Adobe Web SDK: improve click data collection by not tracking "other" links automatically, and using the link URL as the link name for "download" and "exit" links.

adobe-experience-platform-web-sdk-data-collection-on-before-event-send-callback-code-improve-click-data-collection-for-custom-download-exit-links.js

// Modify content.xdm or content.data as necessary. There is no need to wrap the
// code in a function or return a value. For example:
// content.xdm.web.webPageDetails.name = "Checkout";

var sendHit = true;

switch (content.xdm.eventType) {
  case 'web.webpagedetails.pageViews':
    // nothing to do here
    // keep calm and carry on
    break;
  case 'web.webinteraction.linkClicks':
    if (content.xdm.web && content.xdm.web.webInteraction) {
      // Click data collection is great for automatically tracking clicks on links but it has room for improvement:
      // 1. Don't collect click data automatically for "other" links (i.e. custom links).
      // 2. Replace the link name with the link URL for "download" and "exit" links.
      if (content.xdm.web.webInteraction.name === 'Link Click') {
        switch (content.xdm.web.webInteraction.type) {
          case 'other':
            // ** DO NOT track "other" web.webInteraction.type **
            // For navigational links, explicit Custom Links should be tracked instead.
            _satellite.logger.debug('abort Web SDK for automatic Link Click tracking!');
            sendHit = false;
            break;
          case 'download':
          case 'exit':
            // ** DELETE web.webInteraction.name when web.webInteraction.type is "download" or "exit" **
            // This is for Adobe Analytics' benefit, so that the resulting Download Links and Exit Links dimensions 
            // get populated with the download/exit links' URLs, instead of the default "Link Click".
            _satellite.logger.debug('delete link name for Web SDK for automatic Download/Exit Link Click tracking!');
            delete content.xdm.web.webInteraction.name;
            break;
        }
      }
    }
    break;
  default:
    if (content.xdm.web && content.xdm.web.webPageDetails) {
      if (content.xdm.web.webPageDetails.pageViews && (!content.xdm.web.webPageDetails.pageViews.value || content.xdm.web.webPageDetails.pageViews.value === 0)) {
        // A page is being tracked when there was no intention to, e.g. when getting personalisation data from Target
        // but this causes the web.webPageDetails.pageViews.value to be unset or 0
        // so change this to a Custom Link
        // DON'T drop the hit! Otherwise dependent executions, e.g. getting Target personalisation data, will fail.
        content.xdm.web.webInteraction = content.xdm.web.webInteraction || {};
        content.xdm.web.webInteraction.type = 'other';
        content.xdm.web.webInteraction.name = 'ExperienceEvent type: ' + (content.xdm.eventType || 'no Web SDK event type');
      }
    }
    break;
}

return sendHit;