useCycleList

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¥Cycle through a list of items.

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示例

source

Dog

用法

¥Usage

import { useCycleList } from '@vueuse/core'

const { state, next, prev, go } = useCycleList([
  'Dog',
  'Cat',
  'Lizard',
  'Shark',
  'Whale',
  'Dolphin',
  'Octopus',
  'Seal',
])

console.log(state.value) // 'Dog'

prev()

console.log(state.value) // 'Seal'

go(3)

console.log(state.value) // 'Shark'

类型声明

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: MaybeRefOrGetter<T[]>,
  options?: UseCycleListOptions<T>,
): UseCycleListReturn<T>
export interface UseCycleListReturn<T> {
  state: Ref<T>
  index: Ref<number>
  next: (n?: number) => T
  prev: (n?: number) => T
  /**
   * Go to a specific index
   */
  go: (i: number) => T
}

源代码

源代码 • 示例 • 文档

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