Nodejs Object Merge reverse_merge(opts)

Method Source Code

Object.prototype.reverse_merge = function(opts) {
   for (var p in opts) {
      if (opts.hasOwnProperty(p)) {
         if (this.hasOwnProperty(p)) {
            continue;/*from   w w  w.ja  va  2s.  co  m*/
         }
         this[p] = opts[p];
      }
   }
};

Related

1. merge()

   Object.merge = function () {
       return [].reduce.call( arguments, function ( ret, merger ) {
           Object.keys( merger ).forEach(function ( key ) {
               ret[ key ] = merger[ key ];
           });
           return ret;
       }, {} );
   };
   

2. merge(obj1, obj2)

   Object.merge = (obj1, obj2) => {
     var obj3 = JSON.parse(JSON.stringify(obj1)); 
     Object.keys(obj2).map((key) => obj3[key] = obj2[key]); 
     return obj3
   

3. merge(object1, object2)

   Object.merge = function(object1, object2) {
     var target = Object.clone(object1);
     Object.each(object2, function(key, value) {
       target[key] = value;
     });
     return target;
   };
   

4. merge(opts)

   Object.prototype.merge = function(opts) {
     for (var p in opts) {
       if (opts.hasOwnProperty(p)) {
         this[p] = opts[p];
   };