Just in case, you cannot make the above work. Here is how I did it:
1) import the file in which you define the circuit, and create a new area in the component that will be mounted when the simulator is updated.
import realm from './path_to_file_where_realm created'
2) console.log (realm.path) in the componentWillMount () life cycle method and enable remote debugging to see the result.
3) open the real world browser and click on the open world file. The Shift G command on mac will let you paste the path from the .log console
click on a region file to open it using the region browser.
Also for those who are not familiar with the realm browser, it can be found here . It simply allows you to view and edit data in your area using a graphical interface.
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