os:
  - linux
  - osx
sudo: required
language:        node_js
node_js:
  - "node"
  - "lts/*"
  - "8"
env:
  - ENV=CI

before_install:
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install pkg-config cairo pango libpng jpeg giflib    ; fi
  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get install libcairo2-dev libjpeg-dev libpango1.0-dev libgif-dev build-essential g++    ; fi
  - npm install -g npm@latest

install:
  - npm install

script:
  - npm run test
notifications:
  email:
    on_success: never # default: change
    on_failure: always # default: always