version: 2.1

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

commands:
  build_prep:
    steps:
      - checkout
      - restore_cache:
          name: Restore Yarn Package Cache
          keys:
            - yarn-packages-{{ checksum "yarn.lock" }}
      - run:
          name: Yarn
          description: Install dependencies for all libraries and projects
          command: yarn
      - save_cache:
          name: Save Yarn Package Cache
          key: yarn-packages-{{ checksum "yarn.lock" }}
          paths:
            - ~/.cache/yarn

jobs:
  build_and_test:
    docker:
      - image: circleci/node:lts
    steps:
      - build_prep
      - run:
          name: Test
          command: yarn test
      - run:
          name: Build
          command: yarn build
  release:
    docker:
      - image: circleci/node:lts
    steps:
      - build_prep
      - run:
          name: Build
          command: yarn build
      - run:
          name: Release
          command: yarn semantic-release || true