useMounted

使用ref记录挂载状态

Mounted state in ref.

例子

unmounted

import { useMounted } from '@vueuse/core'

const isMounted = useMounted()

import { useMounted } from '@vueuse/core'

const isMounted = useMounted()

这本质上是以下简写:

Which is essentially a shorthand of:

const isMounted = ref(false)

onMounted(() => {
  isMounted.value = true
})

const isMounted = ref(false)

onMounted(() => {
  isMounted.value = true
})

typescript

/**
 * Mounted state in ref.
 *
 * @see https://vueuse.org/useMounted
 * @param options
 */
export declare function useMounted(): Ref<boolean>

/**
 * Mounted state in ref.
 *
 * @see https://vueuse.org/useMounted
 * @param options
 */
export declare function useMounted(): Ref<boolean>

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