npm install -g contextify
npm ERR! node v5.1.1 npm ERR! npm v3.3.12 npm ERR! code ELIFECYCLE npm ERR! firstname.lastname@example.org install: `node-gyp rebuild` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the email@example.com install script 'node-gyp rebuild'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the contextify package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! node-gyp rebuild npm ERR! You can get their info via: npm ERR! npm owner ls contextify npm ERR! There is likely additional logging output above.
Vs2012 and python2.7 are already installed.
This plug-in has not been installed. You can try to update node and npm. Perhaps the current version of this plug-in requires the version of node and npm. Your native node and npm may not be up to the required version.