86 lines
2.1 KiB
TypeScript
86 lines
2.1 KiB
TypeScript
import AsyncStorage from '@react-native-async-storage/async-storage'
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interface StorageData {
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[key: string]: string
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}
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class Storage {
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private readonly STORAGE_KEY = 'app_storage'
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private cache: StorageData = {}
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private isInitialized = false
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// 初始化存储，从本地存储加载
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private async init() {
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if (this.isInitialized) return
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try {
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const storedData = await AsyncStorage.getItem(this.STORAGE_KEY)
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if (storedData) {
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this.cache = JSON.parse(storedData)
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}
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} catch (error) {
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console.warn('初始化存储失败:', error)
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this.cache = {}
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}
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this.isInitialized = true
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}
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// 获取存储值
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async get<T>(key: string): Promise<T | null> {
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await this.init()
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const value = this.cache[key]
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// console.log('get-----------', value)
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return value ? (value as unknown as T) : null
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}
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// 设置存储
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async set(key: string, value: any): Promise<void> {
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await this.init()
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this.cache[key] = value
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// 保存到本地存储
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try {
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await AsyncStorage.setItem(this.STORAGE_KEY, JSON.stringify(this.cache))
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// console.log('💾 已存储:', key, '->', value)
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} catch (error) {
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console.warn('保存存储失败:', error)
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}
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}
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// 清理所有存储
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async clear(): Promise<void> {
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this.cache = {}
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try {
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await AsyncStorage.removeItem(this.STORAGE_KEY)
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console.log('🗑️ 已清理所有存储')
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} catch (error) {
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console.warn('清理存储失败:', error)
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}
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}
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}
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// 导出单例实例
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export const storage = new Storage()
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// 为了向后兼容，保留原来的视频缓存接口
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export const videoUrlCache = {
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async get(originalUrl: string, width: number = 256): Promise<string | null> {
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const key = `video_${originalUrl}_${width}`
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return await storage.get(key)
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},
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async set(originalUrl: string, finalUrl: string, width: number = 256): Promise<void> {
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const key = `video_${originalUrl}_${width}`
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await storage.set(key, finalUrl)
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},
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async clear(): Promise<void> {
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await storage.clear()
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},
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}
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