Tutorials

Use these tutorials to learn the main decorator construction workflows before reading the complete API reference.

Learning path

Tutorial	Focus
Modern decorators	Create checked Stage 3 decorators and store metadata.
Legacy decorators	Work with TypeScript experimental decorators and unified contexts.
Compatible decorators	Share decorators between legacy and modern builds.
Unified Decorator API	Understand the create unified context across Legacy and Compatible.
General Decorators	Build decorators that auto-adapt to the element kind — create, dispatch, and pitfalls.
Composition	Combine multiple decorators safely — execution order, replacement chaining, and module-specific behavior.
Metadata	Build class configuration through modern decorator metadata.