Merge pull request #25 from taphill/yarn_upgrades

Update postcss config

Author: taphill

app/javascript/stylesheets/tailwind.config.js

@@ -1,8 +1,5 @@
 module.exports = {
-  purge: [
-    '.app/**/*.html.erb',
-    '.app/helper/*.rb',
-  ],
+  purge: [],
   darkMode: false, // or 'media' or 'class'
   theme: {
     extend: {},

postcss.config.js

@@ -1,13 +1,28 @@
-module.exports = {
+let environment = {
   plugins: [
     require('tailwindcss')("./app/javascript/stylesheets/tailwind.config.js"),
+    require('autoprefixer'),
     require('postcss-import'),
     require('postcss-flexbugs-fixes'),
     require('postcss-preset-env')({
       autoprefixer: {
         flexbox: 'no-2009'
       },
       stage: 3
-    })
+    }),
   ]
 }
+
+if (process.env.RAILS_ENV === "production") {
+  environment.plugins.push(
+    require('@fullhuman/postcss-purgecss')({
+      content: ['./app/**/*.html.erb', '.app/helper/*.rb'],
+      safelist: {
+        greedy: [/input|prose$/],
+      },
+      defaultExtractor: content => content.match(/[A-Za-z0-9-_:/]+/g) || []
+    })
+  )
+}
+
+module.exports = environment