index.js
function _concat(buffOne, buffTwo) {
  if (!buffOne) return buffTwo;
  if (!buffTwo) return buffOne;

  let newLength = buffOne.length + buffTwo.length;
  return Buffer.concat([buffOne, buffTwo], newLength);
}
function _concat(buffOne, buffTwo) {
  if (!buffOne) return buffTwo;
  if (!buffTwo) return buffOne;

  let newLength = buffOne.length + buffTwo.length;
  return Buffer.concat([buffOne, buffTwo], newLength);
}
function _concat ( buffOne , buffTwo ) { if ( ! buffOne ) return buffTwo ; if ( ! buffTwo ) return buffOne ; let newLength = buffOne . length + buffTwo . length ; return Buffer . concat ( [ buffOne , buffTwo ] , newLength ) ; }
Combines two buffers

@param {Object} [buffOne] First buffer object
@param {Object} [buffTwo] Second buffer object
@return {Object} Combined buffer object
Combines two buffers