watchPausable

可暂停监视

¥Pausable watch

提示

可暂停监听器 已添加到 Vue 自 3.5 版本起，请在支持的版本上使用 const { stop, pause, resume } = watch(watchSource, callback)。

¥Pausable Watcher has been added to Vue since 3.5, use const { stop, pause, resume } = watch(watchSource, callback) instead on supported versions.

示例

源代码playground (beta)

Type something below to trigger the watch

Log

用法

¥Usage

正常使用 watch，但返回额外的 pause() 和 resume() 函数进行控制。

¥Use as normal the watch, but return extra pause() and resume() functions to control.

import { watchPausable } from '@vueuse/core'
import { nextTick, shallowRef } from 'vue'

const source = shallowRef('foo')

const { stop, pause, resume } = watchPausable(
  source,
  v => console.log(`Changed to ${v}!`),
)

source.value = 'bar'
await nextTick() // Changed to bar!

pause()

source.value = 'foobar'
await nextTick() // (nothing happend)

resume()

source.value = 'hello'
await nextTick() // Changed to hello!