version: 2.1

defaults: &defaults
  working_directory: ~/repo
  docker:
    - image: circleci/node:8-jessie
jobs:
  test:
    <<: *defaults  
    steps:
      - checkout
 
      - restore_cache:
          keys:
          - v1-dependencies-{{ checksum "package.json" }}
    # fallback to using the latest cache if no exact match is found
          - v1-dependencies-
      - run: sudo apt-get update
      - run: 
          name: Install
          command: npm install
      - run: npm run travis

      - save_cache:
          paths:
            - node_modules
          key: v1-dependencies-{{ checksum "package.json" }}
      - 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: /^v.*/
      - deploy:
          requires:
            - test
          filters:
            tags:
              only: /^v.*/
            branches:
              ignore: /.*/