I'm not getting the text position

The text is highlighted but I do not get the text position, needed for further annotating
This is the code I'm using:
// https://annotator.apache.org/docs/getting-started/

import { describeTextQuote } from '@apache-annotator/dom'
import { createTextQuoteSelectorMatcher, highlightText } from '@apache-annotator/dom';

async function describeCurrentSelection() {
  const userSelection = window.getSelection()?.getRangeAt(0);

  console.log("view-preload.ts-userSelection: ", userSelection)

  if (!userSelection || userSelection.isCollapsed) return;

  console.log("view-preloads-describeTextQuote(userSelection): ", describeTextQuote(userSelection))

  return describeTextQuote(userSelection);
}

async function highlightSelectorTarget(textQuoteSelector) {
  const matches = createTextQuoteSelectorMatcher(textQuoteSelector)(document.body);

  console.log("view-preload.ts-highlighSelectorTarger-matches: ", matches)

  // Modifying the DOM while searching can mess up; see issue #112.
  // Therefore, we first collect all matches before highlighting them.
  const matchList = [];
  for await (const match of matches) matchList.push(match);

  for (const match of matchList) highlightText(match);
}

document.addEventListener('mouseup', async () => {

  const selector = await describeCurrentSelection();
  const existingSelectors = JSON.parse(localStorage[document.URL] || '[]');
  localStorage[document.URL] = JSON.stringify([...existingSelectors, selector]);
  await highlightSelectorTarget(selector);
})

// Highlight the last selection that was stored, if any.
async function highlightStoredSelectors() {
  if (localStorage[document.URL]) {
    const selectors = JSON.parse(localStorage[document.URL]);
    for (const selector of selectors) {
      console.log("view-preload.ts-highlightStoredSelectors-selector: ", selector)
      await highlightSelectorTarget(selector);
    }
  }
}
highlightStoredSelectors()

window.addEventListener('mouseup', (e) => {
  if (e.button === 3) {
    e.preventDefault();
    goBack();
  } else if (e.button === 4) {
    e.preventDefault();
    goForward();
  }
});
apache / incubator-annotator

I'm not getting the text position #128
