Heist is a Haskell template system supporting both HTML5 and XML.
Heist is a Haskell template system supporting both HTML5 and XML. It is commonly used with the Snap Framework, but it can be used standalone as well.
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Questions tagged [heist]
47 questions
1
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1 answer
Snap: rendering table with compiled splices
Well, this is another obstacle with compiled splices that I struggle to overcome.
I had some trouble when I first did it with the original interpreted splices and now I am stuck translating it to compiled variant.
The original problem is described…
r.sendecky
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1 answer
Snap: compiled splice dependent on runtime decision and URL variable
I have a situation where I have to construct compiled splices and feed data into them which depends on the URL variable. I struggle to solve the problem.
So there is simple file name list that needs to be rendered in a table. Simple.
Files belong to…
r.sendecky
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How to show utf8 text with snap and heist?
I have used writeBS writeText from Snap and renderTemplate from heist but none of them seems to support unicode.
site :: Snap ()
site = do
ifTop (writeBS "你好世界") <|>
route [("test", testSnap)]
testSnap :: Snap ()
testSnap = do
fromJust…
Lynton
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1 answer
What is the default AttrSplices for Heist-0.13?
I am working on a project using Heist, and since it recently upgrade to 0.13 version,
I tried it out and find the original HeistConfig changed a lot.
data HeistConfig m = HeistConfig
{ hcInterpretedSplices :: Splices (I.Splice m)
-- ^…
Lynton
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1
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1 answer
Haskell Snap Framework - Dynamic hyperlinks with Heist
I am trying to create dynamic links using the Heist templating system. The problem is that the links are appearing as text rather than being interpreted as html. Is there a specific method to create dyamic lists like this with Heist?
The function…
user1156995
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vote
1 answer
How to use a single per-request computation in multiple splices with Heist?
Say I have a single Heist template with two custom tags
noteed
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1 answer
How do you update code using loadTemplates for the new Heist API?
This code was working with Heist prior to the 0.10.0 change
main = do
Right ts <- loadTemplates "templates" $
bindSplices mySplices defaultHeistState
etc..
Now I get the error
testdb.hs:59:33: Not in scope:…
dan
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cabal install errors-1.3.1 fails
I'm trying to install the newest version of Heist, but errors-1.3.1 which is a dependency fails to install. Any suggestions for how to get past this?
$ cabal install errors-1.3.1
Resolving dependencies...
Configuring errors-1.3.1...
Building…
dan
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Heist digestible form tags are not expanded
I looking for ideas what could go wrong with Snap Heist digestible forms.
I copy pasted templates and handler.
Most of the page is rendered correctly, but digestible form tags are left intact i.e instead form tag there is dfForm, input dfInputText…
Daniil Iaitskov
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Rendering a heist template returns nothing
import Data.String.Conversions
import Data.Maybe (isJust)
import qualified Heist
import qualified Heist.Interpreted as I
import qualified Heist.Compiled as HeistCom
import Heist.Internal.Types
import qualified Text.XmlHtml as X
import Data.List…
Chris Stryczynski
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Does heist support substituting (strings / JSON) into an arbitrary location within a template?
Regarding heist, I've got a template such as:
Example
Is there a way to substitute the ??? string with another string? I think the following function might be the solution…
Chris Stryczynski
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0
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1 answer
HTML doctype rendered with Snap / Heist template
I'm having issues with https://hackage.haskell.org/package/snap-1.0.0.1/docs/Snap-Snaplet-Heist-Interpreted.html#v:render when trying to render a template. The issue only occurs if I have the following as the contents of the template:
Chris Stryczynski
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0
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In Compiled Heist (Haskell), why must splices be created beforehand?
I can understand why HTML templates (.tpl files) must be processed beforehand (with loadTemplates) and put into the HeistConfig. This allow Heist to process the HTML into a more efficient format beforehand.
However, I don't understand why splices…
haskellHQ
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Snap: Database access with compiled splices
I am trying to get my head around compiled splices. With previouse help I can compile and render some usefull results. I don't fully understand the way it works though.
In interpreted mode, the algorithm is simple: construct root, call handler…
r.sendecky
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0
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1 answer
How can I embed a raw html string into a Text.XmlHtml node structure
This is kind of a corner case. I'm running Haskell, Text.XmlHtml (version 0.2.3). I'm getting my source data from Pandoc (version 1.12). My source files are all in Markdown format.
The corner deals with when I have raw Html directly in my…
Savanni D'Gerinel
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