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This commit is contained in:
David Arranz 2024-08-19 20:58:31 +02:00
parent e2938594d2
commit 4853c4a0bb
1 changed files with 11 additions and 8 deletions
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19
client/src/components/PDFViewer/PDFViewer.tsx
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@ -57,15 +57,18 @@ export const PDFViewer = ({ file, className }: PDFViewerProps): JSX.Element => {
setNumPages(numPages); setNumPages(numPages);
} }
const changePage = (offset: number) => const changePage = useCallback(
setPageNumber((prevPage) => (offset: number) =>
offset > 0 ? Math.min(prevPage + offset, numPages) : Math.max(prevPage + offset, 1) setPageNumber((prevPage) =>
); offset > 0 ? Math.min(prevPage + offset, numPages) : Math.max(prevPage + offset, 1)
),
[numPages]
);
const goToNextPage = () => changePage(1); const goToNextPage = useCallback(() => changePage(1), [changePage]);
const goToPrevPage = () => changePage(-1); const goToPrevPage = useCallback(() => changePage(-1), [changePage]);
const goToFirstPage = () => setPageNumber(1); const goToFirstPage = useCallback(() => setPageNumber(1), [setPageNumber]);
const goToLastPage = () => setPageNumber(numPages); const goToLastPage = useCallback(() => setPageNumber(numPages), [setPageNumber, numPages]);
const isLoading = useMemo( const isLoading = useMemo(
() => renderedPageNumber !== pageNumber, () => renderedPageNumber !== pageNumber,