Support for deep fields (#8)

* Support for deep fields

* Updated travis.yml

Author: erikras

.babelrc

@@ -1,5 +1,31 @@
 {
   "presets": [
-    "./.babelrc.js"
+    [
+      "@babel/preset-env",
+      {
+        "loose": true,
+        "targets": {
+          "node": "8"
+        }
+      }
+    ],
+    "@babel/preset-react",
+    "@babel/preset-flow"
+  ],
+  "env": {
+    "test": {
+      "plugins": ["@babel/plugin-transform-react-jsx-source", "istanbul"]
+    }
+  },
+  "plugins": [
+    "@babel/plugin-transform-flow-strip-types",
+    "@babel/plugin-syntax-dynamic-import",
+    "@babel/plugin-syntax-import-meta",
+    "@babel/plugin-proposal-class-properties",
+    "@babel/plugin-proposal-json-strings",
+    "@babel/plugin-proposal-function-sent",
+    "@babel/plugin-proposal-export-namespace-from",
+    "@babel/plugin-proposal-numeric-separator",
+    "@babel/plugin-proposal-throw-expressions"
   ]
 }

.babelrc.js

@@ -1,18 +1,21 @@
 sudo: false
 language: node_js
+before_install:
+  - npm install -g [email protected]
 cache:
   directories:
     - node_modules
 notifications:
   email: false
 node_js:
   - '8'
+  - '9'
+  - '10'
+  - 'stable'
 script:
   - npm start validate
 after_success:
   - npx codecov
-  - npm install --global semantic-release
-  # - semantic-release pre && npm publish && semantic-release post
 branches:
   only:
     - master