折畳レベルをお寿司で表す

osushi_fold.vim

" 余白文字を指定 {{{
" vert: 垂直分割の区切り文字
" fold: 折畳の余白
" diff: diffの余白
set fillchars=vert:\ ,fold:\ ,diff:\ 
" }}}

" 折畳 {{{
function! MyFoldText() abort
    let sushi = ''
    " 折畳のレベルによって、お寿司を増やす
    for i in range(v:foldlevel)
        let sushi .= '🍣'
    endfor

    let line = getline(v:foldstart)
    let marker_start = strpart(&foldmarker, 0, 3)
    let line = substitute(line, marker_start.'\d\=\|/\*\|\*/', '', 'g')
    let line = substitute(line, '^"*\s*', '', 'g')
    let line = substitute(line, '"*\s*$', '', 'g')
    return ' '.sushi.' '.line
endfunction
set foldtext=MyFoldText()
" }}}