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Storybook

Storybook is an open-source UI development tool that lets developers build, test, and document components in an isolated sandbox environment, separate from the main application, ensuring consistency and efficiency. Its basics involve creating "stories" (different states of a component), running the Storybook server (often npm run storybook), and using its interface to interactively adjust props, view different states (like error or loading), and leverage add-ons for testing (accessibility, visual regression) and documentation. 
This video provides a quick overview of Storybook:

Core Concepts:
  • Isolation: Develop components without app complexities (data, routing) in a clean environment.
  • Stories: Code snippets defining different UI states (e.g., a button in primary, secondary, disabled states) for a component.
  • Sandbox: The Storybook UI where components are rendered and interacted with.
  • Add-ons: Plugins that extend functionality, like controls for props, accessibility checks, or viewport resizing. 

Basic Workflow:
  1. Install: Add Storybook to your project (npx sb init).
  2. Create Stories: In your component's stories folder, export your component and define stories (e.g., export const Primary = () => <Button primary />;).
  3. Run: Start the development server with npm run storybook (or yarn storybook).
  4. Develop & Test:
    • Use the sidebar to select stories.
    • Interact with components in the sandbox.
    • Use the Controls panel to change props dynamically.
    • Add testing add-ons for quality assurance.
  5. Document: Storybook automatically generates documentation from your stories, making them shareable and reusable. 
This video demonstrates how to set up and use Storybook:

Key Benefits:
  • Faster Development: Focus on one component at a time.
  • Consistency: Build a shared library of components.
  • Collaboration: Designers, developers, and stakeholders can review UIs easily.
  • Testing: Integrated testing for UI bugs. 
This video explains the core concepts of Storybook:
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