chore: check es5

build/webpack.analyser.js

@@ -1,7 +1,7 @@
 const BundleAnalyzerPlugin =
   require('webpack-bundle-analyzer').BundleAnalyzerPlugin
 
-exports = require('./webpack.release')
+exports = require('./webpack.prod')
 
 exports.plugins.push(new BundleAnalyzerPlugin())
 

build/webpack.base.js

@@ -39,7 +39,7 @@ module.exports = {
     static: {
       directory: path.join(__dirname, '../test'),
     },
-    port: 3000,
+    port: 8080,
   },
   output: {
     path: path.resolve(__dirname, '../dist'),

build/webpack.prod.js

@@ -1,4 +1,5 @@
 const webpack = require('webpack')
+const TerserPlugin = require('terser-webpack-plugin')
 
 exports = require('./webpack.base')
 
@@ -10,5 +11,13 @@ exports.plugins = exports.plugins.concat([
     ENV: '"production"',
   }),
 ])
+exports.optimization = {
+  minimize: true,
+  minimizer: [
+    new TerserPlugin({
+      extractComments: false,
+    }),
+  ],
+}
 
 module.exports = exports