Reflex is a Haskell library, providing high-performance, deterministic, higher-order Functional Reactive Programming system
Reflex is a Haskell library, providing high-performance, deterministic, higher-order Functional Reactive Programming system
Questions tagged [reflex]
74 questions
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Obelisk OAuth router type mismatch
I am using Obelisk OAuth to handle multiple OAuth options (Facebook, Google, & Apple, though only FB is shown below).
I have getOAuthDetails which gets the correct details for each provider.
I use it in backend (at the bottom), but it gives me this…
LevelChart8
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1 answer
Cannot find "route" and "Https" in Obelisk OAuth project
I am working on implementing Obelisk OAuth and running into 2 problems.
When trying to implement this: https://github.com/obsidiansystems/obelisk-oauth/blob/master/example/backend/src/Backend.hs
I am getting:
backend/src/Backend.hs:15:1: error:
…
LevelChart8
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1 answer
Installing Obelisk-OAuth
I am trying to add Obelisk-OAuth to my project: https://github.com/obsidiansystems/obelisk-oauth
At this instruction I am stuck:
Your backend route encoder should handle this case:
...
pathComponentEncoder $ \case
BackendRoute_OAuth ->…
LevelChart8
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1 answer
RoutedT interpreted as T.Text when using Obelisk routes
I am trying to build a basic web app with Obelisk and have been following this tutorial: https://github.com/obsidiansystems/obelisk/pull/733/files#diff-fe2dadb00af0583d3841e501760804eaR457
I do not understand why I would get this type error when my…
LevelChart8
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1 answer
Can't install packages to nix-build project
After running nix-build -o frontend-result -A ghcjs.frontend for obelist project it errors for several imports one of which is:
src/Frontend.hs:10:1: error:
Could not find module ‘Control.Monad.Trans’
Perhaps you meant
…
janat08
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1 answer
Haskell Reflex-Dom JSaddle error when stack building
Wanted to give Reflex-Dom a try but get an error from the jsaddle package when stack-building. Would love some tips on how to resolve this.…
Madderote
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Broken dependency in haskell stack?
I am relatively new to haskell, stack, ghc, etc.
Have been trying a few projects with ghcjs and haven't been able to build any of them, including reflex-dom-stack-demo. I am getting the following error:
In the dependencies for semigroupoids-5.0.0.4:…
RecencyEffect
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Reflex: Delaying events based on a behavior
Using reflex-frp and reflex-dom I need to delay events based on a behavior.
I have:
delayEvent :: (MonadWidget t m, Reflex t)
=> Event t () -> Behavior t NominalDiffTime -> m (Event t ())
delayEvent e b = switch . current <$> widgetHold…
trevor cook
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Reflex: Sending multiple http requests for a dynamic list of entries on event
Working with reflex-frp I have a list of entries which contain a text input. I also have a button that on click should trigger n http requests where n is the number of entries, and each request should contain the corresponding text. Therefore I…
Jesuspc
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1 answer
How do I build stack configuration that allows me to build project with reflex-frp as dependency?
As in question. I can't get working stack configuration. I want to build project that uses reflex with ghc, preferably 8.0.2 or higher.
How do I do it, cause specifying it as an extra deps doesn't seem to work either..
Michał Adamczyk
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1 answer
Conditionally adding DOM elements with Reflex
I have a function that receives a Dynamic and has to display a dom element which will contain a different kind of child depending on the value in the Dynamic. Is there a way to do such thing using Reflex and Reflex-Dom? The code would look like this…
Jesuspc
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1 answer
Dynamic parent element
I have this piece of code and it works perfectly fine. It toggles some styles on the text input field depending on the field value.
numberInput :: (MonadWidget t m) => m (Dynamic t (Maybe Double))
numberInput = divClass "form-group" $ do
let…
Schoon
- 394
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1 answer
Best way to bring the contents of a textfile into a reflex project
I have a 70 line text file, whose contents I want to have as the initial value of a text area within my project. What is the best way to do this? Normally I would use readFile but I can't seem to use it in this context.
user181407
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Haddock breaks down on #if #else #endif clauses
I am trying to generate documentations for a github library using haddock. Here's the code I entered:
$ find -name '*.hs' | xargs haddock --html -o docs
src/Reflex/Dom/Xhr.hs:154:0:
error: missing binary operator before token "("
#if…
john mangual
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material UI + reflex-frp => dropdown/select not working
I have tried to integrate Material UI with reflex frp - while normal (css only elements) look nice and slick - it seems that dropdowns/select-form elements need some jQuery to initialize - which does not work:
I have tried to reorder the