Add FLOC to default directives and set its rule to none.

src/Directive.php

@@ -35,6 +35,7 @@ abstract class Directive implements DirectiveContract
     final public const ENCRYPTED_MEDIA = 'encrypted-media';
     final public const EXECUTION_WHILE_NOT_RENDERED = 'execution-while-not-rendered';
     final public const EXECUTION_WHILE_OUT_OF_VIEWPORT = 'execution-while-out-of-viewport';
+    final public const FLOC = 'interest-cohort';
     final public const FULLSCREEN = 'fullscreen';
     final public const GEOLOCATION = 'geolocation';
     final public const GYROSCOPE = 'gyroscope';

src/FeatureGroups/DefaultFeatureGroup.php

@@ -6,6 +6,7 @@
 
 use Mazedlx\FeaturePolicy\Directive;
 use Mazedlx\FeaturePolicy\Exceptions\UnsupportedPermissionException;
+use Mazedlx\FeaturePolicy\Value;
 
 final class DefaultFeatureGroup implements FeatureGroupContract
 {
@@ -604,6 +605,32 @@ public function note(): string
                     return 'To enable these, use the Chrome command line flag --enable-blink-features=ExperimentalProductivityFeatures.';
                 }
             },
+            Directive::FLOC => (new class extends Directive {
+                public function name(): string
+                {
+                    return Directive::FLOC;
+                }
+
+                public function specificationName(): string
+                {
+                    return 'Federated Learning of Cohorts';
+                }
+
+                public function specificationUrl(): string
+                {
+                    return 'https://github.com/WICG/floc';
+                }
+
+                public function browserSupport(): string
+                {
+                    return 'Chrome 90';
+                }
+
+                public function browserSupportUrl(): string
+                {
+                    return '';
+                }
+            })->addRule(Value::NONE),
             Directive::FULLSCREEN => new class extends Directive {
                 public function name(): string
                 {

tests/DirectiveTest.php

@@ -43,4 +43,13 @@ public function xr_spatial_tracking_adds_the_correct_header_directive_instead_of
         $directive = Directive::make(Directive::XR_SPATIAL_TRACKING);
         $this->assertSame(Directive::XR_SPATIAL_TRACKING, $directive->name());
     }
+
+    #[Test]
+    public function floc_is_disabled_by_default()
+    {
+        $directive = Directive::make(Directive::FLOC);
+        $this->assertNotEmpty($directive->rules());
+        $this->assertCount(1, $directive->rules());
+        $this->assertSame(Value::NONE, $directive->rules()[0]);
+    }
 }