Function isMsgIdStr

scripts/fb_revealDeletedMessages.js:58–58

(str)

      const WebSocketOrig = window.WebSocket;
      window.WebSocket = function fakeConstructor(dt, config) {
        const isMsgIdStr = (str) => str?.startsWith?.("mid.$");

        // recursive find all array in payload
        const findArray = (obj) => {