storage.ts•2.46 kB
import { normalizeString } from './normalize'
export class StorageError extends Error {
constructor(message: string, public operation: 'get' | 'set' | 'remove', public key: string) {
super(message)
this.name = 'StorageError'
}
}
export function getStorageItem(key: string): string | null {
try {
const value = localStorage.getItem(key)
return normalizeString(value) || null
} catch (error) {
console.warn(`Failed to get localStorage item "${key}":`, error)
throw new StorageError(`Failed to get item from localStorage`, 'get', key)
}
}
export function setStorageItem(key: string, value: string): void {
try {
localStorage.setItem(key, value)
} catch (error) {
console.warn(`Failed to set localStorage item "${key}":`, error)
throw new StorageError(`Failed to set item to localStorage`, 'set', key)
}
}
export function removeStorageItem(key: string): void {
try {
localStorage.removeItem(key)
} catch (error) {
console.warn(`Failed to remove localStorage item "${key}":`, error)
throw new StorageError(`Failed to remove item from localStorage`, 'remove', key)
}
}
export function getStorageJSON<T = any>(key: string): T | null {
try {
const value = getStorageItem(key)
if (!value) return null
return JSON.parse(value) as T
} catch (error) {
console.warn(`Failed to parse JSON from localStorage item "${key}":`, error)
// 如果解析失败，清除无效数据
try {
removeStorageItem(key)
} catch {
// 忽略清除失败的错误
}
return null
}
}
export function setStorageJSON<T = any>(key: string, value: T): void {
try {
const jsonString = JSON.stringify(value)
setStorageItem(key, jsonString)
} catch (error) {
console.warn(`Failed to stringify and set localStorage item "${key}":`, error)
throw new StorageError(`Failed to set JSON item to localStorage`, 'set', key)
}
}
export function isStorageAvailable(): boolean {
try {
const testKey = '__storage_test__'
localStorage.setItem(testKey, 'test')
localStorage.removeItem(testKey)
return true
} catch {
return false
}
}
export function cleanupInvalidStorage(keys: string[]): void {
keys.forEach(key => {
try {
const value = localStorage.getItem(key)
if (value && !normalizeString(value)) {
removeStorageItem(key)
}
} catch {
// 忽略清理过程中的错误
}
})
}