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import React, { forwardRef } from 'react';
import { StyleSheet, View, FlatList } from 'react-native';
import { Hit as AlgoliaHit } from '@algolia/client-search';
import {
useInfiniteHits,
UseInfiniteHitsProps,
} from 'react-instantsearch-hooks';
type InfiniteHitsProps<THit> = UseInfiniteHitsProps & {
hitComponent: (props: { hit: THit }) => JSX.Element;
};
export const InfiniteHits = forwardRef(
<THit extends AlgoliaHit<Record<string, unknown>>>(
{ hitComponent: Hit, ...props }: InfiniteHitsProps<THit>,
ref: React.ForwardedRef<FlatList<THit>>
) => {
const { hits, isLastPage, showMore } = useInfiniteHits(props);
return (
<FlatList
ref={ref}
data={hits as unknown as THit[]}
keyExtractor={(item) => item.objectID}
ItemSeparatorComponent={() => <View style={styles.separator} />}
onEndReached={() => {
if (!isLastPage) {
showMore();
}
}}
renderItem={({ item }) => (
<View style={styles.item}>
<Hit hit={item as unknown as THit} />
</View>
)}
/>
);
}
);
const styles = StyleSheet.create({
separator: {
borderBottomWidth: 1,
borderColor: '#ddd',
},
item: {
padding: 18,
},
});
declare module 'react' {
// eslint-disable-next-line no-shadow
function forwardRef<TRef, TProps = unknown>(
render: (props: TProps, ref: React.Ref<TRef>) => React.ReactElement | null
): (props: TProps & React.RefAttributes<TRef>) => React.ReactElement | null;
}
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