feat(signals): Add refetch functionality to intersected results (#163)

* feat(signals): Add refetch functionality to intersected results

This change ensures that all intersected queries are refetched when "refetch" is called on the combined result.

* Update signals.ts

* Update operators.ts

query/src/lib/operators.ts

@@ -148,6 +148,7 @@ export function intersectResults$<
   return map((values) => {
     const isArray = Array.isArray(values);
     const toArray = isArray ? values : Object.values(values);
+    const refetch = () => Promise.all(toArray.map(v => v.refetch()));
 
     const mappedResult = {
       all: values,
@@ -158,6 +159,7 @@ export function intersectResults$<
       isFetching: toArray.some((v) => v.isFetching),
       error: toArray.find((v) => v.isError)?.error,
       data: undefined,
+      refetch,
     } as unknown as QueryObserverResult<R> & { all: T };
 
     if (mappedResult.isSuccess) {

query/src/lib/signals.ts

@@ -59,10 +59,11 @@ export function intersectResults<
   signals: T,
   mapFn: (values: UnifiedTypes<T>) => R,
 ): Signal<QueryObserverResult<R> & { all: T }> {
-  return computed(() => {
-    const isArray = Array.isArray(signals);
-    const toArray = isArray ? signals : Object.values(signals);
+  const isArray = Array.isArray(signals);
+  const toArray = isArray ? signals : Object.values(signals);
+  const refetch = () => Promise.all(toArray.map(v => v().refetch()));
 
+  return computed(() => {
     const mappedResult = {
       all: signals,
       isSuccess: toArray.every((v) => v().isSuccess),
@@ -72,6 +73,7 @@ export function intersectResults<
       isFetching: toArray.some((v) => v().isFetching),
       error: toArray.find((v) => v().isError)?.error,
       data: undefined,
+      refetch,
     } as unknown as QueryObserverResult<R> & { all: T };
 
     if (mappedResult.isSuccess) {