Hamlet is a type-safe framework for generating HTML code from Haskell
Hamlet is a type-safe tool for generating HTML code in Haskell. It is used in the Yesod web framework yesod.
Questions tagged [hamlet]
86 questions
4
votes
1 answer
How to link to a static file in Hamlet?
I looked at a previous question that sounds like it’s the same question, but it seems to skip over a part that I must be missing.
I added the import Settings.StaticFiles line at the top of the handler file.
I copied a file called chunk.png into the…
Timwi
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4
votes
1 answer
How to use $maybe in hamlet
In Yesod, I've got a form that populates the type
data Field = Field Text Text text
deriving Show
When I write the hamlet html to display it, I'm running into the problem that Field is wrapped up in Maybe Maybe Field. So in hamlet I'm trying to…
HHC
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4
votes
2 answers
Using UTCTime with Hamlet
I am using Yesod on my first site and I have a list of news items:
NewsItem
date UTCTime default=CURRENT_TIME
title String
content String
author String
which are retrieved in my handler:
newsitems <- runDB $ selectList []…
Jeffrey Drake
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4
votes
1 answer
Yesod: Is it possible to to iterate a haskell list in Julius?
I have a list of coordinates that I need to put on map. Is it possible in julius to iterate the list ? Right now I am creating an hidden table in hamlet and accessing that table in julius which does not seem to be an ideal solution.
Could some one…
Akshat
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3
votes
1 answer
Always `$newline never` in Yesod
$newline never in Hamlet allows us to minify the HTML code. If we set it in a parent widget, it takes effect on it but not on the child widgets. So we have to set $newline never to all of the widgets when we want to minify the whole code. This isn't…
Marronnier
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- 10
3
votes
0 answers
Hamlet quasiquoter (Haskell): Allowed syntax in if-elseif-else expressions
The Hamlet quasiquoter allows if-then-else syntax like
[hamlet|
$if 3 < 4
Three is less than 4.
$elseif "a" == "b"
'a' equals 'b'.
$else
Nothing worked out.
|]
However, I find that if I replace the test "a" == "b" with…
Kevin S. Van Horn
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3
votes
1 answer
How generate a token widget on Yesod?
I have the next problem with Yesod. I want to make my own form on my HTML because I want my own tags and labels, but the problem is how can I do that if my form is autogenerated with the next code:
entryForm :: Form Post
entryForm = renderDivs $…
tonylattke
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- 7
3
votes
1 answer
How do I access a user's authentication from a hamlet template?
For example, If a nobody is logged in, I want to show them links to where they can sign up or log back in, but if a user is logged in, I want a way to let them access their profile and other information.
jalarast
- 47
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3
votes
1 answer
Yesod's shakespearean templates (hamlet) and IO
In Hamlet, how does one uses the result of an IO operation inside #{...} ?
For instance :
someIO :: IO String
-----------------
$with stuff <- someIO
#{stuff} Fails with No instance for (blaze-markup-0.6.0.0:Text.Blaze.ToMarkup …
gxtaillon
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3
votes
0 answers
Error using Prelude.read in Hamlet Yesod
I get an error when I use the following Haskell code inside Hamlet Yesod:
#{show $ (read "True" :: Bool)}
It seems it doesn't accept ':' characters, but I actually need it.
The error is the following:
Handler/Game.hs:85:11:
Exception when…
kolam
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3
votes
1 answer
Yesod Julius Interpolation of Messages
I've been using Yesod's messages system to help keep my language consistent. For example, I have a message named MsgBrand, which gets interpolated into Hamlet files with no problem. However, I am now using a JavaScript library which needs this…
nomen
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3
votes
1 answer
Is it possible to call hamlet from JavaScript?
I'm trying to implement this nav bar on my Yesod web app. My question how should I call a hamlet file from the javascript?
.....
.....
var Tabs = {
'Tab one' : 'pages/page1.html',
'Tab two' : 'pages/page2.html',
'Tab three' :…
HHC
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3
votes
1 answer
Using Type-safe URLs with setMessage? (shamlet versus hamlet)
How do I use a type-safe url with setMessage?
I want to change
...
setMessage [shamlet|Warning! See Help.|]
...
to a message that contains a link.
From what I could gather thus far, it ought to work somehow like this
...
…
Steffen
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3
votes
1 answer
yesod persistent: get Entity value within hamlet
let's say my config/models file looks like this:
Pet
name Text
owner OwnerId
Owner
name Text
I can get the pet's name like this:
$forall Entity key pet <- pets
#{petName pet}
but how would I get an owner's name from a pet…
user316146
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3
votes
1 answer
Use Shakespeare-text and external file
How can I convert the below example to use an external file instead of the embedded lazy text quasi quotes?
{-# LANGUAGE QuasiQuotes, OverloadedStrings #-}
import Text.Shakespeare.Text
import qualified Data.Text.Lazy.IO as TLIO
import Data.Text…
Adam Gordon Bell
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