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|
(.module:
[library
[lux {"-" [and]}
[data
["." text
["%" format {"+" [format]}]]
[collection
["." list ("#\." functor)]]]
[type
abstract]
[world
[net {"+" [URL]}]]]])
... https://www.markdownguide.org/basic-syntax/
(def: safe
(-> Text Text)
(|>> (text.replaced "\" "\\")
(text.replaced "`" "\`")
(text.replaced "*" "\*")
(text.replaced "_" "\_")
(text.replaced "{" "\{")
(text.replaced "}" "\}")
(text.replaced "[" "\[")
(text.replaced "]" "\]")
(text.replaced "(" "\(")
(text.replaced ")" "\)")
(text.replaced "#" "\#")
(text.replaced "+" "\+")
(text.replaced "-" "\-")
(text.replaced "." "\.")
(text.replaced "!" "\!")))
(abstract: .public Span {} Any)
(abstract: .public Block {} Any)
(abstract: .public (Markdown brand)
{}
Text
(def: .public empty
Markdown
(:abstraction ""))
(def: .public text
(-> Text (Markdown Span))
(|>> ..safe :abstraction))
(def: blank_line
(format text.new_line text.new_line))
(template [<name> <prefix>]
[(def: .public (<name> content)
(-> Text (Markdown Block))
(:abstraction (format <prefix> " " (..safe content) ..blank_line)))]
[heading/1 "#"]
[heading/2 "##"]
[heading/3 "###"]
[heading/4 "####"]
[heading/5 "#####"]
[heading/6 "######"]
)
(def: (block content)
(-> Text (Markdown Block))
(:abstraction (format content ..blank_line)))
(def: .public paragraph
(-> (Markdown Span) (Markdown Block))
(|>> :representation ..block))
(def: .public break
(Markdown Span)
(:abstraction (format " " text.new_line)))
(template [<name> <wrapper>]
[(def: .public <name>
(-> (Markdown Span) (Markdown Span))
(|>> :representation
(text.enclosed [<wrapper> <wrapper>])
:abstraction))]
[bold "**"]
[italic "_"]
)
(def: (prefix with)
(-> Text (-> Text Text))
(|>> (text.all_split_by text.new_line)
(list\each (function (_ line)
(if (text.empty? line)
line
(format with line))))
(text.interposed text.new_line)))
(def: indent
(-> Text Text)
(..prefix text.tab))
(def: .public quote
(-> (Markdown Block) (Markdown Block))
(|>> :representation
(..prefix "> ")
:abstraction))
(def: .public numbered_list
(-> (List [(Markdown Span) (Maybe (Markdown Block))])
(Markdown Block))
(|>> list.enumeration
(list\each (function (_ [idx [summary detail]])
(format "1. " (:representation summary)
(case detail
(#.Some detail)
(|> detail
:representation
..indent
(text.enclosed [text.new_line text.new_line])
(format text.new_line))
#.None
""))))
(text.interposed text.new_line)
..block))
(def: .public bullet_list
(-> (List [(Markdown Span) (Maybe (Markdown Block))])
(Markdown Block))
(|>> (list\each (function (_ [summary detail])
(format "* " (:representation summary)
(case detail
(#.Some detail)
(|> detail
:representation
..indent
(text.enclosed [text.new_line text.new_line])
(format text.new_line))
#.None
""))))
(text.interposed text.new_line)
..block))
(def: .public snippet
{#.doc "A snippet of code."}
(-> Text (Markdown Span))
(|>> (text.enclosed ["`` " " ``"]) :abstraction))
(def: .public generic_code
{#.doc "A (generic) block of code."}
(-> Text (Markdown Block))
(let [open (format "```" text.new_line)
close (format text.new_line "```")]
(|>> (text.enclosed [open close]) ..block)))
(def: .public (code language block)
{#.doc "A block of code of a specific language."}
(-> Text Text (Markdown Block))
(let [open (format "```" language text.new_line)
close (format text.new_line "```")]
(|> block
(text.enclosed [open close])
..block)))
(def: .public (image description url)
(-> Text URL (Markdown Span))
(:abstraction (format "![" (..safe description) "](" url ")")))
(def: .public horizontal_rule
(Markdown Block)
(..block "___"))
(def: .public (link description url)
(-> (Markdown Span) URL (Markdown Span))
(:abstraction (format "[" (:representation description) "](" url ")")))
(type: .public Email
Text)
(template [<name> <type>]
[(def: .public <name>
(-> <type> (Markdown Span))
(|>> (text.enclosed ["<" ">"]) :abstraction))]
[url URL]
[email Email]
)
(template [<name> <brand> <infix>]
[(def: .public (<name> pre post)
(-> (Markdown <brand>) (Markdown <brand>) (Markdown <brand>))
(:abstraction (format (:representation pre) <infix> (:representation post))))]
[and Span " "]
[then Block ""]
)
(def: .public markdown
(All (_ a) (-> (Markdown a) Text))
(|>> :representation))
)
|
