Describe what you were doing when the bug occurred:
1. Open https://codesandbox.io/s/angry-mestorf-cbvdv
2. Open DevTools, and try to inspect the <App> component

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DevTools version: 4.3.0-3e0967783

Call stack: at ha (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:268899)
    at ii (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:59363)
    at Sl (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:107431)
    at Ic (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:99973)
    at Tc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:99898)
    at vc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:96672)
    at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46436
    at n.unstable_runWithPriority (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:3676)
    at $o (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46146)
    at na (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46382)

Component stack: in ha
    in div
    in Ka
    in div
    in bi
    in div
    in Ai
    in Suspense
    in ei
    in div
    in div
    in la
    in Ur
    in vo
    in Unknown
    in n
    in Unknown
    in div
    in div
    in Qi
    in Ve
    in nn
    in Da
    in Yc
expect(new Date(date[meta.preview_short]).toISOString()).toBe(
      exampleDateISO,
    );
    expect(fn[meta.inspectable]).toBe(false);
    expect(fn[meta.name]).toBe('exampleFunction');
    expect(fn[meta.type]).toBe('function');
    expect(fn[meta.preview_long]).toBe('exampleFunction');
    expect(fn[meta.preview_short]).toBe('exampleFunction');
    expect(html_element[meta.inspectable]).toBe(false);
    expect(html_element[meta.name]).toBe('DIV');
    expect(html_element[meta.type]).toBe('html_element');
    expect(html_element[meta.preview_long]).toBe('<div />');
    expect(html_element[meta.preview_short]).toBe('<div />');
    expect(immutable[meta.inspectable]).toBeUndefined(); 
    expect(immutable[meta.name]).toBe('Map');
    expect(immutable[meta.type]).toBe('iterator');
    expect(immutable[meta.preview_long]).toBe(
      'Map(3) {"a" => List(3), "b" => 123, "c" => Map(2)}',
    );
    expect(immutable[meta.preview_short]).toBe('Map(3)');
    expect(map[meta.inspectable]).toBeUndefined(); 
    expect(map[meta.name]).toBe('Map');
    expect(map[meta.type]).toBe('iterator');
    expect(map[0][meta.type]).toBe('array');
    expect(map[meta.preview_long]).toBe(
      'Map(2) {"name" => "Brian", "food" => "sushi"}',
    );
    expect(map[meta.preview_short]).toBe('Map(2)');
    expect(map_of_maps[meta.inspectable]).toBeUndefined(); 
    expect(map_of_maps[meta.name]).toBe('Map');