Alter PurgeCSS configuration, build command

netlify.toml

@@ -1,10 +1,9 @@
 [build]
 command = """
 composer test && \
-  composer build && \
   npm run lint --fix-dry-run && \
   npm run production && \
-  cp -R source/build output_prod
+  composer production
 """
 publish = "output_prod"
 environment = { PHP_VERSION = "7.2" }

webpack.mix.js

@@ -20,8 +20,8 @@ mix.browserSync({
 })
 
 mix.purgeCss({
-  extensions: ['html', 'twig', 'vue'],
-  folders: ['assets/js', 'output_*'],
+  extensions: ['html', 'md', 'twig', 'vue'],
+  folders: ['assets/js', 'source'],
   whitelistPatterns: [],
   whitelistPatternsChildren: []
 })