# UI Library Selection

> Projeler için doğru UI bileşen kütüphanesini seçme rehberi; performans, erişilebilirlik ve bakım kriterlerini içerir.

- Skill: `gktuoktay/ui-library-selection` (Agent Skill)
- Install (CLI): `npx skillmds@latest add gktuoktay/ui-library-selection`
- Raw SKILL.md: https://api.skillmd.com/api/skills/gktuoktay/ui-library-selection/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: GktuOktay (https://skillmd.com/u/gktuoktay)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/gktuoktay/ui-library-selection

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# Guide for Selecting a UI Component Library

Choosing the right UI library is a crucial architectural decision that impacts development speed, application performance, and long-term maintainability. This guide covers how to evaluate and select the best UI library or styling solution for your project.

## 1. Evaluation Criteria

When comparing libraries, consider the following technical and operational factors:

| Criterion | What to Evaluate | Why it Matters |
| :--- | :--- | :--- |
| **Bundle Size & Tree-shaking** | Does it support ES modules? Can you import individual components? | Impacts initial load time and overall app performance. |
| **Accessibility (a11y)** | Does it follow WAI-ARIA guidelines? Are components keyboard navigable? | Ensures legal compliance and usability for all users. |
| **Theming & Customization** | How easy is it to override default styles? Does it support dark mode? | Determines if you can match your brand identity without fighting the framework. |
| **TypeScript Support** | Are types included or maintained via DefinitelyTyped? Are they strict? | Enhances developer experience, auto-completion, and bug prevention. |
| **Community & Maintenance** | Look at GitHub stars, open issues, release frequency, and ecosystem. | Indicates longevity and likelihood of finding solutions to obscure bugs. |

## 2. React UI Libraries Comparison

| Library | Paradigm | Pros | Cons | Best For |
| :--- | :--- | :--- | :--- | :--- |
| **shadcn/ui** | Copy-paste components (not a dependency) | Full control, Tailwind native, high quality | Requires manual updates, boilerplate in your repo | Modern SaaS, custom designs, team with strong React/Tailwind skills |
| **MUI (Material-UI)** | Full UI Framework | Massive ecosystem, highly featured, robust | Large bundle size, Material design look is hard to shake | Enterprise apps, internal tools, rapid prototyping |
| **Radix UI** | Unstyled primitives | Perfect accessibility, bring your own styles | Steep learning curve for styling from scratch | Design systems, highly custom UIs |
| **Chakra UI** | Styled components with utility props | Excellent developer experience, accessible | Runtime CSS-in-JS overhead | Startups, fast-moving teams wanting good defaults |
| **Mantine** | Full UI Framework | Huge amount of hooks/components, fully featured | Custom styling approach, learning curve | Feature-rich web apps, dashboards |
| **Ant Design** | Full UI Framework | Comprehensive, great for data-heavy apps | Large bundle, opinionated design, localization hurdles | Complex enterprise admin panels |

## 3. Mobile UI Considerations (SwiftUI vs Third-Party)

For mobile development, the choice is often between native and cross-platform or third-party solutions.
- **SwiftUI (Native iOS)**: First-party support, excellent performance, access to latest OS features. Best for platform-specific experiences.
- **React Native (Third-party)**: Write once, run anywhere. Often relies on libraries like React Native Paper or UI Kitten. Good for cross-platform speed, but can suffer from uncanny valley UI.

## 4. CSS Solutions Comparison

| Solution | Concept | Example | Best Use Case |
| :--- | :--- | :--- | :--- |
| **Utility-First** | Composing classes in markup | Tailwind CSS | Rapid development, consistent design tokens, eliminating context switching |
| **CSS-in-JS** | Writing CSS in JavaScript files | Styled Components, Emotion | Scoped styles, dynamic styling based on props (Note: performance overhead in React 18+) |
| **CSS Modules** | Scoped traditional CSS files | `button.module.css` | Keeping CSS pure but scoped, legacy migrations |
| **Vanilla CSS** | Standard cascading stylesheets | `style.css` | Simple, small projects, or strictly adhering to web standards |

## 5. Build Custom vs. Use Library

**Use a Library When:**
- Speed to market is the primary goal.
- You lack a dedicated design team.
- Building an internal tool or admin dashboard.
- You need robust accessibility out of the box and lack the expertise to build it.

**Build Custom (or use unstyled primitives like Radix/Headless UI) When:**
- Your app is consumer-facing and design is a key differentiator.
- You have a mature design system.
- Bundle size and performance are absolutely critical.
- You find yourself constantly overriding > 50% of a library's default styles.