Custom Lua filter against # nolint (and others) (#216)

As suggested in
quarto-dev/quarto-cli#8760
The current solution creates a red errors in the render process

---------

Signed-off-by: Pawel Rucki <[email protected]>

book/_extensions/insightsengineering/pattern-strip/_extension.yml

@@ -0,0 +1,8 @@
+title: Pattern-strip
+author: Pawel Rucki
+version: 1.0.0
+quarto-required: ">=1.4.0"
+contributes:
+  filters:
+    - pattern-strip.lua
+

book/_extensions/insightsengineering/pattern-strip/pattern-strip.lua

@@ -0,0 +1,32 @@
+local patterns = {}
+
+return {
+  {
+    Meta = function(meta)
+      if meta['pattern-strip-patterns'] ~= nil then
+        for _, pattern in ipairs(meta['pattern-strip-patterns']) do
+          table.insert(patterns, pandoc.utils.stringify(pattern))
+        end
+      end
+    end
+  },
+  {
+    CodeBlock = function (el)
+      quarto.log.debug(el)
+      if not el.classes:includes("cell-code") then
+        return el
+      end
+
+      local lines = pandoc.List()
+      local code = el.text .. "\n"
+      for line in code:gmatch("([^\n]*)\n") do
+        for _, pattern in ipairs(patterns) do
+          line = line:gsub(pattern, "")
+        end
+        lines:insert(line)
+      end
+      el.text = table.concat(lines, "\n")
+      return el
+    end
+  }
+}

book/_quarto.yml

@@ -38,10 +38,13 @@ execute:
   freeze: auto
   cache: true
   code-line-numbers: true
+  echo: true
 
-knitr:
-  opts_chunk:
-    echo: true
+filters:
+  - insightsengineering/pattern-strip
+pattern-strip-patterns:
+  - "#%s?nolint.*"
+  - "#%s?styler:.*"
 
 editor: visual
 highlight-style: github