import { Generator, isNil } from '@ibm-wch-sdk/utils';

export function updateField(
  aName: string,
  aGenerator: Generator<string>,
  aObj: any
): any {
  const oldValue = aObj[aName];
  if (isNil(oldValue)) {
    // update with the generated value
    aObj[aName] = aGenerator();
  }
  return aObj;
}