Yep, same. Not in JS, but in Haskell, for the Even Fib project Euler problem. Something like a million people have submitted right answers for that problem and assuming half wrote their own filter rather than importing a isEven library then that's half a million people there.

I'd hire a legal team if I were you, the injunction is on the way. /s

Should have used snake case. Would have avoided legal hot water and established precedent.