A designer who knows how to code would want to use Mantine for the following reasons:

1. Rapid prototyping: With over 100 pre-built components, Mantine allows for quick assembly of user interfaces, enabling faster iteration on design ideas.

2. Customization: Mantine offers extensive customization options, allowing designers to easily adapt components to match specific design requirements.

3. TypeScript support: For designers who code, the TypeScript integration ensures type safety, reducing errors and improving code quality.

4. Theming capabilities: The flexible theming system allows designers to implement and experiment with different design systems easily.

5. Accessibility: Mantine components are built with accessibility in mind, which is crucial for creating inclusive designs.

6. Dark mode support: The built-in dark mode feature allows designers to easily implement and test different color schemes.

7. Responsive design: Mantine components are responsive out of the box, making it easier to create designs that work across different device sizes.

8. Framework agnostic: It supports various modern frameworks, giving designers flexibility in their tech stack choices.

9. hooks library: The included hooks can simplify complex UI behaviors, allowing designers to focus more on the visual aspects.

10. Community and resources: With a growing community, designers can find support, inspiration, and additional resources to enhance their projects.

Mantine: A Powerful React Component Library for Design-Savvy Developers

Mantine is a game-changer for designers who code, offering a comprehensive suite of tools that bridge the gap between design and development. This open-source React component library is more than just a collection of UI elements; it's a full-fledged design system that empowers you to create stunning, accessible, and highly customizable web applications.

Why Mantine Stands Out

1. Extensive Component Library: With over 100 components at your fingertips, Mantine provides a rich toolkit for building complex interfaces without starting from scratch. This vast selection allows you to rapidly prototype and iterate on your designs.

2. TypeScript Integration: For those who value type safety and enhanced developer experience, Mantine's TypeScript support is a significant advantage. It helps catch errors early and provides better autocomplete in your IDE.

3. Customization Paradise: Mantine shines in its flexibility. Every component can be customized via props, allowing for quick tweaks and experiments. For more extensive modifications, you can override styles for any internal element, giving you the power to adapt components to fit any design vision.

4. Theming System: The theming capabilities in Mantine are robust and designer-friendly. You can extend the default theme with additional colors, modify shadows, spacing, fonts, and more. This makes it easy to implement and maintain a consistent design system across your project.

5. Accessibility Focus: In an era where inclusive design is crucial, Mantine's commitment to accessibility out of the box is a major plus. This allows designers to ensure their creations are usable by a wide range of users without extra effort.

6. Dark Mode Support: With just a few lines of code, you can add a dark theme to your application. This feature is increasingly important in modern web design and Mantine makes it simple to implement.

7. Responsive Design: Mantine components are built with responsiveness in mind, making it easier to create designs that look great on any device.

8. Framework Agnostic: While it's a React library, Mantine supports all modern frameworks like Next.js and Remix. This flexibility allows you to use it in various project setups.

9. Hooks Library: Mantine includes 50+ hooks that simplify complex UI behaviors. This is particularly useful for designers who code, as it allows them to implement advanced functionality without deep diving into complex JavaScript.

10. Emotion-based: Built on Emotion, Mantine leverages its powerful features like auto vendor-prefixing, critical CSS extraction, and dynamic theming. This provides a robust foundation for styling your applications.

Conclusion

Mantine is more than just a UI library; it's a powerful tool that empowers designers who code to bring their visions to life quickly and efficiently. By providing a comprehensive set of components, extensive customization options, and a focus on developer experience, Mantine enables you to create polished, accessible, and performant web applications. Whether you're prototyping a new idea or building a production-ready app, Mantine offers the flexibility and features to support your creative process from start to finish.

Here's how to use Mantine in your project:

1. Installation:

   npm install @mantine/core @mantine/hooks
   

2. Setup: Wrap your app with MantineProvider:

   import { MantineProvider } from '@mantine/core';
   
   function Demo() {
     return (
       <MantineProvider withGlobalStyles withNormalizeCSS>
         <App />
       </MantineProvider>
     );
   }
   

3. Using components: Import and use Mantine components in your React components:

   import { Button } from '@mantine/core';
   
   function Demo() {
     return <Button>Click me</Button>;
   }
   

4. Customizing theme: Customize the theme by passing a theme object to MantineProvider:

   <MantineProvider
     withGlobalStyles
     withNormalizeCSS
     theme={{
       colorScheme: 'dark',
       colors: {
         // Add your color overrides here
       },
     }}
   >
     <App />
   </MantineProvider>
   

5. Using hooks: Import and use Mantine hooks in your components:

   import { useMediaQuery } from '@mantine/hooks';
   
   function Demo() {
     const isMobile = useMediaQuery('(max-width: 768px)');
     return <div>{isMobile ? 'Mobile view' : 'Desktop view'}</div>;
   }
   

Remember to check the official documentation for more detailed information on component props, hooks usage, and advanced customization options.