Update webpack.

examples/webpack.config.js

@@ -3,6 +3,8 @@
 const path = require('path');
 
 module.exports = {
+  mode: 'production',
+
   devtool: 'source-map',
 
   entry: {
@@ -17,7 +19,15 @@ module.exports = {
   },
 
   module: {
-    loaders: [{test: /\.js$/, exclude: /node_modules/, loader: 'babel-loader'}],
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: {
+          loader: 'babel-loader',
+        },
+      },
+    ],
   },
 
   resolve: {

package.json

@@ -72,7 +72,7 @@
     "eslint": "^4.6.1",
     "eslint-config-airbnb": "^16.0.0",
     "eslint-config-prettier": "^2.4.0",
-    "eslint-import-resolver-webpack": "^0.8.3",
+    "eslint-import-resolver-webpack": "^0.10.0",
     "eslint-plugin-import": "^2.7.0",
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-prettier": "^2.2.0",
@@ -87,8 +87,9 @@
     "react-docs-markdown": "^0.4.0",
     "react-dom": "^16.0.0",
     "react-test-renderer": "^16.0.0",
-    "webpack": "^3.5.6",
-    "webpack-dev-server": "^2.8.1"
+    "webpack": "^4.12.0",
+    "webpack-cli": "^3.0.8",
+    "webpack-dev-server": "^3.1.4"
   },
   "config": {
     "commitizen": {