isDefined

Category

Utilities

Export Size

86 B

Last Changed

3 years ago

Non-nullish checking type guard for Ref.

Usage

import { isDefined } from '@vueuse/core'

const example = ref(Math.random() ? 'example' : undefined) // Ref<string | undefined>

if (isDefined(example))
  example // Ref<string>

Type Declarations

export declare function isDefined<T>(
  v: Ref<T>,
): v is Ref<Exclude<T, null | undefined>>
export declare function isDefined<T>(
  v: ComputedRef<T>,
): v is ComputedRef<Exclude<T, null | undefined>>
export declare function isDefined<T>(v: T): v is Exclude<T, null | undefined>

Source

Source • Docs

Contributors

Anthony Fu

Glen

Changelog

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