Added wrapping of Wordpress core nodes

gumbo-millennium/lib/jsx/helpers/core-wrapper.jsx

@@ -0,0 +1,21 @@
+/**
+ * Wraps all core elements in a container
+ *
+ * @author Roelof Roos <[email protected]>
+ * @license MPL-2.0
+ */
+
+const { addFilter } = wp.hooks
+const coreRegex = /^core(-embed)?\//i
+
+export default function overrideCoreBlocks () {
+  addFilter('blocks.getSaveElement', 'gumbo/wrap-core-modules', (element, {name}) => {
+    if (!coreRegex.test(name)) {
+      return element
+    }
+
+    return <div className="container gumbo-normal-content">
+      {element}
+    </div>
+  })
+}

gumbo-millennium/lib/jsx/main.jsx

@@ -6,6 +6,7 @@
  */
 
 // Import objects
+import overrideCoreBlocks from './helpers/core-wrapper'
 import filterBlocks from './whitelist'
 import registerBlocks from './blocks'
 
@@ -16,6 +17,9 @@ import registerBlocks from './blocks'
 // Filter blocks
 filterBlocks()
 
+// Wrap core blocks in .container
+overrideCoreBlocks()
+
 /*
   BLOCK REGISTRATION
 */