Fix noFallthroughCasesInSwitch/jsx object is not extensible#9921

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ianschmitz merged 2 commits intofacebook:masterfrom

ryota-murakami:fix-4.0.0-typescript-broken

Oct 30, 2020

Commits on Oct 27, 2020

4.0.0 Fix noFallthroughCasesInSwitch/jsx object is not extensible error at TypeScript
ryota-murakami
committed

Commits on Oct 30, 2020

Update packages/react-scripts/scripts/utils/verifyTypeScriptSetup.js

ryota-murakami
and
KonstantinSimeonov
authored