passing stripeAccount parameter to Stripe constructor

Hi,
I need to create a stripe source on a connected account, this is feasible only by creating the Stripe instance with the optional stripeAccount parameter.
var stripe = new Stripe(
'pk_test_....',
{stripeAccount: "acct_..."},
);
I was thinking to enable lazy load, and in the route->beforeModel call the load function with the stripeAccount parameter:
this.get('stripe').load({stripeAccount="acct_..."});
Any other idea?
Anyone can help me on this?