sudo: false
dist: trusty

language: node_js

node_js:
  - "10"

os:
  - linux
  - osx

matrix:
  include:
  - node_js: "8"
    os: linux
  - node_js: "11"
    os: linux
  - node_js: "12"
    os: linux
cache:
  yarn: true

before_script:
  - if git status | grep -q "modified.   \.travis\.yml"; then echo "Dirty yarn.lock"; exit 1; fi

script:
  - gulp