ByteDance ADFE Team

Jul 30, 2021 · Backend Development

Building a Large File Chunked Upload Library in TypeScript (easy-file-uploader)

This article explains the technical details of large file chunked uploading, walks through designing a custom TypeScript library for both server and client sides, provides step‑by‑step implementation code, and demonstrates a complete Koa‑React demo, offering developers a ready‑to‑use solution for efficient large file transfers.