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infer useMatchesData type using generic #281

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infer useMatchesData type using generic #281

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20 changes: 11 additions & 9 deletions app/utils.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import { type SerializeFrom } from '@remix-run/node'
import { useMatches } from "@remix-run/react";
import { useMemo } from "react";

Expand Down Expand Up @@ -33,17 +34,18 @@ export function safeRedirect(
* @param {string} id The route id
* @returns {JSON|undefined} The router data or undefined if not found
*/
export function useMatchesData(
id: string,
): Record<string, unknown> | undefined {
const matchingRoutes = useMatches();
const route = useMemo(
() => matchingRoutes.find((route) => route.id === id),
[matchingRoutes, id],
);
return route?.data as Record<string, unknown>;
export function useMatchesData<T = Record<string, unknown> | undefined>(
id: string,
): SerializeFrom<T> {
const matchingRoutes = useMatches()
const route = useMemo(
() => matchingRoutes.find(route => route.id === id),
[matchingRoutes, id],
)
return route?.data as SerializeFrom<T>
}


function isUser(user: unknown): user is User {
return (
user != null &&
Expand Down