Model 'id field leaks into subclasses

1. 
   

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2. 
   
   
   

   
   

   
   

   Model 'id field leaks into subclasses

   
   

   
   

   Model 'id field leaks into subclasses

   
   
   
   

   
   

   In Ext 4 - this produces expected results. The 'bar' class has 1 and only one field. In Ext 5, it has 'id' too which was never added anywhere.
   
   

   
   

   Code:

   
   

   
   Ext.define('foo', {
           extend     : 'Ext.data.Model',
           idProperty : null
       })
   
       Ext.define('bar', {
           extend     : 'foo',
           idProperty : 'field1',
   
           fields : ['field1']
       })
   

   
   

   
   

   
   

   
   

   
   

   
   
   
   

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