Layout helper that arranges the individual buttons using the same sizing
and spacing rules as LearmondPayButtons so apps can embed the individual
components while preserving a consistent appearance.
Convenience helper: build merchantArgs from common form fields like
an amount string and optional summary items. This keeps callers from
reimplementing amount-to-cents and ensures the package remains the
single source of truth for merchant args construction.
Convenience helper: build merchantArgs from common form fields like
an amount string and optional summary items. This keeps callers from
reimplementing amount-to-cents and ensures the package remains the
single source of truth for merchant args construction.
Set application-wide merchant args builder to be used by
buildMerchantArgs when no explicit builder is provided.
Set application-wide merchant args builder to be used by
buildMerchantArgs when no explicit builder is provided.