Init question

[swrocket]

`
function init() {
if (!Object.prototype.hasOwnProperty.call(window, 'mixpanel')) {
throw 'Global mixpanel not available. Did you forget to include the library on the page?';
}

        mixpanel.init(apiKey);            

        waitTillAsyncApiLoaded(function () {
            if (superProperties) mixpanel.register(superProperties);
        });
    }

`
In the above function, should it not call mixpanel.init(apiKey) inside the waitTillAsyncApiLoaded callback?
I get weird cases where no events or properties are sent to Mixpanel and I'm wondering if in some cases the init is called before the library is fully loaded...