npm install babel-loader@7 babel-core babel-preset-es2015 --save-dev
配置代码:
// 官网直接复制
{
test: /\.js$/,
exclude: /(node_modules|bower_components)/,//排除这些东西
use: {
loader: 'babel-loader',
options: {
presets: ['es2015']//更改
}
}
}