upgrade dev dep: babel

Author: pocketjoso

.babelrc

@@ -1,13 +1,10 @@
 {
   "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-transform-react-constant-elements",
+    "@babel/plugin-transform-react-inline-elements"
   ]
 }

package.json

@@ -32,11 +32,12 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-env": "^2.4.1",
-    "babel-loader": "^7.1.4",
-    "babel-preset-react": "^6.24.1",
-    "babel-preset-stage-0": "^6.24.1",
+    "@babel/cli": "^7.6.2",
+    "@babel/core": "^7.6.2",
+    "@babel/plugin-transform-react-constant-elements": "^7.6.0",
+    "@babel/plugin-transform-react-inline-elements": "^7.2.0",
+    "@babel/preset-env": "^7.6.2",
+    "@babel/preset-react": "^7.0.0",
     "husky": "^3.0.7",
     "lint-staged": "^9.4.1",
     "prettier": "^1.18.2",
@@ -54,12 +55,5 @@
   },
   "files": [
     "lib/**/*.js"
-  ],
-  "babel": {
-    "presets": [
-      "react",
-      "env",
-      "stage-0"
-    ]
-  }
+  ]
 }