<ul><li>JavaScript classes can be heavy and come with extra syntax, confusing 'this', and unnecessary abstractions.</li><li>Using closures instead of classes in JavaScript can provide lightweight state management and better typing.</li><li>Closures offer perfect type inference, encapsulation, lightweight state management, no 'this' or .bind() confusion.</li><li>Builder functions powered by closures offer a more idiomatic approach in JavaScript/TypeScript.</li><li>Closures feel natural for React developers and enable easy composition and reuse of functions.</li><li>TypeScript infers return types automatically, reducing the need for manual class definitions and interfaces.</li><li>Singleton instances and interfaces can be easily implemented using closures in JavaScript.</li><li>Scoped closures prevent context loss and eliminate the need for binding 'this' in callbacks.</li><li>A context builder example with AsyncLocalStorage demonstrates the practical use of closures for context management.</li><li>Using closures for reference serialization with an internal WeakMap offers a clean and testable solution for object tracking.</li></ul>

Rethink JS Classes: Embrace Closures for Lightweight State & Typing

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