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quick fix to compare

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This commit is contained in:
EthanHealy01 2025-11-13 17:44:27 +00:00
parent 052a3ae653
commit 07883d3b45
1 changed files with 4 additions and 1 deletions
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5
frontend/src/core/components/tools/compare/CompareDocumentPane.tsx
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@ -1,5 +1,5 @@
import { Group, Loader, Stack, Text } from '@mantine/core';
import { useMemo, useRef, useEffect } from 'react';
import { useMemo, useRef, useEffect, useState } from 'react';
import type { PagePreview } from '@app/types/compare';
import type { TokenBoundingBox, CompareDocumentPaneProps } from '@app/types/compare';
import { mergeConnectedRects, normalizeRotation, groupWordRects, computePageLayoutMetrics } from '@app/components/tools/compare/compare';
@ -53,6 +53,8 @@ const CompareDocumentPane = ({
// Track which page images have finished loading to avoid flashing between states
const imageLoadedRef = useRef<Map<number, boolean>>(new Map());
// Force a re-render when an image load state changes (refs don't trigger renders)
const [, setImageLoadedTick] = useState(0);
const visiblePageRafRef = useRef<number | null>(null);
const lastReportedVisiblePageRef = useRef<number | null>(null);
const pageNodesRef = useRef<HTMLElement[] | null>(null);
@ -252,6 +254,7 @@ const CompareDocumentPane = ({
onLoad={() => {
if (!imageLoadedRef.current.get(page.pageNumber)) {
imageLoadedRef.current.set(page.pageNumber, true);
setImageLoadedTick((v) => v + 1); // refs don't trigger renders
}
}}
/>