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import { buildRegFn } from './buildReg';
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import { useCallback, useLayoutEffect, useState } from 'react';
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export interface StorageObject {
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/**
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* NOTICE: 与save不同， set存储 1 天
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*/
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set: (key: string, data: any) => Promise<void>;
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get: (key: string, defaultVal?: any) => Promise<any>;
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remove: (key: string) => Promise<void>;
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save: (key: string, data: any) => Promise<void>;
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}
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/**
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* 持久化存储相关逻辑
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*/
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export const [getStorage, setStorage] =
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buildRegFn<() => StorageObject>('storage');
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/**
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* 持久化hook的缓存, 减少因一步获取数据导致的gap
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*/
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const useStorageCache = new Map<string, any>();
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/**
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* 管理持久化存储数据
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* @param key 存储键
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* @param defaultValue 默认值
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*/
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export function useStorage<T = any>(
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key: string,
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defaultValue?: T
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): [T | undefined, { set: (v: T) => void; save: (v: T) => void }] {
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const [value, setValue] = useState<T | undefined>(
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useStorageCache.get(key) ?? defaultValue
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);
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useLayoutEffect(() => {
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getStorage()
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.get(key)
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.then((data: T) => {
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setValue(data ?? defaultValue);
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useStorageCache.set(key, data ?? defaultValue);
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});
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}, [key]);
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const set = useCallback(
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(newVal: T) => {
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setValue(newVal);
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getStorage().set(key, newVal);
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useStorageCache.set(key, newVal);
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},
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[key]
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);
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const save = useCallback(
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(newVal: T) => {
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setValue(newVal);
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getStorage().save(key, newVal);
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useStorageCache.set(key, newVal);
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},
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[key]
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);
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return [value, { set, save }];
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}
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