CocList subcommand completion does not work about wilder.nvim HOT 6 CLOSED

function! FilterCocList(ctx, res) abort
  let l:parsed = wilder#cmdline#parse(a:ctx.input)
  if l:parsed.cmd !=# 'CocList'  " other commands can be added here
    return a:res
  endif
  let l:arg = l:parsed.cmdline[l:parsed.pos :]
  return extend(a:res, {
        \ 'value': filter(a:res.value, {i, x -> match(x, l:arg) != -1}),
        \ 'data': extend(get(a:res, 'data', {}), {'query': l:arg})
        \ })

call wilder#set_option('pipeline', wilder#branch(
        \ wilder#python_search_pipeline(),
        \ wilder#cmdline_pipeline() + [funcref('FilterCocList')]
        \ )
endfunction

  function! FilterCocList(ctx, res) abort
    let l:parsed = wilder#cmdline#parse(a:ctx.input)
    if l:parsed.cmd ==# 'CocList'
      let l:arg = l:parsed.cmdline[l:parsed.pos :]
      return extend(a:res, {
            \ 'value': filter(a:res.value, {i, x -> match(x, l:arg) != -1}),
            \ 'data': extend(get(a:res, 'data', {}), {'query': l:arg})
            \ })
    endif
    return a:res
  endfunction

  call wilder#set_option('pipeline', wilder#branch(
        \ wilder#python_search_pipeline(),
        \ wilder#cmdline_pipeline() + [funcref('FilterCocList')]
        \ ))

function! CommandList(...) abort
  let list = coc#rpc#request('commandList', a:000)
  return join(list, "\n")
endfunction

command! -nargs=* -complete=custom,CommandList -range CocCommand :call coc#rpc#notify('runCommand', [<f-args>])