version: 2.1
executors:
  linux:
    docker:
      - image: cimg/base:stable
orbs:
  node: circleci/node@4.5.1
  browser-tools: circleci/browser-tools@1.1.3
jobs:
  npm-audit:
    executor: linux
    steps:
      - checkout
      - node/install:
          install-npm: true
          node-version: lts/fermium
      - run: npm install
      - run: npm audit --audit-level=low
  test:
    parameters:
      node-version:
        type: string
      browser:
        type: string
    executor: linux
    steps:
      - checkout
      - restore_cache:
          key: deps-{{ .Branch }}--<< parameters.node-version >>--{{ checksum "package.json" }}
      - node/install:
          install-npm: false
          node-version: << parameters.node-version >>
      - run: npm install
      - when:
          condition:
            equal: [ "FirefoxESR", <<parameters.browser>> ]
          steps:
            - browser-tools/install-firefox:
                version: "91.2.0esr" #https://archive.mozilla.org/pub/firefox/releases/          
      - when:
          condition:
            equal: [ "FirefoxHeadless", <<parameters.browser>> ]
          steps:
            - browser-tools/install-firefox
      - when:
          condition:
            equal: [ "ChromeHeadless", <<parameters.browser>> ]
          steps:
            - browser-tools/install-chrome:
                replace-existing: false
      - save_cache:
          key: deps-{{ .Branch }}--<< parameters.node-version >>--{{ checksum "package.json" }}
          paths:
            - ~/.npm
            - ~/.cache
            - node_modules
      - when:
          condition:
            equal: [ "", <<parameters.browser>> ] #Only run linting when browsers are not running to save time
          steps:
            - run: npm run lint
      - when:
          condition: << parameters.browser >> #Truthy evaluation to only run when browser is specified
          steps:
            - run: npm run test:coverage -- --browsers=<<parameters.browser>>
            - store_test_results:
                path: dist/reports/tests/
            - store_artifacts:
                path: dist/reports/
workflows:
  matrix-tests:
    jobs:
      - test:
          post-steps:
            - run:
                command:
                  curl -Os https://uploader.codecov.io/latest/linux/codecov;chmod +x codecov;./codecov              
          name: node10-chrome
          node-version: lts/dubnium
          browser: ChromeHeadless
      - test:
          name: node12-build-lint
          node-version: lts/erbium
          browser: "" #Skip unit tests
      - test: 
          name: node14-build-lint
          node-version: lts/fermium
          browser: "" #Skip unit tests

  nightly:
    jobs:
      - test:
          name: node10-chrome-nightly
          node-version: lts/dubnium
          browser: ChromeHeadless
      - test:
          name: node12-firefoxESR-nightly
          node-version: lts/erbium
          browser: FirefoxESR
      - test:
          name: node14-firefox-nightly
          node-version: lts/fermium
          browser: FirefoxHeadless
      - npm-audit
    triggers:
      - schedule:
          cron: "0 0 * * *"
          filters:
            branches:
              only:
                - master