Use Pandoc lua-filter instead of Pygments plugin

for syntax highlights

plugins/pygments.moon

@@ -1,61 +0,0 @@
-html = require "sitegen.html"
-
-class CustomPygments extends require "sitegen.plugins.pygments"
-  filter: (text, page) =>
-    -- require("moon").p text
-    -- super(text, page)
-    text -- pandoc output
-    super(text, page) -- plugin output
-
-  highlight: (lang, code) =>
-    -- print "HIGHLIGHT CALLED"
-    -- require("moon").p code
-    fname = os.tmpname!
-    with io.open fname, "w"
-      \write code
-      \close!
-
-  -- p = io.popen ("pygmentize -f html -l %s %s")\format lang, fname
-  -- out = p\read"*a"
-  --
-  -- -- get rid of the div and pre inserted by pygments
-  -- assert out\match('^<div class="highlight"><pre>(.-)\n?</pre></div>'),
-  --   "Failed to parse pygmentize result, is pygments installed?"
-
-    cmd = "pygmentize -f html -O style=dracula,wrapcode,classprefix=py- -l %s %s"
-
-    if lang == "moon" or lang == "moonscript"
-      p = io.popen (cmd .. " -x")\format "moonscript.py", fname
-    --   -- p = io.popen (cmd)\format "moonscript", fname
-
-      out = p\read"*a"
-      p\close!
-      -- out
-
-      -- get rid of the div and pre inserted by pygments
-      assert out\match('^<div class="highlight"><pre>(.-)\n?</pre></div>'),
-        "Failed to parse pygmentize result, is pygments installed?"
-    else
-      if lang == nil or lang == "heex"
-        -- if block.classes[1] == nil
-        --   cb = pandoc.CodeBlock(block.text, class: "sourceCode")
-        --   pandoc.Div cb, class: "sourceCode"
-        -- else
-        --   block
-        -- "code(nil or heex): #{code}"
-        code
-      else
-        status, handle_or_error = pcall ->
-          io.popen (cmd)\format lang, fname
-
-        sout = handle_or_error\read"*a"
-        handle_or_error\close!
-
-        if sout\len! == 0
-          -- "code: #{code}"
-          -- raw code
-          code
-        else
-          -- get rid of the div and pre inserted by pygments
-          assert sout\match('^<div class="highlight"><pre>(.-)\n?</pre></div>'),
-            "Failed to parse pygmentize result, is pygments installed?"

site.moon

@@ -17,80 +17,17 @@ Site.config.out_dir = "html/"
 -- Compile lua-filter used by Pandoc to highlight MoonScript syntax
 os.execute "moonc pygments.moon"
 
-try_compile = (text, options=implicitly_return_root: false) ->
-  to_lua text, options
-
--- PygmentsPlugin.highlight = (lang, code) =>
-  -- fname = os.tmpname!
-  -- with io.open fname, "w"
-  --   \write code
-  --   \close!
-  --
-  -- p = io.popen ("pygmentize -f html -l %s %s")\format lang, fname
-  -- out = p\read"*a"
-  --
-  -- -- get rid of the div and pre inserted by pygments
-  -- assert out\match('^<div class="highlight"><pre>(.-)\n?</pre></div>'),
-  --   "Failed to parse pygmentize result, is pygments installed?"
-
-  -- print "HIGHLIGHT CALLED"
-  --
-  -- fname = os.tmpname!
-  -- with io.open fname, "w"
-  --   \write block.text
-  --   \close!
-  --
-  -- cmd = "pygmentize -f html -O style=dracula,wrapcode,classprefix=py- -l %s %s"
-  --
-  -- if lang == "moon" or lang == "moonscript"
-  --   -- p = io.popen ("pygmentize -f html -O style=dracula,wrapcode,classprefix=py- -l moonscript.py %s -x")\format fname
-  --   p = io.popen (cmd .. " -x")\format "moonscript.py", fname
-  --   -- p = io.popen (cmd)\format "moonscript", fname
-  --
-  --   -- p = io.open fname
-  --   out = p\read"*a"
-  --   p\close!
-  --   out
-  --   -- pandoc.RawBlock "html", "moonscript"
-  -- else
-  --   if lang == nil or lang == "heex"
-  --     -- if block.classes[1] == nil
-  --     --   cb = pandoc.CodeBlock(block.text, class: "sourceCode")
-  --     --   pandoc.Div cb, class: "sourceCode"
-  --     -- else
-  --     --   block
-  --
-  --     "code: #{code}"
-  --   else
-  --     status, handle_or_error = pcall ->
-  --       io.popen (cmd)\format lang, fname
-  --     -- io.open fname
-  --
-  --     sout = handle_or_error\read"*a"
-  --   -- handle_or_error\close!
-  --     if sout\len! == 0
-  --       -- cb = pandoc.CodeBlock(block.text, class: "sourceCode")
-  --       -- pandoc.Div cb, class: "sourceCode"
-  --       "code: #{code}"
-  --     else
-  --       -- pandoc.RawBlock "html", sout
-  --       sout
-
 -- Configure the command our custom renderer uses to convert markdown to html
 rend = "renderers.markdown"
--- require(rend).cmd = "pandoc --mathjax --no-highlight >"
+require(rend).cmd = "pandoc --mathjax --lua-filter pygments.lua >"
-require(rend).cmd = "pandoc --mathjax >"
--- require(rend).cmd = "pandoc --mathjax --lua-filter pygments.lua >"
 
 -- Insert custom renderer in the first position so it will be preferred
 table.insert Site.default_renderers, 1, rend
 
--- Remove "pygments" plugin
+-- Remove Pygments plugin
 Site.default_plugins = for v in *Site.default_plugins
   if v\find "pygments" then continue else v
 
-table.insert Site.default_plugins, 1, "plugins.pygments"
-
 -- from https://github.com/leafo/sitegen/blob/v0.2/spec/sitegen_spec.moon#L9-L18
 get_files = (path, prefix=path) ->
   files = Path.read_exec "find", path, "-type", "f"
@@ -195,23 +132,6 @@ sitegen.create =>
     publish_date: format_date date true
   -- add_all files_from "docs"
 
-  -- with PygmentsPlugin.custom_highlighters
-  --   .moon = (code_text, page, options) =>
-  --     lua_text, err = try_compile code_text, options
-  --     return err if not lua_text
-  --
-  --     html.build ->
-  --       tag.span "moon custom highlighter"
-  --
-  --   .heex = (code_text, page, options) =>
-  --     lua_text, err = try_compile code_text, options
-  --     return err if not lua_text
-  --
-  --     html.build ->
-  --       tag.span "heex custom highlighter"
-
-
-
   copy "app.css"
   copy "pygments.css"
   copy "moonscript.css"

templates/root.html

@@ -11,9 +11,8 @@
       type="text/css"
       media="screen"
     />
-    <link rel="stylesheet" href="$root/pandoc.css?$generate_date" />
+    $each{{"pandoc", "pygments", "app"}, "stylesheet"}[[
-    <link rel="stylesheet" href="$root/moonscript.css?$generate_date" />
+    <link rel="stylesheet" href="$root/$stylesheet.css?$generate_date" />]]
-    <link rel="stylesheet" href="$root/app.css?$generate_date" />
   </head>
   <body class="bg-white">
     <header>