Add an empty paragraph renderer

[MAILPOET-2614]

lib/DI/ContainerConfigurator.php

@@ -185,6 +185,7 @@ class ContainerConfigurator implements IContainerConfigurator {
     $container->autowire(\MailPoet\Form\Block\Divider::class);
     $container->autowire(\MailPoet\Form\Block\Html::class);
     $container->autowire(\MailPoet\Form\Block\Heading::class);
+    $container->autowire(\MailPoet\Form\Block\Paragraph::class);
     $container->autowire(\MailPoet\Form\Block\Radio::class);
     $container->autowire(\MailPoet\Form\Block\Segment::class);
     $container->autowire(\MailPoet\Form\Block\Select::class);

lib/Form/Block/Paragraph.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace MailPoet\Form\Block;
+
+class Paragraph {
+  public function render(array $block): string {
+    return '';
+  }
+}

lib/Form/BlocksRenderer.php

@@ -9,6 +9,7 @@ use MailPoet\Form\Block\Date;
 use MailPoet\Form\Block\Divider;
 use MailPoet\Form\Block\Heading;
 use MailPoet\Form\Block\Html;
+use MailPoet\Form\Block\Paragraph;
 use MailPoet\Form\Block\Radio;
 use MailPoet\Form\Block\Segment;
 use MailPoet\Form\Block\Select;
@@ -56,6 +57,9 @@ class BlocksRenderer {
   /** @var Heading */
   private $heading;
 
+  /** @var Paragraph */
+  private $paragraph;
+
   public function __construct(
     Checkbox $checkbox,
     Column $column,
@@ -64,6 +68,7 @@ class BlocksRenderer {
     Divider $divider,
     Html $html,
     Heading $heading,
+    Paragraph $paragraph,
     Radio $radio,
     Segment $segment,
     Select $select,
@@ -84,6 +89,7 @@ class BlocksRenderer {
     $this->text = $text;
     $this->textarea = $textarea;
     $this->heading = $heading;
+    $this->paragraph = $paragraph;
   }
 
   public function renderBlock(array $block = [], array $formSettings): string {
@@ -97,6 +103,10 @@ class BlocksRenderer {
         $html .= $this->heading->render($block);
         break;
 
+      case 'paragraph':
+        $html .= $this->paragraph->render($block);
+        break;
+
       case 'divider':
         $html .= $this->divider->render($block);
         break;