Function projectStatusOfState

packages/core/src/resource/resource.ts:574–583

* Project from a state with `ResourceInternalStatus` to the user-facing `ResourceStatus`

(state: ResourceState<unknown>)

 * Project from a state with `ResourceInternalStatus` to the user-facing `ResourceStatus`
 */
function projectStatusOfState(state: ResourceState<unknown>): ResourceStatus {
  switch (state.status) {
    case 'loading':
      return state.extRequest.reload === 0 ? 'loading' : 'reloading';
    case 'resolved':
      return isResolved(state.stream!()) ? 'resolved' : 'error';
    default:
      return state.status;
  }
}

function isResolved<T>(state: ResourceStreamItem<T>): state is {value: T} {
  return (state as {error: unknown}).error === undefined;