message: Fix style guide violation for string declaration
diff: @@ -16,7 +16,7 @@ module.exports = function placeOrder () {
  .then(basket => {
  if (basket) {
  const customer = insecurity.authenticatedUsers.from(req)
  - const email = customer ? customer.data ? customer.data.email : "" : ""
  + const email = customer ? customer.data ? customer.data.email : '' : ''
  const orderId = insecurity.hash(email).slice(0, 4) + '-' + utils.randomHexString(16)
  const pdfFile = 'order_' + orderId + '.pdf'
  const doc = new PDFDocument()
  