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packages/@core/base/shared/src/cache/index.ts

@@ -0,0 +1 @@
+export * from './storage-manager';

packages/@core/base/shared/src/cache/storage-manager.ts

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+type StorageType = 'localStorage' | 'sessionStorage';
+
+interface StorageManagerOptions {
+  prefix?: string;
+  storageType?: StorageType;
+}
+
+interface StorageItem<T> {
+  expiry?: number;
+  value: T;
+}
+
+class StorageManager {
+  private prefix: string;
+  private storage: Storage;
+
+  constructor({
+    prefix = '',
+    storageType = 'localStorage',
+  }: StorageManagerOptions = {}) {
+    this.prefix = prefix;
+    this.storage =
+      storageType === 'localStorage'
+        ? window.localStorage
+        : window.sessionStorage;
+  }
+
+  /**
+   * 清除所有带前缀的存储项
+   */
+  clear(): void {
+    const keysToRemove: string[] = [];
+    for (let i = 0; i < this.storage.length; i++) {
+      const key = this.storage.key(i);
+      if (key && key.startsWith(this.prefix)) {
+        keysToRemove.push(key);
+      }
+    }
+    keysToRemove.forEach((key) => this.storage.removeItem(key));
+  }
+
+  /**
+   * 清除所有过期的存储项
+   */
+  clearExpiredItems(): void {
+    for (let i = 0; i < this.storage.length; i++) {
+      const key = this.storage.key(i);
+      if (key && key.startsWith(this.prefix)) {
+        const shortKey = key.replace(this.prefix, '');
+        this.getItem(shortKey); // 调用 getItem 方法检查并移除过期项
+      }
+    }
+  }
+
+  /**
+   * 获取存储项
+   * @param key 键
+   * @param defaultValue 当项不存在或已过期时返回的默认值
+   * @returns 值，如果项已过期或解析错误则返回默认值
+   */
+  getItem<T>(key: string, defaultValue: null | T = null): null | T {
+    const fullKey = this.getFullKey(key);
+    const itemStr = this.storage.getItem(fullKey);
+    if (!itemStr) {
+      return defaultValue;
+    }
+
+    try {
+      const item: StorageItem<T> = JSON.parse(itemStr);
+      if (item.expiry && Date.now() > item.expiry) {
+        this.storage.removeItem(fullKey);
+        return defaultValue;
+      }
+      return item.value;
+    } catch (error) {
+      console.error(`Error parsing item with key "${fullKey}":`, error);
+      this.storage.removeItem(fullKey); // 如果解析失败，删除该项
+      return defaultValue;
+    }
+  }
+
+  /**
+   * 移除存储项
+   * @param key 键
+   */
+  removeItem(key: string): void {
+    const fullKey = this.getFullKey(key);
+    this.storage.removeItem(fullKey);
+  }
+
+  /**
+   * 设置存储项
+   * @param key 键
+   * @param value 值
+   * @param ttl 存活时间（毫秒）
+   */
+  setItem<T>(key: string, value: T, ttl?: number): void {
+    const fullKey = this.getFullKey(key);
+    const expiry = ttl ? Date.now() + ttl : undefined;
+    const item: StorageItem<T> = { expiry, value };
+    try {
+      this.storage.setItem(fullKey, JSON.stringify(item));
+    } catch (error) {
+      console.error(`Error setting item with key "${fullKey}":`, error);
+    }
+  }
+
+  /**
+   * 获取完整的存储键
+   * @param key 原始键
+   * @returns 带前缀的完整键
+   */
+  private getFullKey(key: string): string {
+    return `${this.prefix}-${key}`;
+  }
+}
+
+export { StorageManager };

packages/@core/base/shared/src/cache/types.ts

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+type StorageType = 'localStorage' | 'sessionStorage';
+
+interface StorageValue<T> {
+  data: T;
+  expiry: null | number;
+}
+
+interface IStorageCache {
+  clear(): void;
+  getItem<T>(key: string): null | T;
+  key(index: number): null | string;
+  length(): number;
+  removeItem(key: string): void;
+  setItem<T>(key: string, value: T, expiryInMinutes?: number): void;
+}
+
+export type { IStorageCache, StorageType, StorageValue };