new Dialogify('dialog content')
    .title('dialog title')
    .buttons([{type:Dialogify.BUTTON_PRIMARY}])
    .showModal();

// alternate alert, confirm and prompt
(async function() {
    await Dialogify.alert('Alert!!');

    if (await Dialogify.confirm('Yes or no？')) {
        // blah..
    }

    const answer = await Dialogify.prompt('Question？');
    // if (answer == blah...)
})();