/**
 * Ensures there are no duplicate keys when building a procedure.
 */
export function mergeWithoutOverrides<TType extends Record<string, unknown>>(
  obj1: TType,
  ...objs: Partial<TType>[]
): TType {
  const newObj: TType = Object.assign(Object.create(null), obj1);

  for (const overrides of objs) {
    for (const key in overrides) {
      if (key in newObj && newObj[key] !== overrides[key]) {
        throw new Error(`Duplicate key ${key}`);
      }
      newObj[key as keyof TType] = overrides[key] as TType[keyof TType];
    }
  }
  return newObj;
}