1 files changed, 47 insertions, 0 deletions
diff --git a/.config/nvim/lua/init/02-commands.lua b/.config/nvim/lua/init/02-commands.lua
new file mode 100644
index 0000000..541e8da
--- /dev/null
+++ b/.config/nvim/lua/init/02-commands.lua
@@ -0,0 +1,47 @@
+local F = vim.fn
+local C = vim.api.nvim_create_user_command
+
+
+-- :Reverse {{{1
+
+-- Reverse a selected range in line-wise.
+-- Note: directly calling `g/^/m` will overwrite the current search pattern with
+-- '^' and highlight it, which is not expected.
+-- :h :keeppatterns
+C(
+   'Reverse',
+   'keeppatterns <line1>,<line2>g/^/m<line1>-1',
+   {
+      desc = 'Reverse lines',
+      bar = true,
+      range = '%',
+   }
+)
+
+
+-- :SmartTabEdit {{{1
+
+-- If the current buffer is empty, open a file with the current window;
+-- otherwise open a new tab.
+C(
+   'SmartTabEdit',
+   function(opts)
+      local is_empty_buffer = (
+         F.bufname() == ''
+         and not vim.bo.modified
+         and F.line('$') <= 1
+         and F.getline('.') == ''
+      )
+
+      if is_empty_buffer then
+         vim.cmd(mods .. ' edit ' .. args)
+      else
+         vim.cmd(mods .. ' tabedit ' .. args)
+      end
+   end,
+   {
+      desc = 'Smartly open a file',
+      nargs = '*',
+      complete = 'file',
+   }
+)