@patternslib/patternslib/src/core/uuid.js

Patternslib is a JavaScript library that enables designers to build rich interactive prototypes without the need for writing any Javascript. All events are triggered by classes and other attributes in the HTML, without abusing the HTML as a programming la

/**
 * Get a universally unique id (uuid).
 *
 * @returns {String} - The uuid.
 */
const create_uuid = () => {
    let uuid;
    if (window.crypto.randomUUID) {
        // Create a real UUID
        // window.crypto.randomUUID does only exist in browsers with secure
        // context.
        // See: https://developer.mozilla.org/en-US/docs/Web/API/Crypto/randomUUID
        uuid = window.crypto.randomUUID();
    } else {
        // Create a sufficiently unique ID
        const array = new Uint32Array(4);
        uuid = window.crypto.getRandomValues(array).join("");
    }
    return uuid;
};
export default create_uuid;