Update README

Author: pbories

README.md

@@ -204,7 +204,7 @@ class ScriptNonceSubscriber implements EventSubscriberInterface
 ### stimulus_controller
 
 This bundle also ships with a special `stimulus_controller()` Twig function
-that can be used to render [Stimulus Controllers & Values](https://stimulus.hotwired.dev/reference/values)
+that can be used to render [Stimulus Controllers & Values](https://stimulus.hotwired.dev/reference/values), [Outlets](https://stimulus.hotwired.dev/reference/outlets)
 and [CSS Classes](https://stimulus.hotwired.dev/reference/css-classes).
 See [stimulus-bridge](https://github.com/symfony/stimulus-bridge) for more details.
 
@@ -260,6 +260,17 @@ If you have multiple controllers on the same element, you can chain them as ther
 </div>
 ```
 
+If you need to attach an outlet to some controller, you can call the addOutlet() method.
+
+For example:
+
+```twig
+<div {{ stimulus_controller('foo').addOutlet('bar', '.bar') }}>Hello</div>
+
+<!-- would render -->
+<div data-controller="foo" data-foo-bar-outlet=".bar">Hello</div>
+```
+
 You can also retrieve the generated attributes as an array, which can be helpful e.g. for forms:
 
 ```twig

src/Dto/StimulusControllersDto.php

@@ -51,7 +51,7 @@ public function addOutlet(string $outletName, string $selector)
 
         $this->outlets['data-'.$this->controllers[0].'-'.$outletName.'-outlet'] = $selector;
 
-        return new Markup($this, 'UTF-8');
+        return $this;
     }
 
     public function __toString(): string
@@ -61,15 +61,15 @@ public function __toString(): string
         }
 
         return rtrim(
-            'data-controller="'.implode(' ', $this->controllers).'" '.
+            'data-controller='.implode(' ', $this->controllers).
             implode(' ', array_map(function (string $attribute, string $value): string {
                 return $attribute.'="'.$this->escapeAsHtmlAttr($value).'"';
             }, array_keys($this->values), $this->values)).' '.
             implode(' ', array_map(function (string $attribute, string $value): string {
                 return $attribute.'="'.$this->escapeAsHtmlAttr($value).'"';
             }, array_keys($this->classes), $this->classes)).' '.
             implode(' ', array_map(function (string $attribute, string $value): string {
-                return $attribute.'="'.$this->escapeAsHtmlAttr($value).'"';
+                return $attribute.'='.$this->escapeAsHtmlAttr($value);
             }, array_keys($this->outlets), $this->outlets))
         );
     }