🧩 Moving from Classic to Modern SharePoint — Without Rewriting Your Code

Many organizations still rely on Classic Pages with custom scripts and jQuery web parts. But as Microsoft gradually phases out the classic experience, the move to Modern SharePoint becomes inevitable.

💡 The good news — you don’t have to rewrite everything in TypeScript. You can simply wrap your existing JavaScript code in an SPFx Web Part that sequentially loads your legacy scripts (jquery.js, Helper.js, Assistant.js, etc.) using SPComponentLoader.loadScript.

This approach gives you:

  • a modern, supported container for your legacy logic;
  • lifecycle control and cleaner styling;
  • a smooth, gradual migration path — without breaking current functionality.

🔧 The result: your old Web Parts keep working on modern pages, while your team gains time to refactor and integrate with REST API, Graph, and React components.


📈 Bottom line: moving to Modern SharePoint doesn’t have to be a revolution — sometimes a smart SPFx wrapper is all you need to bridge the old and the new.

#SharePoint #ModernExperience #SPFx #Microsoft365 #DigitalTransformation

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About the Author

Ruslan Kudinov

IT Manager

Reference:

Kudinov, R (2025). (8) 🧩 Moving from Classic to Modern SharePoint — Without Rewriting Your Code | LinkedIn [Accessed: 11th October 2025].

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