Function toClientCloseCode

hub/src/web/server.ts:39–43

(code: number)

// Codes 1005/1006/1015 are reserved and cannot be sent in a close frame;
// abnormal upstream drops commonly produce 1006, which would throw on clientWs.close().
function toClientCloseCode(code: number): number {
    return code >= 1000 && code <= 4999 && code !== 1005 && code !== 1006 && code !== 1015
        ? code
        : 1011
}

function decodeWsText(message: string | ArrayBuffer | Uint8Array): string {
    if (typeof message === 'string') return message