1.weboack.config.js
{
    test: /\.js$/,
    exclude: /node_modules/,
    loader: "babel-loader",
    query: {
        presets: ["es2015", "babel"]
    }
},2.common.js
var font={
    remFont:function(){
        alert(1)
    }
}
export default font3.jsx
import font from "../common.js"I wanted to introduce a public js file into the jsx file, but now the page error is
  
 
what I found was that the babel in webpack.config was changed to babel-loader, but my webpack.config was babel-loader from the beginning. May I ask what caused this?
