Vim ripgrep and fzy

.vimrc

" ripgrep
" https://github.com/BurntSushi/ripgrep
set grepprg=rg\ --vimgrep\ --no-heading
set grepformat^=%f:%l:%c:%m
command -nargs=+ -complete=file Rg silent! grep! <args> | copen | redraw!
nmap <silent> <leader>a :Rg "\b<C-R><C-W>\b"<CR>

" fzy - fuzzy find
" https://github.com/jhawthorn/fzy
function! FzyCommand(choice_command, vim_command)
  try
    let output = system(a:choice_command . " | fzy ")
  catch /Vim:Interrupt/
    " Swallow errors from ^C, allow redraw! below
  endtry
  redraw!
  if v:shell_error == 0 && !empty(output)
    exec a:vim_command . ' ' . output
  endif
endfunction

nnoremap <leader>t :call FzyCommand("rg . -l -g ''", ":e")<cr>

ripgrep: https://github.com/BurntSushi/ripgrep
fzy: https://github.com/jhawthorn/fzy