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Mastering Polymorphic Components in React with TypeScript: A 2025 Guide

·1586 words·8 mins
React Advanced TypeScript Design Systems React-19 Typescript Ui-Architecture Polymorphism Frontend-Design Best Practices
If you’ve spent any time building a design system or a reusable UI library, you’ve hit this wall. You build a beautiful <Button> component. It has perfect padding, hover states, and focus rings. Then, a designer (or your product manager) points to a link in the navbar and says, “Make that look exactly like the button.”

Mastering TypeScript Generics in React 19: Advanced Patterns for Reusable Components

·1633 words·8 mins
React Advanced Web Development TypeScript React-19 Typescript Generics Software Architecture Best Practices Frontend Engineering
Introduction # If there is one thing that distinguishes a junior React developer from a senior architect, it’s the ability to write components that are reusable without being fragile. We’ve all seen it: a “reusable” Table component that effectively becomes a tangled mess of any types and optional props as soon as requirements shift.