[MKT-652]: update/multi-format client-side compression service #1744
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xabg2
approved these changes
Jan 27, 2026
…hub.com/internxt/website into feature/new-service-for-file-compressor
jaaaaavier
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### Summary
This PR performs a major update to the file compression system It includes a full cleanup of legacy dependencies and a highly aggressive compression strategy.
Key Changes
Removed bloat: Deleted heavy libraries like xlsx, docx, mammoth, and tesseract.js that were not contributing to the compression logic, significantly reducing the final bundle size.
Core Updates: Updated @ffmpeg/ffmpeg to the latest WASM-based version and integrated pdfjs-dist for advanced document processing.
Bug Fix: Resolved the "Element type is invalid" error by refactoring the internal State sub-component into a stable renderState function.
Logic Unification: Merged file validation logic (size and extension checks) into a single reusable function to ensure consistency across drag-and-drop and manual uploads.
Performance: Implemented useMemo for text formatting to prevent unnecessary re-computations during UI interactions.
Hybrid PDF Engine: Implemented a dual strategy that attempts structural optimization first, falling back to aggressive page rasterization (DPI scaling + JPEG quality reduction) to force size reduction.
Deep Office Compression: Modern Office files (.docx, .pptx, .xlsx) are now treated as containers. The service extracts internal media assets, compresses them individually, and rebuilds the document.
FFmpeg Integration: Video transcoding is now handled via WebAssembly with an ultrafast preset to optimize processing time within the browser.
Failsafe Logic: Added a size-comparison check that prevents the system from ever returning a file larger than the original upload.