connectedTypes_1.ts

interface Messenger {
    sendText: () => void;
    sendFile: () => void;
    checkStatus?: () => void;
}

type RequiredFields<T> = {
    [K in keyof T as T[K] extends Required<T>[K] ? K : never]: T[K];
};

// type RequiredMessengerProperties = {
//     sendText: () => void;
//     sendFile: () => void;
// }
type RequiredMessengerProperties = RequiredFields<Messenger>;

type FeatureOptions<T> = {
    [K in keyof T as `is${Capitalize<K & string>}Enabled`]: boolean;
};

// type FeatureFlags = {
//     isSendTextEnabled: boolean;
//     isSendFileEnabled: boolean;
// }
type FeatureFlags = FeatureOptions<RequiredMessengerProperties>;