elk/composables/vue.ts
Joaquín Sánchez ab2881b9a2
refactor: remove useHeadFixed workaround (#1938)
Co-authored-by: Ayaka Rizumu <464388324@qq.com>
2023-04-01 04:14:12 -07:00

37 lines
970 B
TypeScript

import type { ComponentInternalInstance } from 'vue'
import { onActivated, onDeactivated, ref } from 'vue'
export const isHydrated = ref(false)
export function onHydrated(cb: () => unknown) {
watchOnce(isHydrated, () => cb(), { immediate: isHydrated.value })
}
/**
* ### Whether the current component is running in the background
*
* for handling problems caused by the keepalive function
*/
export function useDeactivated() {
const deactivated = ref(false)
onActivated(() => deactivated.value = false)
onDeactivated(() => deactivated.value = true)
return deactivated
}
/**
* ### When the component is restored from the background
*
* for handling problems caused by the keepalive function
*/
export function onReactivated(hook: Function, target?: ComponentInternalInstance | null): void {
const initial = ref(true)
onActivated(() => {
if (initial.value)
return
hook()
}, target)
onDeactivated(() => initial.value = false)
}