language: node_js
matrix:
  include:
    # Ubuntu 14.04
    - os: linux
      dist: trusty
      node_js:
        - "9.11.1"
      script:
        - npm run lint
        - npm test
    # macOS 10.12
    - os: osx
      osx_image: xcode8.3
      node_js:
        - "9.11.1"
      script:
        - npm run lint
        - npm test