Add coveralls integration

Author: Michal Vlasák

.travis.yml

@@ -8,4 +8,6 @@ node_js:
 script:
 - npm run lint
 - npm run build
-- npm run test
+- npm run test
+- npm run test:coverage
+- npm run test:coveralls

README.md

@@ -2,6 +2,10 @@
 
 [![Npm](https://img.shields.io/npm/v/cosmas.svg?style=flat-square)](https://www.npmjs.com/package/cosmas)
 [![License](https://img.shields.io/github/license/AckeeCZ/cosmas.svg?style=flat-square)](https://github.com/AckeeCZ/cosmas/blob/master/LICENSE)
+[![Dependencies](https://img.shields.io/david/AckeeCZ/cosmas.svg?style=flat-square)](https://david-dm.org/AckeeCZ/cosmas)	
+[![Dev dependencies](https://img.shields.io/david/dev/AckeeCZ/cosmas.svg?style=flat-square)](https://david-dm.org/AckeeCZ/cosmas)	
+[![Downloads](https://img.shields.io/npm/dw/cosmas.svg?style=flat-square)](https://www.npmjs.com/package/cosmas)
+[![Prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 
 Simple pino-based logger for all your writing needs
 

package.json

@@ -8,6 +8,8 @@
     "lint-staged": "lint-staged",
     "test": "NODE_ENV= jest",
     "test-watch": "NODE_ENV= jest --watch",
+    "test:coverage": "npm run test -- --collectCoverage",
+    "test:coveralls": "cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js",
     "lint": "tslint -p . --force --format codeFrame; exit 0",
     "pretty": "prettier --parser typescript --write 'src/*.ts'",
     "precommit": "lint-staged && npm test",
@@ -52,6 +54,7 @@
     "@types/node": "^10.12.0",
     "@types/on-finished": "^2.3.1",
     "@types/on-headers": "^1.0.0",
+    "coveralls": "^3.0.2",
     "express": "^4.16.3",
     "husky": "^0.14.3",
     "jest": "^23.6.0",