nuwiki/lua/nuwiki/config.lua

-- lua/nuwiki/config.lua — defaults and user-config merge.
--
-- Keep this aligned with `doc/nuwiki.txt`.

local M = {}

M.defaults = {
  -- Single-wiki shorthand. The server desugars these into a
  -- one-entry `wikis = {…}` list. Use either this or the multi-wiki
  -- form below; if both are set, `wikis` wins.
  wiki_root      = '~/vimwiki',
  file_extension = '.wiki',
  syntax         = 'vimwiki',
  log_level      = 'warn',

  -- Prefix for the global/buffer wiki command family (`<prefix>w`,
  -- `<prefix>t`, `<prefix><Leader>w`, …). Mirrors vimwiki's
  -- `g:vimwiki_map_prefix`. Vim users set `g:nuwiki_map_prefix` instead.
  map_prefix     = '<Leader>w',

  -- Multi-wiki shape. Each entry honours every per-wiki key the
  -- server understands. Leave nil to fall through to the shorthand
  -- above.
  --
  -- Per-wiki keys (all optional, server defaults documented in
  -- `doc/nuwiki.txt`):
  --   name, root, file_extension, syntax, index
  --   diary_rel_path, diary_index, diary_frequency,
  --   diary_weekly_style, diary_start_week_day,
  --   diary_caption_level, diary_sort, diary_header
  --   html_path, template_path, template_default, template_ext,
  --   template_date_format, css_name, auto_export, auto_toc,
  --   auto_generate_links, auto_generate_tags, auto_diary_index,
  --   html_filename_parameterization, exclude_files, color_dic,
  --   custom_wiki2html, custom_wiki2html_args, base_url,
  --   toc_header, toc_header_level, links_header, links_header_level,
  --   tags_header, tags_header_level,
  --   listsyms, listsym_rejected, listsyms_propagate, list_margin,
  --   links_space_char
  wikis = nil,

  -- Per-buffer glue. Each subgroup mirrors vimwiki's
  -- `g:vimwiki_key_mappings` shape and can be flipped off
  -- independently to suppress that group of keymaps.
  -- The <Leader>w prefix in wiki_prefix/links/html_export follows map_prefix.
  mappings = {
    enabled       = true,
    wiki_prefix   = true,  -- <Leader>w{w,t,s,i}, <Leader>w<Leader>{w,y,t,m,i}
    links         = true,  -- <CR>, <S-CR>, <C-CR>, <C-S-CR>, <D-CR>, <M-CR>, <BS>, <Tab>, <S-Tab>, + (n/x), <Leader>w{n,d,r}, <Leader>wc (n/x)
    lists         = true,  -- <C-Space>, gnt, gln, glp, glx, glh, gll, gLh, gLl, glr, gLr, gl{-,*,#,1,i,I,a,A}, gL{…}, gl, gL, o, O; insert <C-D>, <C-T>, <C-L><C-J/K/M>, <CR>
    headers       = true,  -- =, -, ]], [[, ]=, [=, ]u, [u
    table_editing = true,  -- gqq, gq1, gww, gw1, <A-Left>, <A-Right>; insert <Tab>, <S-Tab>
    diary         = true,  -- <C-Down>, <C-Up>
    html_export   = true,  -- <Leader>wh, <Leader>whh, <Leader>wha
    text_objects  = true,  -- ah, ih, aH, iH, al, il, a\, i\, ac, ic
    mouse         = false, -- <2-LeftMouse>, <S-2-LeftMouse>, <C-2-LeftMouse>, <MiddleMouse>, <RightMouse> (opt-in)
  },

  -- Folding. `'lsp'` uses the server's `foldingRange`
  -- provider (Neovim 0.11+ wires it automatically). `'expr'` falls
  -- back to a regex-based `foldexpr`. `'off'` skips folding setup.
  folding = 'lsp',

  -- Broken-link diagnostic severity. Sent to the server, which downgrades
  -- or suppresses the diagnostic accordingly.
  --   'off' | 'hint' | 'warn' | 'error'
  diagnostic = {
    link_severity = 'warn',
  },
}

M.options = vim.deepcopy(M.defaults)

function M.apply(user)
  M.options = vim.tbl_deep_extend('force', M.defaults, user or {})
end

-- Resolve the config for wiki #n (0-based) without touching the LSP.
-- Priority: setup() opts.wikis → g:nuwiki_wikis (VimL) → scalar opts/g: vars.
-- Returns { name, root, ext, idx, diary_rel, diary_idx }.
function M.wiki_cfg(n)
  local opts  = M.options
  local wikis = opts.wikis or vim.g.nuwiki_wikis or nil
  local w     = wikis and wikis[(n or 0) + 1] or nil
  local root  = (w and w.root) or opts.wiki_root or vim.g.nuwiki_wiki_root or '~/vimwiki'
  local ext   = (w and w.file_extension) or opts.file_extension or vim.g.nuwiki_file_extension or '.wiki'
  if not ext:match('^%.') then ext = '.' .. ext end
  return {
    name      = (w and w.name) or vim.fn.fnamemodify(vim.fn.expand(root), ':t'),
    root      = root,
    ext       = ext,
    idx       = (w and w.index) or 'index',
    diary_rel = (w and w.diary_rel_path) or vim.g.nuwiki_diary_rel_path or 'diary',
    diary_idx = (w and w.diary_index) or 'diary',
  }
end

-- The full list of configured wikis as wiki_cfg dicts. Falls back to a single
-- entry built from the scalar wiki_root config when no list is configured.
function M.wiki_list()
  local wikis = M.options.wikis or vim.g.nuwiki_wikis or nil
  local list = {}
  if type(wikis) == 'table' and #wikis > 0 then
    for i = 1, #wikis do
      list[i] = M.wiki_cfg(i - 1)
    end
  else
    list[1] = M.wiki_cfg(0)
  end
  return list
end

return M