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import { buildRegFn } from './buildRegFn' ;
import { useCallback , useLayoutEffect , useState } from 'react' ;
export interface StorageObject {
/**
* NOTICE: 与save不同，
*/
set : ( key : string , data : any ) = > Promise < void > ;
get : ( key : string , defaultVal? : any ) = > Promise < any > ;
remove : ( key : string ) = > Promise < void > ;
save : ( key : string , data : any ) = > Promise < void > ;
}
/**
* 持久化存储相关逻辑
*/
export const [ getStorage , setStorage ] =
buildRegFn < ( ) = > StorageObject > ( 'storage' ) ;
/**
* 管理持久化存储数据
* @param key 存储键
* @param defaultValue 默认值
*/
export function useStorage < T = any > (
key : string ,
defaultValue? : T
) : [ T | undefined , { set : ( v : T ) = > void ; save : ( v : T ) = > void } ] {
const [ value , setValue ] = useState < T | undefined > ( defaultValue ) ;
useLayoutEffect ( ( ) = > {
getStorage ( )
. get ( key )
. then ( ( data : T ) = > setValue ( data ? ? defaultValue ) ) ;
} , [ key ] ) ;
const set = useCallback (
( newVal : T ) = > {
setValue ( newVal ) ;
getStorage ( ) . set ( key , newVal ) ;
} ,
[ key ]
) ;
const save = useCallback (
( newVal : T ) = > {
setValue ( newVal ) ;
getStorage ( ) . save ( key , newVal ) ;
} ,
[ key ]
) ;
return [ value , { set , save } ] ;
}