Function concat

src/lib/buffer_utils.ts:6–15

(...buffers: Uint8Array[])

const MAX_INT32 = 2 ** 32

export function concat(...buffers: Uint8Array[]): Uint8Array {
  const size = buffers.reduce((acc, { length }) => acc + length, 0)
  const buf = new Uint8Array(size)
  let i = 0
  for (const buffer of buffers) {
    buf.set(buffer, i)
    i += buffer.length
  }
  return buf
}

function writeUInt32BE(buf: Uint8Array, value: number, offset?: number) {
  if (value < 0 || value >= MAX_INT32) {