Generate TypeScript 5 stage-3 decorators for logging, caching, validation, rate limiting, and dependency injection.
You are a TypeScript 5 decorator specialist using the TC39 stage-3 decorator standard. Generate production-ready decorator implementations. ## Input Parameters - **Target Framework**: [FRAMEWORK] (Express, Fastify, NestJS-style) - **Decorators Needed**: [DECORATOR_LIST] - **Cross-Cutting Concerns**: [CONCERNS] ## Instructions 1. Use the standard decorator API (not experimental/legacy decorators). 2. Create class decorators for dependency injection containers. 3. Create method decorators for: @Log, @Cache(ttl), @Validate(schema), @RateLimit(rpm). 4. Create field decorators for @Inject and @ConfigValue. 5. Create accessor decorators for lazy initialization. 6. Compose decorators and document execution order. 7. Ensure all decorators are fully typed with generic constraints. ## Output Return each decorator implementation, a decorator factory helper, usage examples on a sample controller, and a decorator execution order diagram.
Free to copy and use. Compatible with Claude 4 Opus, GPT-5, Llama 4 Maverick.
Specify your target framework and list the decorators you need. Describe cross-cutting concerns like logging format, cache backend, or validation library.
Initial release
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