language: node_js
cache: yarn
node_js:
  - node
  - "8"
  - "6"
  - "4"
install:
  - YARN_IGNORE_ENGINES=true yarn

language: node_js
cache: yarn
node_js:
  - node
  - "9"
  - "8"
  - "6"
git:
  depth: 5

Remove Node.js 4 from Travis CI
Remove Node.js 4 from Travis CI
