refactor config

config/astronvim/lua/user/polish.lua

@@ -0,0 +1,35 @@
+return function()
+	local function alpha_on_bye(cmd)
+		local bufs = vim.fn.getbufinfo({ buflisted = true })
+		vim.cmd(cmd)
+		if require("core.utils").is_available("alpha-nvim") and not bufs[2] then
+			require("alpha").start(true)
+		end
+	end
+
+	vim.keymap.del("n", "<leader>C")
+
+	if require("core.utils").is_available("bufdelete.nvim") then
+		vim.keymap.set("n", "<leader>C", function()
+			alpha_on_bye("Bdelete!")
+		end, { desc = "Close buffer" })
+	else
+		vim.keymap.set("n", "<leader>C", function()
+			alpha_on_bye("bdelete!")
+		end, { desc = "Close buffer" })
+	end
+
+	vim.api.nvim_create_autocmd({
+		"BufEnter",
+		"BufAdd",
+		"BufNew",
+		"BufNewFile",
+		"BufWinEnter",
+	}, {
+		group = vim.api.nvim_create_augroup("TS_FOLD_WORKAROUND", {}),
+		callback = function()
+			vim.opt.foldmethod = "expr"
+			vim.opt.foldexpr = "nvim_treesitter#foldexpr()"
+		end,
+	})
+end