added diffToSlimFormat

src/stwkit.js

@@ -76,5 +76,58 @@ var STWkit = {
             }
         }
         return urlParams;
+    },
+    diffToSlimFormat: function(diff) {
+        var result = '';
+        var parent = false;
+        var yr = diff.years;
+        if (yr > 0) {
+            var unit = ' yrs ';
+            if (yr == 1) unit = ' yr ';
+            result += yr + unit;
+            parent = true;
+        }
+        var mo = diff.months;
+        if (mo > 0 || parent) {
+            var unit = ' mo ';
+            if (mo == 1) unit = ' mo ';
+            result += mo + unit;
+            if (parent) return result;
+            parent = true;
+        }
+        var days = diff.days;
+        if (days > 0 || parent) {
+            var unit = ' days ';
+            if (days == 1) unit = ' day ';
+            result += days + unit;
+            if (parent) return result;
+            parent = true;
+        }
+        var hours = diff.hours;
+        if (hours > 0 || parent) {
+            var unit = ' hrs ';
+            if (hours == 1) unit = ' hr ';
+            result += hours + unit;
+            if (parent) return result;
+            parent = true;
+        }
+        var min = diff.minutes;
+        if (min > 0 || parent) {
+            var unit = ' min ';
+            if (min == 1) unit = ' min ';
+            result += min + unit;
+            if (parent) return result;
+            parent = true;
+        }
+        var sec = diff.seconds;
+        if (sec > 0 || parent) {
+            var unit = ' secs ';
+            if (sec == 1) unit = ' sec ';
+            result += sec + unit;
+            if (parent) return result;
+            parent = true;
+        }
+        return result;
     }
+
 };
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