@pdf-viewer/react/dist/utils/hooks/useFlickerSelectText.js

A react-pdf-viewer component for React and Next.js. Suitable for react-pdf document.

import { useRef as u, useCallback as g, useEffect as f } from "react";
const m = () => {
  const i = u(null), a = u(/firefox/i.test(navigator.userAgent)), o = g(() => {
    var c, d;
    const s = document.getSelection();
    if (!s || s.rangeCount === 0 || a.current)
      return;
    const t = s.getRangeAt(0), l = i.current && (t.compareBoundaryPoints(Range.END_TO_END, i.current) === 0 || t.compareBoundaryPoints(Range.START_TO_END, i.current) === 0);
    let e = l ? t.startContainer : t.endContainer;
    if ((e == null ? void 0 : e.nodeType) === Node.TEXT_NODE && (e = e.parentNode), !l && t.endOffset === 0)
      do {
        for (; !(e != null && e.previousSibling); )
          e = e == null ? void 0 : e.parentNode;
        e = e.previousSibling;
      } while (!e.childNodes.length);
    const n = (c = e == null ? void 0 : e.parentElement) == null ? void 0 : c.closest("[data-rp-text-layer]"), r = n == null ? void 0 : n.querySelector(".endOfContent");
    r && (r.style.width = n.style.width, r.style.height = n.style.height, (d = e == null ? void 0 : e.parentElement) == null || d.insertBefore(r, l ? e : e.nextSibling)), i.current = t.cloneRange();
  }, []);
  f(() => (document == null || document.addEventListener("selectionchange", o), () => {
    document == null || document.removeEventListener("selectionchange", o);
  }), [o]);
};
export {
  m as useFlickerSelectText
};