message: Fix Dangerfile
diff: @@ -84,7 +84,7 @@ if (testFilesThatDontExist.length > 0) {
  const reactComponentForPath = (filePath) => {
  const content = fs.readFileSync(filePath).toString()
  const match = content.match(/export class (.*) extends React.Component/)
  - if (match.length === 0) { return null }
  + if (!match || match.length === 0) { return null }
  return match[0]
  }
  