defx messes window layout

Consider the following minimal init.vim

set nocompatible

let $DOTVIM = expand('$HOME/.config/nvim')

set runtimepath+=$DOTVIM/bundle/repos/github.com/Shougo/defx.nvim
filetype plugin indent on

call defx#custom#option('_', {
            \ 'winwidth': 40,
            \ 'split': 'vertical',
            \ 'direction': 'topleft',
            \ })

Now as in the GIF do the following

1. Open nvim and edit some file, for example :e init.vim
2. Run sp and then vsp
3. Run :Defx
4. Run :q on the defx buffer You can see in steps 3 and 4 that window layout is broken -> defx shouldn’t change the window layout

[petobens]

This is indeed working with defx#do_action('quit') but not when opening files. Consider the following minimal vimrc:

set nocompatible

let $DOTVIM = expand('$HOME/.config/nvim')

set runtimepath+=$DOTVIM/bundle/repos/github.com/Shougo/defx.nvim
filetype plugin indent on

call defx#custom#option('_', {
            \ 'winwidth': 40,
            \ 'split': 'vertical',
            \ 'direction': 'topleft',
            \ })

augroup ps_defx
    au!
    au FileType defx call s:defx_settings()
augroup END

function! s:defx_settings()
    nnoremap <silent><buffer><expr> q defx#do_action('quit')
    nnoremap <silent><buffer><expr> <CR>
        \ defx#is_directory() ? defx#do_action('open') :
        \ defx#do_action('multi', ['drop', 'quit'])
endfunction

Now

1. Open nvim and edit some file, for example :e init.vim
2. Run :sp, move to the new split and run :vsp, move to this new split and run :sp again.
3. From the last split window run :Defx
4. Press <CR> on some candidate

After 4. the original window layout is broken (on the other hand if using q instead of <CR> then the layout is indeed preserved)

[petobens]

Thank you!