let myConfig = require('./.yipack/webpack.config.my.js');
module.exports = {
    presets: [
        [
            '@babel/preset-env',
            {
                useBuiltIns: 'usage',
                corejs: '3'
            }
        ]
    ],
    plugins: [
        [
            '@babel/plugin-transform-runtime',
            {
                absoluteRuntime: false,
                corejs: 3,
                helpers: true,
                regenerator: true,
                useESModules: false
            }
        ],
        '@babel/plugin-proposal-optional-chaining',
        '@babel/plugin-proposal-nullish-coalescing-operator'
    ]
};