URL field

src/Fields/URL.php

@@ -3,9 +3,17 @@
 namespace Cone\Root\Fields;
 
 use Closure;
+use Cone\Root\Root;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Http\Request;
 
 class URL extends Text
 {
+    /**
+     * The text resolver callback.
+     */
+    protected Closure $textResolver;
+
     /**
      * Create a new field instance.
      */
@@ -14,5 +22,59 @@ public function __construct(string $label, Closure|string $modelAttribute = null
         parent::__construct($label, $modelAttribute);
 
         $this->type('url');
+
+        $this->textResolver = fn (): string => 'URL';
+    }
+
+    /**
+     * Set the text resolver callback.
+     */
+    public function text(Closure|string $value): static
+    {
+        if (is_string($value)) {
+            $value = fn (): string => $value;
+        }
+
+        $this->textResolver = $value;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolveFormat(Request $request, Model $model): mixed
+    {
+        if (is_null($this->formatResolver)) {
+            $this->formatResolver = function (Request $request, Model $model, mixed $value): ?string {
+                if (is_null($value)) {
+                    return $value;
+                }
+
+                return sprintf(
+                    '<a href="%s"%s>%s</a>',
+                    $value,
+                    $this->isExternal($value) ? ' data-turbo="false" target="_blank"' : '',
+                    call_user_func_array($this->textResolver, [$model])
+                );
+            };
+        }
+
+        return parent::resolveFormat($request, $model);
+    }
+
+    /**
+     * Determine if the given URL is external.
+     */
+    protected function isExternal(string $value): bool
+    {
+        $root = Root::instance();
+
+        [$domain, $path] = [$root->getDomain(), $root->getPath()];
+
+        $url = parse_url($value);
+
+        return $domain !== ($url['host'] ?? null)
+            || ! str_starts_with(ltrim($url['path'], '/'), ltrim($path, '/'));
     }
 }