notes/nvim/init.vim

call plug#begin('~/.vim/plugged')
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'kyazdani42/nvim-web-devicons' " for file icons
Plug 'kyazdani42/nvim-tree.lua'
Plug 'psliwka/vim-smoothie'
Plug 'mattn/emmet-vim'
Plug 'ap/vim-css-color'
Plug 'airblade/vim-gitgutter'
Plug 'ctrlpvim/ctrlp.vim' " fuzzy find files
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'preservim/nerdcommenter'
Plug 'Yggdroot/indentLine'
Plug 'sheerun/vim-polyglot'
Plug 'mg979/vim-visual-multi', {'branch': 'master'}
Plug 'iamcco/markdown-preview.nvim', {'do': { -> mkdp#util#install()  }}
Plug 'luochen1990/rainbow'
Plug 'simeji/winresizer'
Plug 'yaegassy/coc-volar'
Plug '907th/vim-auto-save'
Plug 'itchyny/lightline.vim'
Plug 'jremmen/vim-ripgrep'
"Plug 'HerringtonDarkholme/yats.vim' " TS Syntax

" Initialize plugin system
call plug#end()

"nvim tree default setup
lua require'nvim-tree'.setup {}
let g:nvim_tree_git_hl = 1 "0 by default, will enable file highlight for git attributes (can be used without the icons).
let g:nvim_tree_highlight_opened_files = 1 "0 by default, will enable folder and file icon highlight for opened files/directories.
let g:nvim_tree_root_folder_modifier = ':~' "This is the default. See :help filename-modifiers for more options
let g:nvim_tree_add_trailing = 1 "0 by default, append a trailing slash to folder names
let g:nvim_tree_group_empty = 1 " 0 by default, compact folders that only contain a single folder into one node in the file tree
let g:nvim_tree_icon_padding = ' ' "one space by default, used for rendering the space between the icon and the filename. Use with caution, it could break rendering if you set an empty string depending on your font.
let g:nvim_tree_symlink_arrow = ' >> ' " defaults to ' ➛ '. used as a separator between symlinks' source and target.
let g:nvim_tree_respect_buf_cwd = 1 "0 by default, will change cwd of nvim-tree to that of new buffer's when opening nvim-tree.
let g:nvim_tree_create_in_closed_folder = 1 "0 by default, When creating files, sets the path of a file when cursor is on a closed folder to the parent folder when 0, and inside the folder when 1.
let g:nvim_tree_special_files = { 'README.md': 1, 'Makefile': 1, 'MAKEFILE': 1 } " List of filenames that gets highlighted with NvimTreeSpecialFile
let g:nvim_tree_show_icons = {
    \ 'git': 1,
    \ 'folders': 0,
    \ 'files': 0,
    \ 'folder_arrows': 0,
    \ }
"If 0, do not show the icons for one of 'git' 'folder' and 'files'
"1 by default, notice that if 'files' is 1, it will only display
"if nvim-web-devicons is installed and on your runtimepath.
"if folder is 1, you can also tell folder_arrows 1 to show small arrows next to the folder icons.
"but this will not work when you set renderer.indent_markers.enable (because of UI conflict)

" default will show icon by default if no icon is provided
" default shows no icon by default
let g:nvim_tree_icons = {
    \ 'default': "",
    \ 'symlink': "",
    \ 'git': {
    \   'unstaged': "✗",
    \   'staged': "✓",
    \   'unmerged': "",
    \   'renamed': "➜",
    \   'untracked': "★",
    \   'deleted': "",
    \   'ignored': "◌"
    \   },
    \ 'folder': {
    \   'arrow_open': "",
    \   'arrow_closed': "",
    \   'default': "",
    \   'open': "",
    \   'empty': "",
    \   'empty_open': "",
    \   'symlink': "",
    \   'symlink_open': "",
    \   }
    \ }

nnoremap <C-b> :NvimTreeToggle<CR>
nnoremap <leader>r :NvimTreeRefresh<CR>
nnoremap <leader>n :NvimTreeFindFile<CR>
" More available functions:
" NvimTreeOpen
" NvimTreeClose
" NvimTreeFocus
" NvimTreeFindFileToggle
nnoremap <C-e> :NvimTreeResize<CR>
" NvimTreeCollapse
" NvimTreeCollapseKeepBuffers

set termguicolors " this variable must be enabled for colors to be applied properly

set nosplitright
"
" Automatically closes Nvim tree if last window open
autocmd BufEnter * ++nested if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif

" Automatically opens Nvim tree when first opening nvim

" a list of groups can be found at `:help nvim_tree_highlight`
highlight NvimTreeFolderIcon guibg=blue

" Use experimental features of vim-smoothie (gg and G)
let g:smoothie_experimental_mappings = 1

" Tab Shortcuts
nnoremap <C-t> :tabnew<CR>
nnoremap <A-Left> :tabprevious<CR>
nnoremap <A-Right> :tabnext<CR>

"set colored brackets via rainbow"
let g:rainbow_active = 1

"set to 0 if you want to enable it later via :RainbowToggle"

" set indentLine to nvim colorscheme
" let g:indentLine_setColors = 0

" Marks end of line, space, and trailing space characters
set listchars=eol:↵,trail:·,space:·
set list

"enable AutoSave on start
let g:auto_save = 1

"silence AutoSave messages
let g:auto_save_silent = 1

" do not close the markdown preview tab when switching to other buffers
let g:mkdp_auto_close = 0

" Create Default Mappings for NerdCommenter
let g:NERDCreateDefaultMappings = 1

" Toggle NERDCommenter with Ctrl + c
:map <C-c> <Plug>NERDCommenterToggle

" Add spaces after NerdCommenter delimiters by default
let g:NERDSpaceDelims = 1

" <Ctrl-x> redraws the screen and removes any search highlighting
nnoremap <silent> <C-x> :nohl<CR><C-x>

"Toggle Multi-Cursor with j or k
nmap <C-j> <C-Down>
nmap <C-k> <C-Up>

" Use ctrl- [hjkl] to select the active split!
"nmap <silent> <c-k> :wincmd k<CR>
"nmap <silent> <c-j> :wincmd j<CR>
nmap <silent> <c-h> :wincmd h<CR>
nmap <silent> <c-l> :wincmd l<CR>

" Only lightline shows on bottom status board
set noshowmode

" Set lightline colorscheme
let g:lightline = {'colorscheme': 'one', 'active': { 'left': [['mode', 'paste'], ['gitbranch', 'readonly', 'filename', 'modified']]}, 'component_function': {'gitbranch': 'FugitiveHead'}}

" Custom keybindings

" keybind map Ctrl + m to :MarkdownPreview
nnoremap M <Plug>MarkdownPreviewToggle

"Escape Insert Mode with ii
imap ii <Esc>

" Vertically center document when entering Insert mode
autocmd InsertEnter * norm zz

" Alias replace all to shift + S
nnoremap S :%s///gI<Left><Left><Left><Left>

" Fix Splitting
set splitbelow
set splitright

"Insert a console.log()
inoremap cll console.log()<esc>i

autocmd BufEnter *.{js,jsx,ts,tsx,vue} :syntax sync fromstart
autocmd BufLeave *.{js,jsx,ts,tsx,vue} :syntax sync clear

" ctrlp
let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']

" j/k will move virtual lines (lines that wrap)
noremap <silent> <expr> j (v:count == 0 ? 'gj' : 'j')
noremap <silent> <expr> k (v:count == 0 ? 'gk' : 'k')

"remap leader key to comma
let mapleader=","

"set relativenumber
set number

set cursorcolumn
set cursorline
set ttyfast
set mouse=a
set autoindent
set smarttab
set ignorecase
set cindent
set tabstop=8
set softtabstop=0
set shiftwidth=4
" always uses spaces instead of tab characters
set expandtab

if(has("termguicolors"))
  set termguicolors
endif

syntax enable
" colorscheme gruvbox
"colorscheme menguless
colorscheme nord
"colorscheme molokai

"Enable transparency
hi Normal guibg=NONE ctermbg=NONE

"Enable Comments with Italics (below selected colorscheme)
highlight Comment cterm=italic gui=italic

" coc config
let g:coc_global_extensions = [
  \ 'coc-snippets',
  \ 'coc-pairs',
  \ 'coc-tsserver',
  \ 'coc-eslint',
  "\ 'coc-prettier',
  \ 'coc-json',
  \ ]
" from readme
" if hidden is not set, TextEdit might fail.
set hidden " Some servers have issues with backup files, see #649 set nobackup set nowritebackup

" Set the height of the status line down at the bottom
set cmdheight=1
" Set the amount of characters you get back from status/error messages
set updatetime=300

" don't give |ins-completion-menu| messages.
set shortmess+=c

" always show signcolumns
set signcolumn=yes

" Use tab for trigger completion with characters ahead and navigate.
" Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
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.
inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
" Or use `complete_info` if your vim support it, like:
" inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"

" Use `[g` and `]g` to navigate diagnostics
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" Remap keys for gotos
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

" Removes trailing spaces
function TrimWhiteSpace()
    %s/\s*$//
    ''
endfunction

"Removes trailing spaces on save
autocmd FileWritePre * call TrimWhiteSpace()
autocmd FileAppendPre * call TrimWhiteSpace()
autocmd FilterWritePre * call TrimWhiteSpace()
autocmd BufWritePre * call TrimWhiteSpace()

" Highlight symbol under cursor on CursorHold
autocmd CursorHold * silent call CocActionAsync('highlight')

" Remap for rename current word
nmap <F2> <Plug>(coc-rename)

" Remap for format selected region
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

" Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap for do codeAction of current line
nmap <leader>ac  <Plug>(coc-codeaction)
" Fix autofix problem of current line
nmap <leader>qf  <Plug>(coc-fix-current)

" Create mappings for function text object, requires document symbols feature of languageserver.
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 <C-d> for select selections ranges, needs server support, like: coc-tsserver, coc-python
"nmap <silent> <C-d> <Plug>(coc-range-select)
"xmap <silent> <C-d> <Plug>(coc-range-select)
"xmap <silent> <S-TAB> <Plug>(coc-range-select-backword)

" Use `:Format` to format current buffer
command! -nargs=0 Format :call CocAction('format')

" Use `:Fold` to fold current buffer
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" use `:OR` for organize import of current buffer
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

" Add status line support, for integration with other plugin, checkout `:h coc-status`
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Shortcut mappings for FZF
nnoremap <silent> <leader>f :FZF<cr>
nnoremap <silent> <leader>F :FZF<cr>

" 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>