language: node_js

node_js:
  - "6"
  - "8"
  - "10"

env:
  - RUN_PHANTOMJS=0
  - RUN_PHANTOMJS=1

matrix:
  exclude:
    - node_js: "6"
      env: RUN_PHANTOMJS=1
    - node_js: "8"
      env: RUN_PHANTOMJS=1