Adam Perry 403f356082 Stop yarn error message appearing for Windows users of local-cli
Summary:
On windows, recent versions of local-cli will display a yarn error to stderr when starting the packager (see https://github.com/expo/xde/issues/91, https://github.com/react-community/create-react-native-app/issues/101, https://github.com/react-community/create-react-native-app/issues/113#issuecomment-289185491 for examples of users hitting this in the wild), even though no package management action is being taken.

From what I can tell this is what happens:

* [`local-cli/util/yarn.js` does not ignore stderr on Windows](6fa87134fc/local-cli/util/yarn.js (L25))
* [`local-cli/util/PackageManager.js` calls the above function when it's require'd](6fa87134fc/local-cli/util/PackageManager.js (L20))

For Windows users who don't have yarn installed, this means that the 'yarn is not recognized as an internal or external command..." error displays wh
Closes https://github.com/facebook/react-native/pull/13355

Differential Revision: D4848084

Pulled By: hramos

fbshipit-source-id: f32176354e0bd7ff6d7009ea30dca64ff23ae3d5
2017-04-07 11:17:00 -07:00
..
2016-06-03 02:43:57 -07:00