Use Laravel Mix

webpack.mix.js

@@ -0,0 +1,27 @@
+let mix = require('laravel-mix')
+
+require('laravel-mix-purgecss')
+
+mix.disableNotifications()
+  .postCss('assets/css/tailwind.css', 'source/build/app.css', [
+    require('postcss-import'),
+    require('tailwindcss'),
+    require('postcss-nested'),
+    require('autoprefixer')
+  ])
+  .js('assets/js/app.js', 'source/build')
+
+mix.browserSync({
+  proxy: 'localhost:8000',
+  files: [
+    'output_*/**/*'
+  ],
+  notify: false
+})
+
+mix.purgeCss({
+  extensions: ['html', 'twig', 'vue'],
+  folders: ['assets/js', 'output_*'],
+  whitelistPatterns: [],
+  whitelistPatternsChildren: []
+})