Landing Page (HTML)

<script src="https://app.fairing.co/js/fairing.js"></script>
<!--
  This stylesheet provides minimal styling for the survey form. You
  can provide custom styling with your own CSS. You can find more info here:
  https://docs.fairing.co/docs/look-and-feel
-->
<link href="https://app.fairing.co/css/fairing.css" rel="stylesheet" type="text/css">

<!-- Some basic styles -->
<style>
  .fairing__open-ended-response {
    border: 1px solid black;
    border-radius: 4px;
    height: 12.8rem;
    width: 100%;
    box-sizing: border-box;
    font-size: 1.25rem;
    padding: 1rem;
  }

.fairing__autosuggest__list {
    background: hsl(0, 0%, 100%);
    box-shadow: 0 2px 5px hsla(0, 0%, 0%, 0.1);
    margin: 6px 0 0;
}

  .fairing__autosuggest__input {
    width: 100%;
    font-size: 1.1rem;
    padding: 0.7rem;
    border-radius: 5px;
    border: 1px solid hsl(0, 0%, 10%);
}
  
  .fairing__survey-actions {
    margin: 24px 0 0;
  }
  
  .fairing__action--submit {
    background: #333;
    border: 1px solid #333;
    border-radius: 5px;
    color: white;
    padding: 16px 40px;
    font-size: 16px;
    font-family: Basetica Bold,Basetica-bold,sans-serif;
    line-height: 16px;
  }
</style>
<div>
  <!--
        Add an element to contain the Question Stream wherever you would
        like it to appear on the page. It's display should be
        set to 'none' via CSS so that the customer doesn't see the question.
        The 'fairing-qs-target' is set on this element so that we can target it
        from the script.
      -->
  <div fairing-qs-target style="display: none; margin: 24px auto; max-width: 512px; padding: 24px;">
  </div>
</div>

<script type="text/javascript">
  (function() {
    // API key (Publishable API key located on your Account page)
    const API_KEY = "YOUR_API_KEY_HERE";

    // Select the DOM element to insert the question into
    const TARGET_ELEMENT = document.querySelector("[fairing-qs-target]");

    // Parse the URL query parameters
    const query = new URLSearchParams(window.location.search);
    // Get the order ID from the URL query parameters
    const orderId = query.get("i");
    // Get the rating from the URL query parameters
    const rating = query.get("r");

    // If the order ID in the URL, we can't do anything
    // useful, so we just abort.
    if (!orderId) {
      console.warn("The order ID is missing from the URL query string.");
      return;
    }

    // If the rating isn't in the URL, we just display the question so the
    // customer can respond. This could happen if the click the link in the
    // email that directs them to "Complete the Survey". That link does not
    // include the rating.
    if (!rating) {
      console.warn("The rating is missing from the URL query string.");
      TARGET_ELEMENT.style.display = "block";
    }

    const transaction = {
      id: orderId,
      source: "survey_landing" // Let Fairing know what value this property is set to
    };

    window.addEventListener("DOMContentLoaded", function() {
      const fairing = Fairing(API_KEY, TARGET_ELEMENT, {
        transaction: transaction,
        customer: {},
        config: {
          shopify_order: true,
          host: 'app.fairing.co'
        }
      });

      // This starts the Question Stream
      fairing.nextQuestion();
    });

    window.addEventListener('fairing.question.displayed', (event) => {
      // It shouldn't happen, but if a question other than the NPS
      // question were to appear, we display it. Alternatively, you
      // can omit the line that changes the display style and nothing will
      // be displayed.
      if (event.detail.question_id != NPS_QUESTION_ID) {
        TARGET_ELEMENT.style.display = "block";
        return;
      }

      // If the rating isn't provided, we can't auto submit the form, so the
      // customer will have to provide it manually.
      if (!rating) {
        return;
      }

      const form = TARGET_ELEMENT.querySelector("form"); 
      const option = form.querySelector(`[data-enquire-response="${rating}"]`);

      // If the rating isn't a valid rating, we abort. You may want to show
      // some other content in this scenario so the page isn't blank or so
      // it appears that the customer has provided a response.
      if (!option) {
        console.warn("Invalid rating provided. Not submitting response.");
        return;
      }

      option.checked = true;
      form.requestSubmit();
    });

    // Once the question has been answered, show the form so that the
    // follow up question is displayed.
    window.addEventListener("fairing.question.answered", () => {
      TARGET_ELEMENT.style.display = "block";
    });
  })();
</script>