add: auto cmd for create folder and file

lua/custom/autocmd.lua

@@ -16,3 +16,18 @@ local term_program = vim.fn.getenv("TERM_PROGRAM")
 if term_program == "WezTerm" then
 	vim.cmd('silent !wezterm cli set-tab-title "' .. _get_folder_name() .. '"')
 end
+
+-- vim.cmd([[
+--   function s:MkNonExDir(file, buf)
+--     if empty(getbufvar(a:buf, '&buftype')) && a:file!~#'\v^\w+\:\/'
+--         let dir=fnamemodify(a:file, ':h')
+--         if !isdirectory(dir)
+--             call mkdir(dir, 'p')
+--         endif
+--     endif
+--     endfunction
+--     augroup BWCCreateDir
+--     autocmd!
+--     autocmd BufWritePre * :call s:MkNonExDir(expand('<afile>'), +expand('<abuf>'))
+--   augroup END
+-- ]])

lua/user/autocommands.lua

@@ -43,6 +43,19 @@ vim.cmd([[
     " allows you to use Ctrl-c on terminal window
     autocmd TermOpen * nnoremap <buffer> <C-c> i<C-c>
   augroup END
+
+  function s:MkNonExDir(file, buf)
+    if empty(getbufvar(a:buf, '&buftype')) && a:file!~#'\v^\w+\:\/'
+        let dir=fnamemodify(a:file, ':h')
+        if !isdirectory(dir)
+            call mkdir(dir, 'p')
+        endif
+    endif
+    endfunction
+    augroup BWCCreateDir
+    autocmd!
+    autocmd BufWritePre * :call s:MkNonExDir(expand('<afile>'), +expand('<abuf>'))
+  augroup END
 ]])
 
 -- for fix error last close buffer