Joist is the main framework for PhET Interactive Simulations. Joist creates and displays the simulation content, home screen, navigation bar, About dialog, enables switching between tabs, and other framework-related features.
https://github.com/phetsims/joist/issues/860 would be much easier if there were a superclass for Preferences panel content. Mostly to manage visibility in that issue, but there is also some duplication between all of the *PreferencesPanel.ts files in joist/preferences.
https://github.com/phetsims/joist/issues/860 would be much easier if there were a superclass for Preferences panel content. Mostly to manage visibility in that issue, but there is also some duplication between all of the *PreferencesPanel.ts files in joist/preferences.