phpstorm scss file watcher 10+ times faster

First we should install node-sass.

npm install -g node-sass

Later that you can find on this Adress. My user name is admin, it may be different to your name of computer

C:\Users\Admin\AppData\Roaming\npm\node-sass.cmd

Arguments looks to be like:

$FileName$ --output-style compressed $FileDir$/$FileNameWithoutExtension$.css

Output path to refresh looks to be like:

I prefer compressed csses

$FileName$ --output-style compressed $FileDir$/$FileNameWithoutExtension$.min.css

Working directory looks to be like:

$FileDir$