Test Gun recall function

recall-test.html

<script src="https://cdn.jsdelivr.net/gh/amark/gun@master/gun.js"></script>
<script src="https://cdn.jsdelivr.net/gh/amark/gun@master/sea.js"></script>
<!-- <script src="https://cdn.jsdelivr.net/npm/gun/gun.js"></script>
<script src="https://cdn.jsdelivr.net/npm/gun/sea.js"></script> -->
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.15/lodash.min.js"></script>
<script>
;(() => {
    // Reset by uncommenting the next line, run once and comment out again.
    // sessionStorage.clear();
    localStorage.clear();

    let gun = new Gun();
    let user = gun.user();
    let pub = '';

    gun.on('auth', function (...args) {
        pub = user.is.pub;
        console.log('user is: ' + user.is.pub);
        this.to.next(...args);
    });

    // Recall is sync, as it uses session storage.
    user.recall({ sessionStorage: true }, ack => {
        // But, this seems to be only called when there IS a recall
        console.log('recall ack: ' + JSON.stringify(_.pick(ack, ['ok', 'err', 'sea']), null, 2));
    });

    if (!pub) {
        console.log('no recall');
        let runID = 'test-' + new Date().toISOString();
        user.create(runID, '123', ack => {
            console.log('create user ack: ' + JSON.stringify(ack, null, 2));
            // One does not simply recall without calling auth() :)
            user.auth(runID, '123', ack => {
                console.log('auth user ack: ' + JSON.stringify(_.pick(ack, ['ok', 'err', 'sea']), null, 2));
            });
        });
    }
})();
</script>