Update packages

Author: Aljullu

package.json

@@ -11,24 +11,25 @@
     "babel-cli": "^6.24.1",
     "babel-core": "^6.26.0",
     "babel-eslint": "^8.2.2",
-    "babel-jest": "^22.4.0",
-    "babel-loader": "^7.1.2",
+    "babel-jest": "^22.4.1",
+    "babel-loader": "^7.1.4",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "babel-preset-react": "^6.24.1",
     "css-loader": "^0.28.10",
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.1",
-    "eslint": "^4.18.1",
-    "eslint-loader": "^1.9.0",
+    "eslint": "^4.18.2",
+    "eslint-loader": "^2.0.0",
     "eslint-plugin-babel": "^4.1.2",
     "eslint-plugin-react": "^7.7.0",
-    "jest": "^22.4.0",
+    "jest": "^22.4.2",
     "path": "^0.12.7",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
-    "style-loader": "^0.20.2",
-    "webpack": "^3.11.0"
+    "style-loader": "^0.20.3",
+    "webpack": "^4.1.1",
+    "webpack-cli": "^2.0.12"
   },
   "scripts": {
     "test": "jest",

webpack.config.js

@@ -2,6 +2,7 @@ const webpack = require('webpack');
 const path = require('path');
 
 module.exports = {
+  mode: 'production',
   entry: './src/index.js',
   output: {
     path: path.resolve(__dirname, 'build'),
@@ -36,8 +37,5 @@ module.exports = {
   externals: {
     'react': 'commonjs react',
     'react-dom': 'commonjs react-dom',
-  },
-  plugins: [
-    new webpack.optimize.UglifyJsPlugin()
-  ]
+  }
 };