Method readChunk

packages/platform/deno/src/DenoFileSystem.ts:222–244

(method: string, buffer: Uint8Array)

  }

  private readChunk(method: string, buffer: Uint8Array) {
    return Effect.suspend(() => {
      const position = this.position
      return Effect.map(
        tryPromise(
          method,
          undefined,
          async () => {
            if (this.nativePosition !== position) {
              this.file.seekSync(position, Deno.SeekMode.Start)
            }
            this.nativePosition = undefined
            return await this.file.read(buffer)
          }
        ),
        (bytesRead) => {
          const sizeRead = FileSystem.Size(bytesRead ?? 0)
          this.position = this.nativePosition = position + sizeRead
          return sizeRead
        }
      )
    })
  }

  read(buffer: Uint8Array) {
    return this.readChunk("read", buffer)