[hakyll] ANN: Hakyll-4.7.0.0

[Jasper Van der Jeugt]

Hey all,

I have just released Hakyll-4.7.0.0, which includes the first breaking
change in a while.

Pandoc has been updated from 1.13 to 1.14. New in 1.14 is proper error
handling. Because of this, some functions in the Pandoc API can now
return an error, whereas they just returned a result before.

In Hakyll, that means that a bunch of the functions in
Hakyll.Web.Pandoc now return a result in the `Compiler` monad, so we
can nicely deal with these errors. Upgrading should therefore be
straightforward, but of course, let me know if you run into any
trouble.

Peace,
Jasper

[Yun]

I am sorry to ask a silly question, since I know too few about Haskell.

I wrote everything in markdown. So to generate the blog list, once i use

getResourceBody

Post by Jasper Van der Jeugt

= applyAsTemplate archiveCtx
= return . renderPandocWith defaultHakyllReaderOptions

myWriterOptions

Post by Jasper Van der Jeugt

= loadAndApplyTemplate "templates/default.html"

archiveCtx

Post by Jasper Van der Jeugt

= relativizeUrls

but now this doesn't work with 4.7.0.0

I know the way to fix this should be so easy that I should try to find it
myself. But I really don't know how to deal with the error message.
I will appreciate someone could help me. Thank you in advance!

Best regards,
Yun

Post by Jasper Van der Jeugt
Hey all,
I have just released Hakyll-4.7.0.0, which includes the first breaking
change in a while.
Pandoc has been updated from 1.13 to 1.14. New in 1.14 is proper error
handling. Because of this, some functions in the Pandoc API can now
return an error, whereas they just returned a result before.
In Hakyll, that means that a bunch of the functions in
Hakyll.Web.Pandoc now return a result in the `Compiler` monad, so we
can nicely deal with these errors. Upgrading should therefore be
straightforward, but of course, let me know if you run into any
trouble.
Peace,
Jasper

[Jasper Van der Jeugt]

Hey,

The type of `renderPandocWith` changed. It used to be:

renderPandocWith
:: Text.Pandoc.Options.ReaderOptions
-> Text.Pandoc.Options.WriterOptions
-> Item String
-> Item String

And it is now:

renderPandocWith
:: Text.Pandoc.Options.ReaderOptions
-> Text.Pandoc.Options.WriterOptions
-> Item String
-> Compiler (Item String)

So now the return value of `renderPandocWith` is already in the
`Compiler` Monad. This means you don't need the extra return:

getResourceBody

Post by Yun

= applyAsTemplate archiveCtx
= renderPandocWith defaultHakyllReaderOptions myWriterOptions
= loadAndApplyTemplate "templates/default.html" archiveCtx
= relativizeUrls

Hope this helps,
Peace,
Jasper

Post by Yun
I am sorry to ask a silly question, since I know too few about Haskell.
I wrote everything in markdown. So to generate the blog list, once i use
getResourceBody

= applyAsTemplate archiveCtx
= return . renderPandocWith defaultHakyllReaderOptions

myWriterOptions

= loadAndApplyTemplate "templates/default.html"

archiveCtx

= relativizeUrls

but now this doesn't work with 4.7.0.0
I know the way to fix this should be so easy that I should try to find it
myself. But I really don't know how to deal with the error message.
I will appreciate someone could help me. Thank you in advance!
Best regards,
Yun

Hey all,
I have just released Hakyll-4.7.0.0, which includes the first breaking
change in a while.
Pandoc has been updated from 1.13 to 1.14. New in 1.14 is proper error
handling. Because of this, some functions in the Pandoc API can now
return an error, whereas they just returned a result before.
In Hakyll, that means that a bunch of the functions in
Hakyll.Web.Pandoc now return a result in the `Compiler` monad, so we
can nicely deal with these errors. Upgrading should therefore be
straightforward, but of course, let me know if you run into any
trouble.
Peace,
Jasper

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[Yun]

Thank you very much! The new one seems to be more friendly!

Hey,
renderPandocWith
:: Text.Pandoc.Options.ReaderOptions
-> Text.Pandoc.Options.WriterOptions
-> Item String
-> Item String
renderPandocWith
:: Text.Pandoc.Options.ReaderOptions
-> Text.Pandoc.Options.WriterOptions
-> Item String
-> Compiler (Item String)
So now the return value of `renderPandocWith` is already in the
getResourceBody

Post by Yun

= applyAsTemplate archiveCtx
= renderPandocWith defaultHakyllReaderOptions myWriterOptions
= loadAndApplyTemplate "templates/default.html" archiveCtx
= relativizeUrls

Hope this helps,
Peace,
Jasper

Post by Yun
I am sorry to ask a silly question, since I know too few about Haskell.
I wrote everything in markdown. So to generate the blog list, once i use
getResourceBody

= applyAsTemplate archiveCtx
= return . renderPandocWith defaultHakyllReaderOptions

myWriterOptions

= loadAndApplyTemplate "templates/default.html"

archiveCtx

= relativizeUrls

but now this doesn't work with 4.7.0.0
I know the way to fix this should be so easy that I should try to find

it

Post by Yun
myself. But I really don't know how to deal with the error message.
I will appreciate someone could help me. Thank you in advance!
Best regards,
Yun

Hey all,
I have just released Hakyll-4.7.0.0, which includes the first breaking
change in a while.
Pandoc has been updated from 1.13 to 1.14. New in 1.14 is proper error
handling. Because of this, some functions in the Pandoc API can now
return an error, whereas they just returned a result before.
In Hakyll, that means that a bunch of the functions in
Hakyll.Web.Pandoc now return a result in the `Compiler` monad, so we
can nicely deal with these errors. Upgrading should therefore be
straightforward, but of course, let me know if you run into any
trouble.
Peace,
Jasper

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