Folders missing in project pane in Webstorm
It can be caused by the corrupted .idea/modules.xml project file. You can either try to fix it manually (restore from Local History, version control or backup) or create the new project from scratch.
Check this issue for the hints/workarounds.
It happens sometimes in WebStorm 9. The easiest way to fix it for me:
- close WebStorm;
- in project's folder remove .idea/ (hidden directory);
- open your project, enjoy:)