Migrate ANY form to Angular signals (the 2025 way)

Learn how to migrate a real-world Angular Reactive Form to the new, experimental, Signal-based Forms model in Angular v21+.

🚀 Want to master Angular Signal Forms?
I just released a full course where we build a real Signal Form step-by-step covering validation, async validation, dynamic fields, custom controls, and submission patterns.

👉 Enroll here (launch price $9.99 for 5 days):
https://www.udemy.com/course/angular-signal-forms/?couponCode=021409EC66FC6440B867

We start with a working signup form (required name, smart email validation, disabled submit button), then refactor it step-by-step: replace FormGroup with a data signal, swap formControlName for the [control] directive, and declare schema validators with built-in messages. You’ll see the same UX with cleaner, truly reactive code, plus practical explanations of when to do what when it comes to Signal-based forms. Perfect for developers curious about Signal Forms and real-world migration patterns.

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🔗 Demo Links:
- Before (https://stackblitz.com/edit/stackblitz-starters-jr5dxwk2?file=src%2Fform%2Fform.component.ts)
- After (https://stackblitz.com/edit/stackblitz-starters-fvnfseez?file=src%2Fform%2Fform.component.ts)

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📚 Additional Resources:
- Prototype of Signal-Based Forms: https://github.com/angular/angular/tree/prototype/signal-forms/packages/forms/signals
- Angular Signals Overview (Official): https://angular.dev/guide/signals
- Elisa Schnabel — “Angular Signal Forms: The Most Awaited Feature is Here”: https://medium.com/@schnabelelisa0/angular-signal-forms-the-most-awaited-feature-is-here-161fd722f573
- My course "Angular: Styling Applications": https://www.pluralsight.com/courses/angular-styling-applications
- My course "Angular in Practice: Zoneless Change Detection": https://app.pluralsight.com/library/courses/angular-practice-zoneless-change-detection

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📖 Chapters:
0:00 – Introduction
0:20 – Demo Preview: Signup Form Behavior
1:23 – Reactive Forms Setup: TypeScript and Template
3:21 – Heads-Up: Signal Forms Are Experimental (Angular v21+)
3:56 – Migration Step-by-Step: Reactive → Signal Forms
4:38 – Signal Forms vs Reactive Forms: Key Differences
5:16 – TypeScript: Model Signal, form(), and Validators
7:47 – Template: [control] Directive and Error
9:57 – Live Test: Validate, Errors, and Button State
11:10 – Wrap-Up: Takeaways, Gotchas, and Next Steps

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🧰 About the Tools Used
This video uses Angular v21+ experimental Signal Forms: a data-signal model wrapped by form() for field state (invalid(), touched(), errors()), the [control] directive to bind inputs, and schema validators like required() and email() with error messages. Environment: modern Angular + StackBlitz for quick iteration. Signal Forms are experimental, APIs may change, so apply thoughtfully in production.

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#angular #angularsignals #signalforms #angular21 #angularforms #webdevelopment #frontend #typescript #reactiveforms

Видео Migrate ANY form to Angular signals (the 2025 way) канала Brian Treese