webpack4 大纲概论-entry-points（二）

https://v4.webpack.js.org/concepts/entry-points/
entry

module.exports = {
  entry: {
    main: './path/to/my/entry/file.js'
  }
};

简写为：

module.exports = {
  entry: './path/to/my/entry/file.js'
};

多入口：

module.exports = {
  entry: {
    app: './src/app.js',
    adminApp: './src/adminApp.js'
  }
};