@xstate/store-angular

Angular adapter for @xstate/store.

Installation

npm install @xstate/store-angular

Quickstart

import { Component } from '@angular/core';
import { createStore, injectStore } from '@xstate/store-angular';
// ...

const store = createStore({
  context: { count: 0 },
  on: {
    inc: (ctx) => ({ ...ctx, count: ctx.count + 1 })
  }
});

@Component({
  selector: 'app-counter',
  template: `
    <button (click)="store.send({ type: 'inc' })">Count: {{ count() }}</button>
  `
})
export class CounterComponent {
  store = store;
  count = injectStore(store, (s) => s.context.count);
}

API

injectStore(store, selector?, compare?)

An Angular function that creates a signal subscribed to a store, selecting a value via an optional selector function.

import { Component } from '@angular/core';
import { createStore, injectStore } from '@xstate/store-angular';
// ...

const store = createStore({
  context: { count: 0 },
  on: {
    inc: (ctx) => ({ ...ctx, count: ctx.count + 1 })
  }
});

@Component({
  selector: 'app-counter',
  template: `<div>{{ count() }}</div>`
})
export class CounterComponent {
  count = injectStore(store, (s) => s.context.count);
  // or without selector (returns full snapshot)
  snapshot = injectStore(store);
}

Arguments:

• store - Store created with createStore()
• selector? - Function to select a value from snapshot
• compare? - Equality function (default: ===)

Returns: Readonly Angular signal of the selected value

Re-exports

All exports from @xstate/store are re-exported, including createStore, createStoreWithProducer, createAtom, and more.

See the XState Store docs for the full API, and the Angular-specific docs for more Angular examples.