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+import { type EdgesResponse, type EdgesVars } from '@services/graphql/api';
+import useSWRInfinite, { SWRInfiniteKeyLoader } from 'swr/infinite';
+
+export type UsePaginationProps<T> = {
+ /**
+ * The initial data.
+ */
+ fallbackData: EdgesResponse<T>[];
+ /**
+ * A function to fetch more data.
+ */
+ fetcher: (props: EdgesVars) => Promise<EdgesResponse<T>>;
+ /**
+ * The number of results per page.
+ */
+ perPage: number;
+ /**
+ * An optional search string.
+ */
+ search?: string;
+};
+
+export type UsePaginationReturn<T> = {
+ /**
+ * The data from the API.
+ */
+ data?: EdgesResponse<T>[];
+ /**
+ * An error thrown by fetcher.
+ */
+ error: any;
+ /**
+ * Determine if there's more data to fetch.
+ */
+ hasNextPage?: boolean;
+ /**
+ * Determine if the initial data is loading.
+ */
+ isLoadingInitialData: boolean;
+ /**
+ * Determine if more data is currently loading.
+ */
+ isLoadingMore?: boolean;
+ /**
+ * Determine if the data is refreshing.
+ */
+ isRefreshing?: boolean;
+ /**
+ * Determine if there's a request or revalidation loading.
+ */
+ isValidating: boolean;
+ /**
+ * Set the number of pages that need to be fetched.
+ */
+ setSize: (
+ size: number | ((_size: number) => number)
+ ) => Promise<EdgesResponse<T>[] | undefined>;
+};
+
+/**
+ * Handle data fetching with pagination.
+ *
+ * This hook is a wrapper of `useSWRInfinite` hook.
+ *
+ * @param {UsePaginationProps} props - The pagination configuration.
+ * @returns {UsePaginationReturn} An object with pagination data and helpers.
+ */
+const usePagination = <T extends object>({
+ fallbackData,
+ fetcher,
+ perPage,
+ search,
+}: UsePaginationProps<T>): UsePaginationReturn<T> => {
+ const getKey: SWRInfiniteKeyLoader = (
+ pageIndex: number,
+ previousData: EdgesResponse<T>
+ ): EdgesVars | null => {
+ // Reached the end.
+ if (previousData && !previousData.edges.length) return null;
+
+ // Fetch data using this parameters.
+ return pageIndex === 0
+ ? { first: perPage, search }
+ : {
+ first: perPage,
+ after: previousData.pageInfo.endCursor,
+ search,
+ };
+ };
+
+ const { data, error, isValidating, size, setSize } = useSWRInfinite(
+ getKey,
+ fetcher,
+ { fallbackData }
+ );
+
+ const isLoadingInitialData = !data && !error;
+ const isLoadingMore =
+ isLoadingInitialData ||
+ (size > 0 && data && typeof data[size - 1] === 'undefined');
+ const isRefreshing = isValidating && data && data.length === size;
+ const hasNextPage = data && data[data.length - 1].pageInfo.hasNextPage;
+
+ return {
+ data,
+ error,
+ hasNextPage,
+ isLoadingInitialData,
+ isLoadingMore,
+ isRefreshing,
+ isValidating,
+ setSize,
+ };
+};
+
+export default usePagination;