Infer useRouteData return type (#1002)

emdede · web-flow · commit b2a09b38f130 · 2023-08-15T21:25:52.000-07:00
diff --git a/packages/start/router.tsx b/packages/start/router.tsx
@@ -83,7 +83,7 @@ declare global {
 }
 
 export function useRouteData<T extends keyof StartRoutes>(): ReturnType<StartRoutes[T]["data"]>;
-export function useRouteData<T extends RouteDataFunc>(): ReturnType<T>;
+export function useRouteData<T extends (...args: any[]) => any>(): T extends RouteDataFunc<infer _, infer R> ? R : ReturnType<T>;
 export function useRouteData<T extends keyof StartRoutes>(): ReturnType<StartRoutes[T]["data"]> {
   // @ts-ignore
   return useBaseRouteData<T>();

Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,7 @@ declare global {`
`83`	`83`	`}`
`84`	`84`
`85`	`85`	`export function useRouteData<T extends keyof StartRoutes>(): ReturnType<StartRoutes[T]["data"]>;`
`86`		`-export function useRouteData<T extends RouteDataFunc>(): ReturnType<T>;`
	`86`	`+export function useRouteData<T extends (...args: any[]) => any>(): T extends RouteDataFunc<infer _, infer R> ? R : ReturnType<T>;`
`87`	`87`	`export function useRouteData<T extends keyof StartRoutes>(): ReturnType<StartRoutes[T]["data"]> {`
`88`	`88`	`// @ts-ignore`
`89`	`89`	`return useBaseRouteData<T>();`