David EvansandRon Buckton dfe10fbcbe [prop-types] Do not consider null without undefined as optional (#38015) ...

* Do not consider null without undefined as optional

* Fix revealed errors in existing tests

- Non-required types can be undefined or null, so typescript types must reflect this

* Ensure undefined-ness is stored alongside nominalTypeHack

* Fix undefined in nominalTypeHack in a better way

* Add tests for nullable and undefinable types

* Fix formatting mistake

* Update downstream tests

2019-09-03 14:58:49 -07:00

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index.d.ts

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prop-types-tests.ts

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tsconfig.json

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tslint.json

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