4a3ce4cc1d
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
1020 B
1020 B
category
| category |
|---|
| Watch |
watchOnce
Shorthand for watching value with { once: true }. Once the callback fires once, the watcher will be stopped.
See Vue's docs for full details.
Usage
Similar to watch, but with { once: true }
import { watchOnce } from '@vueuse/core'
watchOnce(source, () => {
// triggers only once
console.log('source changed!')
})
Type Declarations
export declare function watchOnce<T extends Readonly<MultiWatchSources>>(
source: [...T],
cb: WatchCallback<MapSources<T>, MapOldSources<T, true>>,
options?: Omit<WatchOptions<true>, "once">,
): WatchHandle
export declare function watchOnce<T>(
source: WatchSource<T>,
cb: WatchCallback<T, T | undefined>,
options?: Omit<WatchOptions<true>, "once">,
): WatchHandle
export declare function watchOnce<T extends object>(
source: T,
cb: WatchCallback<T, T | undefined>,
options?: Omit<WatchOptions<true>, "once">,
): WatchHandle