Jesse Katsumata a903d1b86a BackHandler: specify function return type for handler (#28192) ...

Summary:
Following the comment https://github.com/DefinitelyTyped/DefinitelyTyped/pull/42618#discussion_r384584159

Modify the flowtype of BackHandler function to have more specific return type.

## Changelog

[General] [Changed] - Changed type of BackHandler to be more specific.
Pull Request resolved: https://github.com/facebook/react-native/pull/28192

Test Plan: No flow error in RNTester

Reviewed By: TheSavior

Differential Revision: D20771113

Pulled By: hramos

fbshipit-source-id: 5ca65e2a2b3f8726b8fb4606473d8fad5b0ce730

2020-04-23 14:13:06 -07:00

..

BackHandler.js

BackHandler: specify function return type for handler (#28192)

2020-04-23 14:13:06 -07:00

GlobalPerformanceLogger.js

Migrate "Libraries" from Haste to standard path-based requires (sans vendor & renderers) (#24749)

2019-05-08 08:48:59 -07:00

PixelRatio.js

Back out "Upgrade Prettier from 1.17 to 2.0.2."

2020-03-24 21:47:35 -07:00