language: node_js
node_js:
  - 9
script:
  - npm run init
  - npm run lint
  - cd smoketest && npm install && npm run build
  - npm test

language: node_js
node_js:
  - 8
script:
  - npm run init
  - npm run lint
  - cd smoketest && npm install && npm run build
  - npm test

Use Node 8 at Travis
chore: Use Node 8 at Travis
