yangshun

yangshun / greatstorage

Public

Supercharged localStorage — store any data type, key expiration, namespacing, and schema validation

63
2
100% credibility
Found Mar 10, 2026 at 43 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

greatstorage enhances browser storage to handle complex data like lists and dates, add expiration times, organize with prefixes, and validate contents safely.

How It Works

1
🔍 Find a smarter way to save

You hear about greatstorage, a helper that lets web apps remember lists, dates, favorites, and more without losing details.

2
📦 Add it to your web app

You bring it into your project easily so your app can start using better saving right away.

3
✨ Create your magic saver

You set up a simple storage buddy that handles all the tricky saving automatically.

4
💾 Save user stuff effortlessly

You store user choices like themes, shopping lists, or notes, and it keeps everything perfect.

5
⏰ Make temp info vanish

You add timers so login passes or session notes disappear when no longer needed.

6
🔍 Get back safe data

You pull info anytime, and it checks everything is right before handing it over.

🎉 App remembers like magic

Your web app now saves and recalls everything smoothly, making users happy and coming back.

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Star Growth

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AI-Generated Review

What is greatstorage?

greatstorage supercharges localStorage in TypeScript apps, letting you store any data type—Sets, Maps, Dates, RegExps, BigInts, even circular refs—without JSON stringify/parse headaches. Add key expiration via TTL or absolute timestamps, namespacing with prefixes, and schema validation using Zod or Valibot on reads. It wraps any Storage backend, including sessionStorage or in-memory for tests/SSR.

Why is it gaining traction?

Unlike basic wrappers, it handles rich JS types out of the box via smart serialization, lazy-cleans expired data on get, and isolates keys via namespacing to avoid clashes. Schema validation catches tampered user data, and helpers like getOrInit/updateItem cut boilerplate for counters or prefs. Tree-shakeable dual ESM/CJS builds keep bundles lean.

Who should use this?

Frontend devs building SPAs with localStorage for user settings, temp tokens, or carts in React/Vue/Svelte. Ideal for apps needing type-safe persistence with expiration, like auth sessions or feature flags, especially in SSR setups requiring memory fallbacks. Skip if you need async drivers or cross-tab sync.

Verdict

Grab it for quick localStorage wins—solid docs, full tests, intuitive API—but low 22 stars and 1.0% credibility score mean it's early; watch for adoption before production scale. Great for prototypes or side projects.

(187 words)

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