Graphorin API reference v0.7.0

---

Graphorin API reference / @graphorin/protocol / subprotocol / negotiateSubprotocol

Function: negotiateSubprotocol()

function negotiateSubprotocol(clientList): string | null;

Defined in: packages/protocol/src/subprotocol.ts:87

Pick the single subprotocol the server should echo back. Returns SUBPROTOCOL_NAME when the client offered it, or null when no compatible variant was advertised. The function ignores ticket.* tokens - those are handled separately via parseTicketSubprotocol.

Parameters

Parameter	Type
clientList	string | readonly string[]

Returns

string | null

Stable