watchImmediate
使用 { immediate: true } 监听值的简写形式。
使用方法
类似于 watch，但使用 { immediate: true }
ts
import { watchImmediate } from '@vueuse/core'
const obj = ref('vue-use')
// 从某些外部存储/组合中更改值
obj.value = 'VueUse'
watchImmediate(obj, (updated) => {
console.log(updated) // 控制台日志将被记录两次
})类型声明
ts
export declare function watchImmediate<
T extends Readonly<WatchSource<unknown>[]>,
>(
source: [...T],
cb: WatchCallback<MapSources<T>, MapOldSources<T, true>>,
options?: Omit<WatchOptions<true>, "immediate">,
): WatchHandle
export declare function watchImmediate<T>(
source: WatchSource<T>,
cb: WatchCallback<T, T | undefined>,
options?: Omit<WatchOptions<true>, "immediate">,
): WatchHandle
export declare function watchImmediate<T extends object>(
source: T,
cb: WatchCallback<T, T | undefined>,
options?: Omit<WatchOptions<true>, "immediate">,
): WatchHandle源码
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