export type MaybeAsync<T> = Promise<T> | T;

export const isPromise = (test: any) => test && typeof test.then === "function";

export const executeMaybeAsyncFunction = async <T>(
  func: (...args: any[]) => MaybeAsync<T>,
  ...args: any[]
) => {
  let result = func(...args);
  if (isPromise(result)) {
    result = await result;
  }
  return result;
};