Interface Writable<T>

Writable interface for both updating and subscribing.

interface Writable<T> {
    set(this: void, value: T): void;
    subscribe(this: void, run: Subscriber<T>, invalidate?: Invalidator<T>): Unsubscriber;
    update(this: void, updater: Updater<T>): void;
}

Type Parameters

T

Hierarchy (view full)

Readable<T>
- Writable

Index

Methods

set subscribe update

Methods

set

set(this, value): void
Set value and inform subscribers.
Parameters
- this: void
- value: T
  to set
Returns void

subscribe

subscribe(this, run, invalidate?): Unsubscriber
Subscribe on value changes.
Parameters
- this: void
- run: Subscriber<T>
  subscription callback
- Optionalinvalidate: Invalidator<T>
  cleanup callback
Returns Unsubscriber
Inherited from Readable.subscribe

update

update(this, updater): void
Update value using callback and inform subscribers.
Parameters
- this: void
- updater: Updater<T>
  callback
Returns void