language: node_js
node_js:
- "6"
- "8"
- "10"
cache:
  directories:
    - "node_modules"
script:
- npm run lint
- npm test

language: node_js
node_js:
- "6"
- "8"
- "10"
- "12"
cache:
  directories:
    - "node_modules"
script:
- npm run lint
- npm test

Add Node.js 12 to CI setting
Add Node.js 12 to CI setting
