Upgrade deps and use jest

Author: moretti

.babelrc

@@ -1,4 +1,9 @@
 {
-  "presets": ["stage-1", "es2015", "react"],
-  "plugins": ["transform-class-properties"]
+  "presets": ["env", "react"],
+  "plugins": ["transform-class-properties"],
+  "env": {
+    "production": {
+      "plugins": ["babel-plugin-add-module-exports"]
+    }
+  }
 }

.circleci/config.yml

@@ -0,0 +1,23 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node:8-browsers
+
+    steps:
+      - checkout
+
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "yarn.lock" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+
+      - run: yarn install
+
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "yarn.lock" }}
+
+      - run: yarn test

.eslintrc

@@ -17,7 +17,6 @@
   "rules": {
     "camelcase": 0,
     "no-sequences": 0,
-    "no-extra-parens": 2,
     "no-loop-func": 2,
     "require-yield": 2
   }

.gitignore

@@ -13,9 +13,6 @@ lib-cov
 # Coverage directory used by tools like istanbul
 coverage
 
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
 # node-waf configuration
 .lock-wscript
 
@@ -26,6 +23,4 @@ build/Release
 # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
 node_modules
 
-run-browserstack-tests.sh
-
-bundle.js
+lib