array reduce in async way

async-reduce.ts

export async function asyncReduce<IterationItem, AccValue>(
  array: IterationItem[],
  reducer: (accumulate: AccValue, current: IterationItem) => AccValue | Promise<AccValue>,
  initValue: AccValue,
): Promise<AccValue> {
  let accumulate = typeof initValue === 'object' ? Object.create((initValue as unknown) as object) : initValue;

  for (const item of array) {
    accumulate = await reducer(accumulate, item);
  }

  return accumulate;
}