Write Pandoc lua-filter in MoonScript and compile to Lua on build

pygments.lua

@@ -1,12 +1,15 @@
-function CodeBlock(block)
-  if block.classes[1] == "moon" or block.classes[1] == "moonscript" then
-    local fname = os.tmpname()
-    local handle = io.open(fname, "w")
-    handle:write(block.text)
-    handle:close()
-
-    local p = io.popen(string.format("pygmentize -f html -l moonscript.py %s -x", fname))
-    local out = p:read("*a")
-    return pandoc.RawBlock("html", out)
+return {
+  CodeBlock = function(block)
+    if block.classes[1] == "moon" or block.classes[1] == "moonscript" then
+      local fname = os.tmpname()
+      do
+        local _with_0 = io.open(fname, "w")
+        _with_0:write(block.text)
+        _with_0:close()
+      end
+      local p = io.popen(("pygmentize -f html -l moonscript.py %s -x"):format(fname))
+      local out = p:read("*a")
+      return pandoc.RawBlock("html", out)
+    end
   end
-end
+}