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8a37e0a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | import { createMemoizedSelector } from 'app/store/createMemoizedSelector';
import { useAppSelector } from 'app/store/storeHooks';
import { selectCanvasSlice, selectEntityIdentifierBelowThisOne } from 'features/controlLayers/store/selectors';
import type { CanvasRenderableEntityIdentifier } from 'features/controlLayers/store/types';
import { getEntityIdentifier } from 'features/controlLayers/store/types';
import { useMemo } from 'react';
export const useEntityIdentifierBelowThisOne = <T extends CanvasRenderableEntityIdentifier>(
entityIdentifier: T
): T | null => {
const selector = useMemo(
() =>
createMemoizedSelector(selectCanvasSlice, (canvas) => {
const nextEntity = selectEntityIdentifierBelowThisOne(canvas, entityIdentifier);
if (!nextEntity) {
return null;
}
return getEntityIdentifier(nextEntity);
}),
[entityIdentifier]
);
const entityIdentifierBelowThisOne = useAppSelector(selector);
return entityIdentifierBelowThisOne as T | null;
};
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