language: node_js
node_js:
  - '4.8.3'
  - '6.10.3'
  - '7.10.0'
script:
  - npm run lint

cache: yarn
language: node_js
node_js:
  - '4.8.3'
  - '6.10.3'
  - '7.10.0'
script:
  - yarn run lint

Use yarn for Travis builds
Use yarn for Travis builds
