// Join array of chunks to single array.
export function flattenChunks(chunks) {
  // calculate data length
  let len = 0

  for (let i = 0, l = chunks.length; i < l; i++) {
    len += chunks[i].length
  }

  // join chunks
  const result = new Uint8Array(len)

  for (let i = 0, pos = 0, l = chunks.length; i < l; i++) {
    let chunk = chunks[i]
    result.set(chunk, pos)
    pos += chunk.length
  }

  return result
}