language: node_js
os:
  - linux
  - osx
  - windows
node_js:
  - "0.8"
  - "0.10"
  - "0.12"
  - "iojs"
  - "4"
  - "5"
  - "6"
  - "7"
  - "8"
  - "9"
  - "10"
  - "11"
  - "12"
matrix:
  exclude:
    - os: windows
      node_js: "0.8"
before_install:
  - 'if [ $TRAVIS_NODE_VERSION == 0.8 ]; then nvm install-latest-npm; fi'