useMemory
响应式内存信息。
示例
你的浏览器不支持性能内存 API
使用方法
ts
import { useMemory } from '@vueuse/core'
const { isSupported, memory } = useMemory()类型声明
显示类型声明
ts
/**
* Performance.memory
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/Performance/memory
*/
export interface MemoryInfo {
/**
* 上下文可用的堆的最大大小(以字节为单位)。
*/
readonly jsHeapSizeLimit: number
/**
* 分配的堆的总大小(以字节为单位)。
*/
readonly totalJSHeapSize: number
/**
* 当前活动的 JS 堆段大小(以字节为单位)。
*/
readonly usedJSHeapSize: number
[Symbol.toStringTag]: "MemoryInfo"
}
export interface UseMemoryOptions extends ConfigurableScheduler {
/**
* Start the timer immediately
*
* @deprecated Please use `scheduler` option instead
* @default true
*/
immediate?: boolean
/**
* Execute the callback immediately after calling `resume`
*
* @deprecated Please use `scheduler` option instead
* @default false
*/
immediateCallback?: boolean
/** @deprecated Please use `scheduler` option instead */
interval?: number
}
export interface UseMemoryReturn extends Supportable {
memory: Ref<MemoryInfo | undefined>
}
/**
* 响应式内存信息
*
* @see https://vueuse.org/useMemory
* @param options
*
* @__NO_SIDE_EFFECTS__
*/
export declare function useMemory(options?: UseMemoryOptions): UseMemoryReturn