angular-ui-patterns SKILL.md skillA
angular-ui-patterns from ghosteken/agent-harness is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add ghosteken/agent-harness/angular-ui-patterns@git:20260721.efafd9cPins git:20260721.efafd9c in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- ghosteken/agent-harness
- Path
archive/skills-community/angular-ui-patterns/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260721.efafd9c, committed Jul 21, 2026
- Size
- 11,610 bytes
- Repository stars
- 4
- License
- MIT
Modern Angular UI patterns for loading states, error handling, and data display. Use when building UI components, handling async data, or managing component states.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Angular UI Patterns
## Core Principles
1. **Never show stale UI** - Loading states only when actually loading
2. **Always surface errors** - Users must know when something fails
3. **Optimistic updates** - Make the UI feel instant
4. **Progressive disclosure** - Use `@defer` to show content as available
5. **Graceful degradation** - Partial data is better than no data
---
## Loading State Patterns
### The Golden Rule
**Show loading indicator ONLY when there's no data to display.**
```typescript
@Component({
template: `
@if (error()) {
<app-error-state [error]="error()" (retry)="load()" />
} @else if (loading() && !items().length) {
<app-skeleton-list />
} @else if (!items().length) {
<app-empty-state message="No items found" />
} @else {
<app-item-list [items]="items()" />
}
`,
})
export class ItemListComponent {
private store = inject(ItemStore);
items = this.store.items;
loading = this.store.loading;
error = this.store.error;
}
```
### Loading State Decision Tree
```
Is there an error?
→ Yes: Show error state with retry option
→ No: Continue
Is it loading AND we have no data?
…Read the whole file at its exact version.
How to install
mdr add ghosteken/agent-harness/angular-ui-patterns@sha256:5cef4a6b214de15fThe line at the top of this page pins the label git:20260721.efafd9c, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_qej2btrpxkj6mkro)
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Versions
The registry has recorded 1 version of this file, committed on Jul 21, 2026.
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Source
ghosteken/agent-harness · 4 stars · license MIT · pushed 2026-10-13 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_qej2btrpxkj6mkro GET https://markdownregistry.com/api/v1/resolve?ref=ghosteken/agent-harness/angular-ui-patterns GET https://markdownregistry.com/api/v1/blob/5cef4a6b214de15f6a43e4f66237389d9c224a7e029de37673d378936221ab3e
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