Interface ObservableStatus

src/useObservable.ts:29–64

}

export interface ObservableStatus<T> {
  /**
   * The loading status.
   *
   * - `loading`: Waiting for the first value from an observable
   * - `error`: Something went wrong. Check `ObservableStatus.error` for more details
   * - `success`: The hook has emitted at least one value
   *
   * If `initialData` is passed in, this will skip `loading` and go straight to `success`.
   */
  status: 'loading' | 'error' | 'success';
  /**
   * Indicates whether the hook has emitted a value at some point
   *
   * If `initialData` is passed in, this will be `true`.
   */
  hasEmitted: boolean; // has received at least one value
  /**
   * If this is `true`, the hook will be emitting no further items.
   */
  isComplete: boolean;
  /**
   * The most recent value.
   *
   * If `initialData` is passed in, the first value of `data` will be the valuea provided in `initialData` **UNLESS** the underlying observable is ready, in which case it will skip `initialData`.
   */
  data: T;
  /**
   * Any error that may have occurred in the underlying observable
   */
  error: Error | undefined;
  /**
   * Promise that resolves after first emit from observable
   */
  firstValuePromise: Promise<void>;
}

function reducerFactory<T>(observable: SuspenseSubject<T>) {
  return function reducer(state: ObservableStatus<T>, action: 'value' | 'error' | 'complete'): ObservableStatus<T> {