Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Successful with Signals: 3 Effective Rules @FrankenJS
Search
Manfred Steyer
PRO
May 14, 2024
0
210
Successful with Signals: 3 Effective Rules @FrankenJS
Manfred Steyer
PRO
May 14, 2024
Tweet
Share
More Decks by Manfred Steyer
See All by Manfred Steyer
Vertical Architectures for Scalable Angular Applications
manfredsteyer
PRO
0
120
Successful with Signals: 3 Effective Rules
manfredsteyer
PRO
0
74
Modern Angular Architectures With Nx and Lightweight Stores @ngBelgrade 2024
manfredsteyer
PRO
0
140
The New NGRX Signal Store for Angular 3+n Flavors @enterJS 2014 in Darmstadt
manfredsteyer
PRO
0
120
Native Federation: The Future of Micro Frontends in Angular
manfredsteyer
PRO
0
240
The New NGRX Signal Store for Angular: 3+n Flavors of the Signal Store
manfredsteyer
PRO
0
88
Micro Frontends with Modern Angular and Island Architectures @ijs London 2024
manfredsteyer
PRO
0
130
Modern State Management in Angular: 3+n Flavors of the Signal Store @ijs London 2024
manfredsteyer
PRO
0
110
Changed Rules: Architectures with Lightweight Stores
manfredsteyer
PRO
0
290
Featured
See All Featured
Web development in the modern age
philhawksworth
203
10k
Building an army of robots
kneath
300
42k
Automating Front-end Workflow
addyosmani
1358
200k
Mobile First: as difficult as doing things right
swwweet
218
8.7k
Gamification - CAS2011
davidbonilla
77
4.7k
Writing Fast Ruby
sferik
623
60k
The Cult of Friendly URLs
andyhume
74
5.8k
What’s in a name? Adding method to the madness
productmarketing
PRO
18
2.8k
Faster Mobile Websites
deanohume
300
30k
A Tale of Four Properties
chriscoyier
153
22k
KATA
mclloyd
18
12k
What the flash - Photography Introduction
edds
64
11k
Transcript
AngularArchitects.io | @ManfredSteyer Successful with Signals: 3 Effective Rules
None
None
None
Agenda • Austrian Desserts • Computed • Effects • RxJS
Interop • Stores
Result • 3 Rules (of thumb) • 2 Hints
About me… Manfred Steyer, ANGULARarchitects.io (Remote) Angular Workshops and Consulting
Google Developer Expert for Angular Blog, Books, Articles, and Talks about Angular Manfred Steyer
Austrian Desserts: Example App
Demo
Computed
Simple Reactivity with Signals Signal 4711 Consumer read set notify
4712
Signal Eventually Zone-less!
flights = signal<Flight[]>([]); const flights = await this.flightService.findAsPromise(from, to); this.flights.set(flights);
<div *ngFor="let f of flights()"> <flight-card [item]="f" /> </div>
from = signal('Paris'); to = signal('London'); flightRoute = computed(() =>
this.from() + ' to ' + this.to());
Demo Branch: 01a-add-signals
Architecture Rule #1 Synchronously derive state where possible
Effects
Demo Branch: 04-effects-starter
Architecture Rule #2 Avoid effects propagating state and signal writes
RxJS-Interop
Demo Branch: 05-rxjs-interop-starter
Hint #1 Signals play well together with RxJS
Hint #2 Avoid Race Conditions (e.g. RxJS and/or loading flag)
Stores
None
None
None
Stores Streamline Reactive Flow Component Store "Intention" Signal sync/ async
computed() computed()
Demo Branch: 07-state-service-starter
Architecture Rule #3 Stores make your reactive flow more manageable
Free eBook (2nd Edition) angularArchitects.io/modern
More: Angular Architecture Workshop • Maintainable Architectures with Modern Angular
• Strategic Design with Nx & Sheriff • Micro Frontends with Module Federation • Signals and Your Architecture: CD & Zone-less, NGRX & Signal Store, RxJS-Interop German Version in June: Online & Interactive angulararchitects.io/workshop-de
Conclusion Architecture Rule #1 Synchronously derive state where possible Architecture
Rule #2 Avoid effects propagating state and signal writes Architecture Rule #3 Stores make your reactive flow more manageable Component Store
Conclusion Hint #1 Signals play well together with RxJS Hint
#2 Avoid Race Conditions (e.g. RxJS and/or loading flag)
None
ManfredSteyer AngularArchitects.io Slides & Examples