version: 2
jobs:
  build_and_test:
    docker:
      # specify the version you desire here
      - image: circleci/node:9.10.0

      # Specify service dependencies here if necessary
      # CircleCI maintains a library of pre-built images
      # documented at https://circleci.com/docs/2.0/circleci-images/
      # - image: circleci/mongo:3.4.4

    working_directory: ~/repo

    steps:
      - checkout

      # Download and cache dependencies
      - restore_cache:
          keys:
          - v1-dependencies-{{ checksum "yarn.lock" }}
          # fallback to using the latest cache if no exact match is found
          - v1-dependencies-

      - run: yarn install

      - save_cache:
          paths:
            - node_modules
          key: v1-dependencies-{{ checksum "yarn.lock" }}

      - run: yarn lint

  deploy_firebase:
    docker:
      - image: circleci/node:9.10.0

    working_directory: ~/repo

    steps:
      - checkout

      # Download and cache dependencies
      - restore_cache:
          keys:
          - v1-dependencies-{{ checksum "yarn.lock" }}
          # fallback to using the latest cache if no exact match is found
          - v1-dependencies-

      - run: yarn install
      - run: yarn deploy --token=$FIREBASE_TOKEN

workflows:
  version: 2
  build_and_test:
    jobs:
      - build_and_test
      - deploy_firebase:
          requires:
            - build_and_test
          filters:
            branches:
              only: master