NeoVim Configuration

coc-settings.json

{
    "suggest.autoTrigger": "always",
    "coc.preferences.formatOnType": false,
    "coc.preferences.jumpCommand": "edit",
    "coc.preferences.rootPatterns": [
        ".vim",
        ".git",
        ".hg",
        ".projections.json"
    ],
    "javascript.suggest.autoImports": true,
    "javascript.suggest.paths": true
}

init.vim

" Located in ~/.config/nvim/init.vim
" configuration varibles =======
set expandtab
set tabstop=4
set softtabstop=4
set shiftwidth=4
set autoindent
set textwidth=140
set number
set nowrap
set autoread
set background=dark
set nocompatible
set number relativenumber

" For CoC =====================
set updatetime=300
set signcolumn=yes

" Use tab for trigger completion with characters ahead and navigate.
" NOTE: There's always complete item selected by default, you may want to enable
" no select by `"suggest.noselect": true` in your configuration file.
" 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

" 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 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')


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


if has('unix')
    if has('mac')       " osx
        let g:python3_host_prog = '/opt/homebrew/bin/python3'
    else                " linux, bsd, etc
        let g:python3_host_prog = '/usr/bin/python3'
    endif
endif
" ==============================

" Plugin installers ============

" Automatic installation of vim plug
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

" Install vim-plug if not found
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
endif

" Run PlugInstall if there are missing plugins
autocmd VimEnter * if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
  \| PlugInstall --sync | source $MYVIMRC
  \| endif

call plug#begin('~/.config/nvim/plugins')
    " Search files
    Plug 'junegunn/fzf.vim'
    Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
    " Intellisense
    Plug 'dense-analysis/ale'
    Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
    " Search
    Plug 'preservim/nerdtree'
    " Themes
    Plug 'dracula/vim', { 'as': 'dracula' }
    " For git
    Plug 'nvim-lualine/lualine.nvim'
    Plug 'kyazdani42/nvim-web-devicons'
    Plug 'voldikss/vim-floaterm'
    " For CoC
    Plug 'neoclide/coc.nvim', {'branch': 'release'}
    " Keeps the function name on top of the buffer
    Plug 'nvim-treesitter/nvim-treesitter'
    Plug 'nvim-treesitter/nvim-treesitter-context'
call plug#end()
" =============================

" Color schemes ================
colorscheme dracula
" ==============================

"Plugin simple configurations ==
let g:deoplete#enable_at_startup = 1
let g:ale_echo_msg_format = '%linter%: %s'
let g:ale_fix_on_save = 1
let g:ale_fixers = {
\   '*': ['remove_trailing_lines', 'trim_whitespace'],
\   'javascript': ['eslint'],
\   'vue': ['eslint'],
\}
" ==============================

" Map configurations ===========
let mapleader = " "
nmap <Leader>rg :Rg<CR>
nmap <Leader>qi :q!<CR>
nmap <Leader>x :x<CR>
nmap <Leader>qa :qall!<CR>
nmap <Leader>nt :NERDTree<CR>
nmap <Leader>tn :tabnew<CR>
nmap <Leader>sh :shell<CR>
nmap <Leader>tr :term<CR>
nnoremap <C-t> :NERDTreeFind<CR>
nnoremap <C-f> :Lines<CR>
nnoremap <C-g> :GFiles?<CR>
nnoremap <C-p> :Rg<CR>
nnoremap <C-n> :tabnew<CR>
nnoremap <C-s> :w<CR>
nnoremap <C-r> :tabdo e<CR>
" ==============================

" Initializing git status line
lua << END
require('lualine').setup()
END