orderby.ts

// New Way
export function orderBy<TSource>(
  key: keyof TSource
): UnaryFunction<AsyncIterable<TSource>, OrderedAsyncIterableX<TKey, TSource>> {
  return function orderByOperatorFunction(source: AsyncIterable<TSource>) {
    return new OrderedAsyncIterableX<TSource>(source, key, false);
  };
} 

// Old way
export function orderBy<TKey, TSource>(
  keySelector: (item: TSource) => TKey,
  comparer: (fst: TKey, snd: TKey) => number = defaultSorter
): UnaryFunction<AsyncIterable<TSource>, OrderedAsyncIterableX<TKey, TSource>> {
  return function orderByOperatorFunction(source: AsyncIterable<TSource>) {
    return new OrderedAsyncIterableX<TKey, TSource>(source, keySelector, comparer, false);
  };
}