signals-arc.pdf

@ManfredSteyer ManfredSteyer Angular Architectures with Signals

@ManfredSteyer Signal as Producer 4711 Consumer read set notify 4712

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@ManfredSteyer Manfred Steyer

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@ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […]
private _flights = signal<Flight[]>([]); readonly flights = this._flights.asReadonly(); async load(from: string, to: string) { const flights = await […]; this._flights.set(flights); } }

private _flights = signal<Flight[]>([]); readonly flights = this._flights.asReadonly(); private _from = signal('Hamburg'); readonly from = this._from.asReadonly(); private _to = signal('Graz'); readonly to = this._to.asReadonly(); […] }

private state = signal({ from: 'Hamburg', to: 'Graz', flights: [] as Flight[], […] }); […] }

private state = signal({ from: 'Hamburg', to: 'Graz', flights: [] as Flight[], […] }); readonly flights = computed(() => this.state().flights); readonly from = computed(() => this.state().from); […] }

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@ManfredSteyer select(selector) selectSignal(selector)

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@ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { private
state = signalState({ from: 'Paris', to: 'London', flights: [] as Flight[], basket: {} as Record<number, boolean>, }); readonly flights = this.state.flights; readonly from = this.state.from; […] }

readonly selected = computed( () => this.flights().filter((f) => this.basket()[f.id]) ); […] }

updateCriteria(from: string, to: string): void { patchState(this.state, { from, to }) } […] }

updateCriteria(from: string, to: string): void { patchState(this.state, (state) => ({ from, to })); } […] }

updateCriteria(from: string, to: string): void { patchState(this.state, updateRoute(from, to)); } […] } function updateRoute<T>(from: string, to: string) { return (state: T) => ({ from, to }) }

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@ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' },
[…] );

withState({ from: 'Paris', to: 'London', […] }), […] );

withState({ from: 'Paris', to: 'London', […] }), withComputed(([…]) => ({ […] })), withMethods(([…]) => ({ })), withHooks({ […] }) );

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@ManfredSteyer const BookingStore = signalStore( withEntities({ entity: type<FlightState>(), collection: 'flight'
}), );

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withState({ from: 'Paris', to: 'London', […] }), withSignals(([…]) => ({ […] })), withMethods(([…]) => ({ })), withHooks({ […] }), withCallState() );

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@ManfredSteyer Link to Article

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@ManfredSteyer Services + Signals NGRX NGRX Signal Store Different Flavors
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signals-arc.pdf

signals-arc.pdf

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