circle.yml

machine:
  node:
    version: v6.9.5
  environment:
    YARN_VERSION: 0.20.3
    PATH: "${PATH}:${HOME}/.yarn/bin:${HOME}/${CIRCLE_PROJECT_REPONAME}/node_modules/.bin"
dependencies:
  pre:
    - 'echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc'
    - |
      if [[ ! -e ~/.yarn/bin/yarn || $(yarn --version) != "${YARN_VERSION}" ]]; then
        echo "Download and install Yarn."
        curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version $YARN_VERSION
      else
        echo "The correct version of Yarn is already installed."
      fi
  override:
    - yarn install
  cache_directories:
    -  ~/.yarn
    - ~/.cache/yarn
test:
  override:
    - yarn run test
  pre:
    - mkdir -p xunit_temp
    - mkdir -p $CIRCLE_TEST_REPORTS/xunit
  post:
    - mv xunit_temp/*.xml $CIRCLE_TEST_REPORTS/xunit
    - rm -rf xunit_temp