35 lines
		
	
	
		
			729 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			729 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
function override(source1, source2) {
 | 
						|
  var target = {};
 | 
						|
  var key1;
 | 
						|
  var key2;
 | 
						|
  var item;
 | 
						|
 | 
						|
  for (key1 in source1) {
 | 
						|
    item = source1[key1];
 | 
						|
 | 
						|
    if (Array.isArray(item)) {
 | 
						|
      target[key1] = item.slice(0);
 | 
						|
    } else if (typeof item == 'object' && item !== null) {
 | 
						|
      target[key1] = override(item, {});
 | 
						|
    } else {
 | 
						|
      target[key1] = item;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  for (key2 in source2) {
 | 
						|
    item = source2[key2];
 | 
						|
 | 
						|
    if (key2 in target && Array.isArray(item)) {
 | 
						|
      target[key2] = item.slice(0);
 | 
						|
    } else if (key2 in target && typeof item == 'object' && item !== null) {
 | 
						|
      target[key2] = override(target[key2], item);
 | 
						|
    } else {
 | 
						|
      target[key2] = item;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return target;
 | 
						|
}
 | 
						|
 | 
						|
module.exports = override;
 |