language: node_js
os:
 - linux
node_js:
  - "14"
  - "12"
  - "10"
  - "8"
  - "6"
  - "4"
  - "0.12"
  - "0.10"
cache:
  directories:
    - node_modules
after_success:
  - npm run coveralls
before_install:
  - 'case "${TRAVIS_NODE_VERSION}" in 0.*) export NPM_CONFIG_STRICT_SSL=false ;; esac'
  - 'nvm install-latest-npm'
install:
  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ] || [ "${TRAVIS_NODE_VERSION}" = "0.9" ]; then nvm install --latest-npm 0.8 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;'
script:
  - 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi'
  - 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi'
env:
  - TEST=true
matrix:
  fast_finish: true
  include:
    - node_js: "lts/*"
      env: PRETEST=true
  allow_failures:
    - os: osx
    - node_js: "0.12"
    - node_js: "0.10"