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@ahoo-wang/fetcher-storage

v6.0.1

Published

A lightweight, cross-environment storage library with key-based storage and automatic environment detection. Provides consistent API for browser localStorage and in-memory storage with change notifications.

Readme

@ahoo-wang/fetcher-storage

使用序列化、缓存和变更通知存储一个类型化值。它适合符合浏览器 Storage 模型的小型应用 偏好或令牌;可查询或事务性数据应使用数据库。

安装

pnpm add @ahoo-wang/fetcher-eventbus @ahoo-wang/fetcher-storage

Peer 依赖为 @ahoo-wang/fetcher-eventbus。

示例

import { InMemoryStorage, KeyStorage } from '@ahoo-wang/fetcher-storage';

interface Preferences {
  theme: 'light' | 'dark';
}

const preferences = new KeyStorage<Preferences>({
  key: 'preferences',
  storage: new InMemoryStorage(),
  defaultValue: { theme: 'light' },
});

const removeListener = preferences.addListener({
  name: 'apply-theme',
  handle: ({ newValue }) => console.log(newValue?.theme),
});

preferences.set({ theme: 'dark' });

removeListener();
preferences.destroy();

核心能力

  • 浏览器 localStorage 与内存回退。
  • 每个 KeyStorage 实例缓存一个类型化值;reload() 从存储重新读取。
  • 默认 JSON 序列化,并支持按需自定义序列化器。
  • 类型化 { oldValue, newValue } 通知。
  • 显式移除监听并清理所有者生命周期;destroy() 关闭存储自己创建的事件总线。

文档

English · 许可证