export function formatLogMessage(message: string | object) {
    if (typeof message === "object") {
        try {
            return JSON.stringify(message, null, 4);
        } catch (e) {
            return message.toString();
        }
    }

    return message;
}

export interface DeferredPromise<T> extends Promise<T> {
    resolve: (value: T | PromiseLike<T>) => void;
    reject: (reason?: any) => void;
}

export function deferred<T>(): DeferredPromise<T> {
    return (() => {
        let resolve!: (value: T | PromiseLike<T>) => void;
        let reject!: (reason?: any) => void;

        let promise = new Promise<T>((res, rej) => {
            resolve = res;
            reject = rej;
        }) as DeferredPromise<T>;

        promise.resolve = resolve;
        promise.reject = reject;
        return promise as DeferredPromise<T>;
    })();
}