version: 2.1
workflows:
  starter:
    jobs:
      - yarn
  install:
    jobs:
      - yarn
      - checks:
          requires:
            - yarn
  yarn:
    docker:
      - image: circleci/node:12
    steps:
      - checkout
      - restore_cache:
          key: yarn-packages-{{ checksum "yarn.lock" }}
      - run: yarn global add node-gyp && yarn install
      - save_cache:
          key: yarn-packages-{{ checksum "yarn.lock" }}
          paths:
            - ./node_modules

  checks:
    docker:
      - image: circleci/node:12
    steps:
      - checkout
      - restore_cache:
          key: yarn-packages-{{ checksum "yarn.lock" }}
      - run: yarn lint
      - run: yarn format:check
      - run: yarn test:ci
      - save_cache:
          key: yarn-packages-{{ checksum "yarn.lock" }}
          paths:
            - ./node_modules