Uncertain how to obtain query parameters

[tommaisey]

I'm probably just making a mistake, but I can't figure out how to match query parameters in a route. The documentation says it's possible, but nothing I've tried works. Mostly I've tried stuff along these lines:

fm.setRoute("/submit%?action=:a", function(r)
    print(r.params.a)
end)

-- When I visit /submit?action=1, this does not match. If I make
-- it optional, i.e. "/submit%?action=(:a)", then it prints false.

Am I missing something? If I am, perhaps I can help improve the documentation once I understand it for the next poor fool like me.

[pkulchenko]

You can simply access r.params.action without adding it to the route itself. This should work:

fm.setRoute("/submit", function(r)
    print(r.params.a)
end)

Please re-open if it doesn't work for you for some reason.

[tommaisey]

@pkulchenko No, I'm afraid r.params is an empty table in that case.

I have found that redbean's GetParams() does what I need, though it's a bit outside of the fullmoon idiom.

[tommaisey]

Ah, I see. So r.params has a metatable, and the parameters are 'materialized' as you ask for them. I was printing it with serpent, looking for the values.

I got it now, thanks!

[pkulchenko]

Ah, I see. So r.params has a metatable, and the parameters are 'materialized' as you ask for them.

Correct. I also have on my todo list to add __pairs/__ipairs metamethods to allow all parameters (and headers) to be enumerated.

[tommaisey]

Thanks for making this framework, it's very powerful and fun to use!

[pkulchenko]

That's great to hear; thank you for the feedback!