watchImmediate

类别

Watch

导出体积

117 B

上次更改

5 months ago

使用 { immediate: true } 监听值的简写形式。

使用方法

类似于 watch，但使用 { immediate: true }

import { watchImmediate } from '@vueuse/core'

const obj = ref('vue-use')

// 从某些外部存储/组合中更改值
obj.value = 'VueUse'

watchImmediate(obj, (updated) => {
  console.log(updated) // 控制台日志将被记录两次
})

类型声明

typescript

export declare function watchImmediate<
  T extends Readonly<WatchSource<unknown>[]>,
>(
  source: [...T],
  cb: WatchCallback<MapSources<T>, MapOldSources<T, true>>,
  options?: Omit<WatchOptions<true>, "immediate">,
): WatchStopHandle
export declare function watchImmediate<T>(
  source: WatchSource<T>,
  cb: WatchCallback<T, T | undefined>,
  options?: Omit<WatchOptions<true>, "immediate">,
): WatchStopHandle
export declare function watchImmediate<T extends object>(
  source: T,
  cb: WatchCallback<T, T | undefined>,
  options?: Omit<WatchOptions<true>, "immediate">,
): WatchStopHandle