## What?
While looking at the CPU profile of booting up Vercel's site I noticed
that we call `getPageStaticInfo` a lot. Looking into this more it turns
out `getPageStaticInfo` is currently called for all routes, `pages` and
`app`, even though the data is only being used to keep track of which
routes are edge functions, however, this is already tracked as part of
the build output so this didn't make sense to me. First I tried
commenting out this entire block and all tests were passing, so I
removed it except for middleware as middleware can provide a `matcher`
which does need to be known before compiling the file as of right now.
After that change a different set of tests started failing, specifically
the one that checks if we warn correctly. Interestingly by fixing
`getPageStaticInfo` being called early and for all routes it also caused
these warnings to no longer trigger as there was a case in the manifest
plugin that called `getPageStaticInfo` with less information. Calling
`getPageStaticInfo` there was not needed either as we call
`getPageStaticInfo` at the beginning of the build for each entrypoint so
we already have the information required, it just had to be passed down
so that the manifest plugin could use it.
For Vercel's site this change improves booting the dev server by over 1
second.
Related to #48748
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Co-authored-by: Jiachi Liu <inbox@huozhi.im>
dd937bde09