version: 2
jobs:
  build:
    docker:
      # Use node image
      - image: cimg/node:lts

    # code folder
    working_directory: ~/repo

    steps:
      # check out code
      - checkout

      # restore cache dependencies
      - restore_cache:
          keys:
            - v1-dependencies-{{ checksum "package.json" }}
            # fallback to using the latest cache if no exact match is found
            - v1-dependencies-

      # install and cache packages
      - run: npm install
      - save_cache:
          paths:
            - node_modules
          key: v1-dependencies-{{ checksum "package.json" }}

      # audit the packages
      - run: npm audit
      - run: npm ls

      # security test
      - run: ./node_modules/.bin/snyk test

      # correct line endings
      - run: find ./ -path ./node_modules -prune -o -name '*.css' -o -name '*.json' -o -name '*.md' -o -name '*.js' -o -name '*.yml' | xargs ./node_modules/.bin/lintspaces --endofline 'lf' --newline --trailingspaces --verbose

      # lint
      - run: ./node_modules/.bin/eslint '*.js' 'test/*.js'

      # run tests
      - run: ./node_modules/.bin/nyc npm test

      # upload code coverage
      - run: ./node_modules/.bin/nyc report --reporter=text-lcov > coverage.lcov
      - run: ./node_modules/.bin/codecov