strophe.js/dist/types/sasl-anon.js

Strophe.js is an XMPP library for JavaScript

import SASLMechanism from './sasl';
class SASLAnonymous extends SASLMechanism {
    constructor(mechname = 'ANONYMOUS', isClientFirst = false, priority = 20) {
        super(mechname, isClientFirst, priority);
    }
    test(connection) {
        return connection.authcid === null;
    }
}
export default SASLAnonymous;