miti.sh/renderers/markdown.moon

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Path = require "sitegen.path"
needs_shell_escape = (str) -> not not str\match "[^%w_-]"
shell_escape = (str) -> str\gsub "'", "''"
_prepare_command = (cmd, ...) ->
args = for x in *{...}
if needs_shell_escape x then "'#{shell_escape x}'" else x
args = table.concat args, " "
"#{cmd} #{args}"
write_exec = (cmd, content) ->
fname = os.tmpname!
f = assert io.popen _prepare_command(cmd, fname), "w"
with f\write content
f\close!
fname
-- config command like this in site.moon:
-- require("renderers.markdown").cmd = "pandoc --mathjax >"
class PandocRenderer extends require "sitegen.renderers.markdown"
unescape_cosmo = @unescape_cosmo
escape_cosmo = @escape_cosmo
cmd: "pandoc --mathjax --lua-filter pygments.lua >"
pandoc: (content) => Path.read_file write_exec @@cmd, content
render: (page, md_source) =>
md_source = page\pipe "renderer.markdown.pre_render", md_source
md_source, escapes = escape_cosmo md_source
html_source = assert @pandoc md_source
html_source = unescape_cosmo html_source, escapes
super page, html_source