config.yml

version: 2

workflows:
  version: 2
  chromeless:
    jobs:
      - build_node_6
      - build_node_8
      - release:
          requires:
            - build_node_6
            - build_node_8
          filters:
            branches:
              only: master

restore_cache: &restore_cache
  restore_cache:
    keys:
      - npm-cache-{{ checksum "package-lock.json" }}

save_cache: &save_cache
  save_cache:
    key: npm-cache-{{ checksum "package-lock.json" }}
    paths:
      - ~/.npm

codecov: &codecov
  run:
    name: Codecov
    command: node_modules/.bin/nyc report --reporter=json && bash <(curl -s https://codecov.io/bash) -f coverage/coverage-final.json

jobs:
  # Build, lint, run tests
  build_node_6:
    working_directory: ~/chromeless
    docker:
      - image: circleci/node:6
      - image: yukinying/chrome-headless-browser
    steps:
      - run: node -v; npm -v
      - checkout
      - *restore_cache
      - run: npm install
      - *save_cache
      - run: npm test
      - *codecov
  build_node_8:
    working_directory: ~/chromeless
    docker:
      - image: circleci/node:8
      - image: yukinying/chrome-headless-browser
    steps:
      - run: node -v; npm -v
      - checkout
      - *restore_cache
      - run: npm install
      - *save_cache
      - run: npm test
      - *codecov

  # On master and if tests passed, parse the commit history to see if a new release should happen
  # If yes, publish to npm and tag a release on GitHub
  release:
    working_directory: ~/chromeless
    docker:
      - image: circleci/node:8
    steps:
      - run: node -v; npm -v
      - checkout
      - *restore_cache
      - run: npm install
      - *save_cache
      - run: npm run build
      - run: npm run semantic-release