VueUse

not

NOT condition for ref.

Usage 

import { not } from '@vueuse/core'

const a = ref(true)

whenever(not(a), () => {
  console.log('a is now falsy!')
})
  • and
  • or
  • whenever

Type Declarations 

/**
 * `NOT` conditions for refs.
 *
 * @see https://vueuse.org/not
 */
export declare function not(v: MaybeRef<any>): ComputedRef<boolean>

Source

Source • Docs