import { BimerError } from "./bimer";

export function isObject(
  value: unknown,
  keyValidators: { [key: string]: (val: any) => boolean }
): value is { [key: string]: any } {
  if (typeof value !== "object" || value === null) {
    return false;
  }

  for (const key in keyValidators) {
    if (keyValidators.hasOwnProperty(key)) {
      if (!keyValidators[key]((value as { [key: string]: any })[key])) {
        return false;
      }
    }
  }

  return true;
}

export function isBimerError(value: unknown): value is BimerError {
  return isObject(value, {
    ErrorMessage: (val: any) => typeof val === "string",
  });
}