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wtf is nanostores?

fryuni/nanostores — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2026-03-11

Audience · developerComplexity · 2/5Maintained

TL;DR

Nano Stores is a tiny (under 1KB) state management library that lets components across any framework share and react to data changes without bloating your app bundle.

Mindmap

mindmap
  root((repo))
    What it does
      Shares app state
      Notifies on change
      Stays tiny
    Tech stack
      React
      Vue and Svelte
      Plain JavaScript
    Use cases
      Share user profile data
      Derive computed values
      Lazy-load API data
    Audience
      Frontend developers
      Any framework team

Code map

Detail Auto

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filefunction / class

Why would anyone build with this?

REASON 1

Share current user or theme data across components without prop drilling.

REASON 2

Create a computed store that derives filtered data, like admin-only users, from another store.

REASON 3

Move API fetching and loading state out of components and into a reusable store.

REASON 4

Add shared state to a small project without adding bundle weight.

What's in the stack?

JavaScriptReactVueSvelteSolidLitAngular

How it stacks up

fryuni/nanostores0verflowme/alarm-clock0verflowme/seclists
Language—CSS—
Last pushed2026-03-112022-10-032020-05-03
MaintenanceMaintainedDormantDormant
Setup difficulty—easyeasy
Complexity2/52/51/5
Audiencedevelopervibe coderops devops

Figures from each repo's GitHub metadata at analysis time.

Yoink these prompts

Prompt 1
Show me how to create an atom store in Nano Stores to hold my app's current theme.
Prompt 2
Help me build a computed store that filters a user list down to admins only.
Prompt 3
Walk me through setting up a lazy store in Nano Stores that only fetches data when a component subscribes.
Prompt 4
Explain how to use Nano Stores with React so components only re-render when their specific store changes.

Frequently asked questions

wtf is nanostores?

Nano Stores is a tiny (under 1KB) state management library that lets components across any framework share and react to data changes without bloating your app bundle.

Is nanostores actively maintained?

Maintained — commit in last 6 months (last push 2026-03-11).

Who is nanostores for?

Mainly developer.

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