language: node_js
node_js:
  # - 7 # 7 is not supported by NPM, it will fallback to npm@3, which does not run prepublishOnly hook
  - 8 # 8 is a LTS version with latest NPM packed

env:
  - BROWSER=ChromeCi
  - BROWSER=Firefox

cache:
  directories:
    - node_modules

services:
  - xvfb

on:
  branch: master
  tags: true

jobs:
  include:
    - stage: 'NPM publish'
      script: skip
      deploy:
        provider: npm
        email: 'simonguo.2009@gmail.com'
        api_key: $NPM_AUTH_TOKEN
        skip_cleanup: true
        on:
          tags: true

stages:
  - test
  - name: 'NPM publish'
    if: tag IS present # only include deploy stage when it's a tagged commit