fetcher-storage

Manage typed key-value storage across browser and Node.js environments.

15|4|Updated Aug 23, 2025
One-click install
npx skills add https://github.com/Ahoo-Wang/fetcher --skill fetcher-storage
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: fetcher-storage
Source: https://github.com/Ahoo-Wang/fetcher/tree/main/skills/fetcher-storage
Command: npx skills add https://github.com/Ahoo-Wang/fetcher --skill fetcher-storage

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Provides a unified solution for storing typed data across different environments, enabling cross-platform caching and synchronization.

Core Features & Use Cases

  • Cross-environment Storage: Supports localStorage in browsers and in-memory storage in Node.js for flexible data persistence.
  • Typed Key-Value Storage: Ensures data is stored and retrieved in strongly typed formats, reducing errors.
  • Change Notifications: Allows listening to storage changes for reactive updates.
  • Use Case: Store user preferences in a web app and synchronize updates across tabs or sessions effortlessly.

Quick Start

Use the fetcher-storage skill to save user data and react to changes instantly.

Frequently Asked Questions about fetcher-storage

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I synchronize localStorage changes across multiple browser tabs?

You can synchronize localStorage changes across tabs by using change event notifications. This allows your application to listen for storage modifications and update reactive state automatically across different sessions.

What is typed key-value storage and why use it for caching?

Typed key-value storage ensures data is stored and retrieved in strongly typed formats, reducing runtime errors. It allows you to maintain consistent data structures for cross-platform caching and seamless state synchronization.

Can I use browser storage mechanisms in a Node.js environment?

Yes, this approach supports cross-environment storage by utilizing localStorage in browsers and in-memory storage in Node.js. This ensures flexible data persistence across different platforms without changing your implementation.

What is the best way to manage cross-platform key-value storage?

The best way to manage cross-platform storage is using a unified solution that supports both browser localStorage and Node.js in-memory structures. This ensures typed data handling and change notifications for reactive updates.

How do I listen to storage changes for reactive user preference updates?

You listen to storage changes by subscribing to change event notifications. This mechanism triggers reactive updates instantly whenever user preferences or underlying stored data are modified, keeping sessions synchronized.

Does sessionStorage support the same change notifications as localStorage?

Yes, sessionStorage is supported alongside localStorage and in-memory storage for cross-platform data persistence. It includes change event notifications to facilitate seamless state synchronization across different storage mechanisms.