1import * as _ from 'lodash-es'
2
3export const chainPromiseCalls = async <T, R>(
4  data: T[] | Record<string, T>, 
5  fnc: (item: T, keyOrIndex: string | number) => Promise<R>, 
6): Promise<R[] | Record<string, R>> => {
7  if (_.isPlainObject(data)) {
8    const ret: Record<string, R> = {}
9    for (const key in data as Record<string, T>) {
10      const val = (data as Record<string, T>)[key]
11      ret[key] = await fnc(val, key)
12    }
13    return ret
14  }
15
16  const ret: R[] = []
17  for(let ii = 0; ii < (data as T[]).length; ii++) {
18    const result = await fnc((data as T[])[ii], ii)
19    ret.push(result)
20  }
21  return ret
22}
23