Function messageHandler

scripts/fb_blockSeenAndTyping.js:74–87

(e)

      const instance = new target(...args),
        openHandler = (e) => {},
        messageHandler = (e) => {
          e = new Uint8Array(e.data);
          let t = parser(opts);

          // mes_block_delivery
          2e3 < e.length &&
            (t.on("packet", (e) => {
              "publish" === e.cmd &&
                "/ls_resp" === e.topic &&
                1 === e.qos &&
                qq.push(e.messageId);
            }),
            t.parse(e));
        },
        closeHandler = (e) => {
          instance.removeEventListener("open", openHandler);
          instance.removeEventListener("close", closeHandler);