old_contents: /**
   * Convert a typed array to a Buffer without a copy
   *
   * Author:   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
   * License:  MIT
   *
   * `npm install typedarray-to-buffer`
   */
  
  var isTypedArray = require('is-typedarray').strict
  
  module.exports = function typedarrayToBuffer (arr) {
    if (isTypedArray(arr)) {
      // To avoid a copy, use the typed array's underlying ArrayBuffer to back new Buffer
      var buf = new Buffer(arr.buffer)
      if (arr.byteOffset !== 0 || arr.byteLength !== arr.buffer.byteLength) {
        // Respect the "view", i.e. byteOffset and byteLength, without doing a copy
        buf = buf.slice(arr.byteOffset, arr.byteOffset + arr.byteLength)
      }
      return buf
    } else {
      // Pass through all other types to the `Buffer` constructor
      return new Buffer(arr)
    }
  }
  
new_contents: /**
   * Convert a typed array to a Buffer without a copy
   *
   * Author:   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
   * License:  MIT
   *
   * `npm install typedarray-to-buffer`
   */
  
  var isTypedArray = require('is-typedarray').strict
  
  module.exports = function typedarrayToBuffer (arr) {
    if (isTypedArray(arr)) {
      // To avoid a copy, use the typed array's underlying ArrayBuffer to back new Buffer
      var buf = new Buffer(arr.buffer)
      if (arr.byteLength !== arr.buffer.byteLength) {
        // Respect the "view", i.e. byteOffset and byteLength, without doing a copy
        buf = buf.slice(arr.byteOffset, arr.byteOffset + arr.byteLength)
      }
      return buf
    } else {
      // Pass through all other types to the `Buffer` constructor
      return new Buffer(arr)
    }
  }
  
subject: remove superfluous check