Klaus Meinhardt 8b6bd41ce7
getPropertiesOfUnionOrIntersectionType: handle types with index signature (#31979)
* getPropertiesOfUnionOrIntersectionType: handle types with index signature

Fixes: #31565

* fix test

* more testing

* fix typo in checker.ts

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
2020-03-13 14:30:53 -07:00
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