vim-markdown-navigation/after/ftplugin/markdown.vim
2024-10-01 19:14:47 -07:00

43 lines
1.4 KiB
VimL

" this script (markdown.vim) must be placed in ~/.vim/after/ftplugin
" requires https://github.com/plasticboy/vim-markdown
function! s:markdownGotoHeader()
let pos = getpos('.')
call search('(', 'bcW', line('.'))
if !search('#', 'cW', line('.'))
echohl ErrorMsg
echo 'No link found on rest of line'
echohl NONE
call setpos('.', pos)
return
endif
let asav = @a
normal! "ayib
let targ = @a
let @a = asav
let targ = substitute(targ, '^#\+', '', '')
let targ = substitute(targ, '^\s\+\|\s\+$', '', 'g')
if empty(targ)
echohl ErrorMsg
echo 'target is empty'
echohl NONE
call setpos('.', pos)
return
endif
let targ = split(targ)[0]
let targ = '\[[:punct:][:space:]]\*'.join(map(split(targ, '-'), { _,str -> join(map(split(str, '\zs'), { _,chr -> chr == '\' ? '\\' : chr }), '\[[:punct:]]\*') }), '\[[:punct:][:space:]]\+').'\[[:punct:][:space:]]\*'
let pat = '\V\c\^\%(\s\*'.targ.'\n\[-=]\|#\+\s\*'.targ.'\)'
let lnr = search(pat, 'cnw')
if lnr == 0
echohl ErrorMsg
echo 'target /'.targ.'/ not found'
echohl NONE
call setpos('.', pos)
return
endif
call setpos("''", pos)
call setpos('.', [bufnr(), lnr, 1, 1])
endfunction
nnoremap <buffer> <silent> K :call <sid>markdownGotoHeader()<cr>