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Leveraging the new NGRX Signal Store
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Manfred Steyer
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January 18, 2024
Programming
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Leveraging the new NGRX Signal Store
Manfred Steyer
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January 18, 2024
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Transcript
@ManfredSteyer ManfredSteyer Leveraging the new NGRX Signal Store
@ManfredSteyer Signal as Producer 4711 Consumer read set notify 4712
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer Manfred Steyer
@ManfredSteyer
@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; […] }
@ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […]
readonly selected = computed( () => this.flights().filter((f) => this.basket()[f.id]) ); […] }
@ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […]
updateCriteria(from: string, to: string): void { patchState(this.state, { from, to }) } […] }
@ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […]
updateCriteria(from: string, to: string): void { patchState(this.state, (state) => ({ from: state.to, to: state.from })); } […] }
@ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […]
updateCriteria(from: string, to: string): void { patchState(this.state, updateRoute(from, to)); } […] } function updateRoute<T>(from: string, to: string) { return (state: T) => ({ from: to, to: from }) }
@ManfredSteyer
@ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' },
[…] );
@ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' },
withState({ from: 'Paris', to: 'London', […] }), […] );
@ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' },
withState({ from: 'Paris', to: 'London', […] }), withComputed(([…]) => ({ […] })), withMethods(([…]) => ({ })), withHooks({ […] }) );
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer const BooksStore = signalStore( withEntities({ entity: type<Flight>(), collection: 'flight'
}), );
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer Michael Egger-Zikes Rainer Hahnekamp Manfred Steyer
@ManfredSteyer Free eBook (5th Edition) ANGULARarchitects.io/book Module Federation & Nx
@ManfredSteyer Services + Signals NGRX NGRX Signal Store Different Flavors
Custom Features Typed
@ManfredSteyer d Slides & Examples Remote Company Workshops and Consulting
http://angulararchitects.io