version: 2

nodejs: &nodejs
  docker:
    - image: circleci/node:8.11
  working_directory: /tmp/workspace

jobs:
  build:
    <<: *nodejs
    steps:
      - checkout
      - run:
          name: npm install --production
          command: npm install --production
      - persist_to_workspace:
          root: .
          paths:
            - node_modules
            - index.js
            - package.json
            - package-lock.json
            - lib
            - README.md

  test:
    <<: *nodejs
    steps:
      - checkout
      - attach_workspace:
          at: /tmp/workspace
      - run:
          name: npm install
          command: npm install
      - run:
          name: npm test
          command: npm test
      - run:
          name: npm coveralls
          command: npm run coveralls

workflows:
  version: 2
  build:
    jobs:
      - build
      - test:
          requires:
            - build