nvim-treesitter/nvim-treesitter#2545

init.vim

call plug#begin()
Plug 'theHamsta/nvim-treesitter', {'branch': 'ecma-auto-comment', 'do': ':TSUpdate'}
call plug#end()

set fillchars=eob:\ ,
set shm+=Ic
set noswapfile
set lazyredraw
set modelines=0
set number relativenumber

nnoremap ; :
nnoremap , ;
vnoremap ; :
vnoremap , ;

if has('termguicolors')
  set termguicolors
endif

lua <<EOF
local ts = require'nvim-treesitter.configs'

ts.setup {
  ensure_installed = "maintained",
  highlight = {
    enable = true,
  },
}
EOF

augroup filetype_based_indentation
  autocmd!
  autocmd VimEnter * set tabstop=2 softtabstop=2 shiftwidth=2 expandtab
augroup END