File types issue

I am having a serious nagging issue with intellij idea. JS files are not detected, and stay loading forever. I have to go every time I open the app, and go to file types, and asssign *.js to Javascript, get a warning that it is assigned to type javascript files, do you want to reassign ?" . I click yes, then close all open js files, and reopen them. Only then it would work as expected. Have to do this everytime I switch on the IDE