plugin

自定义 plugin

创建插件MyPlugin.js，内容如下：

MyPlugin.js

class MyPlugin {
  apply(compiler) {
    console.log('MyPlugin 启动')
  }
}

module.exports = MyPlugin

配置文件webpack.config.js如下：

webpack.config.js

module.exports = {
  mode: 'production',
  entry: './src/index.js',
  output: {
    clean: true
  },
  plugins: [new MyPlugin()]
}