text: const areArraysEqual = (x, y) => {
    if (x.byteLength !== y.byteLength) return false;
    const xView = new Uint8Array(x),
      yView = new Uint8Array(y);
    for (let i = 0; i < x.byteLength; i++) {
      if (xView[i] !== yView[i]) return false;
    }
    return true;
  };
  
  const createArrayBuffer = array => {
    // Uint8Array.from() is not defined in IE 10/11
    const arrayBuffer = new ArrayBuffer(array.length);
    const view = new Uint8Array(arrayBuffer);
    for (let i = 0; i < array.length; i++) {
      view[i] = array[i];
    }
    return arrayBuffer;
  };
  
  module.exports = {
    areArraysEqual,
    createArrayBuffer
  };
  