaultwidth=999'
" default fields to ask when adding a new task
let g:task_default_prompt  = ['due', 'description']
" whether the info window is splited vertically
let g:task_info_vsplit     = 0
" info window size
let g:task_info_size       = 15
" info window position
let g:task_info_position   = 'belowright'
" directory to store log files defaults to taskwarrior data.location
let g:task_log_directory   = '~/.task'
" max number of historical entries
let g:task_log_max         = '20'
" forward arrow shown on statusline
let g:task_left_arrow      = ' <<'
" backward arrow ...
let g:task_left_arrow      = '>> '

" Reload icons after init source
if exists('g:loaded_webdevicons')
  call webdevicons#refresh()
endif