circle.yml

machine:
  environment:
    YARN_VERSION: 0.18.1
    PATH: "${PATH}:${HOME}/.yarn/bin:${HOME}/${CIRCLE_PROJECT_REPONAME}/node_modules/.bin"

dependencies:
  pre:
    - |
      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 test && yarn build
  post:
    - yarn coverage && cat ./coverage/lcov.info | ./node_modules/.bin/coveralls

deployment:
  npm:
    branch: master
    commands:
      - echo -e "$NPM_USERNAME\n$NPM_PASSWORD\n$NPM_EMAIL" | npm login
      - ./node_modules/.bin/publish