mirror of
https://github.com/leafOfTree/vim-vue-plugin.git
synced 2025-12-07 21:24:50 +08:00
110 lines
2.9 KiB
VimL
110 lines
2.9 KiB
VimL
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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"
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" Config {{{
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"
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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let s:use_foldexpr = !exists("g:vim_vue_plugin_use_foldexpr")
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\ || g:vim_vue_plugin_use_foldexpr == 1
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"}}}
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if !s:use_foldexpr | finish | endif
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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"
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" Settings {{{
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"
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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setlocal foldmethod=expr
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setlocal foldexpr=GetVueFold(v:lnum)
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"}}}
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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"
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" Variables {{{
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"
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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let s:empty_line = '\v^\s*$'
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let s:block_end = '\v^\s*}|]|\)'
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let s:vue_tag_start = '\v^\s*\<(script|style|template)'
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let s:vue_tag_end = '\v^\s*\<\/(script|style|template)'
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"}}}
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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"
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" Functions {{{
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"
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" see :h fold-expr
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" value meaning
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" 0 the line is not in a fold
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" 1, 2, .. the line is in a fold with this level
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" -1 the fold level is undefined, use the fold level of a
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" line before or after this line, whichever is the
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" lowest.
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" "=" use fold level from the previous line
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" "a1", "a2", .. add one, two, .. to the fold level of the previous
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" line, use the result for the current line
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" "s1", "s2", .. subtract one, two, .. from the fold level of the
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" ">1", ">2", .. a fold with this level starts at this line
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" "<1", "<2", .. a fold with this level ends at this line
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function! GetVueFold(lnum)
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let this_line = getline(a:lnum)
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let next_line = getline(a:lnum + 1)
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if a:lnum > 1
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let prev_line = getline(a:lnum - 1)
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endif
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" Empty lines
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if this_line =~ s:empty_line
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return -1
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endif
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" Vue tag
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if this_line =~ s:vue_tag_start
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return '>1'
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endif
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if this_line =~ s:vue_tag_end
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return '<1'
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endif
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" Use (indentLevel + 1) as fold level
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let this_indent = s:IndentLevel(a:lnum)
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let next_indent = s:IndentLevel(s:NextNonBlankLine(a:lnum))
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if a:lnum > 1
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let prev_indent = s:IndentLevel(a:lnum - 1)
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if this_line =~ s:block_end && (this_indent < prev_indent)
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return prev_indent
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endif
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endif
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if this_indent >= next_indent
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return this_indent
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elseif this_indent < next_indent
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return '>'.next_indent
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endif
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endfunction
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function! s:IndentLevel(lnum)
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" Add 1 to enable vue tags to fold
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return indent(a:lnum) / &shiftwidth + 1
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endfunction
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function! s:NextNonBlankLine(lnum)
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let next_line = a:lnum + 1
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let last_line = line('$')
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while next_line <= last_line
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if getline(next_line) =~ '\v\S'
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return next_line
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endif
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let next_line += 1
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endwhile
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return 0
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endfunction
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"}}}
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" vim: fdm=marker
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