Andrew Clark 66eb293742 Restrict effect return type to a function or nothing (#14119) ...

* Restrict effect return type to a function or nothing

We already warn in dev if the wrong type is returned. This updates the
Flow type.

* Restrict return type further

* Assume Effect hook returns either a function or undefined

* Tweak warning message

2019-01-31 10:11:47 -08:00

..

__tests__

Enable hooks! (#14679)

2019-01-23 13:28:09 -08:00

ReactDebugHooks.js

Restrict effect return type to a function or nothing (#14119)

2019-01-31 10:11:47 -08:00

ReactDebugTools.js

Add Debug Tools Package for Introspection of Hooks (#14085)

2018-11-05 10:02:59 -08:00