aliases:
  - &restore-cache
    keys:
      - dependencies-{{ .Branch }}-{{ checksum "package.json" }}
      # Fallback in case checksum fails
      - dependencies-{{ .Branch }}-

  - &save-cache
    paths:
      - node_modules
    key: dependencies-{{ .Branch }}-{{ checksum "package.json" }}

  - &deploy
    working_directory: packages/metro-bundler
    steps:
      - run: npm run prepare-release
      - run: npm publish
      - run: npm run cleanup-release

version: 2
jobs:
  test-node-9:
    working_directory: ~/metro-bundler/packager/metro-bundler
    docker:
      - image: circleci/node:9
    steps:
      - checkout
      - restore-cache: *restore-cache
      - run: yarn --no-progress
      - save-cache: *save-cache
      - run: yarn run test-ci

  test-node-8:
    working_directory: ~/metro-bundler/packager/metro-bundler
    docker:
      - image: circleci/node:8
    steps:
      - checkout
      - restore-cache: *restore-cache
      - run: yarn --no-progress
      - save-cache: *save-cache
      - run: yarn run test-ci

  test-node-6:
    working_directory: ~/metro-bundler/packager/metro-bundler
    docker:
      - image: circleci/node:6
    steps:
      - checkout
      - restore-cache: *restore-cache
      - run: sudo npm i -g yarn@^1.2.1
      - run: yarn --no-progress
      - save-cache: *save-cache
      - run: yarn run test-ci

  deploy:
    working_directory: ~/metro-bundler/packager/metro-bundler
    docker:
      - image: circleci/node:8
    steps:
      - checkout
      - restore-cache: *restore-cache
      - run:
          working_directory: packages/metro-bundler
          command: yarn --no-progress
      - save-cache: *save-cache
      - deploy: *deploy

# Workflows enables us to run multiple jobs in parallel
workflows:
  version: 2
  build-and-deploy:
    jobs:
      - test-node-9
      - test-node-8
      - test-node-6
      - deploy:
          filters:
            branches:
              ignore: /.*/
            tags:
              only: /v[0-9]+(\.[0-9]+)*/