Add purgecss to css processing workflow

config.toml

@@ -4,6 +4,9 @@ title = "MillironX"
 paginate = 5
 theme = "ananke"
 
+[build]
+    writeStats = true
+
 [Params]
     cardImage = "saddles"
     motto     = ""

layouts/_default/baseof.html

@@ -10,7 +10,7 @@
     {{ $twbscss := resources.Get "node/node_modules/bootstrap/scss/bootstrap.scss" | resources.ToCSS }}
     {{ $mycss := resources.Get "styles/main.css" }}
     {{ $allcss := slice $twbscss $mycss | resources.Concat "css/bundle.css" }}
-    {{ $allcsspure := $allcss | resources.PostCSS | minify | fingerprint | resources.PostProcess }}
+    {{ $allcsspure := $allcss | resources.PostCSS (dict "nomap" true) | minify | fingerprint | resources.PostProcess }}
     <link href="{{ $allcsspure.Permalink }}" rel="stylesheet">
 </head>
 

postcss.config.js

@@ -0,0 +1,13 @@
+const purgecss = require('@fullhuman/postcss-purgecss')({
+    content: ['./hugo_stats.json'],
+    defaultExtractor: (content) => {
+        let els = JSON.parse(content).htmlElements;
+        return els.tags.concat(els.classes, els.ids);
+    }
+});
+
+module.exports = {
+    plugins: [
+        purgecss
+    ]
+}