ci(coverage): use coveralls instead of codecov

.travis.yml

@@ -4,50 +4,39 @@ node_js:
 branches:
   except:
     - /^v\d+\.\d+\.\d+$/
+after_success:
+  - cat ./coverage/lcov.info | npx coveralls
 jobs:
   include:
     - stage: test
-      after_success: npx codecov -F latest
 
     - stage: mongoose
       env: MONGOOSE_VERSION="5.0.0"
       before_script: npm install mongoose@"$MONGOOSE_VERSION"
-      after_success: npx codecov -F mongoose_5
     - env: MONGOOSE_VERSION="^4.0.0"
       before_script: npm install mongoose@"$MONGOOSE_VERSION"
-      after_success: npx codecov -F mongoose_4
     - env: MONGOOSE_VERSION="4.0.4"
       before_script: npm install mongoose@"$MONGOOSE_VERSION"
-      after_success: npx codecov -F mongoose_4
     - env: MONGOOSE_VERSION="~3.8.0"
       before_script: npm install mongoose@"$MONGOOSE_VERSION"
-      after_success: npx codecov -F mongoose_3
     - env: MONGOOSE_VERSION="3.2.2"
       before_script: npm install mongoose@"$MONGOOSE_VERSION"
-      after_success: npx codecov -F mongoose_3
 
     - stage: normalizr
       env: NORMALIZR_VERSION="3.0.0"
       before_script: npm install normalizr@"$NORMALIZR_VERSION"
-      after_success: npx codecov -F normalizr_3
     - env: NORMALIZR_VERSION="^2.0.0"
       before_script: npm install normalizr@"$NORMALIZR_VERSION"
-      after_success: npx codecov -F normalizr_2
     - env: NORMALIZR_VERSION="2.0.0"
       before_script: npm install normalizr@"$NORMALIZR_VERSION"
-      after_success: npx codecov -F normalizr_2
     - env: NORMALIZR_VERSION="^1.0.0"
       before_script: npm install normalizr@"$NORMALIZR_VERSION"
-      after_success: npx codecov -F normalizr_1
     - env: NORMALIZR_VERSION="1.0.0"
       before_script: npm install normalizr@"$NORMALIZR_VERSION"
-      after_success: npx codecov -F normalizr_1
     - env: NORMALIZR_VERSION="^0.1.1"
       before_script: npm install normalizr@"$NORMALIZR_VERSION"
-      after_success: npx codecov -F normalizr_0
     - env: NORMALIZR_VERSION="0.1.1"
       before_script: npm install normalizr@"$NORMALIZR_VERSION"
-      after_success: npx codecov -F normalizr_0
 
     - stage: release
       if: branch = master

README.md

@@ -1,6 +1,6 @@
 [![current version](https://img.shields.io/npm/v/mongoose-normalizr.svg)](https://www.npmjs.com/package/mongoose-normalizr)
 [![Build Status](https://travis-ci.org/saiichihashimoto/mongoose-normalizr.svg?branch=master)](https://travis-ci.org/saiichihashimoto/mongoose-normalizr)
-[![codecov](https://codecov.io/gh/saiichihashimoto/mongoose-normalizr/branch/master/graph/badge.svg)](https://codecov.io/gh/saiichihashimoto/mongoose-normalizr)
+[![Coverage Status](https://coveralls.io/repos/github/saiichihashimoto/mongoose-normalizr/badge.svg?branch=master)](https://coveralls.io/github/saiichihashimoto/mongoose-normalizr?branch=master)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
 [![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
 [![Greenkeeper badge](https://badges.greenkeeper.io/saiichihashimoto/mongoose-normalizr.svg)](https://greenkeeper.io/)