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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | 3x 2x 2x 2x 2x 2x 2x 1x 1x 1x 2x | import { useState } from "react";
import { OnDocumentLoadSuccess } from "react-pdf/dist/cjs/shared/types";
const usePages = () => {
const [numPages, setNumPages] = useState<number>(0);
const [pageNumber, setPageNumber] = useState<number>(1);
const [pagesRendered, setPagesRendered] = useState<number>(0);
const onDocumentLoadSuccess: OnDocumentLoadSuccess = (document) => {
const { numPages } = document;
setNumPages(numPages);
setPagesRendered(0);
};
const pagesRenderedPlusOne = Math.min(pagesRendered + 1, numPages);
const resetPages = () => {
setNumPages(0);
setPageNumber(1);
setPagesRendered(0);
};
return {
numPages,
pageNumber,
setPageNumber,
onDocumentLoadSuccess,
setPagesRendered,
pagesRendered,
pagesRenderedPlusOne,
resetPages,
};
};
export default usePages;
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