API reference > @kontsedal/olas-persist > createPersisted

createPersisted() function

Persist a signal-like source under key. Loads the stored value on construction (sync for localStorage, async for any storage that returns a promise). Subsequent writes to the source are mirrored to storage.

Cleanup (unsubscribe + cross-tab listener removal) is bound to ctx.

Signature:

export declare function createPersisted<T>(ctx: Ctx, key: string, source: PersistableSource<T>, options?: PersistOptions<T>): Persisted;

Parameters

Parameter	Type	Description
ctx	Ctx
key	string
source	PersistableSource<T>
options	PersistOptions<T>	(Optional)

Returns:

Persisted