understanding-graphs/src/js/utilities/randomizer.js

// generate a random key (string)
const generateKey = (prefix) => {
  let text = '';
  const possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

  for (let i = 0; i < 32; i += 1) {
    text += possible.charAt(Math.floor(Math.random() * possible.length));
  }
  return `${prefix}-${text}`;
};


export {
  generateKey
};