get_xpath.js

// Taken with some modifications from - https://stackoverflow.com/questions/47069382/want-to-retrieve-xpath-of-given-webelement
function absoluteXPath(element) {
  let comp, comps = [];
  let parent = null;
  let xpath = '';
  let getPos = function(element) {
    let position = 0, curNode, prevNode, nextNode;
    if (element.nodeType == Node.ATTRIBUTE_NODE) {
      return null;
    }
    prevNode = element.previousSibling;
    nextNode = element.nextSibling;
    while (prevNode) {
      if (prevNode.nodeName == element.nodeName) {
        position = 1;
        break;
      }
      prevNode = prevNode.previousSibling;
    }
    while (nextNode) {
      if (nextNode.nodeName == element.nodeName) {
        position = 1;
        break;
      }
      nextNode = nextNode.nextSibling;
    }
    for (curNode = element.previousSibling; curNode; curNode = curNode.previousSibling) {
      if (curNode.nodeName == element.nodeName) {
        ++position;
      }
    }
    return position;
  };

  if (element instanceof Document) {
    return '/';
  }

  for (; element && !(element instanceof Document); element = element.nodeType == Node.ATTRIBUTE_NODE ? element.ownerElement : element.parentNode) {
    comp = comps[comps.length] = {};
    switch (element.nodeType) {
      case Node.TEXT_NODE:
        comp.name = 'text()';
        break;
      case Node.ATTRIBUTE_NODE:
        comp.name = '@' + element.nodeName;
        break;
      case Node.PROCESSING_INSTRUCTION_NODE:
        comp.name = 'processing-instruction()';
        break;
      case Node.COMMENT_NODE:
        comp.name = 'comment()';
        break;
      case Node.ELEMENT_NODE:
        comp.name = element.nodeName;
        break;
    }
    comp.position = getPos(element);
  }

  for (let i = comps.length - 1; i >= 0; i--) {
    comp = comps[i];
    xpath += '/' + comp.name.toLowerCase();
    if (comp.position !== null && comp.position != '0') {
      xpath += '[' + comp.position + ']';
    }
  }
  return xpath;
}
return absoluteXPath(arguments[0]);