添加功能：pretest discuss user dashboard statistics

build/webpack.js

@@ -0,0 +1,40 @@
+const path = require('path');
+const fs = require('fs');
+const webpack = require('webpack');
+const root = require('./root');
+const build = async (next) => {
+    const modules = fs.readdirSync(root('hydro', 'module'));
+    const config = {
+        mode: 'production',
+        entry: {
+            development: root('hydro/development.js'),
+            install: root('hydro/install.js'),
+            uninstall: root('hydro/uninstall.js')
+        },
+        output: {
+            filename: '[name].js',
+            path: root('.build')
+        },
+        target: 'node',
+        module: {}
+    };
+    for (let i of modules) {
+        if (fs.statSync(path.resolve(__dirname, 'hydro', 'module', i)).isDirectory()) {
+            config.entry[root(`.build/module/${i}`)] = root(`./hydro/module/${i}/index.js`);
+        } else {
+            config.entry[root(`.build/module/${i}`)] = root(`./hydro/module/${i}`);
+        }
+    }
+    const compiler = webpack(config);
+    function compilerCallback(err, stats) {
+        if (err) {
+            console.error(err.stack || err);
+            if (err.details) console.error(err.details);
+            process.exit(1);
+        }
+    }
+    if (!watch && stats.hasErrors()) process.exitCode = 1;
+    compiler.run(compilerCallback);
+    next({ total: 100 });
+}
+module.exports = build;