Add Blade::component method for component aliases

src/Illuminate/View/Compilers/BladeCompiler.php

@@ -424,6 +424,30 @@ public function check($name, ...$parameters)
         return call_user_func($this->conditions[$name], ...$parameters);
     }
 
+    /**
+     * Register a component alias.
+     *
+     * @param  string  $path
+     * @param  string  $alias
+     * @return void
+     */
+    public function component($path, $alias = null)
+    {
+        $alias = $alias ?: array_last(explode('.', $path));
+
+        $this->directive($alias, function ($expression) use ($path) {
+            if ($expression) {
+                return "<?php \$__env->startComponent('{$path}', {$expression}); ?>";
+            } else {
+                return "<?php \$__env->startComponent('{$path}'); ?>";
+            }
+        });
+
+        $this->directive('end'.$alias, function ($expression) use ($path) {
+            return '<?php echo $__env->renderComponent(); ?>';
+        });
+    }
+
     /**
      * Register a handler for custom directives.
      *

tests/View/Blade/BladeCustomTest.php

@@ -90,4 +90,37 @@ public function testCustomIfElseConditions()
 <?php endif; ?>';
         $this->assertEquals($expected, $this->compiler->compileString($string));
     }
+
+    public function testCustomComponents()
+    {
+        $this->compiler->component('app.components.alert', 'alert');
+
+        $string = '@alert
+@endalert';
+        $expected = '<?php $__env->startComponent(\'app.components.alert\'); ?>
+<?php echo $__env->renderComponent(); ?>';
+        $this->assertEquals($expected, $this->compiler->compileString($string));
+    }
+
+    public function testCustomComponentsWithSlots()
+    {
+        $this->compiler->component('app.components.alert', 'alert');
+
+        $string = '@alert([\'type\' => \'danger\'])
+@endalert';
+        $expected = '<?php $__env->startComponent(\'app.components.alert\', [\'type\' => \'danger\']); ?>
+<?php echo $__env->renderComponent(); ?>';
+        $this->assertEquals($expected, $this->compiler->compileString($string));
+    }
+
+    public function testCustomComponentsDefaultAlias()
+    {
+        $this->compiler->component('app.components.alert');
+
+        $string = '@alert
+@endalert';
+        $expected = '<?php $__env->startComponent(\'app.components.alert\'); ?>
+<?php echo $__env->renderComponent(); ?>';
+        $this->assertEquals($expected, $this->compiler->compileString($string));
+    }
 }