Implemented custom asset versioning to make creating releases easier

app/helpers.php

@@ -0,0 +1,30 @@
+<?php
+
+if (! function_exists('versioned_asset')) {
+    /**
+     * Get the path to a versioned file.
+     *
+     * @param  string  $file
+     * @return string
+     *
+     * @throws \InvalidArgumentException
+     */
+    function versioned_asset($file)
+    {
+        static $manifest = null;
+
+        if (is_null($manifest)) {
+            $manifest = json_decode(file_get_contents(public_path('build/manifest.json')), true);
+        }
+
+        if (isset($manifest[$file])) {
+            return '/' . $manifest[$file];
+        }
+
+        if (file_exists(public_path($file))) {
+            return '/' . $file;
+        }
+
+        throw new InvalidArgumentException("File {$file} not defined in asset manifest.");
+    }
+}