Decorators provide a way to add both annotations and a meta-programming syntax for class declarations and members in modern TypeScript and ECMAScript Stage 3 standards.
TypeScript Decorators
Add annotations and metadata to classes, methods, and accessors.
Key Takeaways: TypeScript Decorators
Mastering TypeScript Decorators helps you write clean and reliable TypeScript code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.
TypeScript Decorators Code Example
TypeScriptfunction LogClass(target: Function) {
console.log("Class instantiated:", target.name);
}
@LogClass
class UserService {
getUser() { return "John Doe"; }
}
const service = new UserService();Output
Class instantiated: UserService
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