Upgrade to webpack 4.12.2 - GOOD

Author: Bryce Hill

.babelrc

@@ -4,15 +4,18 @@
     "dev": "webpack",
     "prod": "export NODE_ENV=production; webpack"
   },
+  "engine": {
+    "node": "^10.15.0"
+  },
   "devDependencies": {
-    "babel-loader": "^7.1.4",
-    "babel-preset-env": "^1.6.1",
-    "babel-preset-es2015": "^6.24.1",
-    "babel-preset-react": "^6.24.1",
-    "css-loader": "^0.28.11",
-    "mini-css-extract-plugin": "^0.4.0",
-    "webpack": "^4.6.0",
-    "webpack-cli": "^2.0.14"
+    "@babel/core": "^7.4.0",
+    "@babel/preset-env": "^7.4.2",
+    "@babel/preset-react": "^7.0.0",
+    "babel-loader": "^8.0.5",
+    "css-loader": "^2.1.1",
+    "mini-css-extract-plugin": "^0.5.0",
+    "webpack": "4.12.2",
+    "webpack-cli": "^3.3.0"
   },
   "dependencies": {
     "react": "^16.3.2",

package.json

@@ -12,11 +12,12 @@ module.exports = () => {
           {
             test: /\.js$/,
             exclude: /node_modules/,
-            use: [
-              {
-                loader: "babel-loader"
+            use: {
+              loader: 'babel-loader',
+              options: {
+                presets: ['@babel/preset-env', '@babel/react']
               }
-            ]
+            }
           },
           {
             test: /\.css$/,