Generates a random key name such as "yfva-pyxd-qxfv-ftjr"

randomKey.js

/**
 * Generates a random key name such as "yfva-pyxd-qxfv-ftjr"
 * @param {number} quartets
 * @returns {string}
 *
 * (C) 2018 Adam C. Abernathy, [email protected]. Licence MIT
 * https://gist.github.com/adamabernathy/4047f2e79b05af2d5f8b23e0748ac1a2
 */
const randomKey = (quartets = 4) => {
  const f = () => Math.floor(Math.random() * 26) + 97; // Lowercase charcodes: 97->122
  return Array.apply(null, { length: quartets })
    .map(Number.call, Number)
    .map(k => String.fromCharCode(f(), f(), f(), f()))
    .join('-');
};