angular▌

PrimeNG rules for component imports, table performance, and theming. Use with the core angular-best-practices skill for comprehensive Angular coverage.

Always analyze the project's Angular version before providing guidance, as best practices and available features can vary significantly between versions. If creating a new project with Angular CLI, do not specify a version unless prompted by the user.

Show loading indicator ONLY when there's no data to display.

NgRx SignalStore rules for signal-based local and feature state management. Use with the core angular-best-practices skill for comprehensive Angular coverage.

Structured approach to migrating AngularJS applications to modern Angular with hybrid mode support. \n \n Three migration strategies: Big Bang (complete rewrite), Incremental (hybrid side-by-side), and Vertical Slice (feature-by-feature), each suited to different app sizes and delivery constraints \n Hybrid app setup using ngUpgrade to run AngularJS and Angular simultaneously, enabling gradual feature migration without full rewrites \n Component, service, routing, and forms migration patterns wi

Master RxJS in Angular for handling async operations, data streams, and reactive programming patterns.

Angular 17+ standalone components, signals, NgRx state management, and enterprise application architecture. \n \n Generates standalone components with OnPush change detection, signals for reactive state, and computed properties; includes RxJS subscription management with takeUntilDestroyed \n Configures NgRx store with actions, reducers, selectors, and effects; verifies store hydration and action flow via Redux DevTools \n Implements advanced routing with lazy loading, guards, and resolvers for

Unit and integration testing for Angular v20+ with Vitest or Jasmine, supporting signals and modern patterns. \n \n Supports both Vitest (recommended) and Jasmine test runners with native Angular v20+ integration via @angular/build \n Covers signal-based components, computed values, OnPush change detection, and input/output testing with modern APIs \n Includes HTTP mocking via HttpTestingController , service injection with TestBed.inject() , and dependency mocking with Vitest \n Provides pattern

NEVER trigger reflows/repaints in lifecycle hooks (ngOnInit, ngAfterViewInit).

"Scope determines structure" - Where a component lives depends on its usage.