Load editor asynchronously

src/scenes/DocumentEdit/components/Editor.js

@@ -0,0 +1,37 @@
+import React from 'react';
+import { observer } from 'mobx-react';
+
+import MarkdownEditor from 'components/MarkdownEditor';
+import Preview from './Preview';
+import EditorPane from './EditorPane';
+
+import styles from '../DocumentEdit.scss';
+
+const Editor = observer((props) => {
+  const store = props.store;
+
+  return (
+    <div className={ styles.container }>
+      <EditorPane
+        fullWidth={ !store.preview }
+        onScroll={ props.onScroll }
+      >
+        <MarkdownEditor
+          onChange={ store.updateText }
+          text={ store.text }
+          replaceText={ store.replaceText }
+          preview={ store.preview }
+        />
+      </EditorPane>
+      { store.preview ? (
+        <EditorPane
+          scrollTop={ props.scrollTop }
+        >
+          <Preview html={ store.htmlPreview } />
+        </EditorPane>
+      ) : null }
+    </div>
+  );
+});
+
+export default Editor;