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Prevent TypeError and incorrect state updates for "pageLoadStates"

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Page load state updates of an already closed chapter caused TypeErrors or incorrect state updates.
This commit is contained in:
schroda
2024-12-30 20:51:29 +01:00
parent 55dc9471d9
commit 7c98bab43b
9 changed files with 59 additions and 21 deletions
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20
src/modules/reader/components/viewer/ReaderViewer.tsx
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@@ -28,7 +28,7 @@ import {
TReaderScrollbarContext,
} from '@/modules/reader/types/Reader.types.ts';
import { userReaderStatePagesContext } from '@/modules/reader/contexts/state/ReaderStatePagesContext.tsx';
import { getDoublePageModePages } from '@/modules/reader/utils/ReaderPager.utils.tsx';
import { getDoublePageModePages, isPageOfOutdatedPageLoadStates } from '@/modules/reader/utils/ReaderPager.utils.tsx';
import { useReaderScrollbarContext } from '@/modules/reader/contexts/ReaderScrollbarContext.tsx';
import { MediaQuery } from '@/modules/core/utils/MediaQuery.tsx';
import { ReaderControls } from '@/modules/reader/services/ReaderControls.ts';
@@ -171,10 +171,20 @@ const BaseReaderViewer = forwardRef(
[actualPages, readingMode],
);
const onError = useCallback((pageIndex: number) => {
setPageLoadStates((statePageLoadStates) =>
statePageLoadStates.toSpliced(pageIndex, 1, { loaded: false, error: true }),
);
const onError = useCallback((pageIndex: number, url: string) => {
setPageLoadStates((statePageLoadStates) => {
const pageLoadState = statePageLoadStates[pageIndex];
if (isPageOfOutdatedPageLoadStates(url, pageLoadState)) {
return statePageLoadStates;
}
return statePageLoadStates.toSpliced(pageIndex, 1, {
...pageLoadState,
loaded: false,
error: true,
});
});
}, []);
// reset spread state