babel.config.js

const devPresets = ["@vue/babel-preset-app"];
const buildPresets = [
  [
    "@babel/preset-env",
    // Config for @babel/preset-env
    {
      // Example: Always transpile optional chaining/nullish coalescing
      // include: [
      //   /(optional-chaining|nullish-coalescing)/
      // ],
    },
  ],
];
module.exports = {
  presets: process.env.NODE_ENV === "development" ? devPresets : buildPresets,
};