Function isError

packages/core/src/utils/is.ts:18–28

(wat: unknown)

 * @returns A boolean representing the result.
 */
export function isError(wat: unknown): wat is Error {
  switch (objectToString.call(wat)) {
    case '[object Error]':
    case '[object Exception]':
    case '[object DOMException]':
    case '[object WebAssembly.Exception]':
      return true;
    default:
      return isInstanceOf(wat, Error);
  }
}
/**
 * Checks whether given value is an instance of the given built-in class.
 *