init:# Get the latest stable version of Node.js-ps:Install-Product node $env:nodejs_versionimage:-Visual Studio 2017matrix:fast_finish:trueenvironment:matrix:-nodejs_version:"4"-nodejs_version:"6"-nodejs_version:"7"-nodejs_version:"8"-nodejs_version:"9"install:# install modules-npm install# Post-install test scripts.test_script:# Output useful info for debugging.-node --version-npm --version-npm run test# Don't actually build.build:off