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Commit f67303d

Browse files
Merge pull request #19 from utkuakyuz/feature/custom-modified-viewer
We were using table elements based on json diff kit's viewer. However for virtual list of this kind, grid based structure is way more better both for style and dom manipulation
2 parents 6562d24 + a6ea905 commit f67303d

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17 files changed

+761
-316
lines changed

17 files changed

+761
-316
lines changed

‎demo/src/App.tsx

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@@ -36,6 +36,7 @@ export default function App() {
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ignoreCaseForKey: false,
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recursiveEqual: false,
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preserveKeyOrder: undefined as DifferOptions["preserveKeyOrder"],
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inlineDiffMode: "word",
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});
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const updateConfig = (key: keyof Config, value: (Config)[keyof Config]) => {
@@ -218,6 +219,7 @@ export default function App() {
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height={config.height}
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miniMapWidth={config.miniMapWidth}
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hideSearch={config.hideSearch}
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inlineDiffOptions={{ mode: config.inlineDiffMode }}
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oldValue={parsedOldValue}
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newValue={parsedNewValue}
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differOptions={differOptions}

‎demo/src/components/Sidebar.tsx

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@@ -152,6 +152,20 @@ function Sidebar(props: Props) {
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</label>
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</div>
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<div className="form-group">
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<label className="form-label">
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Inline Diff Method
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<select
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className="form-select"
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value={config.inlineDiffMode}
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onChange={e => updateConfig("inlineDiffMode", e.target.value)}
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>
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<option value="char">Character</option>
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<option value="word">Word</option>
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</select>
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</label>
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</div>
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<div className="form-group">
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<label className="form-label">
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Array Diff Method

‎demo/src/types/index.ts

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@@ -19,4 +19,5 @@ export type Config = {
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ignoreCaseForKey: boolean;
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recursiveEqual: boolean;
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preserveKeyOrder: DifferOptions["preserveKeyOrder"];
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inlineDiffMode: "word" | "char";
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};

‎package.json

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@@ -1,7 +1,7 @@
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{
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"name": "virtual-react-json-diff",
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"type": "module",
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"version": "1.0.11",
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"version": "1.0.12",
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"description": "Fast, virtualized React component for visually comparing large JSON objects. Includes search, theming, and minimap.",
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"author": {
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"name": "Utku Akyüz"

‎src/components/DiffViewer/components/DiffMinimap.tsx

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@@ -4,7 +4,7 @@ import type { DiffMinimapProps } from "../types";
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import { useDragScroll } from "../hooks/useDragScroll";
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import { useMinimapDraw } from "../hooks/useMinimapDraw";
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import { getRowHeightFromCSS } from "../utils/constants";
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import { DEFAULT_HEIGHT,DEFAULT_MINIMAP_WIDTH,getRowHeightFromCSS } from "../utils/constants";
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const MINIMAP_HOVER_SCROLL_COLOR = "#7B7B7Bcc";
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@@ -37,7 +37,7 @@ export const DiffMinimap: React.FC<DiffMinimapProps> = ({
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}, [height, leftDiff.length, rightDiff.length]);
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const { handleMouseDown, isDragging } = useDragScroll({
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height,
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height: height||DEFAULT_HEIGHT,
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totalLines,
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viewportHeight,
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ROW_HEIGHT,
@@ -48,8 +48,8 @@ export const DiffMinimap: React.FC<DiffMinimapProps> = ({
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const { drawMinimap, drawScrollBox } = useMinimapDraw({
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canvasRef,
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containerRef,
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height,
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miniMapWidth,
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height: height||DEFAULT_HEIGHT,
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miniMapWidth: miniMapWidth||DEFAULT_MINIMAP_WIDTH,
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leftDiff,
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rightDiff,
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currentScrollTop,
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import type { SearchState } from "../types";
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import { SearchIcon } from "../../SearchIcon";
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type Props = {
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searchState: SearchState;
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handleSearch: (term: string) => void;
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navigateMatch: (direction: "next" | "prev") => void;
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hideSearch?: boolean;
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};
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function SearchboxHolder({ searchState, handleSearch, navigateMatch, hideSearch }: Props) {
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if (hideSearch)
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return null;
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return (
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<div className="search-container">
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<div className="search-input-container">
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<span role="img" aria-label="search"><SearchIcon /></span>
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<input
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type="text"
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placeholder="Search in JSON..."
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value={searchState.term}
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onChange={e => handleSearch(e.target.value)}
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/>
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</div>
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{searchState.results.length > 0 && (
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<div className="search-results">
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<span>
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{searchState.currentIndex + 1}
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{" "}
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of
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{" "}
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{searchState.results.length}
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{" "}
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matches
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</span>
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<button onClick={() => navigateMatch("prev")}>Previous</button>
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<button onClick={() => navigateMatch("next")}>Next</button>
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</div>
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)}
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</div>
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);
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}
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export default SearchboxHolder;

‎src/components/DiffViewer/components/ViewerRow.tsx

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// VirtualDiffGrid.tsx
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import type { InlineDiffOptions } from "json-diff-kit";
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import type { Dispatch } from "react";
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import type { ListOnScrollProps } from "react-window";
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import React, { useCallback, useEffect, useMemo } from "react";
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import { VariableSizeList as List } from "react-window";
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import type { DiffRowOrCollapsed } from "../types";
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import { useRowHeights } from "../hooks/useRowHeights";
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import { COLLAPSED_ROW_HEIGHT, getRowHeightFromCSS, isCollapsed } from "../utils/constants";
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import RowRendererGrid from "../utils/json-diff/row-renderer-grid";
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type ListDataType = {
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leftDiff: DiffRowOrCollapsed[];
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rightDiff: DiffRowOrCollapsed[];
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onExpand: (segmentIndex: number) => void;
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inlineDiffOptions?: InlineDiffOptions;
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};
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type VirtualDiffGridProps = {
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leftDiff: DiffRowOrCollapsed[];
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rightDiff: DiffRowOrCollapsed[];
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outerRef: React.RefObject<Node | null>;
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listRef: React.RefObject<List<ListDataType>>;
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height: number;
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inlineDiffOptions?: InlineDiffOptions;
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className?: string;
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setScrollTop: Dispatch<React.SetStateAction<number>>;
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onExpand: (segmentIndex: number) => void;
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overScanCount?: number;
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};
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const VirtualDiffGrid: React.FC<VirtualDiffGridProps> = ({
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leftDiff,
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rightDiff,
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outerRef,
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listRef,
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height,
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inlineDiffOptions,
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className,
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setScrollTop,
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onExpand,
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overScanCount = 10,
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}) => {
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// Virtual List Data
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const listData = useMemo(
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() => ({
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leftDiff,
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rightDiff,
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onExpand,
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inlineDiffOptions,
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}),
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[leftDiff, rightDiff, onExpand, inlineDiffOptions],
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);
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const classes = [
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"json-diff-viewer",
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`json-diff-viewer-theme-custom`,
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className,
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]
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.filter(Boolean)
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.join(" ");
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// ROW HEIGHT CALCULATION
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const ROW_HEIGHT = useMemo(() => getRowHeightFromCSS(), []);
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const rowHeights = useRowHeights(leftDiff);
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const dynamicRowHeights = useCallback(
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(index: number) => {
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const leftLine = leftDiff[index];
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if (isCollapsed(leftLine))
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return COLLAPSED_ROW_HEIGHT;
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return (rowHeights[index] ?? 1) * ROW_HEIGHT;
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},
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[leftDiff, rowHeights],
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);
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useEffect(() => {
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listRef.current?.resetAfterIndex(0, true);
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}, [rowHeights]);
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return (
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<div className={classes}>
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<List
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height={height}
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width="100%"
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style={{ alignItems: "start" }}
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outerRef={outerRef}
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ref={listRef}
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className="virtual-json-diff-list-container"
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itemCount={Math.max(leftDiff.length, rightDiff.length)}
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itemSize={dynamicRowHeights}
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overscanCount={overScanCount}
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itemData={listData}
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onScroll={({ scrollOffset }: ListOnScrollProps) => setScrollTop(scrollOffset)}
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>
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{RowRendererGrid}
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</List>
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</div>
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);
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};
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export default VirtualDiffGrid;

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