Function isRtcForgeError

isRtcForgeError(err: unknown, code?: string): err is RtcForgeError
Type guard that checks whether a value is a RtcForgeError, optionally matching a specific error code.
Parameters
- err: unknown
  The value to test, typically a caught unknown.
- Optionalcode: string
  When provided, additionally requires the error's code to equal this value.
Returns err is RtcForgeError
true if err is a RtcForgeError (and matches code when given), narrowing its type.
Example
```
try {
  doWork()
} catch (err) {
  if (isRtcForgeError(err, 'INVALID_ARGUMENT')) {
    // err is narrowed to RtcForgeError here
    retryWithDefaults()
  }
}
```
- Defined in packages/core/src/errors.ts:76