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@angular/corecode
Resource
interface
stablesince v22.0
A Resource is an asynchronous dependency (for example, the results of an API call) that is managed and delivered through signals.
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API
interface Resource<T> { readonly value: Signal<T>; readonly status: Signal<ResourceStatus>; readonly error: Signal<Error | undefined>; readonly isLoading: Signal<boolean>; readonly snapshot: Signal<ResourceSnapshot<T>>; hasValue(this: T extends undefined ? this : never): this is Resource<Exclude<T, undefined>>; hasValue(): boolean;}
value
Signal<T>The current value of the Resource, or throws an error if the resource is in an error state.
status
Signal<ResourceStatus>The current status of the Resource, which describes what the resource is currently doing and
what can be expected of its value.
error
Signal<Error | undefined>When in the error state, this returns the last known error from the Resource.
isLoading
Signal<boolean>Whether this resource is loading a new value (or reloading the existing one).
snapshot
Signal<ResourceSnapshot<T>>The current state of this resource, represented as a ResourceSnapshot.
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