报错：Uncaught ReferenceError: Cannot access ‘l‘ before initialization

在文件 .babelrc 或 babel.config.js ，webpack.config.js 下配置

.babel 或 babel.config.js

"plugins": [
    "@babel/plugin-transform-runtime"
]

webpack.config.js，详见 Webpack target

module.exports = {
  target: ['web', 'es5'],
}