build/loaders/babel.js
const loader = {
test: /\.m?js$/,
exclude: [
/@babel(?:\/|\\{1,2})runtime|core-js/,
/(node_modules|bower_components)/,
],
use: {
loader: 'babel-loader',
options: {
presets: [
[
'@babel/preset-env',
{
'corejs': '3',
'useBuiltIns': 'usage',
'debug': false
},
],
],
},
},
};
module.exports = loader;