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

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

import { useState as S, useCallback as m, useEffect as d } from "react";
import { convertPDFDate as l } from "../convertPdfDate.js";
import { formatFileSize as w } from "../formatFileSize.js";
const D = (n, t, s) => {
  const [u, p] = S(), c = m(async () => {
    if (!t || !n)
      return;
    const r = await t.getMetadata().then(), P = t.numPages, e = r == null ? void 0 : r.info, a = await t.getDownloadInfo();
    let f = 0;
    a && (f = a.length);
    try {
      const o = l(e.CreationDate), i = l(e.ModDate), g = {
        pageCount: P,
        filename: s || "",
        fileSize: w(f),
        title: e.Title,
        author: e.Author,
        subject: e.Subject,
        keywords: e.Keywords || "",
        creator: e.Creator,
        createdOn: (o == null ? void 0 : o.toISOString()) || "",
        modifiedOn: (i == null ? void 0 : i.toISOString()) || "",
        pdfProducer: e.Producer,
        pdfVersion: e.PDFFormatVersion
      };
      p(g);
    } catch (o) {
      console.log("properties err", o);
    }
  }, [t, s, n]);
  return d(() => {
    c();
  }, [c]), u;
};
export {
  D as usePdfProperties
};