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

before_install:
  # Update npm for "prepare" script to be recognized:
  - if [ "x$TRAVIS_NODE_VERSION" == "x6" ]; then npm i -g npm; fi

language: node_js
node_js:
  - "8"
  - "10"
  - "12"

Drop Node 6 support, add Node 12 to test config
Drop Node 6 support, add Node 12 to test config
