language: node_js
node_js:
  - "6"
  - "5"
  - "4"
after_success:
    - 'npm run coveralls'
script:
  npm run ci

language: node_js
node_js:
  - "6"
  - "5"
  - "4"
script:
  npm run ci
after_success:
  npm run coveralls
cache:
  directories:
    - node_modules

Use cache of node_modules for Travis build
Use cache of node_modules for Travis build
