add hx-reselect header support

Author: michalsn

docs/configuration.md

@@ -12,9 +12,9 @@ We will get our copy ready for modifications.
 
 Available options:
 
-- [$toolbarDecorator](#$toolbarDecorator)
-- [$errorModalDecorator](#$errorModalDecorator)
-- [$skipViewDecoratorsString](#$skipViewDecoratorsString)
+- [$toolbarDecorator](#toolbarDecorator)
+- [$errorModalDecorator](#errorModalDecorator)
+- [$skipViewDecoratorsString](#skipViewDecoratorsString)
 
 ### $toolbarDecorator
 

docs/response.md

@@ -6,6 +6,7 @@ Available methods:
 - [setReplaceUrl()](#setreplaceurl)
 - [setReswap()](#setreswap)
 - [setRetarget()](#setretarget)
+- [setReselect()](#setreselect)
 - [triggerClientEvent()](#triggerclientevent)
 
 ### setPushUrl()
@@ -40,6 +41,14 @@ Sets the value in `HX-Retarget` header. A CSS selector that updates the target o
 $this->response->setRetarget('#another-div');
 ```
 
+### setReselect()
+
+Sets the value in `HX-Reselect` header. A CSS selector that allows you to choose which part of the response is used to be swapped in. Overrides an existing [hx-select](https://htmx.org/attributes/hx-select/) on the triggering element.
+
+```php
+$this->response->setReselect('#another-div');
+```
+
 ### triggerClientEvent()
 
 Allows you to set the headers: `HX-Trigger`, `HX-Trigger-After-Settle` or `HX-Trigger-After-Swap`.

src/HTTP/Response.php

@@ -60,6 +60,19 @@ public function setRetarget(string $selector): Response
         return $this;
     }
 
+    /**
+     * A CSS selector that allows you to choose which part
+     * of the response is used to be swapped in.
+     *
+     * @return Response;
+     */
+    public function setReselect(string $selector): Response
+    {
+        $this->setHeader('HX-Reselect', $selector);
+
+        return $this;
+    }
+
     /**
      * Allows you to trigger client side events.
      *

tests/HTTP/ResponseTest.php

@@ -77,6 +77,13 @@ public function testSetRetarget(): void
         $this->assertSame('#element', $this->response->getHeaderLine('HX-Retarget'));
     }
 
+    public function testSetReselect(): void
+    {
+        $this->response->setReselect('#element');
+
+        $this->assertSame('#element', $this->response->getHeaderLine('HX-Reselect'));
+    }
+
     public function testTriggerClientEvent(): void
     {
         $this->response->triggerClientEvent('showMessage');