Files
json-render/packages/jotai
Chris Tate 3201854481 external store adapter for state management (#139)
* external store adapter for state management

Introduces a `StateStore` interface that lets users plug in their own state management (Redux, Zustand, XState, etc.) instead of being locked into the internal `useState`-based store.

- Added `StateStore` interface and `createStateStore()` factory to `@json-render/core`
- `StateProvider`, `JSONUIProvider`, and `createRenderer` now accept an optional `store` prop for controlled mode
- When `store` is provided, it becomes the single source of truth (`initialState`/`onStateChange` are ignored)
- When `store` is omitted, everything works exactly as before (fully backward compatible)
- Applied across all platform packages: react, react-native, react-pdf

* improvements

* update docs

* improvements

* fixes

* fix CI

* add store adapters

* fixes

* fixes

* fixes

* fixes

* e2e tests

* improvements

* fixes

* fixes

* fixes

* fixes

* update lockfile for widened react peer deps

* fix dashboard build
2026-02-23 23:12:57 -06:00
..

@json-render/jotai

Jotai adapter for json-render's StateStore interface. Wire a Jotai atom as the state backend for json-render.

Installation

npm install @json-render/jotai @json-render/core @json-render/react jotai

Usage

import { atom } from "jotai";
import { jotaiStateStore } from "@json-render/jotai";
import { StateProvider } from "@json-render/react";

// 1. Create an atom that holds the json-render state
const uiAtom = atom<Record<string, unknown>>({ count: 0 });

// 2. Create the json-render StateStore adapter
const store = jotaiStateStore({ atom: uiAtom });

// 3. Use it
<StateProvider store={store}>
  {/* json-render reads/writes go through Jotai */}
</StateProvider>

With a shared Jotai store

If your app already uses a Jotai <Provider> with a custom store, pass it so both json-render and your components share the same state:

import { atom, createStore } from "jotai";
import { Provider as JotaiProvider } from "jotai/react";
import { jotaiStateStore } from "@json-render/jotai";
import { StateProvider } from "@json-render/react";

const jStore = createStore();
const uiAtom = atom<Record<string, unknown>>({ count: 0 });

const store = jotaiStateStore({ atom: uiAtom, store: jStore });

<JotaiProvider store={jStore}>
  <StateProvider store={store}>
    {/* Both json-render and useAtom() see the same state */}
  </StateProvider>
</JotaiProvider>

API

jotaiStateStore(options)

Creates a StateStore backed by a Jotai atom.

Options

Option Type Required Description
atom WritableAtom<StateModel, [StateModel], void> Yes A writable atom holding the state model
store Jotai Store No The Jotai store instance. Defaults to a new store created internally. Pass your own to share state with <Provider>.