ref(nvim): vimscript func to lua

sub/nvim/lua/base/maps.lua

@@ -4,30 +4,15 @@ local keymap = vim.keymap
 vim.g.mapleader = ','
 
 
-vim.api.nvim_exec([[
-    " like tabdo but restore the current tab
-    function! TabDo(command)
-        let currTab=tabpagenr()
-        execute 'tabdo ' . a:command
-        execute 'tabn ' . currTab
-    endfunction
+function create_function_tabdo(command)
+    return function()
+        local currTab = vim.fn.tabpagenr()
+        vim.cmd(string.format([[tabdo %s]], command))
+        vim.cmd(string.format([[tabn %s]], currTab))
+    end
+end
 
-    " like bufdo but restore the current buffer
-    function! BufDo(command)
-      let currBuff=bufnr("%")
-      execute 'bufdo ' . a:command
-      execute 'buffer ' . currBuff
-    endfunction
-
-    " like windo but restore the current window
-    function! WinDo(command)
-      let currwin=winnr()
-      execute 'windo ' . a:command
-      execute currwin . 'wincmd w'
-    endfunction
-]], true)
-
-keymap.set('n', '<Leader>c', [[:call TabDo('set cursorline!')<CR>]], {silent = true})
+keymap.set('n', '<Leader>c', create_function_tabdo('set cursorline!'), {silent = true})
 
 keymap.set('n', '<Leader>/', [[:set invhlsearch<CR>]], {silent = true})
 
@@ -92,18 +77,34 @@ function create_autocmd_filetype(func)
     )
 end
 
-function create_func(ft, cmd)
-    return function()
-        if vim.bo.filetype == ft then
+function set_keymap_run_script(cmd)
     cmd_string = string.format([[:tabnew %% <CR> :terminal %s %% <CR> :set nocursorline number norelativenumber <CR> G <CR>]], cmd)
     keymap.set("n", "<Leader>rr", cmd_string, {silent = true})
 end
+
+function create_function_create_autocmd_filetype(ft, cmd)
+    return function()
+        if vim.bo.filetype == ft then
+            set_keymap_run_script(cmd)
+        end
     end
 end
 
-create_autocmd_filetype(create_func('python', 'python3'))
-create_autocmd_filetype(create_func('go', 'go run'))
-create_autocmd_filetype(create_func('rust', 'cargo run'))
+function create_function_create_autocmd_filename(fn, cmd)
+    return function()
+        if vim.fn.expand('%:t') == fn then
+            set_keymap_run_script(cmd)
+        end
+    end
+end
+
+
+create_autocmd_filetype(create_function_create_autocmd_filetype('python', 'python3'))
+create_autocmd_filetype(create_function_create_autocmd_filetype('go', 'go run'))
+create_autocmd_filetype(create_function_create_autocmd_filetype('rust', 'cargo run'))
+create_autocmd_filetype(create_function_create_autocmd_filetype('markdown', 'glow'))
+
+create_autocmd_filetype(create_function_create_autocmd_filename('manpage', 'man -P cat -l'))
 
 
 
@@ -112,23 +113,26 @@ create_autocmd_filetype(create_func('rust', 'cargo run'))
 vim.opt.number = true
 vim.opt.relativenumber = true
 
-vim.api.nvim_exec([[
-function! ToggleRelativeAbsoluteNumber()
-  if !&number && !&relativenumber
-      set number
-      set norelativenumber
-  elseif &number && !&relativenumber
-      set nonumber
-      set relativenumber
-  elseif !&number && &relativenumber
-      set number
-      set relativenumber
-  elseif &number && &relativenumber
-      set nonumber
-      set norelativenumber
-  endif
-endfunction
-]], true)
+
+function toggle_number_style()
+
+    local number = vim.opt.number["_value"]
+    local relativenumber = vim.opt.relativenumber["_value"]
+
+    if (not number) and (not relativenumber) then
+        vim.opt.number = true
+        vim.opt.relativenumber = false
+    elseif (number) and (not relativenumber) then
+        vim.opt.number = false
+        vim.opt.relativenumber = true
+    elseif (not number) and (relativenumber) then
+        vim.opt.number = true
+        vim.opt.relativenumber = true
+    elseif (number) and (relativenumber) then
+        vim.opt.number = false
+        vim.opt.relativenumber = false
+    end
+end
 
 -- Toggle line number style
-keymap.set('n', '<Leader>l', [[:call TabDo('call ToggleRelativeAbsoluteNumber()') <CR>]], {silent = true})
+keymap.set('n', '<Leader>l', create_function_tabdo('lua toggle_number_style()'), {silent = true})