useCached

使用自定义比较器缓存引用。

¥Cache a ref with a custom comparator.

示例

source

Value: 42

Extra: 0

Cached Value: 42

Cached Extra: 0

Temp Value:

Local Extra:

用法

¥Usage

TypeScript

import { useCached } from '@vueuse/core'

interface Data {
  value: number
  extra: number
}

const source = ref<Data>({ value: 42, extra: 0 })
const cached = useCached(source, (a, b) => a.value === b.value)

source.value = {
  value: 42,
  extra: 1,
}

console.log(cached.value) // { value: 42, extra: 0 }

source.value = {
  value: 43,
  extra: 1,
}

console.log(cached.value) // { value: 43, extra: 1 }

import { useCached } from '@vueuse/core'
const source = ref({ value: 42, extra: 0 })
const cached = useCached(source, (a, b) => a.value === b.value)
source.value = {
  value: 42,
  extra: 1,
}
console.log(cached.value) // { value: 42, extra: 0 }
source.value = {
  value: 43,
  extra: 1,
}
console.log(cached.value) // { value: 43, extra: 1 }

类型声明

export declare function useCached<T>(
  refValue: Ref<T>,
  comparator?: (a: T, b: T) => boolean,
  watchOptions?: WatchOptions,
): Ref<T>

源代码

源代码 • 示例 • 文档

变更日志

No recent changes