define a utility object to store helper APIs, add 'job' API to utilities

src/g-component.html

@@ -92,6 +92,26 @@ license that can be found in the LICENSE file.
 
       var $ = document.querySelector.bind(document);
 
+      // utility methods
+      
+      var job = function(inJobName, inJob, inWait) {
+        job.stop(inJobName);
+        job._jobs[inJobName] = setTimeout(function() {
+          job.stop(inJobName);
+          inJob();
+        }, inWait);
+      };
+      job.stop = function(inJobName) {
+        if (job._jobs[inJobName]) {
+          clearTimeout(job._jobs[inJobName]);
+          delete job._jobs[inJobName];
+        }
+      };
+      job._jobs = {};
+      
+      var utils = {
+        job: job
+      };
       var nodeIterator = function(inNodes, inFn) {
         if (inNodes) {
           for (var i=0, n; (n=inNodes[i]); i++) {