Function assertNever

cli/src/hooks/use-chat-keyboard.ts:109–111

* Dispatches a keyboard action to the appropriate handler.

(action: never)

 * Dispatches a keyboard action to the appropriate handler.
 */
function assertNever(action: never): never {
  throw new Error(`Unhandled chat keyboard action: ${String(action)}`)
}

function dispatchAction(
  action: ChatKeyboardAction,