angular-expert
Angular 17+ gotchas and decision criteria. Covers signals vs observables, standalone patterns, and common pitfalls Claude gets wrong.
Best use case
angular-expert is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Angular 17+ gotchas and decision criteria. Covers signals vs observables, standalone patterns, and common pitfalls Claude gets wrong.
Teams using angular-expert should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/angular-expert/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How angular-expert Compares
| Feature / Agent | angular-expert | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Angular 17+ gotchas and decision criteria. Covers signals vs observables, standalone patterns, and common pitfalls Claude gets wrong.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
> **AI-consumed reference.** Optimized for Claude to read during execution.
> Human-readable explanation: see [docs/architecture/HIERARCHICAL_PLANNING.md](../../../docs/architecture/HIERARCHICAL_PLANNING.md)
> or [docs/getting-started/](../../../docs/getting-started/) depending on topic.
# Angular Expert — Gotchas & Decisions
Use Context7 for full Angular docs.
## Key Decisions
```toon
decisions[4]{choice,use_when}:
Signals vs Observables,"Signals for sync UI state. Observables for async streams/HTTP. Bridge with toSignal()/toObservable()"
NgRx vs Signals,"NgRx for complex shared state with effects. Signals for component/simple app state"
Standalone vs Module,"Always standalone (Angular 17+). Modules only for legacy"
OnPush vs Default,"Always OnPush. Requires immutable patterns"
```
## Gotchas
- `@for` requires `track` — use `track item.id` not `trackBy` function
- `takeUntilDestroyed(this.destroyRef)` must be called in injection context (constructor or field init)
- `toSignal()` returns `Signal<T | undefined>` — handle the undefined
- `NonNullableFormBuilder` for typed forms — plain `FormBuilder` loses types
- `@defer (on viewport)` needs `@placeholder` block or nothing renders
- Functional guards/interceptors: use `inject()` not constructor DIRelated Skills
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