I'm a project manager of a market place and I'm trying to find solution for my concerns. For two years a ago we decided to develop market place. In front layer we decide to use angularjs and our team professional implement front layer using Angularjs. We add dependency injection for first time to angularjs 1.3 and solve google analytic crawling in SPA website. But when google announce On July 1, 2018 AngularJS entered a 3 year Long Term Support period. As a project manager I have a big concern because We living in 2019 and after two years whats happen for our website ?
But my biggest question is how optimistic how long can we use Angularjs? how much migration is necessary for this framework and Is it possible that the sites written with Angularjs are not able to work after 2021?