language: node_js
node_js:
- "8.14.0"
- "10.14.1"
- "11.4.0"
sudo: false
addons:
firefox: "63.0.3"
apt:
sources:
- ubuntu-toolchain-r-test
packages:
- build-essential
env:
- CXX=g++
notifications:
email:
on_success: never