API reference > @kontsedal/olas-persist > PersistableSource

PersistableSource type

What createPersisted can persist: anything with value, set andsubscribe, such as a Signal<T> or a Field<T>. subscribe may call the handler at once with the current value, or only on a change.

Signature:

export type PersistableSource<T> = {
  readonly value: T;
  set(value: T): void;
  subscribe(handler: (value: T) => void): () => void;
};