frontmatter alternatives and similar packages
Based on the "Data" category.
Alternatively, view frontmatter alternatives based on common mentions on social networks and blogs.
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streaming
An optimized general monad transformer for streaming applications, with a simple prelude of functions -
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text-icu
This package provides the Haskell Data.Text.ICU library, for performing complex manipulation of Unicode text. -
WorkOS - The modern identity platform for B2B SaaS
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README
haskell-frontmatter
Attoparsec parsers for YAML frontmatter as used in Jekyll. Because of how
Data.Yaml is implemented using Data.Aeson, the
Data.Yaml.Frontmatter.frontmatterYaml instance of Parser works with YAML and
JSON.
Installation
$ stack install frontmatter
Usage
import Data.Frontmatter
import Data.Yaml (Value)
main = ByteString.readFile "something.md" >>= parseYamlFrontmatter >>= \case
Done ri fm -> do
print (fm :: Value) -- aeson object in the frontmatter (the explicit
-- type required because the parser will return
-- anything with a FromJSON
putStrLn ri -- rest of the document
_ -> error "Parse failure"
See the haddocks for more information. Essentially exports an Attoparsec
parser and some helpers. Usage examples also available at the test directory.
Why?
I'm working on the Haskell workshop tool
workhs. In my mind, using markdown file
names as metadata is a very sensible decision. However, I'd like for tutorial
writers to be able to override metadata. Then, Jekyll's YAML frontmatter format
is a great choice:
- It's familiar
- It's very, very easy to implement
License
This software is published under the MIT license. For more information refer to the LICENSE file.
*Note that all licence references and agreements mentioned in the frontmatter README section above
are relevant to that project's source code only.