version: 2

defaults: &defaults
  working_directory: ~/repo
  docker:
    - image: circleci/node:8.10.0

jobs:
  test:
    <<: *defaults  
    steps:
      - checkout
      - restore_cache:
          keys:
          - v1-dependencies-
          - v1-dependencies-
      - run: npm install
      - run: npm run eslint
      - run: npm run test-ci
      - save_cache:
          paths:
            - node_modules
          key: v1-dependencies-
      - persist_to_workspace:
          root: ~/repo
          paths: .
          
  deploy:
    <<: *defaults
    steps:
      - attach_workspace:
          at: ~/repo
      - run:
          name: Authenticate with registry
          command: echo "//registry.npmjs.org/:_authToken=$npm_token" > ~/repo/.npmrc
      - run:
          name: Publish package
          command: npm publish

workflows:
  version: 2
  test-deploy:
    jobs:
      - test:
          filters:
            tags:
              only: /.*/
      - deploy:
          filters:
            branches:
              only:
                - master
          requires:
            - test