add codecov integration

Author: GabLeRoux

.travis.yml

@@ -9,6 +9,8 @@ install:
   - npm ci
 before_script:
   - npm run build:dev
+script:
+  - npm run test:codecov
 cache:
   directories:
     - "$HOME/.npm"

README.md

@@ -2,6 +2,8 @@
 
 [![Build Status](https://travis-ci.org/emileber/axios-middleware.svg?branch=master)](https://travis-ci.org/emileber/axios-middleware)
 [![npm version](https://badge.fury.io/js/axios-middleware.svg)](https://www.npmjs.com/package/axios-middleware)
+[![codecov](https://codecov.io/gh/emileber/axios-middleware/branch/master/graph/badge.svg)](https://codecov.io/gh/emileber/axios-middleware)
+
 
 Simple [axios](https://github.com/axios/axios) HTTP middleware service.
 

package-lock.json

@@ -23,6 +23,7 @@
         "test": "npm run lint && npm run test:unit",
         "test:unit": "npm run build:dev && jest --config test/jest.conf.js",
         "test:coverage": "npm run test:unit -- --coverage",
+        "test:codecov": "npm run test:coverage && codecov",
         "lint": "eslint src test build",
         "docs": "docsify serve ./docs"
     },
@@ -48,6 +49,7 @@
         "axios": "^0.17.1",
         "axios-mock-adapter": "^1.15.0",
         "babel-preset-env": "^1.7.0",
+        "codecov": "^3.2.0",
         "cross-env": "^5.1.6",
         "docsify-cli": "^4.2.1",
         "eslint": "^4.19.1",