Description

Suspected source origin of issue in react-vr: facebookarchive/react-360#203

When invoking react-init on Windows when yarn isn't present on the system, the error message from the check is output.

Reproduction Steps and Sample Code

List all the steps required to reproduce the issue you're reporting. These steps should be clear and concise.

Example:

> react-native init foo
This will walk you through creating a new React Native project in C:\git\react-native-1\react-native-cli\foo
'yarn' is not recognized as an internal or external command,
operable program or batch file.
Installing react-native...
Consider installing yarn to make this faster: https://yarnpkg.com

Expected behavior is that this output should be muted.

Solution

Similar to facebookarchive/react-360#204, the output can simply be piped to 2> NUL, eg yarn --version 2> NUL.

Additional Information

• React Native version: cli version 2.0.1
• Platform: CLI on Windows
• Development Operating System: Windows
• Dev tools: Confirmed in PowerShell & CMD