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isDefined

Ref 的非无效检查类型保护。

¥Non-nullish checking type guard for Ref.

用法

¥Usage

ts
import { 
isDefined
} from '@vueuse/core'
const
example
=
ref
(
Math
.
random
() ? 'example' :
undefined
) // Ref<string | undefined>
if (
isDefined
(
example
))
example
// Ref<string>