code: function textLayerElementFromPoint(x, y, pageNumber) {
    let svg = document.querySelector(`svg[data-pdf-annotate-page="${pageNumber}"]`);
    let rect = svg.getBoundingClientRect();
    y = scaleUp(svg, {y}).y + rect.top;
    x = scaleUp(svg, {x}).x + rect.left;
    return [...svg.parentNode.querySelectorAll('.textLayer [data-canvas-width]')].filter((el) => {
      return pointIntersectsRect(x, y, el.getBoundingClientRect());
    })[0];
  }
docs: Get a text layer element at a given point on a page
  
  @param {Number} x The x coordinate of the point
  @param {Number} y The y coordinate of the point
  @param {Number} pageNumber The page to limit elements to
  @return {Element} First text layer element found at the point