Fix breaking changes

.eslintrc

@@ -6,7 +6,8 @@
         "jsx-quotes": ["error", "prefer-double"],
         "padded-blocks": 0,
         "import/first": 0,
-        "no-return-assign": 0
+        "no-return-assign": 0,
+        "indent": ["error", 2, { "MemberExpression": 0, "SwitchCase": 1, "flatTernaryExpressions": true }],
     },
     "globals": {
         "expect": true,

package.json

@@ -27,13 +27,23 @@
   },
   "babel": {
     "presets": [
-      "es2015",
+      [
-      "es2016",
+        "@babel/preset-env",
-      "react"
+        {
+          "targets": {
+            "browsers": [
+              "last 2 versions",
+              "safari >= 7",
+              "ie >= 11"
+            ]
+          }
+        }
+      ],
+      "@babel/preset-react"
     ],
     "plugins": [
-      "transform-object-rest-spread",
+      "@babel/plugin-proposal-class-properties",
-      "transform-class-properties"
+      "@babel/plugin-proposal-object-rest-spread"
     ]
   },
   "author": "Jerko Steiner",
@@ -48,7 +58,7 @@
     "react": "^16.6.3",
     "react-dom": "^16.6.3",
     "react-redux": "^6.0.0",
-    "react-transition-group": "^2.5.1",
+    "react-transition-group": "^1.2.1",
     "redux": "^4.0.1",
     "redux-logger": "^3.0.6",
     "redux-promise-middleware": "^5.1.1",
@@ -62,13 +72,14 @@
     "uuid": "^3.3.2"
   },
   "devDependencies": {
+    "@babel/core": "^7.2.0",
+    "@babel/plugin-proposal-class-properties": "^7.2.1",
+    "@babel/plugin-proposal-object-rest-spread": "^7.2.0",
+    "@babel/preset-env": "^7.2.0",
+    "@babel/preset-react": "^7.0.0",
+    "babel-core": "^7.0.0-bridge.0",
     "babel-eslint": "^10.0.1",
     "babel-jest": "^23.6.0",
-    "babel-plugin-transform-class-properties": "^6.24.1",
-    "babel-plugin-transform-object-rest-spread": "^6.23.0",
-    "babel-preset-es2015": "^6.24.1",
-    "babel-preset-es2016": "^6.24.1",
-    "babel-preset-react": "^6.24.1",
     "babelify": "^10.0.0",
     "chastifol": "^4.1.0",
     "eslint": "^5.10.0",
@@ -82,7 +93,6 @@
     "jest-cli": "^23.6.0",
     "node-sass": "^4.11.0",
     "nodemon": "^1.18.8",
-    "react-addons-test-utils": "^15.5.1",
     "redux-mock-store": "^1.2.3",
     "supertest": "^3.0.0",
     "uglify-js": "^3.4.9",

src/client/components/Notifications.js

@@ -1,7 +1,7 @@
+import CSSTransitionGroup from 'react-transition-group/CSSTransitionGroup'
 import PropTypes from 'prop-types'
 import React from 'react'
 import classnames from 'classnames'
-import { CSSTransitionGroup } from 'react-transition-group'
 
 export const NotificationPropTypes = PropTypes.shape({
   id: PropTypes.string.isRequired,