index.js

function allocUnsafe (size) {
  if (typeof size !== 'number') {
    throw new TypeError('"size" argument must be a number')
  }

  if (size < 0) {
    throw new RangeError('"size" argument must not be negative')
  }

  if (Buffer.allocUnsafe) {
    return Buffer.allocUnsafe(size)
  } else {
    return new Buffer(size)
  }
}

module.exports = allocUnsafe