language: node_js
node_js:
  - "1.8"
  - "2.5"
  - "3.3"
  - "4.8"
  - "5.12"
  - "6.10"
  - "7.6"
matrix:
  include:
    - node_js: "8.0"
      env: "NVM_NODEJS_ORG_MIRROR=https://nodejs.org/download/nightly"
  allow_failures:
    # Allow the nightly installs to fail
    - env: "NVM_NODEJS_ORG_MIRROR=https://nodejs.org/download/nightly"
sudo: false
cache:
  directories:
    - node_modules
script: "npm test"