Component Composition with children Prop

Render Prop Rendered as Element

Container Forgets to Pass Data

PropTypes and TypeScript for Type Safety

Immutability in State Updates

Separating Business Logic from UI

Small Single-Responsibility Components

Naming Conventions for Components and Files

Folder and File Organization Strategies

Three React Anti-Patterns to Avoid

Deriving State Instead of Duplicating

Colocating State Near Usage

React.memo for Component Memoization

Compound Component Pattern

Proper Use of Keys in Lists

Conditional Rendering Best Practices

Lifting State Up

Deriving State Instead of Duplicating

Higher-Order Components Basics

Container vs Presentational Components

Compound Components Pattern

Controlled vs Uncontrolled Inputs

Lifting State Up

Prop Drilling and Context

Fragments Avoid Wrapper Divs

Composition over Inheritance

Component Folder Structure

Single Responsibility Components

Render Props Pattern

Colocating State

Immutable State Updates

Error Boundaries

Inline Functions in Render

Accessibility in Component Design

Higher-Order Components (HOCs)

Container/Presentational Pattern

Compound Component Loses Context

Composition Ignores Children

HOC Swallows the Props

Prop Drilling Passes Wrong Name

Controlled Input Without onChange

Lifting State That Stayed Local

Wrong PropType for Callback

Fragment Loses the Key

Modal Rendered Without a Portal

Barrel Export Missing the Component

State Lifted Too High

Component Doing Too Much

Zero Leaks Into the UI

Lazy Component Without Suspense

Card Component Ignores Children

List Key on the Wrong Element

React.memo That Never Memoizes

Inline Object Defeats Memoization

Derived Value Stored in State

Error Boundary as a Function

Fragments to Avoid Wrapper Nodes

Extracting Reusable UI Components

Provider Pattern for Shared State

Default Props and Prop Validation

Container/Presentational Pattern

Colocating State

Small, Focused Components

React.memo Best Practices

Compound Components Pattern

Avoiding Inline Functions/Objects

Component File Organization

Prop Naming & API Design

Deriving State

Render Props Pattern

Lifting State Up

Prop Drilling and Avoiding It