VueUse中文文档useCycleList
Cycle through a list of items.
Learn how to use useCycleList to create an image carousel with this FREE video lesson from Vue School!例子
Dog
Usage
ts
import { useCycleList } from '@vueuse/core'
const { state, next, prev } = useCycleList([
'Dog',
'Cat',
'Lizard',
'Shark',
'Whale',
'Dolphin',
'Octopus',
'Seal',
])
console.log(state.value) // 'Dog'
prev()
console.log(state.value) // 'Seal'
import { useCycleList } from '@vueuse/core'
const { state, next, prev } = useCycleList([
'Dog',
'Cat',
'Lizard',
'Shark',
'Whale',
'Dolphin',
'Octopus',
'Seal',
])
console.log(state.value) // 'Dog'
prev()
console.log(state.value) // 'Seal'
Type Declarations
typescript
export interface UseCycleListOptions<T> {
/**
* The initial value of the state.
* A ref can be provided to reuse.
*/
initialValue?: MaybeRef<T>
/**
* The default index when
*/
fallbackIndex?: number
/**
* Custom function to get the index of the current value.
*/
getIndexOf?: (value: T, list: T[]) => number
}
/**
* Cycle through a list of items
*
* @see https://vueuse.org/useCycleList
*/
export declare function useCycleList<T>(
list: T[],
options?: UseCycleListOptions<T>
): UseCycleListReturn<T>
export interface UseCycleListReturn<T> {
state: Ref<T>
index: Ref<number>
next: (n?: number) => T
prev: (n?: number) => T
}
export interface UseCycleListOptions<T> {
/**
* The initial value of the state.
* A ref can be provided to reuse.
*/
initialValue?: MaybeRef<T>
/**
* The default index when
*/
fallbackIndex?: number
/**
* Custom function to get the index of the current value.
*/
getIndexOf?: (value: T, list: T[]) => number
}
/**
* Cycle through a list of items
*
* @see https://vueuse.org/useCycleList
*/
export declare function useCycleList<T>(
list: T[],
options?: UseCycleListOptions<T>
): UseCycleListReturn<T>
export interface UseCycleListReturn<T> {
state: Ref<T>
index: Ref<number>
next: (n?: number) => T
prev: (n?: number) => T
}