Visual Studio 2013/15 Common Tools issue (node)
Warning: Undefined variable $button in H:\root\home\stelco-001\www\collinscreative\wordpress\wp-content\plugins\facebook-share-new\facebookshare.php on line 631
Warning: Undefined variable $content in H:\root\home\stelco-001\www\collinscreative\wordpress\wp-content\plugins\facebook-share-new\facebookshare.php on line 636
If you come across this issue when trying to build a solution in VS with node installed, I found that the following fixed it: Also, reinstalling latest stable version of node for your system and updating NPM in VS.