lib/methods/a_map.ts
/** returns any type values */
export type CallBackMap<T, R> = (
value: T,
index?: number,
collection?: T[]
) => Promise<R>;
/**
* Async Map function
*
* @export
* @template T
* @template R
* @param {T[]} elements
* @param {CallBackMap<T, R>} cb
* @returns {Promise<R[]>}
*/
export async function aMap<T, R>(
elements: T[],
cb: CallBackMap<T, R>
): Promise<R[]> {
const mappedResults: R[] = [];
for (const [index, element] of elements.entries()) {
const mappedResult = await cb(element, index, elements);
mappedResults.push(mappedResult);
}
return mappedResults;
}