[9.x] Short attribute syntax for Self Closing Blade Components (#44413)

* Short attribute syntax for Self Closing Blade Components

* Fix test

src/Illuminate/View/Compilers/ComponentTagCompiler.php

@@ -180,6 +180,10 @@ protected function compileSelfClosingTags(string $value)
                                 \{\{\s*\\\$attributes(?:[^}]+?)?\s*\}\}
                             )
                             |
+                            (?:
+                                (\:\\\$)(\w+)
+                            )
+                            |
                             (?:
                                 [\w\-:.@]+
                                 (

tests/View/Blade/BladeComponentTagCompilerTest.php

@@ -148,6 +148,18 @@ public function testColonDataShortSyntax()
 <?php \$component->withAttributes([]); ?> @endComponentClass##END-COMPONENT-CLASS##", trim($result));
     }
 
+    public function testSelfClosingComponentWithColonDataShortSyntax()
+    {
+        $result = $this->compiler(['profile' => TestProfileComponent::class])->compileTags('<x-profile :$userId/>');
+
+        $this->assertSame("##BEGIN-COMPONENT-CLASS##@component('Illuminate\Tests\View\Blade\TestProfileComponent', 'profile', ['userId' => \$userId])
+<?php if (isset(\$attributes) && \$constructor = (new ReflectionClass(Illuminate\Tests\View\Blade\TestProfileComponent::class))->getConstructor()): ?>
+<?php \$attributes = \$attributes->except(collect(\$constructor->getParameters())->map->getName()->all()); ?>
+<?php endif; ?>
+<?php \$component->withAttributes([]); ?>\n".
+'@endComponentClass##END-COMPONENT-CLASS##', trim($result));
+    }
+
     public function testEscapedColonAttribute()
     {
         $result = $this->compiler(['profile' => TestProfileComponent::class])->compileTags('<x-profile :user-id="1" ::title="user.name"></x-profile>');