language: node_js
node_js:
  - '0.10'
  - '0.12'
  - '4'
  - '5'
  - '6'
  - '7'
sudo: false
before_install:
  sh -c 'npm install phantomjs-prebuilt@$PHANTOMJS || npm install phantomjs@$PHANTOMJS'
env:
  - PHANTOMJS=1
  - PHANTOMJS=2