const plugins = []; if (process.env.ENV === "production") { plugins.push(["transform-remove-console", { exclude: ["error", "warn"] }]); plugins.push("transform-remove-debugger"); } module.exports = { presets: ["@vue/cli-plugin-babel/preset"], exclude: [ /(base64.min.js). /, // Exclude filenames containing `ignoreme` /(ptt.min.js). /, // Exclude filenames containing `ignoreme` ], ignore: [ '**/ptt.min.js', // Exclude filenames containing `ignoreme` ], plugins, };