language: node_js
node_js:
  - 4
  - 5
  - 6
after_success:
  - npm i -g coveralls
  - cat coverage/lcov.info | coveralls

language: node_js
node_js:
  - 4
  - 5
  - 6
after_success:
  - npm i -g coveralls
  - cat coverage/lcov.info | coveralls
cache:
  directories:
    - node_modules

Enable caching of node_modules directory in Travis CI
Enable caching of node_modules directory in Travis CI
