Storybook Interview Questions and Answers for 5 years experience

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Storybook Interview Questions (5 Years Experience)

  1. What is Storybook and why would you use it?

    • Answer: Storybook is an open-source tool for developing UI components in isolation. It allows developers to browse a component library, view the different states of each component, and interact with them. We use it to improve developer experience, ensure UI consistency across an application, facilitate collaboration between designers and developers, and enable faster component development and testing.

  2. Explain the difference between a Story and an Addon in Storybook.

    • Answer: A Story is a single instance or variation of a UI component. It represents a specific state or configuration of the component. Addons, on the other hand, extend Storybook's functionality. They provide additional features like testing tools, design system integrations (e.g., with Figma or Zeplin), accessibility checkers, and more.

  3. How do you organize your stories in a large project?

    • Answer: In large projects, I organize stories using a hierarchical structure mirroring the application's component architecture. This often involves folders grouped by feature or component type. I also use descriptive story names and utilize Storybook's built-in features like tagging and filtering for easy navigation and searching.

  4. Describe your experience with different Storybook addons. Give examples.

    • Answer: I've extensively used addons like Storybook Controls (for easily configuring component props), Storybook Actions (for tracking component events), Storybook Docs (for automatically generating documentation from JSDoc comments), and Storybook Testing Library (for writing unit tests directly within Storybook). I've also experimented with addons for accessibility testing and visual regression testing.

  5. How do you handle component dependencies in Storybook?

    • Answer: I typically manage component dependencies using Storybook's built-in mechanisms and modern JavaScript module systems (e.g., ES modules or CommonJS). I make sure to properly import dependencies within my stories, ensuring that all required modules are correctly loaded and available. Sometimes, techniques like mocking might be necessary to isolate components for testing purposes.

  6. How do you test your components within Storybook?

    • Answer: I use the Storybook Testing Library and/or other testing frameworks (like Jest and React Testing Library) directly within Storybook. This allows me to write unit and integration tests that interact with my components in the same environment where they're developed and viewed. This makes testing much more efficient and accurate.

  7. Explain your workflow for adding a new component to Storybook.

    • Answer: My workflow involves: 1) Creating the component file. 2) Writing at least one basic story for the component. 3) Adding JSDoc comments for auto-generated documentation (using Storybook Docs). 4) Adding any necessary controls or interactions for testing. 5) Running Storybook to preview changes and testing my component.

  8. How do you handle state management within your Storybook stories?

    • Answer: I typically use Storybook Controls or directly manipulate component props to manage state within stories. For more complex scenarios, I might employ a simple state management solution within the story itself, ensuring it doesn't interfere with the component's actual state management in the main application. I avoid complex state management setups within stories unless absolutely necessary.

  9. Describe your experience using Storybook with different frameworks (React, Vue, Angular, etc.).

    • Answer: [Replace this with your actual experience. For example: "I have extensive experience using Storybook with React, including experience with various libraries like React Testing Library, and some experience with Vue.js. While the core principles are similar across frameworks, there are subtle differences in how to configure and use certain features. I am always adapting and learning new strategies."]

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