@atlaskit/adf-schema/dist/es2019/utils/uuid.js

Shared package that contains the ADF-schema (json) and ProseMirror node/mark specs

export const generateUuid = () => 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/gu, c => {
  const r = Math.random() * 16 | 0;
  return (c === 'x' ? r : r & 0x3 | 0x8).toString(16);
});
let staticValue = false;
export const uuid = {
  setStatic(value) {
    staticValue = value;
  },
  generate() {
    return staticValue || generateUuid();
  }
};