PodTui/tasks/podcast-tui-app/58-loading-states.md

57. Implement Error Handling

meta: id: podcast-tui-app-57 feature: podcast-tui-app priority: P1 depends_on: [56] tags: [error-handling, debugging, solidjs]

objective:

• Implement error handling throughout the app
• Handle API errors
• Handle file errors
• Handle user input errors
• Display error messages

deliverables:

• src/utils/error-handler.ts with error handling
• src/components/ErrorDisplay.tsx with error UI
• src/components/LoadingSpinner.tsx with loading UI

steps:

• Create src/utils/error-handler.ts:
  • handleError(error: Error, context: string): void
  • Log errors to console
  • Display user-friendly error messages
  • Handle different error types
• Create src/components/ErrorDisplay.tsx:
  • Display error message
  • Error type indicator
  • Retry button
  • Error details (expandable)
• Create src/components/LoadingSpinner.tsx:
  • Loading indicator
  • Loading message
  • Different loading states

tests:

• Unit: Test error handler
• Unit: Test error display
• Integration: Test error handling flow

acceptance_criteria:

• Errors are caught and handled
• Error messages display correctly
• Retry functionality works
• User sees helpful error messages

validation:

• Run application and trigger errors
• Test API errors
• Test file errors
• Test input errors
• Verify error messages display

notes:

• Handle network errors (API calls)
• Handle file errors (import/export)
• Handle validation errors (inputs)
• Handle parsing errors (RSS feeds)
• Display errors in user-friendly way
• Add error logging for debugging
• Consider adding Sentry for production