FAQs

Are you facing a specific issue? Before seeking further assistance, please refer to the FAQ section to see if any of the commonly occurring problems listed there can help resolve your issue.

General Questions

What is Plus UI?

Plus UI is a cutting-edge user interface (UI) and experience (UX) framework designed to bridge the gap between design and development. It provides an integrated design system and UI library that can be used with popular frameworks and design tools. Plus UI facilitates the creation of consistent, user-friendly applications by offering a suite of rich, functional components that adhere to modern design standards. Built using Web Component technology, Plus UI is lightweight, customizable, and accessible, ensuring that developers and designers can collaborate effectively using a common set of tools.

Is Plus UI free to use?

Yes, Plus UI is open-source and have a free to use version 'Freemium' which includes extensive & integrated design system and UI library. It is designed to support the development community by providing a comprehensive set of tools and components without any cost. Users can freely incorporate Plus UI into their projects, customize it according to their needs, and even contribute to its ongoing development.

Plus UI have also Pro Version other than Freemium. Please check out the pricing page.

What frameworks does Plus UI support?

Plus UI supports multiple JavaScript frameworks, making it highly versatile and adaptable. It is compatible with React, Vue, Angular, Svelte, and other frameworks that can render HTML. This multi-framework support ensures that developers can integrate Plus UI into their existing projects or new applications with ease, regardless of the framework they prefer.

Can Plus UI be used with any design tool?

Yes, Plus UI is designed to be compatible with all popular design tools. However, it's only available on Figma for now.

What are the advantages of Plus UI?

Plus UI, as described, is a comprehensive user interface (UI) and experience (UX) framework designed to bridge the gap between design and development across various platforms and frameworks. The advantages of using Plus UI stem from its core features and design philosophy, making it a compelling choice for projects ranging from small-scale applications to large, complex systems. Here are some key advantages of Plus UI:

1. Integrated Design System and UI Library

Plus UI offers a seamlessly integrated design system and UI library, ensuring consistency and coherence across your project. This integration facilitates a unified approach to design and development, enabling teams to maintain a consistent look and feel while accelerating the design-to-development workflow.

2. Multi-Framework Support

With support for multiple JavaScript frameworks, such as React, Vue, Angular, Svelte, and more, Plus UI ensures flexibility and adaptability. This means you can integrate Plus UI into your projects regardless of the underlying technology stack, making it a versatile choice for diverse development environments.

3. Centralized Token System

The centralized token system bridges the design system and UI library, enabling global theming and styling changes from a single source of truth. This approach simplifies maintaining and updating your application's visual design, ensuring consistency across all components and screens.

4. Fully Customizable and Accessible Components

Plus UI components are designed with customization and accessibility in mind. They can be easily tailored to meet the specific needs of your project while ensuring that your application is accessible to users with different abilities, complying with best practices and accessibility standards.

5. Lightweight and Efficient

The framework is optimized for performance, offering a light package size that doesn't burden your application's load times. This efficiency is crucial for improving user experience, especially on mobile devices and in low-bandwidth scenarios.

6. Open-Source Community and Support

Being an open-source project, Plus UI benefits from the support and contributions of a vibrant community. This collective effort leads to regular updates, new features, and a wealth of resources for troubleshooting, learning, and collaboration.

7. Compatibility with Design Tools and CDNs

Plus UI is designed to work well with popular design tools and can be easily served from Content Delivery Networks (CDNs), enhancing its flexibility and ease of use in different development workflows.

8. Dark Theme Support

With built-in support for dark themes, Plus UI allows developers to cater to user preferences and reduce eye strain in low-light conditions, enhancing the overall user experience.

9. Comprehensive Documentation and Examples

The framework provides detailed documentation and examples, making it easier for new users to get started and for experienced developers to take full advantage of its features.

10. Contribution Opportunities

Plus UI encourages contributions from the community, whether in the form of code, documentation, design, or feedback. This open collaboration model fosters continuous improvement and innovation within the project.

How does Plus UI ensure a consistent design and development process?

Plus UI ensures a consistent design and development process through its integrated design system, centralized token system, and comprehensive UI library. By providing a shared set of tools, components, and design variables, Plus UI enables designers and developers to work from the same foundation, reducing discrepancies and miscommunications. This collaborative approach not only speeds up the development process but also enhances the overall quality and consistency of the final product.

What is the central token system in Plus UI?

The central token system in Plus UI is a powerful feature that bridges the design system and UI library, ensuring a consistent and unified design language across a project. Tokens are essentially design variables (such as colors, typography, spacing, border, opacity, shadows & effects, breakpoints etc.) that can be reused and applied globally. This system allows designers and developers to make changes in one place that automatically reflect across the entire project, streamlining the design process and ensuring consistency.

How can a UI library or design system like Plus UI benefit a project?

Using a unified design system and component library like Plus UI can offer several benefits to developers and design teams, including:

Consistency: A unified design system and component library like Plus UI can help ensure consistency across an organization's products and projects. This can help improve the user experience and create a more cohesive brand identity.

Efficiency: By providing a set of pre-built and reusable components, a design system and component library like Plus UI can help speed up development time and reduce the amount of code that needs to be written from scratch. This can lead to more efficient and streamlined development processes.

Scalability: A unified design system and component library like Plus UI can help teams scale their products and projects more easily. By providing a consistent set of components and design elements, teams can quickly build new features and products without worrying about creating new design elements or components from scratch.

Accessibility: A unified design system and component library like Plus UI can help ensure that products and projects meet accessibility standards. By providing pre-built components and design elements that are tested for accessibility, teams can ensure that their products are accessible to all users.

Collaboration: A unified design system and component library like Plus UI can help foster collaboration between designers and developers. By providing a shared set of design elements and components, designers & developers can work together more effectively, reducing communication barriers and speeding up development processes.

Using a unified design system and component library like Plus UI can provide significant benefits to development teams, helping them build more consistent, efficient, and scalable products that meet accessibility standards and encourage collaboration between designers and developers.

Is Plus UI fully customizable?

Absolutely, Plus UI is fully customizable. It has been designed with customization in mind, allowing users to tailor the components and design system to meet their specific needs. From modifying the design tokens to creating custom themes, including a dark mode, Plus UI provides the flexibility needed to align with your brand's aesthetic and functional requirements.

What components does Plus UI offer?

Plus UI offers a wide range of rich and functional components, including but not limited to buttons, forms, modals, navigation bars, and data tables. These components are designed to meet modern UX/UI standards, ensuring accessibility, responsiveness, and interactivity. The component library is continually expanding, with contributions from the community further enriching the available resources.

Does Plus UI include a dark theme?

Yes, Plus UI includes a dark theme, recognizing the growing preference for dark mode in user interfaces. The dark theme can be easily activated, providing users with an alternative, eye-friendly option that reduces glare and is suitable for low-light environments. This feature is part of Plus UI's commitment to accessibility and user preference.

How can I contribute to Plus UI's development?

Contributing to Plus UI's development is encouraged and can be done in several ways:

  • Code Contributions: Submit pull requests with bug fixes, feature enhancements, or new components.

  • Documentation: Help improve the documentation by adding examples, tutorials, or answering FAQs.

  • Design: Share design resources, create themes, or contribute to the design system.

  • Feedback: Provide feedback on features, usability, and accessibility to help shape future development.

To get started, check out the contribution guidelines on the Plus UI GitHub repository. Joining the Plus UI community on social media or discussion forums is also a great way to connect with other contributors and stay updated on the latest developments.

Getting Started

How do I get started with Plus UI?
  1. Explore the Documentation: Begin by visiting the official Plus UI documentation site. This will give you an overview of the system, its philosophy, and what it offers.

  2. Set Up Your Environment: Ensure you have a development environment ready with Node.js installed to be able to use npm if you're working on a web project.

How do I install Plus UI in my project?

If Plus UI is distributed as a package, you can typically install it using package managers like npm or yarn:

npm install @plusui/core

or

yarn add @plusui/core
Can I use Plus UI for a new project?

Absolutely. Plus UI is designed to be versatile, making it suitable for both new and existing projects. Its components and design system can help kickstart your project with a consistent and modern UI.

How do I import Plus UI components into my project?

After installation, you can import Plus UI components into your project files using import statements. For example:

import { PlusButton } from 'plus-ui'; 
// Use the actual component names and package
Can Plus UI be used for mobile application development?

Plus UI is built with responsive design principles and supports web technologies, it can be used for developing mobile-friendly web applications. For native mobile app development, compatibility would depend on the ability to integrate web components into native frameworks.

Can Plus UI component library and design system be used across multiple projects?

Yes, the Plus UI component library and its design system can be used across multiple projects. Plus UI is designed to be modular and scalable, making it easy to reuse components and design elements across different products and projects.

One of the strengths of Plus UI is its versatility. Our design system can be used with popular design tools like Figma, Sketch, and Adobe, allowing designers to easily collaborate and design using the same design system. Our component library is also designed to work with all popular front-end frameworks like React, Vue.js, Angular, and more. This ensures that developers can use the same components and design elements across different projects, regardless of the front-end framework used.

By using the same components and design elements across multiple projects, organisations can ensure consistency and maintain a cohesive brand identity. This saves time and effort, as developers and designers do not have to recreate similar components or design elements for each project.

Plus UI's components are built using modern web technologies, such as HTML, CSS, and JavaScript, and are designed to be easily customisable and extensible. This makes it easy to adapt components to fit the specific needs of each project while maintaining consistency with the overall design system.

In addition, Plus UI provides comprehensive documentation and support to help developers and designers integrate the component library and design system into their projects. This includes code examples, best practices, and an active community of developers and designers who can provide guidance and support.

Design System

What is a design system in Plus UI?

A design system in Plus UI is a comprehensive set of standards, guidelines, and components that unify and guide the design and development of digital products. It includes a library of UI elements, design tokens (such as colors, typography, spacing), and guidelines for their use. This system enables teams to create consistent, efficient, and scalable user interfaces that align with the brand's identity.

How does the centralized token system work?

The centralized token system in Plus UI functions as a core part of the design system, where design tokens represent the visual design atoms of the product (such as colors, typography, spacing, border, opacity, shadows & effects, breakpoints etc.) These tokens are defined in a central location and can be used across components and applications. When a token is updated, the changes are automatically applied wherever the token is used, ensuring consistency and simplifying theme management.

Can I create a custom design system with Plus UI?

Yes, Plus UI is designed to be flexible and customizable, allowing you to create a custom design system that fits your specific needs. You can define your own design tokens, create custom components, and tailor the existing components to align with your brand guidelines. Plus UI's architecture supports extending and overriding default settings to facilitate this customization.

How do I apply my brand's color scheme with Plus UI?

To apply your brand's color scheme with Plus UI, you would typically modify the design tokens related to colors. This involves setting your brand colors as the default values for primary, secondary, background, text colors, etc., in the Plus UI token system. These changes ensure that all components reflect your brand's identity consistently.

What typography options does Plus UI provide?

Plus UI provides a range of typography options through its design system, including font family, font size, font weight, line height, and letter spacing tokens. These options can be customized to fit your brand's typography guidelines, ensuring consistency across all textual elements in your application.

How do I ensure accessibility in my design with Plus UI?

Ensuring accessibility in your design with Plus UI involves leveraging the framework's accessible components and guidelines. Plus UI components are built with accessibility in mind, including proper semantic HTML, ARIA attributes, keyboard navigation, and screen reader support. You should follow Plus UI's accessibility guidelines, such as color contrast ratios and accessible typography, to create an inclusive user experience.

Can I use Plus UI with Tailwind CSS?

Yes, you can use Plus UI with Tailwind CSS. Plus UI components can be customized using CSS, and since Tailwind CSS is a utility-first CSS framework, you can apply Tailwind's utility classes to Plus UI components to adjust their styling. However, ensure to manage any potential conflicts between the default styles of Plus UI and Tailwind CSS by using appropriate CSS specificity and order of inclusion.

Are there guidelines for using Plus UI's design system?

Yes, Plus UI provides guidelines for using its design system. These guidelines cover best practices for applying design tokens, using components, ensuring accessibility, and maintaining consistency across your application. Following these guidelines helps teams to effectively use Plus UI's system to create cohesive and user-friendly interfaces.

How do I update my design system in Plus UI?

Updating your design system in Plus UI involves modifying design tokens, updating component styles, or adding new components as needed. These changes should be made in the central repository or location where your design system is managed. Plus UI's modular architecture means updates to tokens or components will automatically propagate to wherever they are used, ensuring your system stays current and consistent.

UI Library

What components are included in the Plus UI library?

From basic elements like buttons, inputs, and toggles to more complex components such as modals, accordions, tabs, and navigation bars, Plus UI typically includes over 27 components and over 2000 variants in Community version which is essential for building modern web applications. Please check out the component list page.

What are the advantages of multi-framework components?

Plus UI's multi-framework components offer several advantages that make them a powerful and flexible choice for building user interfaces:

Consistency: By using the same set of components across different projects and frameworks, Plus UI ensures a consistent look and feel for the user interface. This can help to improve user experience and reduce confusion, as users will be familiar with the components regardless of the technology stack being used.

Reusability: Multi-framework components in Plus UI can be easily reused across different projects and frameworks. This can help to reduce development time and costs, as developers do not have to write redundant code for each project. Instead, they can simply use the pre-built components from Plus UI and customize them as needed.

Flexibility: Plus UI's cross-framework components are designed to be interoperable with different front-end frameworks and libraries, such as React, Vue, and Angular. This makes them a flexible choice for developers who want to use pre-built UI components in their projects without being tied to a specific technology stack.

Maintainability: By using multi-framework components in Plus UI, developers can improve the maintainability of their code. Because the components are standardised and encapsulated, they are less likely to cause conflicts or break other parts of the application. This can make it easier to maintain and update the code over time.

Overall, the advantages of multi-framework components in Plus UI make it a powerful and flexible choice for building user interfaces that are consistent, reusable, and maintainable across different projects and technology stacks.

What are the disadvantages of framework-specific components?

While framework-specific components in Plus UI can offer some benefits, they also have several disadvantages that can limit their usefulness in certain contexts. Here are a few examples:

Limited usability: Framework-specific components in Plus UI can only be used in the framework or library they were designed for, which can limit their usability and reusability in other projects. Developers who want to use these components in a different framework will need to either rebuild them or use a wrapper library, which can be time-consuming.

Limited lifespan: Framework-specific components in Plus UI are closely tied to the lifecycle of the framework or library they were designed for. This means that if the framework or library becomes outdated or is no longer supported, the components may also become obsolete.

Breaking changes: New versions or updates of a framework or library can introduce breaking changes, requiring significant effort to update framework-specific components in Plus UI. This can be a major inconvenience for developers who rely on these components in their projects.

Overall, while framework-specific components in Plus UI can provide some benefits, they come with significant limitations and potential drawbacks. Developers should consider these factors carefully before deciding whether to use these components in their projects and may want to explore alternative solutions that offer greater flexibility and longevity.

Why does Plus UI component library use a web component?

Plus UI component library uses web components because they offer a powerful way to create reusable UI components with encapsulated functionality and styling. Web components provide a standardised way to create custom HTML elements that can be easily reused across different projects and frameworks, which makes them an ideal technology for building component libraries like Plus UI.

Web components also offer a high level of encapsulation, which helps to prevent conflicts between components and makes it easier to maintain and update the code. By using web components, Plus UI can create a set of standardised UI components that can be customized and used across different technology stacks, which reduces development time and ensures consistency across different projects.

In addition, web components are interoperable with different frameworks and libraries, which makes them a flexible choice for building component libraries that can be used in a variety of projects. Plus UI can be used with different front-end frameworks and libraries, such as React, Vue, and Angular, which makes it a versatile choice for developers who want to use a set of pre-built UI components in their projects.

How do I customize components in Plus UI?

Customization in Plus UI can be achieved through various methods, including CSS variables for styling, properties for functional adjustments, and slots for content customization. Plus UI components built with Lit support reactive properties and attributes, allowing you to easily modify component behavior and appearance by passing different values or applying custom styles.

Are Plus UI components accessible?

Accessibility is a core principle of Plus UI. Components are designed with semantic HTML, appropriate ARIA roles, keyboard navigation support, and focus management to ensure they meet highest accessibility standards. This makes it easier to build applications that are usable by everyone, including people with disabilities.

How do I use Plus UI components with React?

To use Plus UI components in a React application, you can directly import and use them as you would with any other React component, thanks to React's support for custom elements. Ensure the Plus UI web components are loaded into your application, and then you can use them within your JSX just like native HTML elements, passing props as attributes.

Can Plus UI components be dynamically loaded?

Yes, Plus UI components can be dynamically loaded into your application. This can be achieved through code-splitting techniques and dynamic imports, allowing you to load components only when they are needed, which can significantly improve your application's performance.

How do I handle events with Plus UI components?

Event handling with Plus UI components follows the standard web component event model. You can listen for events on Plus UI components using the standard addEventListener method in JavaScript or by using event listener attributes directly in your HTML or JSX templates. Plus UI components emit custom events for interactions, which you can handle to perform actions in your application.

Is there a grid system in Plus UI?

Plus UI includes a design system, it likely offers a grid system to facilitate layout design. This system would provide a flexible and responsive method for creating layouts using rows and columns, making it easier to design adaptive and responsive interfaces that work on various screen sizes.

How can I use icons with Plus UI components?

Icons can be integrated with Plus UI components either through direct inclusion in the components themselves or by using an external icon library. Plus UI may offer a set of default icons or support for popular icon libraries like Font Awesome, allowing you to easily include and customize icons within your UI components.

Do Plus UI components support animation?

Plus UI components likely support animations, either natively through CSS animations and transitions or via integration with web animation APIs. This enables you to add interactive and engaging effects to your UI, enhancing the user experience.

What are the benefits of being built with Lit?

Plus UI is built with Lit, it means the library leverages the Lit library's capabilities for creating fast, lightweight, and reactive web components. Lit components are easy to integrate with various frameworks and provide a solid foundation for building customizable, scalable, and performant web applications.

Advanced Usage

How do I implement global state management with Plus UI?

Global state management in a Plus UI-based application can be implemented using JavaScript libraries or frameworks like Redux, MobX, or the Context API in React (if using React with Plus UI). The key is to create a central store that holds the state and ensure that Plus UI components can interact with this store to read and update the state. You might need to create custom events or methods within your Plus UI components to dispatch actions or subscribe to the store's changes.

Can Plus UI be used with server-side rendering frameworks?

Yes, Plus UI components, especially if built with web standards like Web Components, can be used with server-side rendering (SSR) frameworks like Next.js, Nuxt.js, or Angular Universal. The compatibility often depends on the SSR framework's support for Web Components. Some adjustments or polyfills might be necessary to ensure that custom elements are correctly rendered and hydrated on the client side.

How do I optimize Plus UI for performance?

Optimizing Plus UI for performance involves several strategies:

  • Lazy loading: Dynamically import Plus UI components only when they are needed.

  • Tree shaking: Ensure your build tool is configured to support tree shaking to remove unused Plus UI code from the final bundle.

  • Efficient bundling: Use module bundlers like Webpack, Rollup, or Parcel to minimize and compress your application's assets.

  • Caching: Utilize browser caching for Plus UI assets to reduce load times on repeat visits.

  • Performance analysis: Regularly use tools like Lighthouse or Chrome DevTools to identify performance bottlenecks and optimize them.

What are the best practices for using Plus UI in large projects?

For large projects, consider the following best practices:

  • Modular architecture: Organize your application into modular components and features, using Plus UI components as the building blocks.

  • State management: Adopt a robust state management solution to manage global state efficiently.

  • Code splitting: Implement code splitting to load resources only when needed, reducing the initial load time.

  • Component reuse: Encourage the reuse of Plus UI components across different parts of your application to maintain consistency and reduce duplication.

  • Documentation and style guides: Maintain comprehensive documentation and style guides to ensure that developers and designers can work effectively with Plus UI.

How do I extend Plus UI components with additional functionality?

To extend Plus UI components, you can wrap them in your custom components, adding the additional functionality you need. If Plus UI is built with Lit or a similar library, you can also subclass the original component classes to extend their behavior. Always check Plus UI's documentation for guidelines on extending components to ensure compatibility.

Can I use Plus UI with TypeScript?

Plus UI components can be used with TypeScript if they are built with standard web component technologies. You may need to provide or generate TypeScript definitions for Plus UI components to enable type checking and autocompletion in your development environment. Some UI libraries also offer TypeScript support out of the box.

How do I contribute to the Plus UI component library?

Contributing to Plus UI typically involves:

  • Forking the repository: Start by forking the Plus UI GitHub repository.

  • Setting up a development environment: Follow the project's setup instructions to get started.

  • Making your changes: Implement new features, fix bugs, or improve documentation as needed.

  • Submitting a pull request: Once your changes are ready, submit a pull request (PR) for review by the Plus UI maintainers.

  • Following contribution guidelines: Adhere to the project's contribution guidelines for coding standards, commit messages, and other practices.

What testing strategies does Plus UI recommend?

Plus UI might recommend a combination of unit testing, integration testing, and end-to-end testing, depending on the complexity of the components. Tools like Jest for unit and integration tests, and Cypress or Puppeteer for end-to-end testing, are commonly used. Testing should cover both the functionality and accessibility of components.

How do I handle theming and branding with Plus UI?

Theming and branding with Plus UI can be managed through custom CSS variables and the centralized token system. Define your brand colors, typography, and other design tokens in a central place, and apply these tokens across your Plus UI components to ensure a consistent look and feel. Plus UI may also support dynamic theming, allowing you to switch themes at runtime.

Are there any utilities for layout and spacing in Plus UI?

Plus UI likely includes a set of utility classes or a grid system for managing layout and spacing. These utilities can be used to quickly apply margins, padding, flexbox layouts, or grid layouts to Plus UI components and custom content. Check the Plus UI documentation for specific utilities and how to use them in your projects.

Compatibility and Integration

How do I ensure cross-browser compatibility with Plus UI?

Ensuring cross-browser compatibility with Plus UI involves several steps:

  • Polyfills: Use polyfills for Web Components if Plus UI is built on them, especially for older browsers that might not support these standards natively.

  • CSS Prefixes: Utilize tools like PostCSS and its Autoprefixer plugin to automatically add vendor prefixes to your CSS, ensuring styles work across different browsers.

  • Testing: Regularly test your application in multiple browsers and devices during development to catch and fix compatibility issues early.

  • Documentation: Refer to Plus UI's documentation for any specific browser support guidelines or known issues.

Can Plus UI be integrated with existing projects?

Yes, Plus UI can be integrated into existing projects. The integration process typically involves:

  • Adding Plus UI: Install Plus UI via your project's package manager.

  • Updating Your Build: Ensure your build pipeline (Webpack, Rollup, etc.) can handle Plus UI components, especially if they are Web Components.

  • Refactoring: Gradually replace or wrap existing UI components with Plus UI components, testing for functionality and style consistency.

How does Plus UI work with web component technology?

Plus UI is built with Web Component technology, it leverages HTML Custom Elements, Shadow DOM, and HTML Templates to create encapsulated, reusable components. This allows for:

  • Encapsulation: Styles and scripts are encapsulated within components, preventing conflicts with the global scope.

  • Reusability: Components can be easily shared and reused across different parts of your application or even across projects.

  • Interoperability: Web Components are standards-based, ensuring compatibility with modern browsers and JavaScript frameworks.

What version of JavaScript is required for Plus UI?

Plus UI likely requires ECMAScript 2015 (ES6) or newer, given the modern JavaScript features it might use (classes, modules, arrow functions, etc.). Check Plus UI's documentation for the exact version requirement and ensure your development and production environments are compatible.

How do I use Plus UI with Vue.js?

Integrating Plus UI with Vue.js involves:

  • Importing Components: Import Plus UI components into your Vue components where needed.

  • Registration: You might need to globally or locally register Plus UI components within your Vue application, depending on your setup.

  • Data Binding: Use Vue's data binding to integrate Plus UI components with your Vue application's reactive data.

Can Plus UI be used alongside other UI libraries?

Yes, Plus UI can be used alongside other UI libraries, but with considerations:

  • Style Conflicts: Be mindful of potential style conflicts. Utilize CSS scoping or methodologies like BEM to mitigate issues.

  • Performance: Monitor your application's performance, as using multiple UI libraries can increase your bundle size and affect load times.

  • Component Naming: Watch out for component naming conflicts and resolve them by namespacing or aliasing imports.

How do I integrate Plus UI with Angular?

To integrate Plus UI with Angular:

  • Module Imports: Import Plus UI components in your Angular modules using the CUSTOM_ELEMENTS_SCHEMA to avoid template parsing errors.

  • Component Registration: Use Angular's schemas array within @NgModule decorators to register Plus UI components as custom elements.

  • Data Binding and Events: Bind data to Plus UI components using Angular's binding syntax and handle events with (eventName)="handlerMethod($event)".

Does Plus UI support progressive web apps (PWAs)?

Plus UI components, built with performance and modern web standards in mind, are suitable for use in Progressive Web Apps (PWAs). They should work well with service workers, manifest files, and other PWA features, enhancing the app's offline capabilities, load times, and user experience.

Can I use Plus UI components inside web workers?

Directly using Plus UI components (or any DOM-based UI components) inside Web Workers is not possible since Web Workers do not have access to the DOM. However, you can use Web Workers to offload computational tasks or data fetching and then communicate the results back to the main thread where Plus UI components can use this data to update the UI.

Customization & Themes

Can Plus UI component library and design system be customised?

Yes, the Plus UI library or design system can be customised to fit the specific needs and branding of your organization. While the component library comes with pre-built components and design elements, these can be customized to fit your specific use case.

Plus UI component library is built using modern web technologies such as HTML, CSS, and JavaScript, which makes it easy to modify and extend. Developers and designers can use the provided documentation to learn how to customise components, or even create new ones.

Customisation can include modifying the colors, typography, spacing, and other design elements of the components of the design system.

By customising the library, organisations can create a unique design system that aligns with their branding and design language. This helps create a consistent and recognizable brand identity across all products and projects.

Plus UI provides support and resources for customising the library, including documentation and an active community of developers and designers who can provide guidance and support.

How do I create a custom theme with Plus UI?

Creating a custom theme involves defining a set of design tokens and styles that represent your brand's visual identity. This typically includes colors, fonts, spacing, and other UI elements. With Plus UI, you can create a custom theme by overriding the default design tokens or CSS variables. Use a central stylesheet or JavaScript configuration to apply these custom tokens globally across your application.

Can I modify the default Plus UI icons?

Yes, you can modify the default Plus UI icons by either replacing them with your own SVG icons or integrating with an external icon library. If Plus UI uses a slot or a prop for icons in its components, you can easily swap the default icons with your custom ones by providing your icons in the designated slots or properties.

How do I override default component behaviors?

Overriding default component behaviors might involve extending Plus UI components with your own classes or wrapping them in your custom components to add or modify behaviors. Use JavaScript or framework-specific methods (for Vue, React, Angular, etc.) to intercept events, props, and slots, applying your custom logic where needed.

What are the best practices for customizing Plus UI components?
  • Maintain Consistency: Keep your customizations consistent across components to ensure a cohesive user experience.

  • Use Design Tokens: Leverage design tokens for scalable and maintainable customizations, especially for themes.

  • Extend Rather Than Modify: Prefer extending components or using composition to add custom functionality, preserving the base component behavior for easier updates.

  • Document Changes: Keep track of customizations for future reference and updates, especially if working in a team.

How do I add custom animations to Plus UI components?

Custom animations can be added through CSS animations or JavaScript-based animation libraries. Target Plus UI components with CSS selectors to apply animations directly, or use JavaScript to dynamically add animations based on user interaction. Ensure animations enhance the user experience and accessibility.

Can I use custom fonts with Plus UI?

Yes, custom fonts can be integrated by including them in your application's CSS using @font-face or by linking to external font services (like Google Fonts). Once the fonts are available, override the default font tokens or variables in Plus UI to apply your custom fonts.

How do I customize the Plus UI dark theme?

Customizing the dark theme involves overriding the default dark theme tokens or CSS variables provided by Plus UI. Adjust colors, fonts, and other elements specifically for the dark mode, ensuring adequate contrast and readability.

Are there tools to help customize Plus UI themes?

Tools like Style Dictionary or themedesigner.app can help manage and apply design tokens across your project. These tools assist in creating, maintaining, and applying consistent themes by generating stylesheets or configuration files that Plus UI can use.

How do I ensure my customizations remain after updating Plus UI?

To ensure customizations remain intact after updates:

  • Avoid Direct Modifications: Do not modify Plus UI's source files directly. Use extension or composition for customizations.

  • Version Control: Use version control (like Git) to manage changes and resolve conflicts after updates.

  • Follow Semver: Pay attention to versioning. Major updates might introduce breaking changes requiring adjustments to your customizations.

Can I define custom tokens in Plus UI?

Defining custom tokens is typically supported in UI libraries like Plus UI. You can define custom design tokens (for colors, typography, spacing, etc.) in your theme configuration, which Plus UI components will then utilize. This is crucial for creating a unique and consistent branding across your application.

Best Practices & Guidelines

How do I ensure accessibility in Plus UI component library and design system?

Accessibility is a top priority for the Plus UI component library and design system. We strive to ensure that our components and design elements meet the latest accessibility standards and guidelines, such as WCAG 2.1 and ARIA.

To ensure accessibility in your project, we recommend the following best practices:

  • Semantic HTML: Use semantic HTML elements provided by Plus UI to ensure meaningful structure and improve screen reader compatibility.

  • ARIA Attributes: Utilize ARIA (Accessible Rich Internet Applications) attributes in Plus UI components to enhance accessibility for users with disabilities.

  • Keyboard Navigation: Ensure all interactive Plus UI components are fully operable with keyboard controls to aid users who cannot use a mouse.

  • Color Contrast: Adhere to WCAG guidelines for color contrast to ensure that text is readable for users with visual impairments.

  • Testing: Regularly test your application with accessibility tools (like axe or Lighthouse) and manual checks to identify and fix accessibility issues.

What is the browser support capability of the Plus UI component library and design system?

Plus UI component library and design system is designed to work seamlessly across all modern web browsers, including Google Chrome, Mozilla Firefox, Apple Safari, and Microsoft Edge.

We provide comprehensive browser support to ensure that our components and design elements are fully functional and visually consistent across all modern browsers. This means that you can use Plus UI with confidence, knowing that it will work on the most popular web browsers used by your audience.

Our component library and design system are also designed to work well with legacy browsers, such as Internet Explorer 11, although some features may be limited or not supported.

We strive to stay up-to-date with the latest web standards and technologies, and we regularly update our component library and design system to ensure that they are compatible with the latest browsers and devices.

If you have any concerns about browser compatibility or need specific guidance on how to ensure your project is compatible with certain browsers, we have an active community of developers and designers who are knowledgeable in this area and can provide guidance and support.

How do I ensure Mobile-friendliness with Plus UI?

To ensure mobile-friendliness:

  • Utilize responsive design features of Plus UI to adapt layouts to various screen sizes.

  • Implement touch-friendly interfaces, making sure touch targets are appropriately sized.

  • Optimize images and assets for faster loading on mobile networks.

  • Consider mobile-first design when planning UI and UX.

What are the performance optimization techniques for Plus UI?

For optimizing performance:

  • Leverage code splitting to load Plus UI components as needed.

  • Minimize and compress assets to reduce load times.

  • Implement lazy loading for images and offscreen components.

  • Use efficient data fetching strategies (like caching and batching requests).

How should I structure my project using Plus UI for scalability?

For scalability:

  • Adopt a modular architecture, organizing code by features or functionality.

  • Encourage component reuse to minimize code duplication.

  • Implement a state management solution suitable for your project's size.

  • Regularly refactor and review code to maintain cleanliness and manageability

What are the security considerations when using Plus UI?

Security considerations include:

  • Sanitizing user input to prevent XSS attacks.

  • Regularly updating Plus UI and its dependencies to patch vulnerabilities.

  • Implementing Content Security Policies (CSP) to mitigate XSS risks.

  • Using HTTPS for secure data transmission.

How can I make my Plus UI-based application SEO-friendly?

To enhance SEO:

  • Ensure server-side rendering or static rendering is in place for content-heavy pages.

  • Use semantic HTML and structured data to improve content understanding by search engines.

  • Implement meta tags and provide alt texts for images.

  • Ensure fast loading times as performance is a key SEO factor.

How can I ensure a consistent user experience across different platforms?

To ensure consistency:

  • Use responsive design principles to adapt UI to various devices.

  • Test on multiple browsers and devices throughout the development process.

  • Standardize UI elements and interactions across platforms.

  • Use Plus UI's built-in themes and customization options to maintain visual consistency.

What are the dos and don’ts of using Plus UI in enterprise applications?
  • Do implement comprehensive testing for reliability.

  • Do plan for future scalability from the start.

  • Don't over-customize components to the point of complicating updates.

  • Don't neglect the performance, as it's crucial for user experience.

How can I leverage Plus UI for rapid prototyping?

For rapid prototyping:

  • Utilize Plus UI's extensive component library to quickly assemble UIs.

  • Apply custom themes for fast branding without deep customization.

  • Use Plus UI's flexibility to iterate designs quickly, enabling fast feedback and refinement cycles.

Community and Contributions

Are there regular updates or a roadmap for Plus UI?

Most open-source projects like Plus UI publish a roadmap and regular updates:

  • Roadmap: Check the Plus UI GitHub repository or official website for a roadmap outlining planned features and updates.

  • Updates: Subscribe to release notifications on GitHub or join the Plus UI community channels to stay informed about new releases.

How do I submit a component to the Plus UI library?

To submit a component, you typically need to:

  1. Fork the Plus UI repository on GitHub.

  2. Develop your component following the project's contribution guidelines.

  3. Ensure your component meets the quality standards, including accessibility and responsiveness.

  4. Submit a pull request (PR) with your component for review by the Plus UI maintainers.

What is the process for suggesting improvements to Plus UI?

Suggest improvements by:

  • Opening an issue on the Plus UI GitHub repository detailing your suggestion.

  • Participating in community discussions to gauge support and feedback for your idea.

  • For significant changes, consider drafting a formal improvement proposal as per the project's guidelines.

Get help

If you're new to Figma, the platform may initially seem overwhelming, but exploring the interface can be a fun and rewarding experience. Before you can use the Keep Design System in Figma, it's essential to learn the basic tools and functionalities of the platform.

If you still can't find what you're looking for, you can refer to our support page.

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