Source: https://tanstack.com/store/latest/docs/reference/interfaces/derivedoptions

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On this page

• Interface: DerivedOptions<TState, TArr>

• Type Parameters

• Properties

• deps

• fn()

• Parameters

• props

• Returns

• onSubscribe()?

• Parameters

• listener

• derived

• Returns

• Returns

• onUpdate()?

• Returns

DerivedOptions

Copy Markdown

Interface: DerivedOptions<TState, TArr>
=======================================

Defined in: derived.ts:45

Type Parameters
---------------

• TState

• TArr extends ReadonlyArray< | Derived <any> | Store <any>> = ReadonlyArray<any>

Properties
---------- ### deps

ts

deps: TArr;


deps: TArr;

Defined in: derived.ts:54

---

### fn()

ts

fn: (props) => TState;


fn: (props) => TState;

Defined in: derived.ts:58

Values of the deps from before and after the current invocation of fn

#### Parameters ##### props

DerivedFnProps <TArr>

#### Returns

TState

---

### onSubscribe()?

ts

optional onSubscribe: (listener, derived) => () => void;


optional onSubscribe: (listener, derived) => () => void;

Defined in: derived.ts:49

#### Parameters ##### listener

Listener<TState>

##### derived

Derived <TState>

#### Returns

Function

##### Returns

void

---

### onUpdate()?

ts

optional onUpdate: () => void;


optional onUpdate: () => void;

Defined in: derived.ts:53

#### Returns

void

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