My nvim, tmux and coc config

coc-settings.json

{
  "suggest.noselect": false,
  "coc.preferences.formatOnSaveFiletypes": [
    "javascript",
    "typescript",
    "typescriptreact",
    "json",
    "javascriptreact",
    "typescript.tsx",
    "graphql"
  ]
}

init.vim

" add this in ~/config/nvim/init.nvim
"setup vim-plug {{{

  "Note: install vim-plug if not present
  if empty(glob('~/.config/nvim/autoload/plug.vim'))
    silent !curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
    autocmd VimEnter * PlugInstall
  endif

"}}}

" Specify a directory for plugins
call plug#begin('~/.nvim/plugged')

Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'scrooloose/nerdtree'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'tiagofumo/vim-nerdtree-syntax-highlight'
Plug 'ryanoasis/vim-devicons'
Plug 'airblade/vim-gitgutter'
Plug 'ctrlpvim/ctrlp.vim' " fuzzy find files
Plug 'scrooloose/nerdcommenter'

Plug 'christoomey/vim-tmux-navigator'

Plug 'haishanh/night-owl.vim'

Plug 'HerringtonDarkholme/yats.vim' " TS Syntax

" Initialize plugin system
call plug#end()

set termguicolors
colorscheme night-owl 

inoremap jk <ESC>
map <silent> <C-n> :NERDTreeToggle<CR>
vmap ++ <plug>NERDCommenterToggle
nmap ++ <plug>NERDCommenterToggle


let g:NERDTreeGitStatusWithFlags = 1

let g:NERDTreeIgnore = ['^node_modules$']
let NERDTreeShowHidden=1
" prettier command for coc
command! -nargs=0 Prettier :CocCommand prettier.formatFile

" 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')

set relativenumber

set smarttab
set cindent
set tabstop=2
set shiftwidth=2
" always uses spaces instead of tab characters
set expandtab

" coc config
let g:coc_global_extensions = [
  \ 'coc-snippets',
  \ 'coc-pairs',
  \ 'coc-graphql',
  \ 'coc-yaml',
  \ 'coc-html',
  \ 'coc-tsserver',
  \ 'coc-eslint', 
  \ 'coc-prettier', 
  \ 'coc-json', 
  \ 'coc-markdownlint', 
  \ 'coc-markdownlint', 
  \ 'coc-spell-checker', 
  \ 'coc-tailwindcss',
  \ 'coc-vetur', 
  \ 'coc-emmet', 
  \ ]
" 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 
" Better display for messages set cmdheight=2
" You will have bad experience for diagnostic messages when it's default 4000.
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>" :
      \ pumvisible() ? "\<C-n>" :
      \ 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

" 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)

" 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','')}

" 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>
nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list
nnoremap <silent> <space>p  :<C-u>CocListResume<CR>l

tmux.conf

# Add this to ~/.tmux.conf
# tmux display things in 256 colors
set -g default-terminal "screen-256color"

# automatically renumber tmux windows
set -g renumber-windows on

# unbind default prefix and set it to Ctrl+a
unbind C-b
set -g prefix C-a
bind C-a send-prefix

# for nested tmux sessions
bind-key a send-prefix

# Activity Monitoring
setw -g monitor-activity off
set -g visual-activity off

# Rather than constraining window size to the maximum size of any client
# connected to the *session*, constrain window size to the maximum size of any
# client connected to *that window*. Much more reasonable.
setw -g aggressive-resize on

# make delay shorter
set -sg escape-time 0
set -g status off

# make window/pane index start with 1
set -g base-index 1
setw -g pane-base-index 1
######################
#### Key Bindings ####
######################

# reload config file
bind r source-file ~/.tmux.conf \; display "Config Reloaded!"

# split window and fix path for tmux 1.9
bind | split-window -h -c "#{pane_current_path}"
bind _ split-window -v -c "#{pane_current_path}"

# synchronize all panes in a window
bind y setw synchronize-panes

# pane movement shortcuts
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Resize pane shortcuts
bind -r H resize-pane -L 10
bind -r J resize-pane -D 10
bind -r K resize-pane -U 10
bind -r L resize-pane -R 10

# enable mouse support for switching panes/windows
# NOTE: This breaks selecting/copying text on OSX
# To select text as expected, hold Option to disable it (iTerm2)
set -g mouse on; bind m set -g mouse on \; display "Mouse ON"; bind M set -g mouse off \; display "Mouse OFF"

# set vi mode for copy mode
setw -g mode-keys vi

# move a pane to its own window
unbind +
bind + \
	new-window -d -n tmux-zoom 'clear && echo TMUXZOOM && read' \;\
	select-window -t tmux-zoom

unbind -
bind - \
	last-window \; \
	swap-pane -s tmux-zoom.0 \;\
	kill-window -t tmux-zoom 

# fix ssh agent when tmux is detached
setenv -g SSH_AUTH_SOCK $HOME/.ssh/ssh_auth_sock