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
863 B
863 B
category
| category |
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| Browser |
usePerformanceObserver
Observe performance metrics.
Usage
import { usePerformanceObserver } from '@vueuse/core'
const entrys = ref<PerformanceEntry[]>([])
usePerformanceObserver({
entryTypes: ['paint'],
}, (list) => {
entrys.value = list.getEntries()
})
Type Declarations
export type UsePerformanceObserverOptions = PerformanceObserverInit &
ConfigurableWindow & {
/**
* Start the observer immediate.
*
* @default true
*/
immediate?: boolean
}
/**
* Observe performance metrics.
*
* @see https://vueuse.org/usePerformanceObserver
* @param options
*/
export declare function usePerformanceObserver(
options: UsePerformanceObserverOptions,
callback: PerformanceObserverCallback,
): {
isSupported: UseSupportedReturn
start: () => void
stop: () => void
}