Rare Earth Juejin Tech Community
Nov 16, 2024 · Frontend Development
Practical Implementation and Optimization of Large File Chunked Upload (Frontend Part)
This article presents a complete frontend solution for large file chunked uploading, covering requirement analysis, slice implementation, hash calculation with Web Workers, MerkleTree-based file identification, a PromisePool for concurrent uploads, real‑time progress tracking, and performance optimizations with detailed code examples.
Chunked UploadFile UploadTypeScript
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