Function parseSpec

web/src/js/modes/index.ts:33–66

(full_spec: string)

}

export const parseSpec = (full_spec: string): RawSpecParts => {
    let [head, listenAt] = rpartition(full_spec, "@");

    if (!head) {
        head = listenAt;
        listenAt = "";
    }

    const [name, data] = partition(head, ":");
    let listen_host: string | undefined, listen_port: number | undefined;

    if (listenAt) {
        let port: string;
        if (listenAt.includes(":")) {
            [listen_host, port] = rpartition(listenAt, ":");
        } else {
            listen_host = "";
            port = listenAt;
        }
        if (port) {
            listen_port = parseInt(port, 10);
            if (isNaN(listen_port) || listen_port < 0 || listen_port > 65535) {
                throw new Error(`invalid port: ${port}`);
            }
        }
    }
    return {
        full_spec,
        name,
        data,
        listen_host,
        listen_port,
    };
};