machine:
  environment:
    YARN_VERSION: 1.3.2
    PATH: "${PATH}:${HOME}/.yarn/bin:${HOME}/${CIRCLE_PROJECT_REPONAME}/node_modules/.bin"
  node:
    version: 8
dependencies:
  pre:
    - 'echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc'
    - |
      if [[ ! -e ~/.yarn/bin/yarn || $(yarn --version) != "${YARN_VERSION}" ]]; then
        curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version $YARN_VERSION
      fi
    - nvm install 6
    - nvm install 9

  cache_directories:
    - ~/.yarn
    - ~/.cache/yarn
    - "node_modules"
  override:
    - yarn install --no-progress
test:
  override:
    - yarn run pre:ci
    - nvm alias default 6
    - yarn run test
    - nvm alias default 8
    - yarn run test
    - nvm alias default 9
    - yarn run test
deployment:
  production:
    tag: /(v)?[0-9]+(\.[0-9]+)*/
    commands:
      - ./scripts/publish.sh
general:
  branches:
    ignore:
      - gh-pages # list of branches to ignore
      - l10n_website
      - /release\/.*/ # or ignore regexes