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
260
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
210
Modern Angular with Lightweight Stores: New Rules and Options
manfredsteyer
PRO
0
190
Successful with Signals: 3 Rules for Your Architecture
manfredsteyer
PRO
0
140
Successful with Signals: 3 Rules for Your Architecture @.NET UserGroup Bern
manfredsteyer
PRO
0
42
Improving Your Architecture with Forensic Analysis
manfredsteyer
PRO
0
90
Micro Frontends Unmasked: Opportunities, Challenges, Alternatives
manfredsteyer
PRO
0
320
Modern Angular with the NGRX Signal Store New Rules for Your Architecture @BASTA 2024 in Mainz
manfredsteyer
PRO
0
27
Modern Angular with the NGRX Signal Store New Rules for Your Architecture @BASTA! 2024 in Mainz
manfredsteyer
PRO
0
370
Successful with Signals: 3 Patterns for Your Architecture
manfredsteyer
PRO
0
100
Featured
See All Featured
Stop Working from a Prison Cell
hatefulcrawdad
267
20k
GraphQLとの向き合い方2022年版
quramy
43
13k
Making Projects Easy
brettharned
115
5.9k
Speed Design
sergeychernyshev
23
550
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
43
6.6k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
167
49k
Building a Modern Day E-commerce SEO Strategy
aleyda
38
6.9k
[RailsConf 2023] Rails as a piece of cake
palkan
49
4.8k
Agile that works and the tools we love
rasmusluckow
327
21k
GraphQLの誤解/rethinking-graphql
sonatard
66
9.9k
No one is an island. Learnings from fostering a developers community.
thoeni
19
2.9k
Designing for humans not robots
tammielis
249
25k
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