The issue is that our type for an array of parameters doesn't specify any of them as optional (except additional unknown params after the ones we're expecting), so e.g. passing an array with less than 2 items will error if the route has 2 parameters, even if some of them are optional.
After #697 I'm hoping this will be possible to fix.
Given this route:
Which generates these types:
These valid
route()
calls, which should not cause any type errors, do:The issue is that our type for an array of parameters doesn't specify any of them as optional (except additional unknown params after the ones we're expecting), so e.g. passing an array with less than 2 items will error if the route has 2 parameters, even if some of them are optional.
After #697 I'm hoping this will be possible to fix.