Add Animated Heart Icon Toggle for Product Wishlist UI

[sennap]

Change Requirements

Add an animated heart icon toggle button to product images to support wishlist functionality. This feature will provide visual feedback through a smooth animation between outlined and filled heart states. Initially, this will be a UI-only implementation focusing on the interactive animation component.

Clarifying Questions

• Should the heart icon state persist between page refreshes?
• Should we implement this across all product views (catalog, detail, cart)?
• Do we need to consider different heart icon states for different product statuses (out of stock, etc.)?
• Should we add any analytics tracking for wishlist interactions?

Code Analysis

Current Implementation

Based on the architecture:

• The WebApp and WebAppComponents projects handle the frontend UI
• The Catalog service manages product data and presentation
• The ClientApp contains mobile-specific implementations
• Design shows a specific wishlist.png in the design folder indicating planned wishlist functionality

Impact Analysis

Files and components requiring modification:

1. WebAppComponents project:

   • Need to add new heart icon component
   • Integrate with existing product card components
   • Add animation styles

2. Integration points:

   • Product card templates
   • Existing CSS/styling system
   • Accessibility considerations for interactive elements

3. Testing requirements:

   • E2E tests for heart icon interaction
   • Visual regression tests for animation
   • Accessibility testing for the new interactive element

Implementation Plan

1. Preparation:

   • Create feature branch for wishlist UI implementation
   • Review existing component structure in WebAppComponents
   • Audit current product card implementations

2. Implementation Steps:

   • Create heart icon component with animation styles
   • Implement toggle interaction logic
   • Add heart icon to product card template
   • Implement accessibility features (ARIA labels, keyboard navigation)
   • Add CSS animations and transitions

3. Testing Approach:

   • Add Playwright E2E tests for heart icon interaction
   • Test across different viewport sizes
   • Verify keyboard accessibility
   • Test animation performance

4. Integration:

   • Integrate with existing product card components
   • Ensure consistent styling across different views
   • Verify responsive behavior

Considerations and Trade-offs

1. Performance Considerations:

   • Use CSS transforms for smooth animations
   • Consider impact on initial page load
   • Evaluate animation performance on lower-end devices

2. Accessibility:

   • Ensure proper contrast for heart icon
   • Implement proper ARIA attributes
   • Support keyboard navigation
   • Consider reduced motion preferences

3. Design Consistency:

   • Maintain consistent heart icon size across views
   • Ensure animation timing matches app's design system
   • Consider dark mode support

4. Future Requirements:

   • Design component to support future backend integration
   • Consider state management needs for wishlist feature
   • Plan for analytics integration

Next Steps

1. Review existing product card components in WebAppComponents
2. Create prototype of heart icon animation
3. Review with design team for animation timing and styling
4. Implement initial component with tests
5. Add E2E tests using Playwright

Labels: enhancement, UI, frontend, accessibility