howto-code-in-typescript

Review TypeScript code for type safety, immutability, and FCIS pattern adherence.

2|Updated Feb 16, 2026

Search Tags:#type safety #typescript #best practices #coding standards #immutability

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npx skills add https://github.com/vivshaw/nous --skill howto-code-in-typescript-vivshaw

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Skill: howto-code-in-typescript
Source: https://github.com/vivshaw/nous/tree/main/plugins/sophia/skills/howto-code-in-typescript
Command: npx skills add https://github.com/vivshaw/nous --skill howto-code-in-typescript-vivshaw

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides comprehensive guidelines for writing TypeScript code, ensuring best practices are followed and code quality is maintained.

Core Features & Use Cases

Type Safety: Enforces best practices for type declarations, including type vs. interface rules and naming conventions.
Immutability: Promotes immutability patterns to prevent bugs and ensure code reliability.
FCIS Integration: Integrates with the Functional Core, Imperative Shell pattern for clean and maintainable code.
Quick Self-Check: Offers a quick self-check for common mistakes to catch errors under pressure.
Use Case: Ideal for developers and teams looking to adopt TypeScript and ensure consistency in their coding practices.

Quick Start

Run the skill to review your TypeScript code and ensure adherence to best practices.

Frequently Asked Questions about howto-code-in-typescript

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

What are the best practices for type safety and type declarations in TypeScript?▼

TypeScript type safety best practices enforce specific rules for type declarations versus interfaces and strict naming conventions to ensure code maintainability and reliability across your development environment.

How do I implement immutability patterns in TypeScript to prevent bugs?▼

TypeScript immutability patterns prevent bugs and ensure code reliability by promoting immutable data structures. Applying these guidelines restricts unintended side effects and maintains predictable state changes throughout your application.

What is the Functional Core, Imperative Shell pattern in TypeScript?▼

The Functional Core, Imperative Shell (FCIS) pattern in TypeScript separates pure functional logic from imperative side effects. This integration creates clean, maintainable code by isolating business rules from external interactions.

How do I check my TypeScript code for common mistakes under pressure?▼

A quick self-check for common TypeScript mistakes catches errors under pressure. Running this guideline review identifies frequent violations of coding standards and type safety rules before they cause runtime issues.

Do I need prior TypeScript syntax knowledge to apply these coding standards?▼

Yes, applying these TypeScript coding standards requires an understanding of TypeScript syntax and basic coding principles. The guidelines focus on improving code quality, type safety, and maintainability for developers and teams.