Exemplo de descritor de build para o Circle CI construir uma aplicação TypeScript

config.yml

version: 2.1
references:
  default_container_config: &default_container_config
    docker:
      - image: circleci/node:10
    working_directory: ~/repo
commands:
  install_and_cache_dependencies:
    description: "Checkout, get cache, install and save cache"
    steps:
      - checkout
      - restore_cache:
          keys:
            - v1-dependencies-{{ checksum "yarn.lock" }}
      - run: yarn install
      - save_cache:
          paths:
            - node_modules
          key: v1-dependencies-{{ checksum "yarn.lock" }}
jobs:
  build:
    <<: *default_container_config
    steps:
      - install_and_cache_dependencies
      - run:
          name: "Showing the current branch..."
          command: echo ${CIRCLE_BRANCH}
      - run: 
          name: "Building the bundle..."
          command: yarn build 2>/dev/null
      - persist_to_workspace:
          root: .
          paths:
            - dist
  test-lint:
    <<: *default_container_config
    steps:
      - install_and_cache_dependencies
      - run:
           name: "Running lint tests..."
           command: yarn lint
workflows:
  build-test-and-deploy:
    jobs:
      - build
      - test-lint