Function getPartByteRange

getPartByteRange(
    partNumber: number,
    partSize: number,
    fileSize: number,
): { start: number; end: number }
Byte range covered by a multipart part (end exclusive, except the last part uses file size).
Parameters
- partNumber: number
  1-based part index from the presign response.
- partSize: number
  Fixed part size in bytes from presign.
- fileSize: number
  Total file size in bytes.
Returns { start: number; end: number }
Start/end offsets for file.slice(start, end).
- Defined in lib/uploads/browser-multipart-upload.ts:18