nvf time!

modules/editors/nvf/lua/display/numbertoggle.lua

@@ -0,0 +1,30 @@
+-- alias for vim.api.nvim_create_autocmd
+local create_autocmd = vim.api.nvim_create_autocmd
+-- alias for vim.api.nvim_create_augroup
+local create_augroup = vim.api.nvim_create_augroup
+
+-- taken from https://github.com/sitiom/nvim-numbertoggle
+-- I would much rather avoid fetching yet another plugin for something
+-- that should be done locally - and not as a plugin
+local augroup = create_augroup('NumberToggle', {})
+
+create_autocmd({ 'BufEnter', 'FocusGained', 'InsertLeave', 'CmdlineLeave', 'WinEnter' }, {
+  pattern = '*',
+  group = augroup,
+  callback = function()
+    if vim.o.nu and vim.api.nvim_get_mode().mode ~= 'i' then
+      vim.opt.relativenumber = true
+    end
+  end,
+})
+
+create_autocmd({ 'BufLeave', 'FocusLost', 'InsertEnter', 'CmdlineEnter', 'WinLeave' }, {
+  pattern = '*',
+  group = augroup,
+  callback = function()
+    if vim.o.nu then
+      vim.opt.relativenumber = false
+      vim.cmd('redraw')
+    end
+  end,
+})