language: node_js
node_js:
  - "4"

notifications:
  email: false

# ensure we're using the container-based infrastructure
# see https://docs.travis-ci.com/user/workers/container-based-infrastructure/#Routing-your-build-to-container-based-infrastructure
sudo: false

install:
  - npm install -g npm@^3
  - npm install

# enable firefox
before_script:
  - export DISPLAY=:99.0
  - sh -e /etc/init.d/xvfb start

script:
  # --silent surpresses that big ol' NPM script error
  - npm run-script lint  --silent
  - npm run-script test --silent

cache:
  directories:
  - node_modules

# enable native dependencies for node 4.x
# see https://docs.travis-ci.com/user/languages/javascript-with-nodejs#Node.js-v4-(or-io.js-v3)-compiler-requirements
env:
  - CXX=g++-4.8
addons:
  apt:
    sources:
      - ubuntu-toolchain-r-test
    packages:
      - g++-4.8