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yy-storage

v1.0.0

Published

统一的本地存储管理工具,支持过期时间、版本控制等功能

Readme

yy-storage

统一的本地存储管理工具,支持过期时间、版本控制等功能。

安装

npm install yy-storage

使用

基础用法

import storage from 'yy-storage';

// 设置值
storage.set('user', { name: 'John', age: 30 });

// 获取值
const user = storage.get('user');
// { name: 'John', age: 30 }

// 移除值
storage.remove('user');

// 检查是否存在
if (storage.has('user')) {
  // ...
}

SessionStorage

import { sessionStore } from 'yy-storage';

sessionStore.set('temp', 'value');
const temp = sessionStore.get('temp');

带过期时间的存储

import storage from 'yy-storage';

// 设置 30 分钟后过期
storage.setWithExpire('token', 'abc123', 30);

// 30 分钟后自动失效
setTimeout(() => {
  const token = storage.get('token'); // null
}, 31 * 60 * 1000);

自定义存储实例

import { createStorage } from 'yy-storage';
import logger from 'logger';

// 创建自定义前缀的存储
const myStorage = createStorage('myapp_', localStorage, logger);

myStorage.set('key', 'value');

API

StorageManager 类

方法

  • set(key, value, options) - 设置存储
  • get(key, defaultValue) - 获取存储
  • remove(key) - 移除存储
  • clear() - 清空所有带前缀的存储
  • keys() - 获取所有键名
  • has(key) - 检查键是否存在
  • setWithExpire(key, value, expireMinutes) - 设置带过期时间的存储
  • getSize() - 获取存储大小(KB)

createStorage(prefix, storageType, logger)

创建自定义存储实例。

参数:

  • prefix (string) - 键名前缀
  • storageType (Storage) - 存储类型,默认 localStorage
  • logger (Logger) - 日志实例(可选)

特性

  • ✅ 自动版本控制
  • ✅ 过期时间支持
  • ✅ 键名前缀隔离
  • ✅ 错误处理
  • ✅ TypeScript 支持
  • ✅ 可配置日志