Ihave recently had the pleasure of updating our app from Rails 4 to Rails 6. Though it initially seemed to be a very smooth transition, I came across some minor problems as testing got underway.
Some of the bugs I was seeing in my browser developer console were:
TypeError: $(…).metisMenu is not a function
Uncaught ReferenceError: $ is not defined
And absolutely nothing online was (a) relevant to my stack and (b) solving my…