typedarray-to-buffer/index.js

Convert a typed array to a Buffer without a copy

/**
 * 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`
 */

module.exports = function (arr) {
  if (typeof Buffer._augment === 'function' && Buffer._useTypedArrays) {
    // If `Buffer` is from the `buffer` module and this browser supports typed arrays,
    // then augment it with all the `Buffer` methods.
    return Buffer._augment(arr)
  } else {
    // Otherwise, fallback to creating a `Buffer` with a copy.
    return new Buffer(arr)
  }
}