typescript-advanced-types SKILL.md skillA
typescript-advanced-types from figueroaignacio/ignaciofigueroa.dev is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add figueroaignacio/ignaciofigueroa.dev/typescript-advanced-types@git:20260429.b0d7cdcPins git:20260429.b0d7cdc in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- figueroaignacio/ignaciofigueroa.dev
- Path
.agents/skills/typescript-advanced-types/SKILL.md- Versions recorded
- 2
- Latest version
- git:20260429.b0d7cdc, committed Apr 29, 2026
- First version recorded
- Apr 5, 2026
- Size
- 16,743 bytes
- Repository stars
- 7
- License
- MIT
Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications. Use when implementing complex type logic, creating reusable type utilities, or ensuring compile-time type safety in TypeScript projects.
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
# TypeScript Advanced Types
Comprehensive guidance for mastering TypeScript's advanced type system including generics, conditional types, mapped types, template literal types, and utility types for building robust, type-safe applications.
## When to Use This Skill
- Building type-safe libraries or frameworks
- Creating reusable generic components
- Implementing complex type inference logic
- Designing type-safe API clients
- Building form validation systems
- Creating strongly-typed configuration objects
- Implementing type-safe state management
- Migrating JavaScript codebases to TypeScript
## Core Concepts
### 1. Generics
**Purpose:** Create reusable, type-flexible components while maintaining type safety.
**Basic Generic Function:**
```typescript
function identity<T>(value: T): T {
return value;
}
const num = identity<number>(42); // Type: number
const str = identity<string>('hello'); // Type: string
const auto = identity(true); // Type inferred: boolean
```
**Generic Constraints:**
```typescript
interface HasLength {
length: number;
}
function logLength<T extends HasLength>(item: T): T {
console.log(item.length);
return item;
}
…Read the whole file at its exact version.
How to install
mdr add figueroaignacio/ignaciofigueroa.dev/typescript-advanced-types@sha256:f5b106e75a30a6b7The line at the top of this page pins the label git:20260429.b0d7cdc, 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_zmwteiiwvrt4yfvf)
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Versions
The registry has recorded 2 versions of this file, between Apr 5, 2026 and Apr 29, 2026, about one every 24 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260429.b0d7cdc latest | 2026-04-29 | b0d7cdc | 16,743 B | A | view · diff |
| git:20260405.8347a4d | 2026-04-05 | 8347a4d | 16,806 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (16743 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
figueroaignacio/ignaciofigueroa.dev · 7 stars · license MIT · pushed 2026-10-29 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_zmwteiiwvrt4yfvf GET https://markdownregistry.com/api/v1/resolve?ref=figueroaignacio/ignaciofigueroa.dev/typescript-advanced-types GET https://markdownregistry.com/api/v1/blob/f5b106e75a30a6b70e1939d4e2b48df2fa2d38dafb716f83ae85e9d5e591c167
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