Only github.com

LeaderF-ghq.vim

let g:Lf_Extensions = get(g:, 'Lf_Extensions', {})

function! LfExt_ghq_accept(line, args) abort
    let l:path = $GHQ_ROOT . '/github.com/' . a:line
    execute 'tabe | tcd ' . l:path
endfunction

function! LfExt_ghq_format_line(line, args) abort
    return a:line[11:]
endfunction

let g:Lf_Extensions.ghq = {
\   'source': {'command': 'ghq list'},
\   'accept': 'LfExt_ghq_accept',
\   'format_line': 'LfExt_ghq_format_line',
\}