Are you working with latest MyEclipse 2021? We have removed support for JSJet which also includes AngularJS in MyEclipse 2021. MyEclipse 2021 is now based on the Language Server tech : https://www.genuitec.com/myeclipse-2021-5-24/
The MyEclipse context menu is also removed as part of restructuring.
Hope this helps. Please let us know if you have any further questions.