Updated custom lua

assets/custom.lua

@@ -1,14 +1,25 @@
-function RawInline (raw)
-    if raw.format:match 'html' and raw.text == '<?quarto.version?>'then
-      return tostring(quarto.version)
-    end
-    if raw.format:match 'html' and raw.text == '<?lua.date?>'then
-      return tostring(os.date("%d-%m-%Y"))
-    end
-    if raw.format:match 'html' and raw.text == '<?lua.year?>'then
-      return tostring(os.date("%Y"))
-    end
-    if raw.format:match 'html' and raw.text == '<?lua.time?>'then
-      return tostring(os.date("%H:%M:%S"))
-    end
-  end
+-- Import the os and io modules
+os = require('os')
+io = require('io')
+
+-- The filter function
+function Meta(meta)
+  -- Execute 'quarto version' command and get the output
+  local quarto_version = io.popen('quarto --version'):read('*all')
+  if quarto_version then
+    -- Add the version to the document metadata
+    meta['quarto_version'] = quarto_version
+  end
+
+  -- Get the current date and time
+  local current_date = os.date("%d-%m-%Y")
+  local current_year = os.date("%Y")
+  local current_time = os.date("%H:%M:%S")
+
+  -- Add them to the document metadata
+  meta['current_date'] = current_date
+  meta['current_year'] = current_year
+  meta['current_time'] = current_time
+
+  return meta
+end

index.qmd

@@ -50,4 +50,4 @@ Shinylive allows shiny applications to run in the browser wthout the need for a
 
 ---
 
-Updated: <?lua.date?>. Quarto v<?quarto.version?>
+Updated: {{< meta current_date >}}. Quarto v{{< meta quarto_version >}}