WebSocketFrameErrorCode
WebSocketFrameErrorCode =
1002|1007|1009
Defined in: packages/format-websocket/src/errors.ts:10
Why a frame cannot be accepted, as the close code the endpoint must then fail the connection with (RFC 6455 §7.4.1).
1002— protocol error: malformed or illegal framing.1007— a close reason (or, at the message layer, a text message) that is not UTF-8.1009— a payload larger than the limit.