The getControllerName() function of the Magento/Braintree/view/frontend/web/js/view/payment/method-renderer/cc-form.js always returns «undefined» and therefore has no sense

Definition

Usage

Why does it always return undefined?

The window.checkoutConfig.payment.iframe config branch is initialized only by the \Magento\Payment\Model\IframeConfigProvider:

But the Magento_Braintree's configuration providers are not descendants of the [\Magento\Payment\Model\IframeConfigProvider:

See also: