Neovim Configuration File

init.vim

" Plugins will be downloaded under the specified directory.
call plug#begin('~/.config/plugged')

" Declare the list of plugins.
Plug 'https://github.com/joshdick/onedark.vim.git'
Plug 'https://github.com/vim-airline/vim-airline.git'
Plug 'https://github.com/tpope/vim-fugitive.git'
Plug 'https://github.com/PProvost/vim-ps1.git'
Plug 'https://github.com/wakatime/vim-wakatime.git'
Plug 'neovim/nvim-lspconfig'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'OmniSharp/omnisharp-vim'
Plug 'https://github.com/nickspoons/vim-sharpenup.git'
Plug 'sheerun/vim-polyglot'
Plug 'https://github.com/preservim/nerdtree'
Plug 'https://github.com/ryanoasis/vim-devicons'
Plug 'https://github.com/hashivim/vim-terraform.git'
Plug 'https://github.com/pangloss/vim-javascript'
Plug 'https://github.com/sainnhe/everforest'
Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
Plug 'https://github.com/folke/tokyonight.nvim'
Plug 'bling/vim-bufferline'
Plug 'https://github.com/akinsho/bufferline.nvim'
Plug 'nvim-lua/plenary.nvim'
Plug 'nvim-telescope/telescope.nvim', { 'tag': '0.1.5' }
Plug 'rodjek/vim-puppet'
Plug 'https://github.com/modille/groovy.vim'
Plug 'itspriddle/vim-shellcheck'
Plug 'nvim-treesitter/nvim-treesitter-context'

" List ends here. Plugins become visible to Vim after this call.
call plug#end()

set hlsearch ignorecase smartcase incsearch number relativenumber
set tabstop=4 shiftwidth=4 expandtab notitle ruler laststatus=2
set autoindent smartindent re=0 scrolloff=8
syntax on

if has('termguicolors')
    set termguicolors
endif
set colorcolumn=80
"set background=dark
"let g:everforest_background = 'hard'
let mapleader = "\<Space>"
colorscheme tokyonight-storm
au BufNewFile,BufRead *.groovy setf groovy
filetype plugin indent on
hi Comment cterm=italic

autocmd FileType javascript setlocal tabstop=2 shiftwidth=2 softtabstop=2

lua << EOF
require("bufferline").setup{
    \ options = {
        numbers = "ordinal",
        diagnostic = "coc",
        separator_style = "slant" or "padded_slant",
        show_tab_indicators = true,
        show_buffer_close_icons = true,
        show_slow_icon = false,
    },
\ }
EOF

" NERDTree close after making selection.
let NERDTreeQuitOnOpen=1
let g:NERDTreeDirArrowExpandable="+"
let g:NERDTreeDirArrowCollapsible="~"
nnoremap <C-t> :NERDTreeToggle<CR>

" Changes for CoC
" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=300

" 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>
      \ coc#pum#visible() ? coc#pum#next(1):
      \ CheckBackspace() ? "\<Tab>" :
      \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"

" Make <CR> to accept selected completion item or notify coc.nvim to format
" <C-g>u breaks current undo, please make your own choice.
inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

function! CheckBackspace() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
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)

" Swapping buffers.
nmap <silent> gn :bnext<cr>
nmap <silent> gp :bprevious<cr>

" Use K to show documentation in preview window.
nnoremap <silent> K :call ShowDocumentation()<CR>

function! ShowDocumentation()
  if CocAction('hasProvider', 'hover')
    call CocActionAsync('doHover')
  else
    call feedkeys('K', 'in')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder.
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current buffer.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Run the Code Lens action on the current line.
nmap <leader>cl  <Plug>(coc-codelens-action)

" Map function and class text objects
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
xmap if <Plug>(coc-funcobj-i)
omap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap af <Plug>(coc-funcobj-a)
xmap ic <Plug>(coc-classobj-i)
omap ic <Plug>(coc-classobj-i)
xmap ac <Plug>(coc-classobj-a)
omap ac <Plug>(coc-classobj-a)

" Remap <C-f> and <C-b> for scroll float windows/popups.
if has('nvim-0.4.0') || has('patch-8.2.0750')
  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

" Use CTRL-S for selections ranges.
" Requires 'textDocument/selectionRange' support of language server.
nmap <silent> <C-s> <Plug>(coc-range-select)
xmap <silent> <C-s> <Plug>(coc-range-select)

" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocActionAsync('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     CocActionAsync('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 for CoCList
" Show all diagnostics.
nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>

" Mappings for telescope.
nnoremap <leader>ff <cmd>Telescope find_files<cr>
nnoremap <leader>fg <cmd>Telescope live_grep<cr>
nnoremap <leader>fb <cmd>Telescope buffers<cr>
nnoremap <leader>fh <cmd>Telescope help_tags<cr>

" Mappings for bufferline.
nnoremap <silent><leader>1 <cmd>lua require("bufferline").go_to_buffer(1, true)<cr>
nnoremap <silent><leader>2 <cmd>lua require("bufferline").go_to_buffer(2, true)<cr>
nnoremap <silent><leader>3 <cmd>lua require("bufferline").go_to_buffer(3, true)<cr>
nnoremap <silent><leader>4 <cmd>lua require("bufferline").go_to_buffer(4, true)<cr>
nnoremap <silent><leader>5 <cmd>lua require("bufferline").go_to_buffer(5, true)<cr>
nnoremap <silent><leader>6 <cmd>lua require("bufferline").go_to_buffer(6, true)<cr>
nnoremap <silent><leader>7 <cmd>lua require("bufferline").go_to_buffer(7, true)<cr>
nnoremap <silent><leader>8 <cmd>lua require("bufferline").go_to_buffer(8, true)<cr>
nnoremap <silent><leader>9 <cmd>lua require("bufferline").go_to_buffer(9, true)<cr>