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 @Fra...
Search
Manfred Steyer
PRO
May 14, 2024
0
290
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
The Price of Micro Frontends… and Your Alternatives @bastacon 2025 in Frankfurt
manfredsteyer
PRO
0
11
Your Architecture as a Crime Scene:Forensic Analysis @bastacon 2025 in Frankfurt
manfredsteyer
PRO
0
7
Modern Angular with Signals and Signal StoreNew Rules for Your Architecture @bastacon 2025 in Frankfurt
manfredsteyer
PRO
0
3
Effective Signals in Angular 19+: Rules and Helpers
manfredsteyer
PRO
0
840
Effective Signals in Angular 19+: Rules and Helpers @ngbe2024
manfredsteyer
PRO
0
470
Your Architecture as a Crime Scene: Improvements with Forensic Analysis
manfredsteyer
PRO
0
24
Micro Frontends Unmasked Opportunities, Challenges, Alternatives
manfredsteyer
PRO
0
440
3 Effective Rules for Using Signals in Angular
manfredsteyer
PRO
0
280
Your Architecture as a Crime Scene: Improvements with Forensic Analysis @ijs Munich 2024
manfredsteyer
PRO
0
380
Featured
See All Featured
Dealing with People You Can't Stand - Big Design 2015
cassininazir
366
25k
Writing Fast Ruby
sferik
628
61k
Faster Mobile Websites
deanohume
306
31k
Thoughts on Productivity
jonyablonski
69
4.5k
What’s in a name? Adding method to the madness
productmarketing
PRO
22
3.3k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
193
16k
The Power of CSS Pseudo Elements
geoffreycrofte
75
5.5k
Why You Should Never Use an ORM
jnunemaker
PRO
55
9.2k
Fontdeck: Realign not Redesign
paulrobertlloyd
83
5.4k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
Mobile First: as difficult as doing things right
swwweet
223
9.4k
A Philosophy of Restraint
colly
203
16k
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