added support for date strings in component attributes

src/attrs.js

@@ -59,7 +59,7 @@
   function takeAttributes() {
     // for each attribute
     forEach(this.attributes, function(a) {
-      // try to match this attribute to a property (attributess are
+      // try to match this attribute to a property (attributes are
       // all lower-case, so this is case-insensitive search)
       var name = propertyForAttribute.call(this, a.name);
       if (name) {
@@ -71,7 +71,7 @@
         }
         // get original value
         var defaultValue = this[name];
-        // deserialize Boolean or Number values from attribute
+        // deserialize Boolean, Date String or Number values from attribute
         var value = deserializeValue(a.value, defaultValue);
         // only act if the value has changed
         if (value !== defaultValue) {
@@ -102,6 +102,13 @@
       case 'false':
         return inferredType == 'boolean' ? false : inValue;
       }
+
+      // Check for date values (YYYY[./-]MM[./-]DD format)
+      if (inValue.match(/^\d{4}[./-]\d{2}[./-]\d{2}$/g)) {
+        return inValue;    
+      }
+
+      // Check for float
       var float = parseFloat(inValue);
       return isNaN(float) ? inValue : float;
   }