Know Which TypeScript Options You're Using

Overview

TypeScript's behavior depends heavily on configuration.

The same code can pass or fail type checking depending on options like noImplicitAny and strictNullChecks. Know your options to use TypeScript effectively.

When to Use This Skill

• Setting up a new TypeScript project
• Code behaves differently than expected
• Debugging type errors that others don't see
• Deciding on strictness level

The Iron Rule