Add breaks configurable

psalm.xml

@@ -31,6 +31,7 @@
                  <referencedMethod name="Erusev\Parsedown\Configurables\BlockTypes::settingMarked" />
                  <referencedMethod name="Erusev\Parsedown\Configurables\BlockTypes::settingUnmarked" />
                  <referencedMethod name="Erusev\Parsedown\Configurables\BlockTypes::removing" />
+                 <referencedMethod name="Erusev\Parsedown\Configurables\Breaks::enabled" />
             </errorLevel>
         </PossiblyUnusedMethod>
     </issueHandlers>

src/Components/Inlines/SoftBreak.php

@@ -2,8 +2,12 @@
 
 namespace Erusev\Parsedown\Components\Inlines;
 
+use Erusev\Parsedown\AST\Handler;
 use Erusev\Parsedown\AST\StateRenderable;
 use Erusev\Parsedown\Components\Inline;
+use Erusev\Parsedown\Configurables\Breaks;
+use Erusev\Parsedown\Html\Renderables\Container;
+use Erusev\Parsedown\Html\Renderables\Element;
 use Erusev\Parsedown\Html\Renderables\Text;
 use Erusev\Parsedown\Parsedown;
 use Erusev\Parsedown\Parsing\Excerpt;
@@ -59,11 +63,23 @@ final class SoftBreak implements Inline
     }
 
     /**
-     * @return Text
+     * @return Handler<Text|Container>
      */
     public function stateRenderable(Parsedown $_)
     {
-        return new Text("\n");
+        return new Handler(
+            /** @return Text|Container */
+            function (State $State) {
+                if ($State->get(Breaks::class)->isEnabled()) {
+                    return new Container([
+                        Element::selfClosing('br', []),
+                        new Text("\n")
+                    ]);
+                }
+
+                return new Text("\n");
+            }
+        );
     }
 
     /**

src/Configurables/Breaks.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Erusev\Parsedown\Configurables;
+
+use Erusev\Parsedown\Configurable;
+
+final class Breaks implements Configurable
+{
+    use BooleanConfigurable;
+}

tests/ParsedownTest.php

@@ -2,6 +2,7 @@
 
 namespace Erusev\Parsedown\Tests;
 
+use Erusev\Parsedown\Configurables\Breaks;
 use Erusev\Parsedown\Configurables\SafeMode;
 use Erusev\Parsedown\Configurables\StrictMode;
 use Erusev\Parsedown\Parsedown;
@@ -47,6 +48,7 @@ class ParsedownTest extends TestCase
         $Parsedown = new Parsedown(new State([
             new SafeMode(\substr($test, 0, 3) === 'xss'),
             new StrictMode(\substr($test, 0, 6) === 'strict'),
+            new Breaks(\substr($test, 0, 14) === 'breaks_enabled'),
         ]));
 
         $actualMarkup = $Parsedown->text($markdown);

tests/data/breaks_enabled.html

@@ -0,0 +1,2 @@
+<p>line<br />
+anotherline</p>

tests/data/breaks_enabled.md

@@ -0,0 +1,2 @@
+line
+anotherline