Function deviceFieldsFromPublicPlatform

src/kernel/device.ts:111–118

(platform: PublicPlatform)

 * leaves `appleOs` unset so the target-based inference still distinguishes tvOS.
 */
export function deviceFieldsFromPublicPlatform(platform: PublicPlatform): {
  platform: Platform;
  appleOs?: AppleOS;
} {
  if (platform === 'macos') return { platform: 'apple', appleOs: 'macos' };
  if (platform === 'ios') return { platform: 'apple' };
  return { platform };
}

/**
 * The tvOS Apple-OS leaf predicate. tvOS is modeled as the `ios` platform with a