Function callback

src/helpers/helpers.core.ts:103–111

(
  fn: T | undefined,
  args: unknown[],
  thisArg?: TA
)

 * @param [thisArg] - The value of `this` provided for the call to `fn`.
 */
export function callback<T extends (this: TA, ...restArgs: unknown[]) => R, TA, R>(
  fn: T | undefined,
  args: unknown[],
  thisArg?: TA
): R | undefined {
  if (fn && typeof fn.call === 'function') {
    return fn.apply(thisArg, args);
  }
}

/**
 * Note(SB) for performance sake, this method should only be used when loopable type