review.tizen.org Git - platform/framework/web/crosswalk-tizen.git/blob

   1 define(['./forOwn', '../lang/isPlainObject'], function (forOwn, isPlainObject) {
   2
   3     /**
   4      * Deeply copy missing properties in the target from the defaults.
   5      */
   6     function deepFillIn(target, defaults){
   7         var i = 0,
   8             n = arguments.length,
   9             obj;
  10
  11         while(++i < n) {
  12             obj = arguments[i];
  13             if (obj) {
  14                 // jshint loopfunc: true
  15                 forOwn(obj, function(newValue, key) {
  16                     var curValue = target[key];
  17                     if (curValue == null) {
  18                         target[key] = newValue;
  19                     } else if (isPlainObject(curValue) &&
  20                                isPlainObject(newValue)) {
  21                         deepFillIn(curValue, newValue);
  22                     }
  23                 });
  24             }
  25         }
  26
  27         return target;
  28     }
  29
  30     return deepFillIn;
  31
  32 });