1 files changed, 83 insertions, 0 deletions
diff --git a/lua/config/autocmds.lua b/lua/config/autocmds.lua
new file mode 100644
index 0000000..247f152
--- /dev/null
+++ b/lua/config/autocmds.lua
@@ -0,0 +1,83 @@
+local autocmd = vim.api.nvim_create_autocmd
+local function augroup(name)
+	return vim.api.nvim_create_augroup("user_" .. name, { clear = true })
+end
+
+-- [[ Highlight on yank ]]
+autocmd("TextYankPost", {
+	group = augroup("highlight_yank"),
+	callback = function()
+		vim.highlight.on_yank()
+	end,
+})
+
+-- [[ Auto create parent directory if it doesn't exist ]]
+autocmd("BufWritePre", {
+	group = augroup("auto_create_dir"),
+	callback = function(event)
+		if event.match:match("^%w%w+://") then
+			return
+		end
+		local file = vim.loop.fs_realpath(event.match) or event.match
+		vim.fn.mkdir(vim.fn.fnamemodify(file, ":p:h"), "p")
+	end,
+})
+
+-- Run gofmt + goimports on save
+local format_sync_grp = vim.api.nvim_create_augroup("goimports", {})
+autocmd("BufWritePre", {
+	pattern = "*.go",
+	callback = function()
+		require("go.format").goimports()
+	end,
+	group = format_sync_grp,
+})
+
+autocmd("TermOpen", {
+	callback = function()
+		local o = vim.opt_local
+		o.signcolumn = "no"
+		o.number = false
+		o.relativenumber = false
+		vim.cmd("startinsert")
+		vim.keymap.set("t", "<Esc>", "<C-\\><C-n>", { noremap = true })
+	end,
+})
+-- -- close automatically when shell process exits
+-- -- TODO: does not work
+-- autocmd("TermClose", {
+-- 	callback = function()
+-- 		vim.cmd("bdelete")
+-- 	end,
+-- })
+vim.keymap.set("n", "!", "<cmd>sp<CR><cmd>term<CR>", { desc = "Open terminal" })
+
+-- [[ preserve last position ]]
+autocmd("BufReadPost", {
+	pattern = "*",
+	command = 'silent! normal! g`"zv',
+})
+
+-- [[ no cursorline in insert mode ]]
+local cursorGrp = augroup("CursorLine")
+autocmd({ "InsertLeave", "WinEnter" }, {
+	pattern = "*",
+	command = "set cursorline",
+	group = cursorGrp,
+	desc = "show cursor line only in active window",
+})
+autocmd({ "InsertEnter", "WinLeave" }, { pattern = "*", command = "set nocursorline", group = cursorGrp })
+
+-- [[ spellchecker activated in txt files ]]
+autocmd(
+	{ "BufRead", "BufNewFile" },
+	-- { pattern = { "*.txt", "*.md", "*.tex" }, command = [[setlocal spell<cr> setlocal spelllang=en,de<cr>]] }
+	{
+		pattern = { "*.txt" },
+		callback = function()
+			vim.opt.spell = true
+			vim.opt.spelllang = "en"
+		end,
+		desc = "Enable spell checking for certain file types",
+	}
+)