Function capability_require

capability_require(capability: keyof SurfaceCapabilities, message: string): void
Asserts that the active surface has a capability, throwing a CapabilityError with a clear message when it does not.
Parameters
- capability: keyof SurfaceCapabilities
  The capability the caller needs.
- message: string
  The message to present when it is absent.
Returns void

Throws
When the active surface lacks the capability.
- Defined in packages/brasa/src/core/surface.ts:183