React Design System – Where to Start?

React design system

Building a React design system from scratch requires careful planning and consideration. Input from multiple departments and stakeholders is crucial for creating a component library that serves the organization and its end users.

This article is an introduction to React design systems and how to approach component development, documentation, governance, design tools, and more. We also have astep-by-step guide to building a design systemwhich covers 12 essential topics.

Did you know you can bring React UI components into the design process with UXPin Merge?Visit our Merge page for more details.

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The Benefits of a React Design System

There are many benefits to using or building a React design system. React’s component-driven development approach makes it the perfect modular-style UI library for design systems. Front-end developers can strip React components down toatomsand combine these to create newUI elements, patterns, and templates.

React is one of the most widely used UI libraries, which offers many benefits for building design systems:

  • A big community of developers to ask questions and solve problems
  • An abundance of Javascript tools and integrations
  • Manywell-established design systemsfor inspiration

Which companies use React design systems?

Here is a short list of companies using React for their design systems:

We recommend checking out these design systems to learn about component syntax, documentation, guidelines, and other design system factors.

Check out Adelefor more design system inspiration. It’s a repository of publicly available design systems and pattern libraries with links to GitHub repos to download and analyze.

React Design System Fundamentals

design system components

Understanding Atomic Design Principles

Atomic Designis a system created by Brad Frost where he organizes UI elements into five categories:

  • Atoms:foundational UI elements you cannot break down further–e.g., HTML tags, fonts, buttons, animations, and color palettes.
  • Molecules:groups of atoms create components that serve a specific function or purpose. e.g., search input, nav links, dropdown menu, etc.
  • Organisms:Complex UI patterns that combine to create user interfaces. e.g., a header nav bar, footer, image carousel, etc.
  • Templates:represent a complete user interface with multiple organisms working together. e.g., a dashboard, news feed, chat UI, etc.
  • Pages:represent the different instances of the template and how content changes within the screen–for example, refreshing content in a newsfeed or receiving a message through chat.

Why is Atomic Design important for React design systems?

The Atomic Design methodology enables you to leverage React’s modularity and reusability benefits. By approaching a design system as a sum of many atoms (or Lego pieces), it’s easier to develop a flexible, scalable UI library that can adapt and evolve with your product.

The design system team can build new components and patterns much quicker by combining atoms and molecules. This modular approach also makes building one-off solutions easier and more cost-effective because it’s a matter of combining what you have rather than developing from scratch.

The role of components in a React design system

React components are the building blocks that help ensure consistency, reusability, and maintainability across user interfaces and apps. These UI elements serve many vital purposes, including:

  • Modularity:React components are modular by design, making it easy to combine, reuse, and manage the UI library.
  • Consistency:React’s effortless reusability enables developers to build design principles, styles, and interactions into each component and recall it anywhere in the application.
  • Reusability:Developers can leverage a UI library of reusable components to save time and resources when developing new products. This reusability also reduces errors andtechnical debtbecause devs don’t have to write code from scratch.
  • Customizability:developers can easily customize specific components while still adhering to design guidelines or affecting the UI library, allowing for flexibility when necessary.
  • Maintainability:With components stored in a centralized repository, developers can push updates and bug fixes from one place, making it easy to maintain and improve the design system and its products.
  • Scalability:工程师可以扩展和适应反应组件evolve with products and new technology.
  • Accessibility:Developers can incorporate foundational accessibility standards at the component level, making it easier to implement product-wide.

The importance of using design tokens

Design tokensincorporate the core values of a React design system. These tokens contain properties such as colors, typography, spacing, sizing, states, interactivity, and more to maintain a consistent design languageacross multiple platforms, devices, and operating systems.

A design token can contain many values for multiple platforms. For example, UXPin’s homepage uses yellow for CTAs. The hex code for this yellow is #FCC821, which you can represent in several ways:

  • HEX: #FCC821
  • RGB (CSS): rgb(252, 200, 33)
  • RGBA: rgba(252, 200, 33, 1)
  • Octal (Android/Flutter): 77144041

We can encapsulate all four values under one design token:

  • cta-background-primary

So, if you’re implementing this color in any platform, you use the token instead of the code. Design tokens also make cross-functional collaboration easier because everyone uses the same language rather than one team referencing the HEX, another the RGB, and another the octal–which can get confusing and lead to errors.

Design tokens also allow the design system team to implement product-wide modifications simply by changing the properties in the token file. For example, the team can change thecta-background-primary在名单的设计令牌从黄色到蓝色t ecosystem by adjusting the four codes in one place rather than updating every instance or stylesheet individually.

Getting Started with a React Design System

design system atomic library components

On the surface, a design system appears simple. But, in reality, these UI libraries are complex organisms with many moving parts. Here are some things to consider when planning your React design system.

These factors will lay the foundation for your design system’s governance protocols and procedures. For this reason, it’s essential to document every stage of this early decision-making process.

Mono-repo vs. poly-repo repositories

Decide whether to use a single repository (mono-repo) or multiple repositories (poly-repo) for your design system’s React component library.

Mono-repos simplify dependency management and make it easier to work on multiple packages simultaneously. Poly-repos offer more modularity and isolation between packages, making it easier to maintain and use individual components independently.

Accenture shares the pros and cons of using mono vs. poly-repos.

Component organization

Organize your component library in a way that makes the most sense to your product and team. For example, you can group components by functionality, domain, or Atomic Design–MUI organizes its UI library by functionality:

  • Inputs: Button, Switch, Text Field, etc.
  • Navigation: Drawer, Menu, Pagination, etc.
  • Layouts: Box, Container, Grid, etc.
  • Data Display: Avatar, Icons, List, etc.

No matter how you categorize these components, each must have its own source code, styles, tests, and documentation.

Design token management

Centralize design token managementin a dedicated folder or package controlled by the design system team. This centralized management helps facilitate better maintenance and governance while simplifying changes and updates.

Theming and customization

Design system themingand customization are vital for modern product development, typically requiring at least two themes, light and dark modes.Multi-brand design systemsrequire greater customization and flexibility, so you must consider these factors before developing.

Check out“Theming and Theme Switching with React and styled-components”from CSS Tricksfor details on how to set up themes for React libraries.

Documentation

Design system documentationis vital for successful adoption and consistent implementation. The docs must include your design language, guidelines (content, design, code, accessibility, etc.), style guide, use cases, code examples, tools, and other critical information.

A tool likeStorybookcan help centralize your design system’s documentation management and updates. You cansync your Storybook to UXPin using Mergeand create a single source of truth across design and development.

Testing

Plan a structure for managing and organizing your component tests–another reason to consider Storybook. Storybook offersbuilt-in component testing与多个bug-prevention自动化测试,公司luding visual, interaction, accessibility, snapshot, and more.

Versioning and release management

Establish yourReact library’s versioning strategy and release management processto ensure your design system remains updated and compatible with your products.

Design tools

Designers will need access to your React design system for prototyping and testing. A common strategy is to use vector-based tools, but this means updating and maintaining two formats of your React design system:

  • The component library in the repository
  • UI kits for design teams

WithUXPin Merge, you can import your React library into UXPin’s design editor so designers and engineers use the exact same UI components. There are two options for syncing code components:

Are you interested in experiencing prototyping with React components?Discover more about UXPin Merge.

Use a single source of truth for design and development.Discover Merge

byUXPinon 13th April, 2023

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