feat(guide): rewrite leader guide in lua

bundle/neodev.nvim/types/nightly/vim.fn.lua

@@ -5655,7 +5655,7 @@ function vim.fn.matchadd(group, pattern, priority, id, dict) end
 -- ```vim
 --   GetGroup()->matchaddpos([23, 11])
 -- ```
---- @param pos number
+--- @param pos number|table
 --- @param priority? any
 --- @param id? any
 --- @param dict? table<string, any>

lua/spacevim/api/vim.lua

@@ -23,6 +23,10 @@ function M.getchar(...)
   end
 end
 
+function M.setbufvar(buf, opts)
+  
+end
+
 function M.getchar2nr(...)
   local status, ret = pcall(vim.fn.getchar, ...)
   if not status then

lua/spacevim/api/vim/buffer.lua

@@ -8,6 +8,10 @@
 
 local M = {}
 
+function M.create_buf(listed, scratch)
+  return vim.api.nvim_create_buf(listed, scratch)
+end
+
 function M.set_lines(bufnr, startindex, endindex, replacement)
     if startindex < 0 then
         startindex = #vim.buffer(bufnr) + 1 + startindex

lua/spacevim/api/vim/keys.lua

@@ -1,18 +1,48 @@
 --!/usr/bin/lua
 local M = {}
 
+local specified_keys = {}
 
 function M.t(str)
-    if vim.api ~= nil and vim.api.nvim_replace_termcodes ~= nil then
-        -- https://github.com/neovim/neovim/issues/17369
-        local ret = vim.api.nvim_replace_termcodes(str, false, true, true):gsub("\128\254X", "\128")
-        return ret
+  if vim.api ~= nil and vim.api.nvim_replace_termcodes ~= nil then
+    -- https://github.com/neovim/neovim/issues/17369
+    local ret = vim.api.nvim_replace_termcodes(str, false, true, true):gsub('\128\254X', '\128')
+    return ret
+  else
+    -- local ret = vim.fn.execute('echon "\\' .. str .. '"')
+    -- ret = ret:gsub('<80>', '\128')
+    -- return ret
+    return vim.eval(string.format('"\\%s"', str))
+  end
+end
+
+function M.char2name(c)
+  if #c == 1 then
+    return M.nr2name(vim.fn.char2nr(c))
+  end
+  return specified_keys[c] or c
+end
+
+function M.nr2name(nr)
+  if type(nr) == 'number' then
+    if nr == 32 then
+      return 'SPC'
+    elseif nr == 4 then
+      return '<C-d>'
+    elseif nr == 3 then
+      return '<C-c>'
+    elseif nr == 9 then
+      return '<Tab>'
+    elseif nr == 92 then
+      return '<Leader>'
+    elseif nr == 27 then
+      return '<Esc>'
     else
-        -- local ret = vim.fn.execute('echon "\\' .. str .. '"')
-        -- ret = ret:gsub('<80>', '\128')
-        -- return ret
-        return vim.eval(string.format('"\\%s"', str))
+      return vim.fn.nr2char(nr)
     end
+  else
+    return specified_keys[nr] or ''
+  end
 end
 
 return M