Angular Architectures with Signals

Transcript

1. @ManfredSteyer ManfredSteyer Angular Architectures with Signals ANGULAR BELGRADE DAY 2023
2. @ManfredSteyer Signal as Producer 4711 Consumer read set notify 4712
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5. @ManfredSteyer Manfred Steyer
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7. @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); } }
8. @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); } }
9. @ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […] 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(); […] }
10. @ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […] private state = signal({ from: 'Hamburg', to: 'Graz', flights: [] as Flight[], […] }); […] }
11. @ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […] 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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13. @ManfredSteyer select(selector) selectSignal(selector)
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16. @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; […] }
17. @ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […] readonly selected = computed( () => this.flights().filter((f) => this.basket()[f.id]) ); […] }
18. @ManfredSteyer @Injectable({ providedIn: 'root' }) export class FlightBookingFacade { […] updateCriteria(from: string, to: string): void { patchState(this.state, { from, to }) } […] }
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21. @ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' }, […] );
22. @ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' }, withState({ from: 'Paris', to: 'London', […] }), […] );
23. @ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' }, withState({ from: 'Paris', to: 'London', […] }), withComputed(([…]) => ({ […] })), withMethods(([…]) => ({ })), withHooks({ […] }) );
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26. @ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' }, withState({ from: 'Paris', to: 'London', […] }), withSignals(([…]) => ({ […] })), withMethods(([…]) => ({ })), withHooks({ […] }), withCallState() );
27. @ManfredSteyer export const FlightBookingStore = signalStore( { providedIn: 'root' }, withState({ from: 'Paris', to: 'London', […] }), withSignals(([…]) => ({ […] })), withMethods(([…]) => ({ })), withHooks({ […] }), withCallState() );
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30. @ManfredSteyer const BooksStore = signalStore( withEntities<Book>({ collection: 'book' }), withEntities<Author>({ collection: 'author' }) );
31. @ManfredSteyer Free eBook (5th Edition) ANGULARarchitects.io/book Module Federation & Nx
32. @ManfredSteyer Services + Signals NGRX NGRX Signal Store Different Flavors rxMethod Custom Features
33. @ManfredSteyer d Slides & Examples Remote Company Workshops and Consulting http://angulararchitects.io