SublimeLinter must be installed in order to use this plugin.
Please use Package Control to install the linter plugin.
Before installing this plugin, you must ensure that
alex is installed on your system:
$ npm install --global alex
In order for
alex to be executed by SublimeLinter, you must ensure that its path is available to SublimeLinter. The docs cover troubleshooting PATH configuration.
MIT © Sindre Sorhus