language: node_js
node_js:
- '4'
- stable
sudo: false
cache:
  directories:
  - node_modules
env:
  global:
    secure: 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
before_install:
- rm -rf node_modules/scratch-*
after_script:
- |
  # RELEASE_BRANCHES and NPM_TOKEN defined in Travis settings panel
  declare exitCode
  $(npm bin)/travis-after-all
  exitCode=$?
  if [[
    # Execute after all jobs finish successfully
    $exitCode = 0 &&
    # Only release on release branches
    $RELEASE_BRANCHES =~ $TRAVIS_BRANCH &&
    # Don't release on PR builds
    $TRAVIS_PULL_REQUEST = "false"
  ]]; then
    # Authenticate NPM
    echo "//registry.npmjs.org/:_authToken=\${NPM_TOKEN}" > .npmrc
    # Set version to timestamp
    npm --no-git-tag-version version $($(npm bin)/json -f package.json version)-prerelease.$(date +%s)
    npm publish
    # Publish to gh-pages as most recent committer
    git config --global user.email $(git log --pretty=format:"%ce" -n1)
    git config --global user.name $(git log --pretty=format:"%cn" -n1)
    ./node_modules/.bin/gh-pages -x -r https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git -d playground -m "Build for $(git log --pretty=format:%H)"
  fi