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rayd1o
2026-03-05 11:46:58 +08:00
commit e7033775d8
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frontend/node_modules/rc-virtual-list/es/hooks/useDiffItem.js generated vendored Normal file
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import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import * as React from 'react';
import { findListDiffIndex } from "../utils/algorithmUtil";
export default function useDiffItem(data, getKey, onDiff) {
var _React$useState = React.useState(data),
_React$useState2 = _slicedToArray(_React$useState, 2),
prevData = _React$useState2[0],
setPrevData = _React$useState2[1];
var _React$useState3 = React.useState(null),
_React$useState4 = _slicedToArray(_React$useState3, 2),
diffItem = _React$useState4[0],
setDiffItem = _React$useState4[1];
React.useEffect(function () {
var diff = findListDiffIndex(prevData || [], data || [], getKey);
if ((diff === null || diff === void 0 ? void 0 : diff.index) !== undefined) {
onDiff === null || onDiff === void 0 || onDiff(diff.index);
setDiffItem(data[diff.index]);
}
setPrevData(data);
}, [data]);
return [diffItem];
}