Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | 34x 1108x 1108x 1108x 1108x 1108x 1108x 116x 116x 116x 116x 1108x 122x 6x 6x 6x 122x 1108x 1108x | import { useEffect, useRef, useState } from "react";
import { MCCType } from "./MCCType";
import { useGetGlobalMerchantCategories } from "./useGlobalMerchantCategories";
interface Props {
all?: boolean;
searchTerm?: string;
scrollBoxRef?: React.RefObject<HTMLDivElement>;
}
const useListCategories = ({
all = false,
searchTerm = "",
scrollBoxRef,
}: Props = {}) => {
const [data, setData] = useState<MCCType[]>([]);
const [page, setPage] = useState(1);
const {
data: pageData,
isLoading,
isFetching,
isError,
} = useGetGlobalMerchantCategories({
page: data.length > 20 && searchTerm ? 1 : page,
all,
searchTerm,
});
const BOTTOM_OFFSET_PX = 4;
const searchQueryRef = useRef(false);
useEffect(() => {
setPage(1);
setData([]);
searchQueryRef.current = true;
// Reset scroll position when a new search starts
Iif (scrollBoxRef?.current) {
scrollBoxRef.current.scrollTop = 0;
}
}, [searchTerm]);
useEffect(() => {
if (pageData?.data) {
if (searchQueryRef.current) {
setData(pageData?.data ?? []);
searchQueryRef.current = false;
} else E{
if (data.length === 0 && pageData?.data) {
setData(pageData.data);
} else if (data.length > 0) {
setData((prev) => [...prev, ...pageData.data]);
}
}
}
Iif (pageData?.data === null && !isLoading) setData([]);
}, [pageData]);
const handleScroll = (e: React.UIEvent<HTMLElement>) => {
if (isLoading) return;
const { scrollTop, clientHeight, scrollHeight } = e.currentTarget;
const isNearBottom =
scrollHeight - (scrollTop + clientHeight) <= BOTTOM_OFFSET_PX;
if (isNearBottom && pageData?.total > data.length) {
setPage((prev) => prev + 1);
}
};
return {
data,
isLoading,
isError,
handleScroll,
setPage,
isFetching,
};
};
export default useListCategories;
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