feat(directives): add fields directive

src/flextype/core/Entries/Directives/FieldsDirective.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+ /**
+ * Flextype - Hybrid Content Management System with the freedom of a headless CMS 
+ * and with the full functionality of a traditional CMS!
+ * 
+ * Copyright (c) Sergey Romanenko (https://awilum.github.io)
+ *
+ * Licensed under The MIT License.
+ *
+ * For full copyright and license information, please see the LICENSE
+ * Redistributions of files must retain the above copyright notice.
+ */
+
+use Glowy\Arrays\Arrays as Collection;
+
+emitter()->addListener('onEntriesFetchSingleDirectives', static function (): void {
+
+    if (! registry()->get('flextype.settings.entries.directives.fields.enabled')) {
+        return;
+    }
+    
+    $field = entries()->registry()->get('methods.fetch.field');
+    $entry = entries()->registry()->get('methods.fetch.result');
+
+    if (is_string($field)) {
+        $field = preg_replace_callback('/@field\((.*?)\)/', function($matches) use ($entry) {
+            return $entry[$matches[1]] ?? '';
+        }, $field);
+    }
+
+    entries()->registry()->set('methods.fetch.field', $field);
+});

src/flextype/settings.yaml

@@ -90,6 +90,9 @@ entries:
     constants:
       enabled: true
       path: "/src/flextype/core/Entries/Directives/ConstantsDirective.php"
+    fields:
+      enabled: true
+      path: "/src/flextype/core/Entries/Directives/FieldsDirective.php"
   macros:
     debug: false
     php:

tests/fixtures/settings/settings.yaml

@@ -86,6 +86,9 @@ entries:
     constants:
       enabled: true
       path: "/src/flextype/core/Entries/Directives/ConstantsDirective.php"
+    fields:
+      enabled: true
+      path: "/src/flextype/core/Entries/Directives/FieldsDirective.php"
   macros:
     debug: false
     php:

tests/src/flextype/core/Entries/Directives/FieldsDirectiveTest.php

@@ -0,0 +1,16 @@
+<?php
+
+use Flextype\Component\Filesystem\Filesystem;
+
+beforeEach(function() {
+    filesystem()->directory(PATH['project'] . '/entries')->create();
+});
+
+afterEach(function (): void {
+    filesystem()->directory(PATH['project'] . '/entries')->delete();
+});
+
+test('fields directive', function () {
+    entries()->create('field', ['foo' => '@field(id)']);
+    $this->assertEquals('field', entries()->fetch('field')['foo']);
+});