Function isError

isError<T extends SDKResponse>(
response: T,
): response is Extract<T, { error: string }>
Type guard to check if an SDK response has an error status code (400, 401, 403, 404, 424, 426, 500, 501).
Type Parameters
- T extends SDKResponse
Parameters
- response: T
  The SDK response to check
Returns response is Extract<T, { error: string }>
true if the response is an error, false otherwise
Example
```
const response = await someBridgeMethod();
if (isError(response)) {
  // response narrowed to error variants, `error` is available
  console.error(response.error);
}
```