improving startup time by using lazy loading or filetype loading

lua/config/autocmds.lua

@@ -0,0 +1,66 @@
+-- Auto-format on save
+vim.cmd [[
+  augroup FormatOnSave
+    autocmd!
+    autocmd BufWritePre * lua vim.lsp.buf.format({ async = false })
+  augroup END
+]]
+
+-- Augroup for Highlight on yank
+vim.cmd([[
+  augroup YankHighlight
+    autocmd!
+    autocmd TextYankPost * lua vim.highlight.on_yank()
+  augroup END
+]])
+
+-- Remove trailing whitespace
+vim.cmd([[
+  augroup RemoveTrailingWhitespace
+    autocmd!
+    autocmd BufWritePre * %s/\s\+$//e
+  augroup END
+]])
+
+-- Append newline at EOF, excluding YAML files
+vim.cmd([[
+  augroup append_newline_at_eof
+    autocmd!
+    autocmd BufWritePre * silent! if !empty(getline('$')) && getline('$') !~# '\n$' && &filetype != 'yaml' | call append(line('$'), '') | endif
+  augroup END
+]])
+
+local function augroup(name)
+  return vim.api.nvim_create_augroup('lazyvim_' .. name, { clear = true })
+end
+
+vim.api.nvim_create_autocmd('VimEnter', {
+  group = augroup('autoupdate'),
+  callback = function()
+    if require('lazy.status').has_updates() then
+      require('lazy').update({ show = false })
+    end
+  end,
+})
+
+vim.api.nvim_create_autocmd('User', {
+  pattern = 'LazyCheck',
+  -- pattern = "LazyVimStarted",
+  desc = 'Update lazy.nvim plugins',
+  callback = function(event)
+    local start_time = os.clock()
+    require('lazy').sync({ wait = false, show = false })
+    local end_time = os.clock()
+    print('Lazy plugins synced in ' .. (end_time - start_time) * 1000 .. 'ms')
+    print(vim.print(event))
+  end,
+})
+
+-- Automatically start insert mode in terminal buffers
+vim.cmd([[
+  autocmd TermOpen * startinsert
+  autocmd TermOpen * setlocal nonumber norelativenumber
+  autocmd TermOpen * normal! G
+  autocmd TermOpen * tnoremap <Esc> <C-\><C-n>
+]])
+