underscore/modules/_toBufferView.js

JavaScript's functional programming helper library.

import getByteLength from './_getByteLength.js';

// Internal function to wrap or shallow-copy an ArrayBuffer,
// typed array or DataView to a new view, reusing the buffer.
export default function toBufferView(bufferSource) {
  return new Uint8Array(
    bufferSource.buffer || bufferSource,
    bufferSource.byteOffset || 0,
    getByteLength(bufferSource)
  );
}