Add concept of StrictMode levels 1 & 2 (no public API yet)#20844

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bvaughn:strict-mode-level-1-and-2

Commits on Feb 24, 2021

The exported '<React.StrictMode>' tag remains the same and opts legacy subtrees into strict mode level one ('mode == StrictModeL1'). This mode enables DEV-only double rendering, double component li…
Brian Vaughn
committed
Renamed strict mode constants
Brian Vaughn
committed