How to Build Reusable UI Components

At some point in every frontend project, this happens: You build a button. Then another one. Then another… slightly different one. Now you’ve got: PrimaryButton SecondaryButton BigButton BlueButton SubmitButton And suddenly your codebase feels messy. The idea of reusable components sounds simple, but in practice, a lot of developers either: don’t reuse enough, or over-engineer everything trying to make it reusable Let’s break this down in a practical, no-BS way. Table of Contents The Problem Every Frontend Developer Knows What Reusable Actually Means Step 1: Start with Props Step 2: Add Variants Instead of New Components Step 3: Do Not Try to Make It Perfect on Day One Step 4: Keep Components Small Step 5: Use Composition When Props Get Messy Step 6: Separate Logic from UI Step 7: Move Shared Components to One Place Step 8: Make Components Predictable Step 9: Type Your Components with TypeScript Step 10: Build Accessibility In from Day One Step 11: Do Not Over-Abstract A Solid Practica