FeatureFlags

featureflag.playground

enum Environment {
    case dev
    case qa
    case prod
}

enum FeatureType {
    case feature1
    case feature2

    func isFeatureEnabledFor(environment: Environment) -> Bool {
        switch environment {
        case .dev:
            switch self {
            case .feature1:
                return true
            case .feature2:
                return true
            }
        case .qa:
            switch self {
            case .feature1:
                return true
            case .feature2:
                return false
            }
        case .prod:
            switch self {
            case .feature1:
                return false
            case .feature2:
                return true
            }
        }
    }
}

class MyClass {
    
    let currentEnvironment = Environment.prod
    func check() {
        if(FeatureType.feature1.isFeatureEnabledFor(environment: currentEnvironment)) {
            print("Do something")
        } else {
            print("Use existing flow")
            // Use existing flow
        }
        if(FeatureType.feature2.isFeatureEnabledFor(environment: currentEnvironment)) {
            print("Do something")
        } else {
            // Use existing flow
            print("Use existing flow")
        }
    }
    
}

let myClass = MyClass()

myClass.check()