I was hired about 6 weeks ago to help the company take ownership of a piece of software written by an external team. The whole thing was MEAN stack. I had never done anything extensive in nodeJS, but I am quite comfortable in JavaScript and so there weren't any problems. I even ordered myself a JS DevDuck for my new desk.
Just about 2 weeks after my new DevDuck came in, my boss told me that everything the external team wrote is shit and is going to be thrown out. Instead, we're going to rewrite the whole thing inside the existing middleware in Java. Luckily for me, I am also pretty comfortable with Java, though it has been about 5 years, and I know a bunch has changed. But I'm confident I can do the work.
I guess I need a new cape for my duck. Or maybe I'll just start a duck family.