We create many `useDebugValue` helpers, loggers and so one now, so we can feel less pain.

What matter (**Updated**)
- previewing complex values brifely like chrome devtools does it for arrays, sets, maps, objects,,,

I [wrote related twit](https://twitter.com/mxtnr/status/1178271362890240001) recently with one of my DebugValue helpers. screenshot out here:
<img width="556" alt="Screenshot 2019-09-29 at 14 01 53" src="https://user-images.githubusercontent.com/6201068/66700775-5648bf80-ecfd-11e9-93fe-089d451bcffa.png">
_my named hooks currently require a `label` option unless react babel cannot transform name of variable automatically_
}}
        />,
        document.createElement('div'),
      ),
    );
    const id = ((store.getElementIDAtIndex(0): any): number);
    let inspectedElement = await read(id);
    expect(inspectedElement).toMatchSnapshot('1: Initially inspect element');
    inspectedElement = await read(id, ['props', 'nestedObject', 'a']);
    expect(inspectedElement).toMatchSnapshot('2: Inspect props.nestedObject.a');
    inspectedElement = await read(id, ['props', 'nestedObject', 'a', 'b', 'c']);
    expect(inspectedElement).toMatchSnapshot(
      '3: Inspect props.nestedObject.a.b.c',
    );
    inspectedElement = await read(id, [
      'props',
      'nestedObject',
      'a',
      'b',
      'c',
      0,
      'd',
    ]);
    expect(inspectedElement).toMatchSnapshot(
      '4: Inspect props.nestedObject.a.b.c.0.d',
    );
    done();
  });
});