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import { isClient } from '@vueuse/core'
import type { Ref } from 'vue'
export function useMenuCloseOnEsc(open: Ref<boolean>) {
const handler = (e: KeyboardEvent) => {
if (e.key === 'Escape') {
e.preventDefault()
e.stopPropagation()
open.value = false
}
}
if (isClient) {
watch(open, (nextVal, _, cleanup) => {
// bind listener when `open` is truthy
if (nextVal) {
document.addEventListener('keydown', handler, true)
// if `open` is falsy then remove the event handler
} else {
document.removeEventListener('keydown', handler, true)
}
// cleanup is called whenever the watcher is re-evaluated or stopped
cleanup(() => {
document.removeEventListener('keydown', handler, true)
})
})
}
}