trilium/apps/web-clipper/PULL_REQUEST.md

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# Trilium Web Clipper - Manifest V3 Conversion
## 📋 **Summary**
This pull request upgrades the Trilium Web Clipper Chrome extension from Manifest V2 to Manifest V3, ensuring compatibility with Chrome's future extension platform while adding significant UX improvements.
## ✨ **Key Improvements**
### **🚀 Performance Enhancements**
- **Faster page saving** - Optimized async operations eliminate blocking
- **Smart content script injection** - Only injects when needed, reducing overhead
- **Efficient error handling** - Clean fallback mechanisms
### **👤 Better User Experience**
- **Progressive status notifications** - Real-time feedback with emojis:
- 📄 "Page capture started..."
- 🖼️ "Processing X image(s)..."
- 💾 "Saving to Trilium Desktop/Server..."
- ✅ "Page has been saved to Trilium." (with clickable link)
- **Instant feedback** - No more wondering "is it working?"
- **Error-free operation** - Clean console logs
## 🔧 **Technical Changes**
### **Manifest V3 Compliance**
- Updated `manifest_version` from 2 to 3
- Converted `browser_action``action`
- Updated `background` scripts → `service_worker` with ES modules
- Separated `permissions` and `host_permissions`
- Added `scripting` permission for dynamic injection
- Updated `content_security_policy` to V3 format
### **API Modernization**
- Replaced all `browser.*` calls with `chrome.*` APIs
- Updated `browser.tabs.executeScript``chrome.scripting.executeScript`
- Converted to ES module architecture
- Added proper async message handling
### **Architecture Improvements**
- **Service Worker Background Script** - Modern persistent background
- **Dynamic Content Script Injection** - Better performance and reliability
- **ES Module System** - Cleaner imports/exports throughout
- **Robust Error Handling** - Graceful degradation on failures
## 📁 **Files Modified**
### Core Extension Files
- `manifest.json` - Complete V3 conversion
- `background.js` - New ES module service worker
- `content.js` - Chrome APIs + enhanced messaging
- `utils.js` - ES module exports
- `trilium_server_facade.js` - Chrome APIs + ES exports
### UI Scripts
- `popup/popup.js` - Chrome API updates
- `options/options.js` - Chrome API updates
### Backup Files Created
- `background-v2.js` - Original V2 background (preserved)
## 🧪 **Testing Completed**
### ✅ **Core Functionality**
- Extension loads without errors
- All save operations work (selection, page, screenshots, images, links)
- Context menus and keyboard shortcuts functional
- Popup and options pages working
### ✅ **Integration Testing**
- Trilium Desktop connection verified
- Trilium Server connection verified
- Toast notifications with clickable links working
- Note opening in Trilium verified
### ✅ **Performance Testing**
- Faster save operations confirmed
- Clean error-free console logs
- Progressive status updates working
## 🔄 **Migration Path**
### **Backward Compatibility**
- All existing functionality preserved
- No breaking changes to user experience
- Original V2 code backed up as `background-v2.js`
### **Future Readiness**
- Compatible with Chrome Manifest V3 requirements
- Prepared for Manifest V2 deprecation (June 2024)
- Modern extension architecture
## 🎯 **Benefits for Users**
1. **Immediate** - Better feedback during save operations
2. **Future-proof** - Will continue working as Chrome evolves
3. **Faster** - Optimized performance improvements
4. **Reliable** - Enhanced error handling and recovery
## 📝 **Notes for Reviewers**
- This maintains 100% functional compatibility with existing extension
- ES modules provide better code organization and maintainability
- Progressive status system significantly improves user experience
- All chrome.* APIs are stable and recommended for V3
## 🧹 **Clean Implementation**
- No deprecated APIs used
- Follows Chrome extension best practices
- Comprehensive error handling
- Clean separation of concerns with ES modules
---
**Ready for production use** - Extensively tested and verified working with both Trilium Desktop and Server configurations.