build: split chunk (#4303)

build/webpack.site.dev.js

@@ -0,0 +1,46 @@
+const path = require('path');
+const merge = require('webpack-merge');
+const config = require('./webpack.base');
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+
+module.exports = merge(config, {
+  entry: {
+    'vant-docs': './docs/site/desktop/main.js',
+    'vant-mobile': './docs/site/mobile/main.js'
+  },
+  devServer: {
+    open: true,
+    progress: true,
+    host: '0.0.0.0',
+    stats: 'errors-only'
+  },
+  output: {
+    path: path.join(__dirname, '../docs/dist'),
+    publicPath: '/',
+    chunkFilename: 'async_[name].js'
+  },
+  optimization: {
+    splitChunks: {
+      cacheGroups: {
+        chunks: {
+          chunks: 'all',
+          minChunks: 2,
+          minSize: 0,
+          name: 'chunks'
+        }
+      }
+    }
+  },
+  plugins: [
+    new HtmlWebpackPlugin({
+      chunks: ['chunks', 'vant-docs'],
+      template: path.join(__dirname, '../docs/site/desktop/index.html'),
+      filename: 'index.html'
+    }),
+    new HtmlWebpackPlugin({
+      chunks: ['chunks', 'vant-mobile'],
+      template: path.join(__dirname, '../docs/site/mobile/index.html'),
+      filename: 'mobile.html'
+    })
+  ]
+});