Files
suwayomi-material-you-webui/src/features/reader/viewer/hooks/useReaderScrollToStartOnPageChange.ts
2025-09-21 01:16:01 +02:00

30 lines
1.2 KiB
TypeScript

/*
* Copyright (C) Contributors to the Suwayomi project
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { MutableRefObject, useLayoutEffect } from 'react';
import { Direction } from '@mui/material/styles';
import { ReaderStatePages, ReadingDirection } from '@/features/reader/Reader.types.ts';
import { getScrollToXForReadingDirection } from '@/features/reader/viewer/pager/ReaderPager.utils.tsx';
export const useReaderScrollToStartOnPageChange = (
currentPageIndex: ReaderStatePages['currentPageIndex'],
isContinuousReadingModeActive: boolean,
themeDirection: Direction,
readingDirection: ReadingDirection,
scrollElementRef: MutableRefObject<HTMLDivElement | null>,
): void => {
useLayoutEffect(() => {
if (!isContinuousReadingModeActive) {
scrollElementRef.current?.scrollTo(
getScrollToXForReadingDirection(scrollElementRef.current, themeDirection, readingDirection),
0,
);
}
}, [currentPageIndex]);
};