模块化，添加webpack支持

build/buildModule.js

@@ -0,0 +1,53 @@
+const fs = require('fs');
+const webpack = require('webpack');
+const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin');
+const root = require('./root');
+const exist = (name) => {
+    try {
+        fs.statSync(root(name));
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
+const build = async () => {
+    const modules = fs.readdirSync(root('module'));
+    const config = {
+        mode: 'production',
+        entry: {},
+        output: {
+            filename: 'module/[name].js',
+            path: root('.build')
+        },
+        target: 'node',
+        module: {},
+        plugins: [
+            new webpack.ProgressPlugin(),
+            new FriendlyErrorsPlugin(),
+        ]
+    };
+    for (let i of modules) {
+        if (!i.startsWith('.')) {
+            if (exist(`module/${i}/model.js`)) {
+                config.entry[`${i}/model`] = root(`module/${i}/model.js`);
+            }
+            if (exist(`module/${i}/handler.js`)) {
+                config.entry[`${i}/handler`] = root(`module/${i}/handler.js`);
+            }
+        }
+    }
+    const compiler = webpack(config);
+    await new Promise((resolve, reject) => {
+        compiler.run((err, stats) => {
+            if (err) {
+                console.error(err.stack || err);
+                if (err.details) console.error(err.details);
+                reject();
+            }
+            if (stats.hasErrors()) process.exitCode = 1;
+            resolve();
+        });
+    })
+}
+
+module.exports = build;