initPaddle.js

initPaddle(){
        //Init the Paddle after it's loaded from their server. 
        //There is no callback or an event so we use intervals to wait until it's loaded. 
        //We also must load their script from their servers to get the freshest code.

        let interval = setInterval(() => {
                if (typeof window.Paddle !== 'undefined') {
                    //Credentials: https://vendors.paddle.com/account
                    window.Paddle.Setup({
                        vendor: 11111,
                        debug: false
                    });

                    clearInterval(interval);
                }
        }, 500);
    }