element-plus/packages/hooks/use-prevent-global/index.ts
三咲智子 bbd16a08e9
refactor(hooks): refactor hooks (#4253)
* refactor(hooks): remove use-css-var

* refactor(hooks): remove use-events

* refactor(hooks): remove use-migrating

* refactor(hooks): remove use-transition

* refactor(hooks): named export useAttrs

* refactor(hooks): named export useFocus

* refactor(hooks): refactor useFormItem

* refactor(hooks): refactor useGlobalConfig

* refactor(hooks): refactor useLocale

* refactor(hooks): refactor useLockscreen

* refactor(hooks): refactor useModal

* refactor(hooks): refactor useModelToggle

* refactor(hooks): refactor usePreventGlobal

* refactor(hooks): refactor useRestoreActive

* refactor(hooks): refactor useTeleport

* refactor(hooks): refactor useThrottleRender

* refactor(hooks): refactor useTimeout

* refactor(hooks): refactor useTransitionFallthrogh
2021-11-29 15:58:44 +08:00

26 lines
614 B
TypeScript

import { watch } from 'vue'
import { useEventListener } from '@vueuse/core'
import type { Ref } from 'vue'
export const usePreventGlobal = <E extends keyof DocumentEventMap>(
indicator: Ref<boolean>,
evt: E,
cb: (e: DocumentEventMap[E]) => boolean
) => {
const prevent = (e: DocumentEventMap[E]) => {
if (cb(e)) e.stopImmediatePropagation()
}
let stop: (() => void) | undefined = undefined
watch(
() => indicator.value,
(val) => {
if (val) {
stop = useEventListener(document, evt, prevent, true)
} else {
stop?.()
}
},
{ immediate: true }
)
}