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",
        },
      ]);
    }
  },
};