Extend entity url with absolute option

src/Plugin/GraphQL/DataProducer/Entity/EntityUrl.php

@@ -18,6 +18,16 @@
  *   consumes = {
  *     "entity" = @ContextDefinition("entity",
  *       label = @Translation("Entity")
+ *     ),
+ *     "rel" = @ContextDefinition("any",
+ *       label = @Translation("Relationship type"),
+ *       description = @Translation("The relationship type, e.g. canonical"),
+ *       required = FALSE
+ *     ),
+ *     "options" = @ContextDefinition("any",
+ *       label = @Translation("URL Options"),
+ *       description = @Translation("Options to pass to the toUrl call"),
+ *       required = FALSE
  *     )
  *   }
  * )
@@ -28,13 +38,18 @@ class EntityUrl extends DataProducerPluginBase {
    * Resolver.
    *
    * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity to create a canonical URL for.
+   * @param string|null $rel
+   *   The link relationship type, for example: canonical or edit-form.
+   * @param array|null $options
+   *   The options to provided to the URL generator.
    *
    * @return \Drupal\Core\Url
    *
    * @throws \Drupal\Core\Entity\EntityMalformedException
    */
-  public function resolve(EntityInterface $entity) {
-    return $entity->toUrl();
+  public function resolve(EntityInterface $entity, ?string $rel, ?array $options) {
+    return $entity->toUrl($rel ?? 'canonical', $options ?? []);
   }
 
 }

tests/src/Kernel/DataProducer/EntityTest.php

@@ -286,6 +286,26 @@ public function testResolveUrl(): void {
     ]));
   }
 
+  /**
+   * @covers \Drupal\graphql\Plugin\GraphQL\DataProducer\Entity\EntityUrl::resolve
+   */
+  public function testResolveAbsoluteUrl(): void {
+    $url = $this->getMockBuilder(Url::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+
+    $this->entity->expects($this->once())
+      ->method('toUrl')
+      ->with('canonical', ['absolute' => TRUE])
+      ->willReturn($url);
+
+    $this->assertEquals($url, $this->executeDataProducer('entity_url', [
+      'entity' => $this->entity,
+      'rel' => 'canonical',
+      'options' => ['absolute' => TRUE],
+    ]));
+  }
+
   /**
    * @covers \Drupal\graphql\Plugin\GraphQL\DataProducer\Entity\EntityUuid::resolve
    */