export interface IFileWithHash {
  fullHash: string
  fileSize: number
  fileName: string
  fileType: string
  filePath: string
  calcFileHash(): Promise<void>
}

export interface IFileSlicer extends IFileWithHash {
  chunkSize: number
  chunks: IChunkItem[]
  splitFile(start?: number, end?: number): Promise<void>
  destroy(): void
}

export interface IChunkItem {
  body: ArrayBuffer
  // slice hash
  partialHash: string
  // start byte position
  position: number
  // slice length
  offset: number
}