WritableWithPrevious.md

@drtrt/give-svelte-store-previous-behaviour / WritableWithPrevious

Interface: WritableWithPrevious<T>

Type parameters

Name
T

Hierarchy

• Writable<T>

• ReadableWithPrevious<T>

  ↳ WritableWithPrevious

Table of contents

Properties

• previousValueStore
• subscribe

Methods

• set
• update

Properties

previousValueStore

• previousValueStore: Readable<undefined | T>

Overrides

ReadableWithPrevious.previousValueStore

Defined in

src/WritableWithPrevious.ts:12

---

subscribe

• subscribe: (this: void, run: SubscriberWithPrevious<T>, invalidate?: Invalidator<T>) => Unsubscriber

Type declaration

▸ (this, run, invalidate?): Unsubscriber

Parameters

Name	Type
this	void
run	SubscriberWithPrevious<T>
invalidate?	Invalidator<T>

Returns

Unsubscriber

Overrides

ReadableWithPrevious.subscribe

Defined in

src/WritableWithPrevious.ts:7

Methods

set

▸ set(this, value): void

Set value and inform subscribers.

Parameters

Name	Type	Description
this	void	-
value	T	to set

Returns

void

Inherited from

Writable.set

Defined in

node_modules/svelte/types/index.d.ts:1628

---

update

▸ update(this, updater): void

Update value using callback and inform subscribers.

Parameters

Name	Type	Description
this	void	-
updater	Updater<T>	callback

Returns

void

Inherited from

Writable.update

Defined in

node_modules/svelte/types/index.d.ts:1634