'Hamlet route for OptionalSubsite

I am using an OptionalSubsite as shown here: https://gist.github.com/snoyberg/8d85d41c5b4d0da002ae

How can I create a hamlet link/route to a file that is served in this subsite?

$if servingOptionalSite
    <a href="@{StaticR (routeToOptionalFile)}">Docs

I can not rely on template haskell functions such as staticFiles to generate routes for the contents of the served folder because it is not always existent, hence OptionalSubsite.

haskellyesodhamlet


Solution 1:[1]

I solved it with

optionalRouteR = OptionalRoute $ StaticRoute ["index.html"] []

which can then be used in hamlet

<a href="@{StaticR optionalRouteR}">Docs

Sources

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Source: Stack Overflow

Solution Source
Solution 1 m1-s

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