language: node_js
os: linux
sudo: required
dist: trusty
addons:
  apt:
    packages:
    - mesa-utils
    - xvfb
    - libgl1-mesa-dri
    - libglapi-mesa
    - libosmesa6

node_js:
  - '12'

env:
  - NODE_ENV=test

before_install:
  - curl -o- -L https://yarnpkg.com/install.sh | bash
  - export PATH="$HOME/.yarn/bin:$PATH"

install:
  - export DISPLAY=':99.0'
  - Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
  - yarn install

before_script:
  - export DISPLAY=:99.0; sh -e /etc/init.d/xvfb start

script:
  - yarn lint
  - yarn test
  - yarn build