Downgrading web3 and truffle-contract for better bundle size

config/webpack.config.prod.js

@@ -1,3 +1,4 @@
+const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
 const autoprefixer = require('autoprefixer');
 const cssvars = require('postcss-simple-vars');
 const webpack = require('webpack');
@@ -71,6 +72,19 @@ module.exports = {
   mode: 'production',
   // Don't attempt to continue if there are any errors.
   bail: true,
+  optimization: {
+    splitChunks: {
+      cacheGroups: {
+        vendor: {
+          test: /node_modules/,
+          name: "vendor",
+          chunks: "all",
+          enforce: true,
+          minSize: 1
+        }
+      }
+    }
+  },
   entry: [
     require.resolve('./polyfills'),
     paths.appIndexJs
@@ -163,7 +177,8 @@ module.exports = {
     // having to parse `index.html`.
     new ManifestPlugin({
       fileName: 'asset-manifest.json'
-    })
+    }),
+    // new BundleAnalyzerPlugin()
   ],
   // Some libraries import Node modules but don't use them in the browser.
   // Tell Webpack to provide empty mocks for them so importing them works.

package.json

@@ -37,6 +37,7 @@
     "dotenv": "^5.0.1",
     "extract-text-webpack-plugin": "^4.0.0-beta.0",
     "file-loader": "^1.1.11",
+    "fs-extra": "^5.0.0",
     "html-loader": "^0.5.5",
     "html-webpack-plugin": "^3.0.4",
     "json-loader": "^0.5.7",
@@ -46,10 +47,12 @@
     "react-dev-utils": "^5.0.0",
     "react-dom": "^16.2.0",
     "style-loader": "^0.20.2",
-    "truffle-contract": "^3.0.4",
+    "truffle-contract": "^1.1.8",
     "truffle-solidity-loader": "0.0.8",
     "uglifyjs-webpack-plugin": "^1.2.2",
+    "web3": "0.18.4",
     "webpack": "^4.0.0",
+    "webpack-bundle-analyzer": "^2.11.1",
     "webpack-cli": "^2.0.8",
     "webpack-dev-server": "^3.1.0",
     "webpack-manifest-plugin": "^2.0.0-rc.2"
@@ -58,7 +61,6 @@
     "final-form": "^4.2.1",
     "material-ui": "^1.0.0-beta.35",
     "material-ui-icons": "^1.0.0-beta.35",
-    "react-final-form": "^3.1.2",
-    "web3": "^1.0.0-beta.30"
+    "react-final-form": "^3.1.2"
   }
 }