Script to trigger sheet worker updates when linked bar is updated

BarMonitor.js

var BarMonitor = BarMonitor || (function() {
    'use strict';
    var version = '0.1',
    lastUpdate = 1484779400,

	attrUpdate = function(obj,bar)
	{
		var link = obj.get(bar+"_link");
		var value = obj.get(bar+"_value");
		
		if(!_.isUndefined(link) && link !== "")
		{
			var linkAttr = getObj("attribute", link);
			
			if (!_.isUndefined(linkAttr))
			{
			    findObjs({ _characterid: linkAttr.get("_characterid"), _type: "attribute", name: "recalc1"})[0].setWithWorker({current: 1});
				//linkAttr.setWithWorker( { current: value } );
			}
		}
	},
	
	barUpdate = function(obj,prev)
	{
	    if (obj.get("bar1_value") != prev["bar1_value"] && obj.get("bar1_value") != -99 && prev["bar1_value"] != -99)
		    attrUpdate(obj,"bar1");
	    if (obj.get("bar2_value") != prev["bar2_value"] && obj.get("bar2_value") != -99 && prev["bar2_value"] != -99)
		    attrUpdate(obj,"bar2");
	    if (obj.get("bar3_value") != prev["bar3_value"] && obj.get("bar3_value") != -99 && prev["bar3_value"] != -99)
		    attrUpdate(obj,"bar3");
	},

    checkInstall = function() {    
        log('-=> Bar Monitor v'+version+' <=-  ['+(new Date(lastUpdate*1000))+']');
	},

	RegisterEventHandlers = function() {
		on('change:graphic:bar1_value', barUpdate);
		on('change:graphic:bar2_value', barUpdate);
		on('change:graphic:bar3_value', barUpdate);
	};

	return {
        CheckInstall: checkInstall,
		RegisterEventHandlers: RegisterEventHandlers
	};
}());

on("ready",function(){
	'use strict';

	BarMonitor.CheckInstall();
	BarMonitor.RegisterEventHandlers();
});