owtlab-tracking/lib/helpers/getDomNodePath.js

A simple Tracking system

export function getDomNodePath(el) {
  if (!el.nodeName) return '';

  const stack = [];
  while (el.parentNode != null) {
    // console.log(el.nodeName);
    let sibCount = 0;
    let sibIndex = 0;
    for (let i = 0; i < el.parentNode.childNodes.length; i++) {
      const sib = el.parentNode.childNodes[i];
      if (sib.nodeName == el.nodeName) {
        if (sib === el) {
          sibIndex = sibCount;
        }
        sibCount++;
      }
    }
    if (el.hasAttribute('id') && el.id != '') {
      stack.unshift(`${el.nodeName.toLowerCase()}#${el.id}`);
    } else if (sibCount > 1) {
      stack.unshift(`${el.nodeName.toLowerCase()}:eq(${sibIndex})`);
    } else {
      stack.unshift(el.nodeName.toLowerCase());
    }
    el = el.parentNode;
  }

  return stack.slice(1).join(' > ');
}

// via: http://stackoverflow.com/a/16742828/2511985