Update babel

.babelrc

@@ -1,13 +1,9 @@
 {
   "presets": [
-    "env",
-    "react",
-    "stage-0"
+    "@babel/preset-env",
+    "@babel/preset-react"
   ],
   "plugins": [
-    "transform-class-properties",
-    "transform-decorators",
-    "transform-react-constant-elements",
-    "transform-react-inline-elements"
+    "@babel/plugin-proposal-class-properties",
   ]
 }

example/package.json

@@ -12,23 +12,21 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.3",
-    "babel-env": "^2.4.1",
-    "babel-loader": "^7.1.4",
-    "babel-preset-env": "^1.7.0",
-    "babel-preset-react": "^6.24.1",
-    "babel-preset-stage-0": "^6.24.1",
-    "css-loader": "^1.0.1",
-    "file-loader": "^2.0.0",
-    "monaco-editor-webpack-plugin": "^1.6.0",
+    "@babel/core": "^7.5.5",
+    "@babel/plugin-proposal-class-properties": "^7.5.5",
+    "@babel/preset-env": "^7.5.5",
+    "@babel/preset-react": "^7.0.0",
+    "babel-loader": "^8.0.6",
+    "css-loader": "^3.1.0",
+    "file-loader": "^4.1.0",
+    "monaco-editor-webpack-plugin": "^1.7.0",
     "style-loader": "^0.23.1",
-    "webpack": "^4.25.1",
-    "webpack-cli": "^3.1.2",
-    "webpack-dev-server": "^3.1.10"
+    "webpack": "^4.36.1",
+    "webpack-cli": "^3.3.6",
+    "webpack-dev-server": "^3.7.2"
   },
   "dependencies": {
-    "react": "~16.8.6",
+    "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-monaco-editor": "latest"
   }

example/webpack.config.js

@@ -20,7 +20,18 @@ module.exports = {
       {
         test: /\.(js|jsx)$/,
         exclude: /node_modules/,
-        use: [{ loader: 'babel-loader' }]
+        use: [{
+          loader: 'babel-loader',
+          options: {
+            presets: [
+              '@babel/preset-env',
+              '@babel/preset-react'
+            ],
+            plugins: [
+              '@babel/plugin-proposal-class-properties',
+            ]
+          }
+        }]
       },
       {
         test: /\.css$/,