@esri/calcite-components/dist/collection/utils/guid.js

Web Components for Esri's Calcite Design System.

function gen(counts) {
  return counts
    .map((count) => {
    let out = "";
    for (let i = 0; i < count; i++) {
      out += (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
    }
    return out;
  })
    .join("-");
}
export const guid = () => gen([2, 1, 1, 1, 3]);