PromiseKit HomeKit Extensions 
This project adds promises to Apple’s HomeKit framework.
- Xcode >= 9.3 required for iOS
- Xcode >= 9.0 required for all other platforms
Thus, Swift versions supported are: 3.2, 3.3, 3.4, 4.0, 4.1 & 4.2.
CocoaPods
pod "PromiseKit/HomeKit", "~> 6.0"
The extensions are built into PromiseKit.framework thus nothing else is needed.
Carthage
github "PromiseKit/HomeKit" ~> 1.0
The extension is built into it's own framework:
import PromiseKit
import PMKHomeKit