TS Modern

Overview

Use this skill to enforce TypeScript 5.9.3 modern defaults and patterns across app and library codebases. Generate modern-only output for new code, and allow legacy retention only as a bounded migration exception.

Load References On Demand

• Read references/ts-5-9-3-modern-patterns.md for archetype selection, tsconfig baselines, and modern typing patterns.
• Read references/ts-5-9-3-legacy-replacements.md for old-to-new migrations, banned patterns, and exception handling.

Core Workflow