Add files via upload

lua/user/functions.lua

@@ -0,0 +1,33 @@
+local M = {}
+
+function M.smart_quit()
+	local bufnr = vim.api.nvim_get_current_buf()
+	local buf_windows = vim.call("win_findbuf", bufnr)
+	local modified = vim.api.nvim_buf_get_option(bufnr, "modified")
+	if modified and #buf_windows == 1 then
+		vim.ui.input({
+			prompt = "You have unsaved changes. Quit anyway? (y/n) ",
+		}, function(input)
+			if input == "y" then
+				vim.cmd("q!")
+			end
+		end)
+	else
+		vim.cmd("q!")
+	end
+end
+
+function M.isempty(s)
+	return s == nil or s == ""
+end
+
+function M.get_buf_option(opt)
+	local status_ok, buf_option = pcall(vim.api.nvim_buf_get_option, 0, opt)
+	if not status_ok then
+		return nil
+	else
+		return buf_option
+	end
+end
+
+return M