const { danger, fail, warn } = require('danger')

// Thanks to https://github.com/styleguidist/react-styleguidist/blob/master/dangerfile.js and sapegin

const packageChanged = danger.git.modified_files.indexOf('package.json') !== -1

const lockfileChanged =

danger.git.modified_files.indexOf('package-lock.json') !== -1

if (packageChanged && !lockfileChanged) {

fail(`Changes were made to package.json, but not to package-lock.json.

Perhaps you need to run \`rm package-lock.json && npm install\`. Make sure you’re using npm 5+.`)

}

if (danger.github.pr.body.length < 10) {

warn('This pull request needs an description.')

}