appveyor.yml

# Versions
environment:
  matrix:
    - nodejs_version: 8
    - nodejs_version: 10
    - nodejs_version: 12

# Install scripts. (runs after repo cloning)
install:
  # Get the latest stable version of Node.js or io.js
  - ps: Install-Product node $env:nodejs_version
  # Install modern yarn.
  - npm install -g yarn
  # install modules
  - yarn install

# Post-install test scripts.
test_script:
  # Output useful info for debugging.
  - node --version
  - yarn --version
  # run tests
  - yarn run builder:check

# Don't actually build.
build: off

matrix:
  fast_finish: true

cache:
  - node_modules -> package.json   # local npm modules