.travis.yml

language: node_js
node_js:
  - '12'
  - '10'
  - '8'
  - '6'
  - '4'

os: linux

env:
  - ESLINT_VERSION=6
  - ESLINT_VERSION=5
  - ESLINT_VERSION=4
  - ESLINT_VERSION=3
  - ESLINT_VERSION=2

# osx backlog is often deep, so to be polite we can just hit these highlights
matrix:
  include:
  - env: PACKAGE=resolvers/node
    node_js: 12
  - env: PACKAGE=resolvers/node
    node_js: 10
  - env: PACKAGE=resolvers/node
    node_js: 8
  - env: PACKAGE=resolvers/node
    node_js: 6
  - env: PACKAGE=resolvers/node
    node_js: 4
  - env: PACKAGE=resolvers/webpack
    node_js: 12
  - env: PACKAGE=resolvers/webpack
    node_js: 10
  - env: PACKAGE=resolvers/webpack
    node_js: 8
  - env: PACKAGE=resolvers/webpack
    node_js: 6
  - env: PACKAGE=resolvers/webpack
    node_js: 4

  - os: osx
    env: ESLINT_VERSION=5
    node_js: 12
  - os: osx
    env: ESLINT_VERSION=5
    node_js: 10
  - os: osx
    env: ESLINT_VERSION=4
    node_js: 8
  - os: osx
    env: ESLINT_VERSION=3
    node_js: 6
  - os: osx
    env: ESLINT_VERSION=2
    node_js: 4

  exclude:
  - node_js: '4'
    env: ESLINT_VERSION=5
  - node_js: '4'
    env: ESLINT_VERSION=6
  - node_js: '6'
    env: ESLINT_VERSION=6

  fast_finish: true
  allow_failures:
  # issues with TypeScript deps in this version intersection
  - node_js: '4'
    env: ESLINT_VERSION=4

before_install:
  - 'nvm install-latest-npm'
  - 'if [ -n "${PACKAGE-}" ]; then cd "${PACKAGE}"; fi'
install:
  - npm install
  - 'if [ -n "${ESLINT_VERSION}" ]; then ./tests/dep-time-travel.sh; fi'

script:
  - 'npm test'

after_success:
  - npm run coveralls