isSelfParticipant | SignalWire

1 isSelfParticipant(participant): participant is SelfParticipant

Type guard that checks if a participant is the local SelfParticipant.

Parameters

participant

ParticipantRequired

Participant to test.

Returns

participant is SelfParticipant

Examples

Narrow at the type level

1 import { isSelfParticipant } from '@signalwire/js';
2 
3 call.participants$.subscribe((participants) => {
4   for (const p of participants) {
5     if (isSelfParticipant(p)) {
6       // p is typed as SelfParticipant here — local-only methods are available.
7       p.startScreenShare?.();
8     }
9   }
10 });