配置打包分析 ​

const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

module.exports = {
  chainWebpack: (config) => {
    // 打包分析
    if (IS_PROD) {
      config.plugin('webpack-report').use(BundleAnalyzerPlugin, [
        {
          analyzerMode: 'static',
        },
      ]);
    }
  },
};