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| 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 | 17x 17x 17x 17x 17x 17x 26x 318x 318x 318x 123x 5x 18x 318x 121x 318x 318x 2x 2x 318x 368x 365x 90x 318x 365x 365x 357x 348x 324x 318x 318x 318x 292x 292x 292x | import { useQueries, useQueryClient } from "@tanstack/react-query";
import { userKey } from "features/queryKeys";
import { userStaleTime } from "features/userQueries/constants";
import { useCallback, useEffect, useRef } from "react";
import { service } from "service";
import { arrayEq } from "utils/arrayEq";
export default function useUsers(ids: (number | undefined)[], invalidate = false) {
const queryClient = useQueryClient();
const idsRef = useRef(ids);
const handleInvalidation = useCallback(() => {
if (invalidate) {
queryClient.invalidateQueries({
predicate: (query) =>
query.queryKey[0] === userKey()[0] && !!idsRef.current.includes(query.queryKey[1] as number),
// tells v5 to immediately refetch active observers after invalidation
refetchType: "active",
});
}
}, [invalidate, queryClient]);
useEffect(() => {
handleInvalidation();
}, [handleInvalidation]);
//arrays use reference equality, so you can't use ids in useEffect directly
useEffect(() => {
if (!arrayEq(idsRef.current, ids)) {
idsRef.current = ids;
handleInvalidation();
}
});
const queries = useQueries({
queries: ids
.filter((id): id is number => !!id)
.map((id) => ({
queryFn: () => service.user.getUser(id.toString()),
queryKey: userKey(id),
staleTime: userStaleTime,
})),
});
const errors = queries
.map((query) =>
query.error && typeof (query.error as Error).message === "string" ? (query.error as Error).message : undefined,
)
.filter((e): e is string => typeof e === "string");
const isPending = queries.some((query) => query.isPending);
const isFetching = queries.some((query) => query.isFetching);
// If at least one user query is not loading (i.e. has data loaded before), whilst
// some other (likely new) queries are fetching, then it's a refetch
const isRefetching = !queries.every((query) => query.isLoading) && isFetching;
const isError = !!errors.length;
const usersById = isPending ? undefined : new Map(queries.map((q, index) => [ids[index], q.data]));
return {
data: usersById,
errors,
isError,
isFetching,
isLoading: isPending,
isRefetching,
};
}
export function useUser(id: number | undefined, invalidate = false) {
const result = useUsers([id], invalidate);
return {
data: result.data?.get(id),
error: result.errors.join("\n"),
isError: result.isError,
isFetching: result.isFetching,
isLoading: result.isLoading,
};
}
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