Destination.user.js

// ==UserScript==
// @name        Destination
// @namespace   tufin_st_rules
// @description Expand Destination Column
// @include     https://192.168.200.98/
// @version     1
// @grant       none
// ==/UserScript==
$(window).load(function(){
    function waitForKeyElements(selectorTxt, /* Required: The jQuery selector string that
                            specifies the desired element(s).
                        */
    actionFunction, /* Required: The code to run when elements are
                            found. It is passed a jNode to the matched
                            element.
                        */
    bWaitOnce, /* Optional: If false, will continue to scan for
                            new elements even after the first match is
                            found.
                        */
    iframeSelector /* Optional: If set, identifies the iframe to
                            search.
                        */
    ) {
      var targetNodes,
      btargetsFound;
      if (typeof iframeSelector == 'undefined')
      targetNodes = $(selectorTxt);
       else
      targetNodes = $(iframeSelector).contents().find(selectorTxt);
      if (targetNodes && targetNodes.length > 0) {
        btargetsFound = true;
        /*--- Found target node(s).  Go through each and act if they
                are new.
            */
        targetNodes.each(function () {
          var jThis = $(this);
          var alreadyFound = jThis.data('alreadyFound') || false;
          if (!alreadyFound) {
            //--- Call the payload function.
            var cancelFound = actionFunction(jThis);
            if (cancelFound)
            btargetsFound = false;
             else
            jThis.data('alreadyFound', true);
          }
        });
      } 
      else {
        btargetsFound = false;
      }  //--- Get the timer-control variable for this selector.

      var controlObj = waitForKeyElements.controlObj || {
      };
      var controlKey = selectorTxt.replace(/[^\w]/g, '_');
      var timeControl = controlObj[controlKey];
      //--- Now set or clear the timer as appropriate.
      if (btargetsFound && bWaitOnce && timeControl) {
        //--- The only condition where we need to clear the timer.
        clearInterval(timeControl);
        delete controlObj[controlKey]
      } 
      else {
        //--- Set a timer, if needed.
        if (!timeControl) {
          timeControl = setInterval(function () {
            waitForKeyElements(selectorTxt, actionFunction, bWaitOnce, iframeSelector
            );
          }, 300
          );
          controlObj[controlKey] = timeControl;
        }
      }
      waitForKeyElements.controlObj = controlObj;
    }

    function make_change(jNode) {
      fn = $(jNode).text();
      if (fn == 'Destination') {
        //console.log('Found it!');
        $(jNode).width("10%");
      }
    }


  //console.log('Loaded');
  waitForKeyElements(".rule_header", make_change, false, '#main_view');
})