vben-aggregate-core-shared/dist/cache/index.cjs

vben-aggregate-core-shared package

'use strict';

class StorageManager {
  prefix;
  storage;
  constructor({
    prefix = "",
    storageType = "localStorage"
  } = {}) {
    this.prefix = prefix;
    this.storage = storageType === "localStorage" ? window.localStorage : window.sessionStorage;
  }
  /**
   * 清除所有带前缀的存储项
   */
  clear() {
    const keysToRemove = [];
    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() {
    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);
      }
    }
  }
  /**
   * 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(key, defaultValue = null) {
    const fullKey = this.getFullKey(key);
    const itemStr = this.storage.getItem(fullKey);
    if (!itemStr) {
      return defaultValue;
    }
    try {
      const item = 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 "${fullKey}":`, error);
      this.storage.removeItem(fullKey);
      return defaultValue;
    }
  }
  /**
   * 移除存储项
   * @param key 键
   */
  removeItem(key) {
    const fullKey = this.getFullKey(key);
    this.storage.removeItem(fullKey);
  }
  /**
   * 设置存储项
   * @param key 键
   * @param value 值
   * @param ttl 存活时间（毫秒）
   */
  setItem(key, value, ttl) {
    const fullKey = this.getFullKey(key);
    const expiry = ttl ? Date.now() + ttl : void 0;
    const item = { expiry, value };
    try {
      this.storage.setItem(fullKey, JSON.stringify(item));
    } catch (error) {
      console.error(`Error setting item with key "${fullKey}":`, error);
    }
  }
  /**
   * 获取完整的存储键
   * @param key 原始键
   * @returns 带前缀的完整键
   */
  getFullKey(key) {
    return `${this.prefix}-${key}`;
  }
}

exports.StorageManager = StorageManager;