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react-native/ReactCommon/react/renderer
Valentin Shergin 97a4598bab Fabric: Strengthening StubView mutating validation
Summary:
This diff adds more enforcement for consistency of `ShadowNodeMutation`s, including:
* `Props` object for newly created or updated view must not be nullptr;
* `oldShadowView` must describe the previous state of the view for `Update` instruction;
* `ignoreDuplicateCreates` option was removed.

I suspect some of the crashes we see in Fabric are caused by a violation of one of these constraints. If one of these fails in debug builds, we will get an early signal.

Changelog: [Internal]

Reviewed By: JoshuaGross

Differential Revision: D24880821

fbshipit-source-id: 8c8a3d8e205ce34f6e0335e8a2b0cf676930c284
2020-11-11 10:56:27 -08:00
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