[Front-End System Design] - Typeahead Widget

2 min read 1 year ago
Published on Apr 29, 2024 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

Step-by-Step Tutorial: Designing a Typeahead Widget for Front-End Engineers

1. Collect Requirements

  • Identify core functionality and functional requirements of the typeahead widget.
  • Consider cache size, configuration options, and API design for the widget.

2. Components Architecture

  • Design the structure of the widget, including components and dependency graph.
  • Define the search input, suggestion list, and customizable suggestion results.

3. API Design

  • Define the properties and functions needed for the widget using TypeScript notation.
  • Include functions like getResults, renderItem, and updateItem.

4. Store Design

  • Organize data storage for the widget, including result mapping and cache management.
  • Implement functions for caching search results and managing state.

5. Optimization

  • Focus on network, rendering, and JavaScript performance optimization.
  • Utilize techniques like debouncing, caching, virtualization, and CSS optimization.

6. Accessibility

  • Ensure keyboard navigation and visual optimization for user accessibility.
  • Implement shortcuts, tab navigation, and screen reader-friendly attributes.

7. NPM Package Distribution

  • Extract the widget as an npm package for easy integration in various applications.
  • Distribute the widget through the npm registry for decoupled reusability.

8. Review and Feedback

  • Share the design schema with attachments for feedback and improvement suggestions.
  • Collaborate with others to enhance the widget design and prepare for interviews effectively.

By following these steps, you can design a comprehensive typeahead widget suitable for front-end engineering interviews and applications. Good luck with your preparation and design process!