box: kkarczmarczyk/node-yarn
build:
  steps:
    - script:
      name: report yarn version
      code: yarn --version
    - script:
      name: set yarn cache
      code: |
        export YARN_CACHE=$WERCKER_CACHE_DIR/yarn
    # yarn runs prepublish test on deps install
    - script:
      name: install dependencies and test
      code: yarn install