Removed some old front-end md rendering elements

Also ensured revisions were not created more often than expected.
Summary field null check was triggering revision save even when empty
since it was still in request.

Related to #1846

app/Entities/Repos/PageRepo.php

@@ -190,11 +190,11 @@ class PageRepo
         $this->getUserDraftQuery($page)->delete();
 
         // Save a revision after updating
-        $summary = $input['summary'] ?? null;
+        $summary = trim($input['summary'] ?? "");
         $htmlChanged = isset($input['html']) && $input['html'] !== $oldHtml;
         $nameChanged = isset($input['name']) && $input['name'] !== $oldName;
         $markdownChanged = isset($input['markdown']) && $input['markdown'] !== $oldMarkdown;
-        if ($htmlChanged || $nameChanged || $markdownChanged || $summary !== null) {
+        if ($htmlChanged || $nameChanged || $markdownChanged || $summary) {
             $this->savePageRevision($page, $summary);
         }
 

resources/js/components/markdown-editor.js

@@ -22,7 +22,6 @@ class MarkdownEditor {
 
         this.displayStylesLoaded = false;
         this.input = this.elem.querySelector('textarea');
-        this.htmlInput = this.elem.querySelector('input[name=html]');
         this.cm = code.markdownEditor(this.input);
 
         this.onMarkdownScroll = this.onMarkdownScroll.bind(this);
@@ -125,7 +124,6 @@ class MarkdownEditor {
         // Set body content
         this.displayDoc.body.className = 'page-content';
         this.displayDoc.body.innerHTML = html;
-        this.htmlInput.value = html;
 
         // Copy styles from page head and set custom styles for editor
         this.loadStylesIntoDisplay();

resources/views/pages/markdown-editor.blade.php

@@ -35,8 +35,6 @@
         </div>
         <iframe src="about:blank" class="markdown-display" sandbox="allow-same-origin"></iframe>
     </div>
-    <input type="hidden" name="html"/>
-
 </div>