Create basic block

[MAILPOET-1798]

lib/Config/PostEditorBlock.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace MailPoet\Config;
+
+use MailPoet\WP\Functions as WPFunctions;
+
+class PostEditorBlock {
+  /** @var Renderer */
+  private $renderer;
+
+  /** @var WPFunctions */
+  private $wp;
+
+  public function __construct(Renderer $renderer, WPFunctions $wp) {
+    $this->renderer = $renderer;
+    $this->wp = $wp;
+  }
+
+  public function init() {
+    // this has to be here until we drop support for WordPress < 5.0
+    if (!function_exists('register_block_type')) return;
+
+    $this->wp->wpEnqueueScript(
+      'mailpoet-block-form-block-js',
+      Env::$assetsUrl . '/dist/js/' . $this->renderer->getJsAsset('post_editor_block.js'),
+      ['wp-blocks'],
+      Env::$version,
+      true
+    );
+
+    $this->wp->wpEnqueueStyle(
+      'mailpoetblock-form-block-css',
+      Env::$assetsUrl . '/dist/css/' . $this->renderer->getCssAsset('post-editor-block.css'),
+      ['wp-edit-blocks'],
+      Env::$version
+    );
+
+    register_block_type( 'mailpoet/form-block', [
+      'style' => 'mailpoetblock-form-block-css',
+      'editor_script' => 'mailpoet/form-block',
+    ]);
+  }
+
+}