.travis.yml

sudo: false
language: node_js
node_js:
  - "10"
  - "8"
before_install:
  - curl -o- -L https://yarnpkg.com/install.sh | bash
  - export PATH="$HOME/.yarn/bin:$PATH"
cache:
  yarn: true
  directories:
    - "node_modules"
script:
  - ./checkgit.sh "Source files were modified before build; is yarn.lock out of sync with package.json?" || travis_terminate $?
  - yarn gulp
  - ./checkgit.sh "Source files were modified by the build" || travis_terminate $?