Add comprehensive reference documentation for: - Vitest: environments, projects/workspaces, type testing, vi utilities - Pinia: HMR, Nuxt integration, SSR setup - Vue: built-in components (Transition, Teleport, Suspense, KeepAlive) and advanced directives
37 lines
566 B
Markdown
37 lines
566 B
Markdown
---
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category: '@Math'
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alias: not
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---
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# logicNot
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`NOT` condition for ref.
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## Usage
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```ts
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import { whenever } from '@vueuse/core'
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import { logicNot } from '@vueuse/math'
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const a = ref(true)
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whenever(logicNot(a), () => {
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console.log('a is now falsy!')
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})
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```
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## Type Declarations
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```ts
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/**
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* `NOT` conditions for refs.
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*
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* @see https://vueuse.org/logicNot
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*
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* @__NO_SIDE_EFFECTS__
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*/
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export declare function logicNot(v: MaybeRefOrGetter<any>): ComputedRef<boolean>
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/** @deprecated use `logicNot` instead */
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export declare const not: typeof logicNot
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```
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