@tanstack/angular-query-experimental/inject-is-fetching.mjs

Signals for managing, caching and syncing asynchronous and remote data in Angular

import { assertInInjectionContext, inject, Injector, DestroyRef, NgZone, signal } from "@angular/core";
import { QueryClient, notifyManager } from "@tanstack/query-core";
function injectIsFetching(filters, options) {
  !(options == null ? void 0 : options.injector) && assertInInjectionContext(injectIsFetching);
  const injector = (options == null ? void 0 : options.injector) ?? inject(Injector);
  const destroyRef = injector.get(DestroyRef);
  const ngZone = injector.get(NgZone);
  const queryClient = injector.get(QueryClient);
  const cache = queryClient.getQueryCache();
  let isFetching = queryClient.isFetching(filters);
  const result = signal(isFetching);
  const unsubscribe = ngZone.runOutsideAngular(
    () => cache.subscribe(
      notifyManager.batchCalls(() => {
        const newIsFetching = queryClient.isFetching(filters);
        if (isFetching !== newIsFetching) {
          isFetching = newIsFetching;
          ngZone.run(() => {
            result.set(isFetching);
          });
        }
      })
    )
  );
  destroyRef.onDestroy(unsubscribe);
  return result;
}
export {
  injectIsFetching
};
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