feat: code split & use react helmet

lib/webpack/server.js

@@ -0,0 +1,37 @@
+const path = require('path');
+const staticSiteGenerator = require('static-site-generator-webpack-plugin');
+const webpackNiceLog = require('webpack-nicelog');
+const createBaseConfig = require('./base');
+
+module.exports = function createProdConfig(props) {
+  const config = createBaseConfig(props, true);
+
+  config.entry('main').add(path.resolve(__dirname, '../core/serverEntry.js'));
+
+  config.target('node');
+
+  config.output.filename('server.bundle.js').libraryTarget('commonjs2');
+
+  // Workaround for Webpack 4 Bug (https://github.com/webpack/webpack/issues/6522)
+  config.output.globalObject('this');
+
+  const {siteConfig, docsData, pagesData} = props;
+
+  // static site generator webpack plugin
+  const paths = [...docsData, ...pagesData].map(data => data.path);
+  config.plugin('siteGenerator').use(staticSiteGenerator, [
+    {
+      entry: 'main',
+      locals: {
+        baseUrl: siteConfig.baseUrl
+      },
+      paths
+    }
+  ]);
+  // show compilation progress bar and build time
+  config
+    .plugin('niceLog')
+    .use(webpackNiceLog, [{name: 'Server', color: 'yellow'}]);
+
+  return config;
+};