refDefault

将默认值应用于参考。

¥Apply default value to a ref.

用法

¥Usage

import { refDefault, useStorage } from '@vueuse/core'

const raw = useStorage('key')
const state = refDefault(raw, 'default')

raw.value = 'hello'
console.log(state.value) // hello

raw.value = undefined
console.log(state.value) // default

类型声明

/**
 * Apply default value to a ref.
 */
export declare function refDefault<T>(
  source: Ref<T | undefined | null>,
  defaultValue: T,
): Ref<T>

源代码

源代码 • 文档

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