Travis: codecov

.jest.json

@@ -1,3 +1,4 @@
 {
-  "testPathIgnorePatterns": ["/src/"]
+  "testPathIgnorePatterns": ["/src/"],
+  "collectCoverageFrom": ["build/**/*.js"]  
 }

.travis.yml

@@ -25,4 +25,7 @@ deploy:
  github_token: $GITHUB_TOKEN
  local_dir: example/webapp/build
  on:
-   branch: master
+   branch: master
+after_success: 
+  - npm run test:coverage
+  - codecov

README.md

@@ -1,6 +1,7 @@
 # Redux Bluetooth
 
 [![Build Status](https://travis-ci.org/jvallelunga/redux-bluetooth.svg?branch=master)](https://travis-ci.org/jvallelunga/redux-bluetooth)
+[![codecov](https://codecov.io/gh/jvallelunga/redux-bluetooth/branch/master/graph/badge.svg)](https://codecov.io/gh/jvallelunga/redux-bluetooth)
 
 ```shell
 $ npm install redux-bluetooth

package.json

@@ -9,6 +9,7 @@
     "prebuild": "npm run eslint",
     "build": "babel src -d build",
     "test": "jest --config .jest.json",
+    "test:coverage": "npm test -- --coverage",
     "test:watch": "npm test -- --watch",
     "prepublish": "npm run build",
     "release": "np",