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Posts tagged #SignalForms

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Goodbye ControlValueAccessor. Hello #Signals. ⚡

#Angular forms are evolving — and Signals simplify how we think about form state.

@eneajaho.me explains what’s changing and why it matters 👇
push-based.io/article/good...

#Angular #SignalForms

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Angular Signal Forms: Optional Properties, Undefined Values, and the Missing FieldTree
Angular Signal Forms: Optional Properties, Undefined Values, and the Missing FieldTree YouTube video by Deborah Kurata

My latest Angular video:
🔥 Why optional properties break Signal Forms
🔥 Why undefined values are missing from the FieldTree
🔥 How to check if a field is in the FieldTree
🔥 Handling optional properties with Signal Forms

Check it out!

#angular #signalforms

youtu.be/_1EWuzhzELw

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Why Null Values Break Angular Signal Forms (And What to Do Instead)
Why Null Values Break Angular Signal Forms (And What to Do Instead) YouTube video by Deborah Kurata

NULLS + Signal Forms = 💣

My latest video:
🔥 why nulls are tricky
🔥 where they break
🔥 best patterns

We also examine a "not-so-clean" workaround. And walk through applyWhenValue() for validation.

youtu.be/h5-R27biCso

#angular #signalforms

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Did you know about the new Features in #Angular 21
Here is a fast infographic you can look at, then you can read into the details through angular blog post
#angular #signals #zonless #vitest #angularAria #Aria #accessiblity #signals #signalForms #defer #templateupdaes

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Angular Signal Forms Without a Form: Model-First Validation Explained
Angular Signal Forms Without a Form: Model-First Validation Explained YouTube video by Deborah Kurata

Did you know you can use Angular's Signal Forms API without an HTML form or any UI?

In this video:
🔥 Why use the Signal Forms API without forms?
🔥 Concrete example
🔥 Witness the clean separation of validation from form controls

youtu.be/VKjs9WujhCE

#angular #signalforms

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Angular Signal Forms: How to Validate Arrays of Objects (Repeating Fields)
Angular Signal Forms: How to Validate Arrays of Objects (Repeating Fields) YouTube video by Deborah Kurata

My latest YT video is on Angular signal forms: validating complex arrays of objects (repeating fields). It covers:

🔥 required
🔥 required when
🔥 min, max
🔥 pattern with regular expression
🔥 custom URL validator
🔥 applyEach

youtu.be/_G2l_V5wFLc

#angular #signalforms

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Handle Arrays with Angular Signal Forms
Handle Arrays with Angular Signal Forms YouTube video by Deborah Kurata

Need to collect sets of info with Angular's signal forms?

Check out my latest video: youtu.be/aT73WV1-HIw

🔥Build a form with repeating fields using arrays
🔥Apply validation to each item in the array
🔥Create a custom URL validator

#angular #signalforms

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Cross-field Validation with Angular Signal Forms
Cross-field Validation with Angular Signal Forms YouTube video by Deborah Kurata

Check out my latest YT video: "Cross-field Validation with Angular Signal Forms".

Validation rules often span multiple inputs. In this video, we build a ***cross-field*** validator. And talk about FieldContext.

#angular #signalforms

youtu.be/Td0vicsOZ74

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Ng-News 25/49: Signal Forms & @angular/aria
Ng-News 25/49: Signal Forms & @angular/aria YouTube video by ng-news

New Episode: The Angular team answers questions on Signal Forms and what’s next.
Plus: @angularair.bsky.social on @angular/aria, PrimeNG 21, and two fixed security issues.

▶️ youtu.be/N9z1dmH-gyA

#Angular #ngnews #SignalForms #AngularAria

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Conditional Validation with Angular Signal Forms
Conditional Validation with Angular Signal Forms YouTube video by Deborah Kurata

Want to define a form field as required … but only sometimes?

In this video, we use Angular’s signal forms to build ****conditional*** validators using `when` and `applyWhen()`. And explore the `valueOf()` helper function.

#angular #signalforms

youtu.be/e0p7D7QSSgw

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📝 Neu im Blog: #Angular Signal Forms – Teil 4 von @k9n.dev & @fmalcher.de ⚡

✨ Field Metadata – Meta-Infos im Schema
♿ Automatische ARIA-Attribute – Direktive verknüpft Felder & Meldungen

👉 angular-buch.com/blog/2025-12...

#Angular #Accessibility #a11y #signalforms

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We’ve published Part 4 of our Angular Signal Forms series!

✨ Field metadata: apply meta information for form fields directly in the schema
♿ Automatic ARIA attributes: a directive linking fields + messages for accessible forms

Read ➡️ angular-buch.com/blog/2025-12...

#Angular #a11y #signalforms

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Angular Signal Forms: First Look
Angular Signal Forms: First Look YouTube video by Deborah Kurata

Check out my latest YT video on Signal Forms, new in @angular v21!

We build a form with validation.

And we explore the new types: FieldTree and FieldState.

What do *you* think of Signal Forms?

#angular #angular21 #signalforms

youtu.be/J0pVA4lJMso

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🔥 Angular 21 is almost here! Rainer Hahnekamp breaks down what developers should expect from the upcoming release:

✨ Signal Forms: the undeniable star of Angular 21
🧪 Vitest as the new default: finally moving from experimental to stable

#iJS #iJSCon #Angular #Angular21 #SignalForms #Vitest

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