sudo: false
language: node_js
node_js:
  - 'stable'
  - '10'
  - '9'
  - '8'
  - '6'
  - '4'
  - '0.12'
  - '0.10'
  - '0.8'
before_install:
  # Old npm certs are untrusted https://github.com/npm/npm/issues/20191
  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ] || [ "${TRAVIS_NODE_VERSION}" = "0.8" ]; then export NPM_CONFIG_STRICT_SSL=false; fi'
  - 'nvm install-latest-npm'