fix

assets/support/support.js

@@ -68,6 +68,13 @@ __PluginManager__.register('support', function(module, exports, require, global)
     function isNumber(value) {
         return !Number.isNaN(value) && isFinite(value) && typeof value === 'number';
     }
+    /**
+     * @return {number}
+     */
+    function toNumber(value, def = 0) {
+        var n = Number(value);
+        return isNumber(n)?n:def;
+    }
     function isInteger(value) {
         return isNumber(value) && (value % 1) === 0;
     }
@@ -134,7 +141,20 @@ __PluginManager__.register('support', function(module, exports, require, global)
         }
         return null;
     }
-
+    function definePropertyGet(obj, key, val) {
+        Object.defineProperty(obj, key, {
+            get: function () {
+                return valueEx(val);
+            },
+        });
+    }
+    function args2array(arguments) {
+        var args = [];
+        for (var i = 0; i < arguments.length; i++) {
+            args.push(arguments[i]);
+        }
+        return args;
+    }
     /**
      * @memberOf kit
      */
@@ -158,7 +178,10 @@ __PluginManager__.register('support', function(module, exports, require, global)
         isA,
         makeNode,
         setKit,
-        getKit
+        getKit,
+        toNumber,
+        definePropertyGet,
+        args2array
     };
 
     return module.exports = support;