add nova

nova/src/Console/Concerns/AcceptsNameAndVendor.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Laravel\Nova\Console\Concerns;
+
+use Illuminate\Support\Str;
+
+trait AcceptsNameAndVendor
+{
+    /**
+     * Determine if the name argument is valid.
+     *
+     * @return bool
+     */
+    public function hasValidNameArgument()
+    {
+        $name = $this->argument('name');
+
+        if (! Str::contains($name, '/')) {
+            $this->error("The name argument expects a vendor and name in 'Composer' format. Here's an example: `vendor/name`.");
+
+            return false;
+        }
+
+        return true;
+    }
+}