analytics | beacon only on doc-hide

[OmerKat]

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[claude]

Claude finished @OmerKat's task —— View job

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Code Review for PR #61: analytics | beacon only on doc-hide

Review Checklist

• Analyze PR context and gather information
• Review analytics.ts changes
• Assess code quality and best practices
• Check for potential bugs or issues
• Evaluate performance considerations
• Review security concerns
• Assess test coverage
• Provide comprehensive feedback

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Summary

This PR modifies the analytics module to use the Beacon API only when the document is hidden (visibility change), rather than for all flush operations. This is a good optimization that balances reliability with performance.

Changes Overview

The key changes in src/modules/analytics.ts:

1. Made beaconRequest synchronous (line 87): Removed async from function signature
2. Added conditional beacon usage (lines 101-118): Added isBeacon option to flush() function
3. Early return optimization (line 105): Added check to avoid processing empty event arrays
4. Beacon-only on doc hide (line 153): Only uses beacon API when document visibility changes to hidden

Code Quality & Best Practices ✅

• Good error handling: The code properly handles beacon failures by falling back to regular HTTP requests
• Proper TypeScript usage: Type annotations are consistent with the codebase
• Clean code structure: The changes maintain the existing code organization

Potential Issues 🔍

1. Missing test coverage: The test file doesn't include tests for the beacon functionality or visibility change handling
2. Comment accuracy: Line 86 states "currently disabled, until fully tested" but the beacon functionality is actually enabled when isBeacon: true

Performance Considerations ⚡

Positive impacts:

• Using beacon API on document hide ensures analytics data isn't lost when users navigate away
• Early return for empty arrays prevents unnecessary processing
• Synchronous beacon function avoids unnecessary async overhead

Considerations:

• The 60KB payload limit check (line 93) is appropriate for beacon API limitations
• Beacon API is fire-and-forget, so failed requests won't be retried

Security Review 🔒

No security concerns identified:

• No sensitive data exposure
• Proper error handling prevents information leakage
• Uses existing authentication mechanisms

Recommendations 📝

1. Update the misleading comment on line 86 to accurately reflect that beacon is used selectively
2. Add test coverage for:
   • Document visibility change handlers
   • Beacon API usage and fallback logic
   • Empty array handling in flush function
3. Consider adding metrics to track beacon success/failure rates for monitoring

Test Coverage Assessment 🧪

Current test coverage is insufficient:

• No tests for beaconRequest function
• No tests for visibility change handlers
• No tests for the new isBeacon option in flush

Consider adding tests like:

test("should use beacon API when document is hidden", () => {
  // Mock document.visibilityState and navigator.sendBeacon
  // Trigger visibility change and verify beacon is called
});

test("should fallback to HTTP when beacon fails", () => {
  // Mock beacon failure and verify batchRequestFallback is called
});

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Overall, this is a well-implemented optimization that improves the reliability of analytics data collection. The code quality is good, but adding comprehensive test coverage would make this change more robust.

[github-actions]

🚀 Package Preview Available!

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Install this PR's preview build with npm:

npm i @base44-preview/sdk@0.8.9-pr.61.ec411f8

Prefer not to change any import paths? Install using npm alias so your code still imports @base44/sdk:

npm i "@base44/sdk@npm:@base44-preview/sdk@0.8.9-pr.61.ec411f8"

Or add it to your package.json dependencies:

{
  "dependencies": {
    "@base44/sdk": "npm:@base44-preview/sdk@0.8.9-pr.61.ec411f8"
  }
}

• 📦 Preview Package: @base44-preview/sdk@0.8.9-pr.61.ec411f8
• 🔗 View this commit on GitHub

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