const specificStatusCodeMappings: Record<number, string> = {
1000: "Normal Closure",
1001: "Going Away",
1002: "Protocol Error",
1003: "Unsupported Data",
1004: "(For future)",
1005: "No Status Received",
1006: "Abnormal Closure",
1007: "Invalid frame payload data",
1008: "Policy Violation",
1009: "Message too big",
1010: "Missing Extension",
1011: "Internal Error",
1012: "Service Restart",
1013: "Try Again Later",
1014: "Bad Gateway",
1015: "TLS Handshake",
} as const
export function getStatusCodeString(code: number): string {
if (code >= 0 && code <= 999) {
return "(Unused)"
} else if (code >= 1016) {
if (code <= 1999) {
return "(For WebSocket standard)"
} else if (code <= 2999) {
return "(For WebSocket extensions)"
} else if (code <= 3999) {
return "(For libraries and frameworks)"
} else if (code <= 4999) {
return "(For applications)"
}
}
return specificStatusCodeMappings[code] ?? "(Unknown)"
}
protected handleSocketClose(socketId: SocketId, event: CloseEvent): void {
const { code, reason = getStatusCodeString(code) } = event
// ...
}
