version: 2.1
workflows:
  workflow1:
    jobs:
      - hello1
      - yarn1
      - lint1:
          requires:
            - yarn1
      - test1:
          requires:
            - yarn1
jobs:
  hello1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - run:
          command: 'echo ok'
          name: 'Hello World'

  yarn1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - restore_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
      - run: yarn global add node-gyp && yarn install
      - save_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
          paths:
            - ./node_modules

  lint1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - restore_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
      - run: yarn lint && yarn format:check

  test1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - restore_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
      - run: yarn test:ci